Find the circumference of a circle with diameter, d = 1.26m.
Give your answer rounded to 2 DP

Answers

Answer 1

Answer: b

Step-by-step explanation: just took it on edge.


Related Questions

The Law of Sines says that for a given triangle, _____.the sine values of all three internal angles will be the samethe sine values of all three internal angles will be proportional to each otherthe ratio between the sine of the angle and the opposite side will match for all three internal anglesthe sine values of all three angles will be different

Answers

The Law of Sines says that for a given triangle, the ratio between the sine of an angle and the length of the opposite side is the same for all three angles in a triangle. the sine values of all three internal angles will be the samethe sine values of all three internal angles will be proportional to each otherthe ratio between the sine of the angle and the opposite side will match for all three internal anglesthe sine values of all three angles will be different

In a triangle, we have three angles and three sides. The Law of Sines says that for any triangle, the ratio between the sine of an angle and the length of the opposite side will be the same for all three angles. In other words, the sine values of each angle are proportional to the length of the opposite side.

To put this in mathematical terms, let's consider a triangle with angles A, B, and C, and sides a, b, and c respectively. The Law of Sines can be written as:

sin(A)/a = sin(B)/b = sin(C)/c

This means that if we know the length of any two sides and the measure of the angle opposite one of those sides, we can use the Law of Sines to find the measure of the other angles and sides.

To know more about law of sine here

https://brainly.com/question/17289163

#SPJ4

serena leans a 24-foot ladder against a 22.8-foot-tall building to climb on the roof.

Answers

Serena leans a 24-foot ladder against a 22.8-foot-tall building to climb on the roof is 71.8 degree.

Measurement of Angle:

The measurement of angles is done using basic geometric tools such as protractors and compasses. This tool helps to find precise measurements of angles. A protractor helps provide accurate measurements of angles, while compasses help construct angles. Angles are measured in three ways: degrees, radians, and revolutions.

According to the Question:

Suppose the measure of angle is θ, then we have

   Sinθ = 22.8/24

⇒ Sinθ = 0.95

Therefore,

θ = Sin⁻¹ (0.95)

  = 71.8 degree.

Therefore, Serena leans a 24-foot ladder against a 22.8-foot-tall building to climb on the roof is 71.8 degree.

Learn more about Degree:

https://brainly.com/question/364572

#SPJ4

1) Scott and Tom rent a boat at Stow Lake. They start at 10:15 and end at 11:45. The boat
rental costs $1.50 for every 15 minutes. How much will they pay?

Answers

Answer:

$9

Step-by-step explanation:

We know

They start at 10:15 and end at 11:45. It is 1 hour 30 minutes long.

1 hour 30 minutes = 90 minutes

The boat rental costs $1.50 for every 15 minutes.

How much will they pay?

We Take

90 divided by 15, then time 1.50 = $9

So, they pay $9

Answer:

Scott and Tom will pay a total of $9 for the boat rental.

Step-by-step explanation:

If Scott and Tom rent the boat between 10:15 and 11:45, then the total time they rented the boat is 1 hour and 30 minutes.

To convert 1 hour and 30 minutes to units of 15 minutes, we can divide the total number of minutes by 15:

⇒ 1 hour = 60 minutes

⇒ 1 hour and 30 minutes = 60 + 30 = 90 minutes

⇒ 90 minutes / 15 minutes = 6

Therefore, there are 6 units of 15 minutes in 1 hour and 30 minutes.

Given the cost for renting the boat is $1.50 per 15-minute interval, the total cost for renting the boat is:

⇒ 6 × $1.50 = $9

Therefore, Scott and Tom will pay $9 for the boat rental.

If tan theta=5/6 and tan gamma=1/11 the show that (theta + gamma)=180/4​

Answers

(theta + gamma) = 45 degrees, which is equal to 180/4.

Property of right-angled triangle.

tangent of an angle is defined as the ratio of the opposite side to the adjacent side of a right-angled triangle.

Let's consider a right-angled triangle ABC, where angle B is 90 degrees, and angle A(theta ) and angle C(gamma) are the angles whose tangent values are given.

Using the given information, we can say that:

tan(A) = 5/6

tan(C) = 1/11

We can now use the following trigonometric identity:

tan(A + C) = (tan(A) + tan(C)) / (1 - tan(A) * tan(C))

Substituting the given values, we get:

tan(A + C) = (5/6 + 1/11) / (1 - 5/6 * 1/11)

tan(A + C) = (55/66 + 6/66) / (66/66 - 5/66)

tan(A + C) = 61/61 = 1

Now, we know that:

tan(180/4) = tan(45) = 1

Therefore, we can conclude that:

A + C = 180/4 = 45 degrees

Hence, we have shown that (theta + gamma) = 45 degrees, which is equal to 180/4.

To know more about tangent, visit:

https://brainly.com/question/19064965

#SPJ1

Complimentary Event The compliment of an event E is the set of outcomes in the sample space that are not included in the outcomes of event E. The complement of E is denoted E (read "E bar"). Rule for Complimentary Events P(E)=1-P(E) or P(E)=1-P(E) O P(E)+P(E)=1 Example # 12: The probability that Mary can work a problem is 70%. Find the probability that Mary cannot work the problem. Example # 13: In 2004, 57.2% of all enrolled college students were females. Choose one enrolled student at random. What is the probability that the student was a male?

Answers

The student is male, which is P(male).Using the rule of complementary events, P(male) = 1 - P(female)P(male) = 1 - 0.572 = 0.428Therefore, the probability that the student is male is 0.428 or 42.8%.

The complimentary event is a part of probability theory. It is the event that occurs when the event E does not occur. In other words, it is a set of outcomes in the sample space that are not included in the outcomes of event E. The notation for the complement of E is E'. Rule for Complimentary EventsThe rule for complementary events can be expressed in two ways:

P(E) = 1 - P(E)P(E) + P(E') = 1Example # 12:Let the probability that Mary can work a problem be P(E) = 0.70.We need to find the probability that Mary cannot work the problem, which is P(E').Using the rule of complementary events,P(E') = 1 - P(E)P(E') = 1 - 0.70 = 0.30Therefore, the probability that Mary cannot work the problem is 0.30 or 30%.Example # 13:Let P(female) be the probability that the student is female. We are given that P(female) = 0.572.

for such more questions on  probability

https://brainly.com/question/13604758

#SPJ11

given the resulting p-values, would you reject or fail to reject the null hypotheses (assuming a 0.05 significance level)? what does your decision mean in the context of this problem? would you proceed with changing the design of the arrow, or would you keep the original design?

Answers

In the context of this problem, if we reject the null hypothesis, we can conclude that the new design is more effective in terms of accuracy. If we fail to reject the null hypothesis, we can't conclude anything about the effectiveness of the new design

How do we interpret the results of the p.values?

When given the resulting p-values, we reject the null hypotheses (assuming a 0.05 significance level) if the p-value is less than 0.05. We fail to reject the null hypotheses if the p-value is greater than or equal to 0.05.If we reject the null hypothesis, it means that there is strong evidence against it, and we can say that the alternative hypothesis is supported by the data. If we fail to reject the null hypothesis, it means that there is insufficient evidence to reject it, and we can't say that the alternative hypothesis is supported by the data.

In the context of this problem, if we reject the null hypothesis, we can conclude that the new design is more effective in terms of accuracy. If we fail to reject the null hypothesis, we can't conclude anything about the effectiveness of the new design.In either case, whether we reject or fail to reject the null hypothesis, we wouldn't proceed with changing the design of the arrow based solely on the statistical analysis. We would need to consider other factors such as cost, feasibility, and practicality before making any decisions about changing the design.

See more about null hypotheses at: https://brainly.com/question/25263462

#SPJ11

During a​ session, a senate had a total of 98 Democrats and Republicans. There were 6 fewer Democrats than Republicans. How many members of each party were​ there?

There were _____ Republicans and _____ Democrats.

Answers

Answer: There were 52 Republicans and 46 Democrats.

Step-by-step explanation:

Let's represent the number of Republicans as "x" and the number of Democrats as "y".

From the problem, we know that:

x + y = 98 (since the total number of senators is 98)

y = x - 6 (since there were 6 fewer Democrats than Republicans)

We can substitute the second equation into the first equation to get:

x + (x-6) = 98

2x - 6 = 98

2x = 104

x = 52

Now that we know that there were 52 Republicans, we can substitute that into the second equation to find the number of Democrats:

y = x - 6

y = 52 - 6

y = 46

Therefore, there were 52 Republicans and 46 Democrats.

Answer:

There were 52 Republicans and 46 Democrats.

Step-by-step explanation:

Let's make a system of equations to represent this! D = democrats and R = republicans.

[tex]d + 6 = r[/tex]

[tex]r + d = 98[/tex]

Now let's set them both equal to d.

To do this for the first equation, subtract 6 from both sides to get:

[tex]d =r - 6[/tex]

To do this for the second equation, subtract r from both sides to get:

[tex]d = 98 - r[/tex]

Now, let's set them equal to eachother.

[tex]r - 6 = 98 - r[/tex]

Add r to both sides

[tex]2r -6 = 98[/tex]

Add 6 to both sides

[tex]2r = 104[/tex]

Divide both sides by two

[tex]r = 52[/tex]

There were 52 republicans. Now let's sub 52 in for r in one of the equations.

[tex]d + 6 = 52[/tex]

subtract six from both sides

[tex]d = 46[/tex]

There were 46 democrats.

Let me know if this helped by hitting thanks or brainliest! If not, please comment and I'll get back to you ASAP.

Harmonicas. When ordering a new box of harmoniens, let X denote the time until the box arrives, and let y denote the number of harmonicas that work properly. Is X a continuous or discrete random variable? Why? Is Y a continuous or discrete random variable? Why?

Answers

X is a discrete random variable and Y is a discrete random variable because they both measure countable values rather than continuous values.

X is a discrete random variable because the time until the box arrives is measured in discrete, countable intervals such as days, weeks, or months. Y is a discrete random variable because the number of harmonicas that work properly is a countable number, rather than a continuous, measured value.

For example, the box could arrive in one week, or it could arrive in one month. Therefore,[tex]X[/tex] is discrete. Similarly, Y is discrete because there will be a certain number of harmonicas that work properly, such as 12, 15, 20, etc. So, Y is also discrete.

for such more questions on random variable
https://brainly.com/question/17217746

#SPJ11

A right triangular prism is shown.

A right triangular prism is shown. The right triangles have sides with lengths 15 and 8. The hypotenuse has a length of 17. The height of the prism is 15.

What is the volume of the prism?

900 cubic units
1,020 cubic units
1,800 cubic units
2,312 cubic units

Answers

Therefore , the solution of the given problem of volume comes out to be the response is 900 cubic units.

What precisely is volume?

A three-dimensional object's volume, which is expressed in cubic units, indicates how much space it takes up. These symbols for cubic dimensions are liter and in3. However, understanding an object's volume is necessary to calculate its measurements. It is standard practice to convert the weight of an object into mass units like grams and kilograms.

Here,

The formula V = Bh, when B is the area of the bottom and h is the height of the prism, determines the volume of a right triangle prism.

The prism has an area of because its foundation is a right triangle with 8 and 15-foot-long legs.

=> B = (1/2)bh = (1/2)(8)(15) = 60

The prism's height is specified as 15 inches.

As a result, the prism's capacity is:

=>  900 cubic units are equal to V = Bh = 60(15).

Therefore, the response is 900 cubic units.

To know more about volume , visit:

https://brainly.com/question/13338592

#SPJ1

Answer:

900 cubic units

Step-by-step explanation:

I need help on this different problem !

Answers

Answer:

No solution

Step-by-step explanation:

They have the same slope, which makes them parallel to each other. The y-intercepts are different so they do not overlap. If they overlap, then you know they have either one or infinite solutions. They do not so the answer is no solution.

The 9 students in the Environmental Club represent 5% of the students in the seventh grade. How many students are in the seventh grade?

Answers

As a result, there are 180 students in the seventh grade.

What dοes the term grade mean?

A level οr prοgressiοn οn a scale, since abοut rank, success, excellence, wοrth, οr intensity: the highest grade οf paper. A stage οr phase in a cοurse and prοcess is a grοup οf peοple οr οbjects that have a same strength is relatively, quality, etc.

We can utilize percentage tο determine the tοtal quantity οf pupils in the class if 9 kids make up 5% οf a seventh-grade class. If we assume that there are x pupils inside the seventh grade οverall, we can calculate the prοpοrtiοn as fοllοws:

9 / x = 5 / 100

We may crοss-multiply and simplify tο find x's value:

9 × 100 = 5 × x

900 = 5x

x = 900 / 5

x = 180

In the seventh grade, there are 180 students.

To know more about grade visit:

brainly.com/question/29618342

#SPJ1

Regina is trying to figure out if AABC and ADEF are congruent. She already knows that AC is the same length as DF, and ZA is the same measure as ZD.
Jared tells her that if ZB and ZE are the same measure, she'll know the triangles are congruent.
Isaac tells her that if BC and EF are the same length, she'll know the triangles are congruent.
E
Who is correct?
A. Jared only
B. Isaac only
C. Both
D. Neither

Answers

The relationship between the sides and angles of the triangles indicates that the information provided by Jared, satisfies the Side-Angle-Angle, SAA congruence rule, therefore, Jared only is correct. The correct option is therefore;

A. Jares only

What are congruent triangles?

Congruent triangles are triangles that have both the same shape and size.

The specified information are;

Regina is trying to figure out if triangles ΔABC and ΔDEF are congruent

Regina knows that side AC is the same length as DF, therefore;

AC ≅ DF

∠A is the same measure as ∠D, therefore; m∠A = m∠D

The information Jared tells Regina is; If ∠B and ∠E are the same measure, Regina will know that the triangles are congruent.

The information Isaac tells here is; If BC and EF are the same length, she'll know that the triangles are congruent

In ΔABC and ΔDEF, AC ≅ DF, m∠A = m∠D

The relationship between the triangles if ∠B and ∠E are congruent therefore is; Side-Angle-Angle, SAA, which is a condition for congruence, therefore, Jared is correct

The relationship between the triangles if BC is congruent to EF is Side-Angle-Angle, SAA, which is not a condition for congruence, therefore, Isaac is not correct

Therefore, Jared only is correct. The correct option is option A.

Learn more on the relation between congruent triangles here: https://brainly.com/question/2273907

#SPJ1

Plssss help due today!!!

Answers

Answer:

235.6 cm²

Step-by-step explanation:

The formula to find the area of a sector is,

[tex]\sf A=\frac{\theta}{360}*\pi r^2[/tex]

Here,

Θ = angle

r = radius

Let us find it now.

[tex]\sf A=\frac{\theta}{360}*\pi r^2\\\\\sf A=\frac{270}{360}*\pi *10*10\\\\\sf A=\frac{270}{360}*\pi *100\\\\A = 235.61 cm^2[/tex]

Determine the area of the shaded regions in the figures below. Write the final polynomial in standard form

Answers

Answer:

for the tringle:

area=[tex]p^{2} -2p-3[/tex]

for the frame:

area=[tex]8x+28[/tex]

Step-by-step explanation:

For the tringle:-

Area=1/2bh

Area=1/2(2p-6)(p+1)

Area=1/2([tex]2p^{2} -4p-6[/tex])

Area=[tex]p^{2} -2p-3[/tex]

For the picture frame:-

part 1:the area of the big frame

Area=lw

Area=(x+7)(x+4)

Area=[tex]x^{2} +11x+28[/tex]

part 2:the area of the small frame

Area=lw

Area=(x+3)(x)

Area=[tex]x^{2} +3x[/tex]

To find the area of the shaded regions:

Area of shaded region=area of the big frame-the area of the small frame

Area of shaded region=[tex](x^{2} +11x+28)-(x^{2} +3x)[/tex]

Area of shaded region=[tex]8x+28[/tex]

Find an expression that is equivalent to (a - b) ^ 3

Answers

An expression equivalent to (a - b)³ is a³ - 3a²b + 3ab² - b³.

What other expressions are the same as 2 5?

The fractions 4/10, 6/15, 8/20, etc. are identical to 2/5. In the reduced form, equivalent fractions have the same value. Explanation: When writing equivalent fractions, the numerator and denominator should be multiplied or divided by the same number.

One way to expand (a - b)³ is to use the binomial formula:

(a - b)³ = C(3,0) * a³ * (-b)^0 + C(3,1) * a² * (-b) + C(3,2) * a * (-b)² + C(3,3) * a * (-b)³

where C(n,k) denotes the number of ways there are to select k objects from a set of n objects, and "n choose k" is the binomial coefficient.

Simplifying the above expression, we get:

(a-b)³ = a³-3a²b+3ab²-b³.

To know more about expression visit:-

https://brainly.com/question/14083225

#SPJ1

A-7
B-?
C-14
Pythagorean theorem

Answers

Answer:

b = 12.12 (or) 7 sqrt 3

Step-by-step explanation:

a^2 + b^2 = c^2

7^2 + b^2 = 14^2

49 + b^2 = 196

-49 -49

b^2 = 147

b = sqrt 147

decimal form:

b = 12.12

exact form:

b = 7 sqrt 3

Trevin puts 8 gallons of gas in his car and pays 22$. At this rate what is the cost of 9 gallons of gas

Answers

The cost of 9 gallons of gas is 24.75$

A unitary method is a mathematical technique for finding the value of a single unit and then multiplying it by any number of other units to derive the value of the provided units. Employing the unitary method, we can solve the above problem.

Given that,

The cost of 8 gallons of gas =  22$

The cost of 1 gallon of gas = 22 ÷ 8

                                            = 2.75$

Therefore, the cost of  9 gallons of gas = 2.75 × 9

                                                                 = 24.75$.

Hence, the cost of 9 gallons of gas is 24.75$.

To learn more about the unitary method, refer to:
https://brainly.com/question/28276953

#SPJ4

Rectangle wxzy was dilated using the rule d z12/5

Answers

The answer is 12units

Find the surface area of this triangular prism. Be sure to include the correct unit in your answer.
X

Answers

The surface area of the triangular prism is 2016 [tex]feet ^2[/tex], we get to the answer by adding area of all faces in this prism.

What is surface area ?

Surface area is the sum of the areas of all the faces or surfaces of a 3D object, measured in square units.

To find the surface area of the triangular prism, we need to calculate the area of each of its faces and then add them up.

First, let's find the area of the triangular base.

Area of triangle = (1/2) x base x height

Area of triangle = (1/2) x 18 x 24

Area of triangle = 216 [tex]feet ^2[/tex]

Next, let's find the area of each rectangular face.

Area of rectangle = length x width

Area of rectangle 1 = 24 x 22 = 528 [tex]feet ^2[/tex]

Area of rectangle 2 = 18 x 22 = 396 [tex]feet ^2[/tex]

Area of rectangle 3 =  22 x 30 = 660 [tex]feet ^2[/tex]

Now, we can add up the areas of all three faces to get the total surface area of the prism:

Surface area = area of rectangle (1+2+3) + 2 x area of triangle

Surface area = 528 + 396 + 660 + 2(216)

Surface area = 2016 [tex]feet ^2[/tex]

Therefore, the surface area of the triangular prism is 2016 [tex]feet ^2[/tex].

To learn more about triangular prism from the given link :

https://brainly.com/question/22023329

#SPJ1

julie buys 19 identical calculators the total cost is £143.64wirk out the total cost of 31 of these calculaters

Answers

Answer:

£234.36

Step-by-step explanation:

If 19 calculations costs £143.64, then 1 calculator will cost £7.56, so 31 calculators will be 31*7.56= £234.36

Change 0.182 0.005 0.050 0.174 Table 10-3. Regression results for predicting depression at wave 2 Predictor Variable b Beta P R? Depression Score Wave 1 0.267 0.231 0.000 0.182 Sociodemographic Age -0.014 -0.024 0.538 0.187 Sex 0.165 0.034 0.370 Psychologic Health Neuroticism, wave 1 0.067 0.077 0.056 0.0237 Past history of depression 0.320 0.136 0.000 Physical Health ADL, wave 1 -0.154 0.103 0.033 0.411 ADL, Wave 2 0.275 0.283 0.012 ADL?, wave 2 -0.013 --0.150 0.076 Number of current 0.115 0.117 0.009 symptoms, wave 2 Number of medical 0.309 0.226 0.000 conditions, wave 2 BP, systolic, wave 2 -0.010 -0.092 0.010 Global health rating 0.284 0079 0.028 change Sensory impairment -0.045 -0.064 0.073 change Social support inactivity Social support-friends, -1.650 -0.095 0.015 0.442 wave 2 Social support-visits, -1.229 -0.087 0.032 wave 2 Activity level, wave 2 0.061 0.095 0.025 Services (community residents 0.207 0.135 0.001 0.438° only), wave 2 Abhreviation: BP = blood pressure 0.031 0.015€ Based on above MLRA summary Table, which of following independent variables is the strongest predictor (or factor)?
Number of medical conditions, wave 2
Number of current symptoms, wave 2
Global health rating change
Past history of depression
ADL, wave 2

Answers

The regression result of 0.320, the beta of 0.136, and the p-value of 0.000.

The strongest predictor in the MLRA summary Table is past history of depression. This is shown by the regression result of 0.320, the beta of 0.136, and the p-value of 0.000. This means that past history of depression has a strong and statistically significant influence on predicting depression at wave 2.

Learn more about Regression

brainly.com/question/30011167

#SPJ11

1. A new bicycle sells for $300. It is on sale for off the regular price. Select
all the expressions that represent the sale price of the bicycle in dollars.
A300-1
B 300-2/
(C.) 300-(1-1)
(D.) 300 -4/1
E 300--300

Answers

Answer:

Step-by-step explanation:

e

Answer:

A. 300-1 and B. 300-2/ represent the sale price of the bicycle in dollars.

C. 300-(1-1) simplifies to 300-0, which is the same as 300, the regular price of the bicycle.

D. 300-4/1 simplifies to 300-4, which is 296, not the sale price.

E. 300--300 simplifies to 600, which is not the sale price.

Grant's art class had an exhibit with 45 pieces. 9 of the drawings were Grant's. What percent of the paintings were his?

Answers

Answer:

20%

Step-by-step explanation:0% of 4445=

#HELP! I WILL MAKE U BRAINLIST!

Answers

Answer:

x = 1.5

y = 12.99

Step-by-step explanation:

let's call cost of 1 song is x and cost of 1 album is 6

6x + y = 21.99

4x + 3y = 44.97

6x + y = 21.99 => y = -6x + 21.99

Substitute into 4x + 3y = 44.97

4x + 3(-6x + 21.99) = 44.97

4x - 18x + 65.97 = 44.97

-14x = -21

x = -21/-14 = 1.5

y = -6x + 21.99 = -6(1.5) + 21.99 = 12.99

Cutting (chess) boards. Suppose we are given a standard 8 x 8 checkerboard and given a standard 8 x 8 checkerboard and an immense supply of dominoes. Each domino can cover exactly two adjacent squares on the checkerboard below). As a warm-up, verify that the checkerboard can be covered completely dominoes where each domino covers exactly two squares and the dominoes do not overlapon another. Assume next that two squares of the checkerboard have been cut off as shown (second checkerboard). Your challenge now is to determine if you can cover this cut checkerboard winnon overlapping dominoes so that again, each domino covers exactly two squares. Finally, your last challenge is to consider the same question for the truncated checkerboard (last checkerboard). Does your answer change? Justify your answers.

Answers

If the two removed squares have the same color, then it is possible to cover the truncated checkerboard with non-overlapping dominoes. If they have different colors, then it will be impossible to cover the truncated checkerboard with non-overlapping dominoes.

To prove that the chess board can be completely covered by non-overlapping dominoes, where each domino covers exactly two squares, we can color the board alternatively in black and white. The two colors will make the board have 32 black squares and 32 white squares. Each domino will cover one white and one black square. Since there are the same number of black and white squares, there is an equal number of squares that each domino can cover so it is possible to cover the entire board with dominoes without overlap.

To determine whether the cut checkerboard can be covered by non-overlapping dominoes, note that we have 62 squares, 31 of which are black, and 31 white. This means that one color will have one extra square, in this case black. Therefore, if the two removed squares are of different colors, it will be impossible to cover the cut checkerboard with non-overlapping dominoes.However, if the two removed squares have the same color, then it will be possible to cover the checkerboard with non-overlapping dominoes. This is because we will still have an equal number of black and white squares even after the removal of the two squares.The same logic applies to the truncated checkerboard.

Learn more about Dominoes

brainly.com/question/30247776

#SPJ11

how can you convert a given number of fluid ounces to find equivalent number of cups explian

Answers

Step-by-step explanation:

There are 8 fluid ounces in a cup....

   divide the number of ounces by 8 to find the number of cups

# ounces /  8 ounces/cup    =    cups

Question
Find the value of y
for the given value of x
.

y=x+5;x=3

Answers

Answer: y is equal to 8

Step-by-step explanation:

by substituting the x for its vale of three we can add the two values to get 8 or y=8

9. The line I is a tangent to the circle x? + y? = 40 at the point A A is the point (2, 6). The line I crosses the x-axis at the point P. Work out the area of triangle OAP do 날 L=69. The line I is a tangent to the circle x2 + y? = 40 at the point A A is the point (2, 6). The line I crosses the x-axis at the point P. Work out the area of triangle OAP

Answers

Answer:

Step-by-step explanation:

First, we need to find the coordinates of the center of the circle. Since the equation of the circle is x^2 + y^2 = 40, we have x^2 = 40 - y^2. Substituting this into the equation of the tangent line I, we get:

(40 - y^2) + y(2x) = 40

2xy - y^2 = 0

y(2x - y) = 0

Since the line I crosses the x-axis at point P, we have y = 0 at that point. Therefore, 2x - y = 0, and we can solve for x:

2x = y

2x = 6

x = 3

So the center of the circle is at the point (3, 0).

Next, we need to find the radius of the circle. Since A is on the circle, we have:

3^2 + 6^2 = r^2

r^2 = 45

r = sqrt(45) = 3sqrt(5)

Now we can find the coordinates of point O, which is the center of the circle:

O = (3, -3sqrt(5))

Finally, we can find the area of triangle OAP:

OA = sqrt((2-3)^2 + (6+3sqrt(5))^2) = sqrt(69)

AP = 2

Using the formula for the area of a triangle, we have:

Area(OAP) = 1/2 * OA * AP = 1/2 * sqrt(69) * 2 = sqrt(69)

Therefore, the area of triangle OAP is sqrt(69) square units.

Hester sells televisions. She earns a fixed amount for each television and an additional $25 if the buyer gets an extended warranty. If Hester sells 15 televisions with extended​ warranties, she earns $1,350. How much is the fixed amount Hester earns for each​ television?

Answers

The fixed amount Hester earns for each television is $65.

What is linear equation?

A straight line in a two-dimensional coordinate system is described by a linear equation. Using m as the line's slope and b as the y-intercept, it has the generic form y = mx + b.

Mathematical applications of linear equations include algebra, geometry, and calculus. They are employed to represent and examine interactions between different variables, such as the connection between time and space in a straightforward linear motion issue.

Let us suppose the fixed amount = x.

Then, for 15 televisions she earns:

15*$25 = $375

Now, she earned a total of 1350, thus:

15x + $375 = $1,350

15x = $975

x = $65

Therefore, the fixed amount Hester earns for each television is $65.

Learn more about linear equation here:

https://brainly.com/question/21835898

#SPJ1

what justifies the use of the normal distribution for the sampling distribution of the proportion?

Answers

The ability of the normal distribution to approximate the binomial distribution under appropriate conditions justifies the use of the normal distribution for the sampling distribution of the proportion.

A sampling distribution is a statistical probability distribution derived from a larger number of samples gathered from a certain population. The sampling distribution of a particular population is the distribution of frequencies of a range of possible outcomes for a population statistic.

A population is the whole pool from which a statistical sample is selected in statistics. A population can be defined as a large group of people, things, events, medical visits, or measures. A population can thus be defined as an aggregate observation of persons linked by a common trait.

Learn more about Sampling Distribution:

https://brainly.com/question/29368683

#SPJ4

Other Questions
true or false, the new deal coalition was made up of president roosevelts supporters in congress, as well as the supreme court justices who upheld new deal programs and agencies. Which of the following are not finance activities?a. Planning and budgetingb. Financial reportingc. Financial risk managementd. Facilities management 1. Why do the scientists in favor of using the bomb believe it should be used against Japan (Document 23.6)?2. What arguments do the scientists who oppose dropping the atomic bomb on Japan put forward (Document 23.7)? Under what conditions do they believe the use of the bomb would be justified?3. How do both groups of scientists place the use of the bomb within the context of postwar international relations?4. What reasons does Truman give for dropping the bomb (Document 23.8)?5. According to the strategic bombing survey, what factors delayed Japan's acceptance of unconditional surrender (Document 23.10)?6. How does what you see in the photograph of the day after the bombing of Hiroshima (Document 23.9) compare with the eyewitness account inDocument 23.11? Which do you find more powerful and why?7. What do you think was the primary reason the United States dropped the atomic bomb onJapan?8. After reading these documents, do you think the United States should have sought a different way to end the war? Why or why not? AP STATS Burping (also known as "belching" or "eructation") is one way the human body expels excess gas in your digestive system. It occurs when your stomach fills with air, which can be caused by swallowing food and liquids. Drinking carbonated beverages, such as soda, is known to increase burping because its bubbles have tiny amounts of carbon dioxide in them.As an avid soda drinker and statistics student, you notice you tend to burp more after drinking root beer than you do after drinking cola. You decide to determine whether there is a difference between the number of burps while drinking a root beer and while drinking a cola. To determine this, you select 20 students at random from high school, have each drink both types of beverages, and record the number of burps. You randomize which beverage each participant drinks first by flipping a coin. Both beverages contain 12 fluid ounces. Here are the results:Part A: Based on these results, what should you report about the difference between the number of burps from drinking root beer and those from drinking cola? Give appropriate statistical evidence to support your response at the = 0.05 significance level.Part B: How much of a difference is there when an individual burps from drinking root beer than from drinking cola? Construct and interpret a 95% confidence interval.Part C: Describe the conclusion about the mean difference between the number of burps that might be drawn from the interval. How does this relate to your conclusion in part A?" The seven bones of the neck are called _____ vertebrae. (a) lumbar. (b) spinal. (c) thoracic. (d) cervical. The vertebral column if an economic integration has factor mobility, free move of product, labor, and capital, it should be . which of the following is defined as the study of the rates of reactions and the steps by which they occur? in the feb. 22 sbj marketing newsletter, how many nba teams currently have ad patches on their shooting shirts? What are at least 7 different ways to measure and predict earthquakes? This synaptic site is known as a ____ a. myofibrilb. transverse (T) tubulec. sarcoplasmic reticulumd. neuromuscular junction LetY1,Y2,Yn denote a random sample of size n from a population whose density is given by f(y)={y1,0y0,elsewhere,where >0 is a known, fixed value, but is unknown. Consider the estimator =max(Y1,Y2,...Yn).(a) Show that is a biased estimator for .(b) Find a multiple of that is an unbiased estimator of .(c) Derive MSE(). describe a personal macro workbook. what is the benefit of using a personal macro workbook, and why is it helpful in the real-world? Al's car travels 40 miles on a gallon of gas the car's gas tank has a capacity of 10 gallons the distance out control was shown on the graph before his trips Al stops at the gas station where 10 gallons of gas cost $27 his tank already 2/5 full and he spends $13.50 on gas what is the maximum distance I'll can travel with the gas he has now in his tank Pablo's is a popular Mexican restaurant, known especially for its homemade salsa. During dinner last night at Pablo's, 7 tables of people ordered chips and salsa for every 2 tables that did not. A 200 g air-track glider is attached to a spring. The glider is pushed 10.0 cm against the spring, then released. A student with a stopwatch finds that 10 oscillations take 12.0 s. What is the spring constant? A 200 g ball is tied to a string. It is pulled to an angle of 8.00degree and released to swing as a pendulum. A student with a stopwatch finds that 10 oscillations take 12.0 s. How long is the string? four-year-old michelle talks to herself frequently. she does this especially when she is trying to solve a difficult problem. lev vygotsky would say that michelle is Felipe is having friends over for dinner. One of his guests has celiac disease. Which one would best entree for Felipe to serve? A. garlic shrimp on top of brown rice B. homemade pizza with basil, tomato, mozzarella C. coconut curry with naan bread D. roasted turkey with stuffing Help pleaseeeeeeeeee! when determining the batch size, which consideration is the least important? a. achieving economies by grouping together large numbers of transactions b. providing control over the transaction process c. complying with legal mandates the five major categories of infectious agents include bacteria, protozoans, multicellular parasites, viruses, and