The exact value of a trig function can be found by using the unit circle, the trigonometric identities, tables or a calculator.
How to find the exact value of a trig function?To find the exact value of a trigonometric function, there are several methods you can use. Below are a few:
1. Using the Unit Circle: The unit circle is a circle with radius 1 centered at the origin in the coordinate plane. The angles in the unit circle are measured in radians and the coordinates of points on the circle can be used to find the exact values of trigonometric functions. For example, given an angle θ in the unit circle, the x-coordinate of the point on the circle corresponding to θ is cos(θ) and the y-coordinate is sin(θ).
2. Using the Trigonometric Identities: There are several trigonometric identities that relate the values of the six trigonometric functions to one another. These identities can be used to find the exact value of a trigonometric function for certain angles. For example, the Pythagorean identity states that for any angle θ, sin²(θ) + cos²(θ) = 1.
3. Using Tables or a Calculator: Trigonometric tables or a scientific calculator can be used to find the exact values of trigonometric functions for certain angles. The values are often given in degrees, so it is important to convert the angle to radians if necessary.
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How to Convert 30x+120y=420 into y=mx+b form?
Answer:
y=-0.25x+3.5
Step-by-step explanation:
Ik this
Is the union of countably infinite sets countable?
The answer is that it depends on the specific countable sets being considered and how they are being combined.
The union of countably infinite sets can be countable, as in the case of the union of all positive integers and all negative integers, which is also countable.
However, the union of countably infinite sets can also be uncountable. For example, consider the union of all the intervals [n, n+1) for n = 1, 2, 3, .... Each of these intervals is countable (since it contains all the real numbers between two integers, which is a countable set), but the union of these intervals is the uncountable set of all real numbers greater than or equal to 1. Therefore, the union of these countably infinite sets is uncountable.
So the answer is that it depends on the specific countable sets being considered and how they are being combined.
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Original Problem:
Solve the equation for x.
5³x-2 = 125²x
a. Solve using the change of
base formula:
Log by=log y/ log b
b. Solve using a different
method.
C. Verify your solution(s) by
substituting your value back
into the original equation.
The solution of the equation is,
⇒ x = - 2/3
What is an expression?Mathematical expression is defined as the collection of the numbers variables and functions by using operations like addition, subtraction, multiplication, and division.
Given that;
The expression is,
⇒ 5³ˣ⁻² = 125²ˣ
a) Now, We can solve the expression by using change of base formula:
⇒ [tex]log_{b} y = \frac{log y}{log b}[/tex]
Hence, We get;
⇒ 5³ˣ⁻² = 125²ˣ
⇒ 5³ˣ⁻² = 5⁶ˣ
Take log both side we get;
⇒ log 5³ˣ⁻² = log 5⁶ˣ
⇒ (3x - 2) log 5 = 6x log 5
⇒ (3x - 2) = 6x
⇒ - 2 = 6x - 3x
⇒ - 2 = 3x
⇒ x = - 2/3
b) Solve for another method as;
⇒ 5³ˣ⁻² = 125²ˣ
⇒ 5³ˣ⁻² = 5⁶ˣ
By comparing,
⇒ 3x - 2 = 6x
⇒ 3x - 6x = 2
⇒ - 3x = 2
⇒ x = - 2/3
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Round 1.587 to the hundredths
place.
Answer:
1.59
Step-by-step explanation:
Rounding to the hundredths has the same meaning as rounding to the second decimal place. Since the third decimal place is 7, we have to round up the decimal. Therefore the rounded value would be 1.59
I hope this makes sense to you. I am generally good with following up with additional questions. Feel free to leave a comment if you have any questions or you can also message me as well!
Find the side length of a square with diagonals 18 cm long.
Answer:
162cm²
Step-by-step explanation:
Formula of square with diagonals=1/2*d²
=1/2*(18)²
=1/2*324cm²
we get,
=162cm²
An initial deposit of $1200 is put into an account that earns 5% interest, compounded annually. Each year, an additional deposit of $1200 is added to the account.
Through the aid of future value If no withdrawals or new deposits are made, the account's value following the tenth deposit should be $15,093.47.
The implied value of an asset as of a particular date in the future based on a growth rate assumption is known as the Future Value (FV). This area of mathematics examines how random events happen. The value might be between 0 and 1. The mathematical idea of probability aids in predicting the possibility of specific events. In general, probability relates to how probable something is to happen. The interest rate assumption, or the rate of return on the initial amount of capital invested, or the present value, determines the projected future value (PV).
Calculation of the value:
The initial deposit is $1.200
The rate of interest is 5%
Now the future value be like
[tex](1200\times\frac{(1+0.05)^9-1}{0.05} )\times(1+0.05)+1,200\\\\\(1200\times(\frac{1.5513-1}{0.05} )\times(1+0.05)+1,200\\\\(1200\times11.0265)\times(1.05)+1,200\\\\13893.4711+1,200\\$15,093.47[/tex]
Through the aid of future value If no withdrawals or new deposits are made, the account's value following the tenth deposit should be $15,093.47.
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Compare 5/8 and 1/3 please hurry!
Answer:5/8
Step-by-step explanation:
Lowest common denominator is 24
15/24 > 8/24
5/8>1/3
How do you find the square root of 22 using heron's formula method?
(No spam for the points plss"
Answer:
we can't find it by herons formula. but here is your answer.....
Step-by-step explanation:
[tex]\\\sqrt{22}\\\\we can do by long division method \\ the actual value of \sqrt{22} = 4.69041575982343.\\well \sqrt{22} itself is in the simplest form[/tex]
ILL GIVE BRAINLIEST PLS HELP The stem-and-leaf plot displays the distances that a heavy ball was thrown in feet.
2 0, 2, 5
3 1, 3, 4
4 1, 1, 5
5 0, 6
6 7
Key: 3|1 means 3.1
What is the mean, and what does it tell you in terms of the problem?
3.1 feet; The value means the furthest the ball went.
3.875 feet; The value means that a typical throw of the ball results in 3.875 feet.
4.1 feet; The value means this measurement had the most occurrences.
4.65 feet; The value means that a typical throw of the ball results in 4.65 fe
The mean distance that the ball was thrown is approximately 38.92/12 = 3.24 feet.
Ball throwing distancesTo find the mean distance that the heavy ball was thrown, we need to calculate the sum of all the distances and then divide by the total number of throws:
(20+25+25+31+33+34+41+41+45+50+56+67)/12 = 467/12 ≈ 38.92
So, the mean distance that the ball was thrown is approximately 38.92/12 = 3.24 feet.
This means that on average, the ball was thrown a distance of 3.24 feet. However, it's important to note that the mean can be influenced by outliers, which in this case is the one throw of 6.7 feet.
So, while the mean is a useful measure of central tendency, it's important to also consider other measures such as the median and mode to get a complete picture of the data.
The mean is the sum of all the values in a dataset divided by the total number of values. It provides an estimate of the central location of the data and can be a useful summary statistic for describing a dataset. However, the mean can be influenced by outliers, which are values that are significantly different from the rest of the data.
In this case, the one throw of 6.7 feet is an outlier because it is much further than any other throw, and it will increase the mean value.
For this reason, it's important to consider other measures of central tendency such as the median and mode. The median is the middle value in a dataset, and it's not affected by outliers. The mode is the value that appears most frequently in a dataset and can provide useful information about the typical or most common value in the data.
By considering all three measures (mean, median, and mode), we can get a more complete picture of the data and make better inferences or conclusions about it.
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PLEASE ANSWER IMMEDITLY I NEED TO FILL OUT MY TEST STAT !!!!!!! WILL GIVE 100 POINTS!
Cujo is making pies. Each pie must contain 14 strawberries and 22 slices of banana.
Drag numbers to complete the table to show how many of each fruit are in each pie. Numbers may be used once, more than once, or not at all.
options to choose from ( 4 drop down)
18 22 56 88 66 32 42 70
Number of Pies Strawberries Slices of Banana
1 14 _____
__ 44
2 28 ____
3 56 ____
4 _____ 110
5
Answer: Can you help me with the questions that I asked today.
Step-by-step explanation: Please.
Answer:
(To shawnrg
ask me the questions. I'm not promising I'll be able to help
Step-by-step explanation:
Which proportion can you use to find the value of a?
The proportion used to find the value of a is a/18 = 16/a
What is proportion?Proportion is a mathematical comparison between two numbers. According to proportion, if two sets of given numbers are increasing or decreasing in the same ratio, then the ratios are said to be directly proportional to each other.
Given are three similar triangles, (refer to attached figure to separately see the similar triangles)
We know that, similar triangle have corresponding sides in equal ratio,
Therefore,
a/18 = 16/a
Hence, the proportion used to find the value of a is a/18 = 16/a
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please help! it’s pretty easy I just am confused!
Answer:
since p is irrational it is not expressible as a ratio of two integers and has an infinite and nonrecurring expansion when expressed as a decimal
Step-by-step explanation:
so a
Use polynomial identities to factor 1 – 125n3. Choose the correct factors.
Answer:
(1-5n)(25m^2+5n+1
Step-by-step explanation:
Write a division problem with ¼
as the dividend and 3 as the divisor. Then, find the quotient.
Answer:
[tex]\dfrac{1}{12}[/tex]
See the explanation for more details
Step-by-step explanation:
Not sure if you want this as a word problem or not. So here goes anyway
3 friends decided to share 1/4 of a pizza equally. How much of the original pizza portion did each get
In equation form:
[tex]\dfrac{1}{4} \div 3[/tex]
When dividing, flip the divisor so it is the reciprocal of the original divisor
Then multiply both the dividend and the flipped value
[tex]\textrm{Reciprocal of 3 = }[/tex] [tex]\dfrac{1}{3}[/tex]
[tex]\dfrac{1}{4} \div 3 = \dfrac{1}{4} \times \dfrac{1}{3}[/tex]
[tex]= \dfrac{1 \times 1}{4 \times 3} \\\\= \dfrac{1}{12}[/tex]
This is the quotient
How do you find the lower quartile range?
Answer:
q1= n/4
is the formulato fine lower quartile
The length of a rectangle is represented by the function L(x) = 2x. The width of that same rectangle is represented by the function W(x) = 8x2 − 4x + 1. Which of the following shows the area of the rectangle in terms of x?
(L + W)(x) = 8x2 − 2x + 1
(L + W)(x) = 8x2 − 6x + 1
(L ⋅ W)(x) = 16x3 − 4x + 1
(L ⋅ W)(x) = 16x3 − 8x2 + 2x
Answer:
Step-by-step explanation:
The area of a rectangle is given by the product of its length and width. Therefore, the area of the rectangle is:
A(x) = L(x) ⋅ W(x) = 2x(8x^2 - 4x + 1)
Simplifying the expression, we get:
A(x) = 16x^3 - 8x^2 + 2x
Therefore, the answer is (D) (L ⋅ W)(x) = 16x3 − 8x2 + 2x.
If the length of minor arc ab is 12 feet and the radius of the circle is 10 feet, find the measure of the central angle subtended by minor arc ab, to the nearest degree.
The measure of the central angle subtended by minor arc ab, to the nearest degree is 67.
A minor arc is a part of a circle that is created by two points on the circumference of the circle.
To find the measure of the central angle subtended by the minor arc ab, we need to use the formula for the circumference of a circle, which is C = 2πr. The length of the minor arc ab is 12 feet, which is a part of the circumference of the circle. So, we can write an equation:
12 = C * (arc ab / C)
where C is the circumference of the circle and arc ab is the length of minor arc ab. We know that the radius of the circle is 10 feet, so we can find the circumference of the circle using the formula for circumference:
C = 2πr = 2π * 10 = 20π
Substituting the value of C in the equation above, we get:
12 = 20π * (arc ab / 20π)
Dividing both sides of the equation by 20π, we get:
12 / 20π = (arc ab / 20π)
We can now find the central angle subtended by the minor arc ab by using the formula:
Central angle = 2 * arctan(arc ab / 2r)
Substituting the values, we get:
Central angle = 2 * arctan(12 / (2 * 10)) = 2 * arctan(0.6)
Using a calculator, we can find that the value of arctan(0.6) is about 33.7 degrees. Hence, the central angle subtended by minor arc ab is:
Central angle = 2 * 33.7 = 67.4 degrees
Rounding off to the nearest degree, we get that the central angle subtended by minor arc ab is 67 degrees.
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25 points! the radius r of a sphere with volume v is given by r= (3v/4π)
find the radius of a ball that hold 66 cubic centimeters of air.
Answer:
To find the radius of a ball that holds 66 cubic centimeters of air:
1. Substitute the given volume into the equation r= (3v/4π): r = (3*66/4π).
2. Simplify the equation: r = (198/4π).
3. Calculate the value of 4π: 4π = 12.57.
4. Divide 198 by 12.57: r = 15.75.
5. The radius of the ball that holds 66 cubic centimeters of air is 15.75 cm.
Answer:
Step-by-step explanation:
To find the radius of a sphere that holds 66 cubic centimeters of air, we can use the formula provided in the question:
r = (3v/4π)
where v is the volume of the sphere. We are given that the volume of the sphere is 66 cubic centimeters, so we can substitute this value into the formula:
r = (3 x 66) / (4 x π)
Simplifying this expression:
r = 198 / (4π)
Using a calculator to evaluate this expression:
r ≈ 15.8267
Therefore, the radius of the sphere that holds 66 cubic centimeters of air is approximately 15.8267 centimeters.
write an expression for w more
than
a number 28
Answer:
W > 28
W has to be greater than 28
The budget for a project on voting trends includes $3200 for hiring undergraduateâ students, graduateâ students, and faculty members to conduct interviews on the day before an election. Each undergraduate student will conduct 30 interviews forâ $100. Each graduate student will conduct 32 interviews forâ $150. Each faculty member will conduct 33 interviews forâ $200. No more than 20 interviewers can be hired. How many of each type of interviewer should be hired in order to maximize the number ofâ interviews? What is the maximum number ofâ interviews?A)___undergraduateâ students, __ graduateâ students, and___ faculty members should be hired to maximize the number of interviews
By the help of inequality properties The maximum number of interviews is 644.
Let x = number of undergraduate students hired, y = number of graduate students hired, z = number of faculty members hired, n = number of interviews
The objective function is:
Maximize n = 30x + 32y + 33z
The constraints are:
x + y + z ≤ 20
100x + 150y + 200z ≤ 3200
x, y, z integers and ≥ 0 The solution is x = 0, y = 16, z = 4, n = 644
0 undergraduate students, 16 graduate students, and 4 faculty members should be hired to maximize the number of interviews. The maximum number of interviews is 644.
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How to create the great paper outline templete?
First we need to select the subject to create the great paper outline template. Then follow the steps to create a paper.
Step 1: Choose the topic for the paper.
Step 2: Make a list of all the concepts you wish to discuss or incorporate.
Step 3: Separate similar concepts into smaller groupings.
Step 4: Put your concepts in order of importance: What ought the reader to discover first? What matters the most? Which conclusion will best suit your paper?
Step 5: Make good headers and subheadings for your documents.
Step 6: Format the outline in decimal, full-sentence, or alphanumeric form.
Step 7: State and review the paper by oneself first.
Follow all the steps to create the great paper outline template.
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The Spartan basketball team scored 108 points in the game last night. They scored 48 baskets in all, making a combination of two-point and three-point baskets. There were no points due to free throws.
Question 1
Part A
Which system of equations could be used to find the number of three-point baskets the Spartans made?
Answer:
(108 - (48 x 2)) / 3 = p
Step-by-step explanation:
;)
21. CT
The flag of Scotland is a rectangle with white stripes as the diagonals.
In rectangle SCOT, SO = 92.4, and CO = 41. Find the indicated measure.
19. OL
S
20. ST
22. LT
+
T
120°
C
Determine whether the parallelogram with the given vertices is a rectangle,
rhombus, or square. Give all names that apply. Explain your reasoning.
23. A(-6, -2), B(-3, 3), C(2, 0), D(-1, -5)
The answers are a) OL = 46.2, CT = 92.4, ST = 41 and LT = 46.2
b) parallelogram ABCD is a rectangle.
What is a rectangle?A rectangle is a type of quadrilateral, whose opposite sides are equal and parallel. It is a four-sided polygon that has four angles, equal to 90 degrees. A rectangle is a two-dimensional shape.
a) Given that, the flag of Scotland is a rectangle with white stripes as the diagonals. In rectangle SCOT, SO = 92.4, and CO = 41.
We need to find the measure of CT, OL, ST and LT,
We know that, the diagonals of a rectangle bisects each other and are congruent, and its opposite sides are equal,
Therefore,
OL = SO/2 = 92.4/2 = 46.2
CT = SO = 92.4
ST = CO = 41
LT = OL = 46.2
b) Given are vertices of parallelogram, A(-6, -2), B(-3, 3), C(2, 0), D(-1, -5), we need to verify if this is a rectangle or not,
Since, the diagonals of a rectangle are congruent, so, we will find AC and BD and see if they equal or not if equal then it is a rectangle.
Distance between two points is =
D = [tex]\sqrt{(x_{2}-x_1)^2+(y_2-y_1)^2 }[/tex]
AC = √(2+6)²+(2)² = √68
BD = √(-1+3)²+(-5-3)² = √68
∵ AC = BD, therefore, parallelogram ABCD is a rectangle.
Hence, the answers are a) OL = 46.2, CT = 92.4, ST = 41 and LT = 46.2
b) parallelogram ABCD is a rectangle.
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how many pounds is 65 kg
Answer to all seven questions pls
Answer:
1. 7 or S
2. 2 or E
3. 5 or A
4. 3 or I
5. 9 or the shaded-in letter
6. 11 or T
7. 20 or E
Step-by-step explanation:
1. 7 times 2 is 14, and 7 times 3 is 21
2. 2 times 5 is 10, and 2 times 6 is 12
3. 5 times 3 is 15, and 5 times 5 is 25
4. 3 times 2 is 6, and 3 times 5 is 15
5. 9 times 4 is 36, and 9 times 3 is 27
6. 11 times 2 is 22, and 11 times 3 is 33
7. 20 times 3 is 60, and 20 times 1 is 20.
Compare / Contrast Exponential Equations
1.) 2 (1/5)x-5
2.) y=4x
The intersection point of the exponential and linear equation is at (3.748, 14.993).
What is the solution to the equation?An answer to a formula is any variable value that fulfills the equal outcomes, that is, it tends to make the Left Hand Side (LHS) and Right Hand Side (RHS) of the formula equal. To solve an equation, you must locate the feasible solution) to that formula.
The equations are given below.
[tex]\rm y = 2 \left ( \dfrac{1}{5} \right )^{x - 5}[/tex]
The graph of the exponential equation is drawn.
y = 4x
The graph of the linear equation is also drawn.
From the graph, the intersection point of the exponential and linear equation is at (3.748, 14.993).
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The median and the height of an isosceles trapezoid are equal in length. One diagonal of the trapezoid has length $12$. What is the area of the trapezoid?
The area of the isosceles trapezoid is 72 square units.
What is isosceles trapezoid ?A quadrilateral having at least one set of parallel sides and equal length non-parallel sides is called an isosceles trapezium. To put it another way, it is a trapezium whose two non-parallel sides are congruent. The trapezoid's parallel sides are referred to as the bases, and the segments that link the bases are referred to as the legs. The angle between the bases of an isosceles trapezoid determines its height.
Given:
[tex]\[d = 12 \quad \text{(length of one diagonal)}\][/tex]
Let;
[tex]\[h = \text{height of the trapezoid}\][/tex]
[tex]\[a = \text{smaller base of the trapezoid}\][/tex]
[tex]\[b = \text{larger base of the trapezoid}\][/tex]
Using the given information that the height and median are equal, we have:
[tex]Median(m)=\frac{1}{2} {(a+b)}\\\\Height(h)=\frac{1}{2} {(a+b)}\\\\2h=a+b ........(1)[/tex]
[tex]\[\text{Area} = \frac{1}{2} \cdot (a + b) \cdot h\][/tex]
[tex]\[\text{Area} = m \cdot h\] = h^2 ............(2)[/tex] (∵ [tex]Median(m)=\frac{1}{2} {(a+b)}[/tex] and m=h)
Now,
[tex]\[ d = \sqrt{h^2 + \frac{(a+b)^2}{4}} \][/tex] for isosceles trapezoid,
[tex]\[ 12^2 = h^2 + \frac{(a+b)^2}{4}}[/tex]
[tex]\[ 12^2 = h^2 + \frac{(2h)^2}{4}}[/tex] (∵from eq (1))
[tex]\[ 12^2 = h^2 + {(h)^2}}\\ \\144= 2h^2\\\\h^2=72 ..........(2)[/tex]
Lastly, we may change the values of "a," "b," and "h" in the following formula to find the area as;
[tex]\[\text{Area} = \frac{1}{2} \cdot (a + b) \cdot h\][/tex]
[tex]\[\text{Area} = \frac{1}{2} \cdot (2h) \cdot h\][/tex]
[tex]\[\text{Area} = h \cdot h\] = h^2 = 72 sq units[/tex]
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Pablo received $200 dollars for his high school graduation. He wants to save his money to buy a new laptop that cost $700 for when he attends
college. Each month, he adds $125 to his laptop savings. Write an equation in slope intercept form for m, the number of months that it will take Pablo to save $700.
Let's call the number of months that it takes Pablo to save $700 as "m". The amount of money Pablo has saved after "m" months can be represented by the equation:
y = 200 + 125m
where y is the total amount of money saved after "m" months.
To find the number of months it will take Pablo to save $700, we can set y equal to $700 and solve for m:
700 = 200 + 125m
500 = 125m
m = 500 / 125 = 4
So it will take Pablo 4 months to save $700.
The equation in slope-intercept form is:
y = 125m + 200
where m is the number of months and y is the total amount of money saved. The slope of the line is 125, which represents the amount added to the savings each month, and the y-intercept is 200, which represents the initial amount of money Pablo received for graduation.
Write using positive exponents
x^3 * x^5
Answer: easy, the answer is x^6 (look at the image for the solution and make sure to give me brainliest)
Step-by-step explanation:
Hello can you help with this please
Answer:
133
Step-by-step explanation:
All 3 angles of a triangle must equal 180, so let's make these equal to that
[tex](x + 13) + (10x + 13) + (2x - 2) = 180[/tex]
Now let's combine the X's and the regular numbers together.
[tex]13x + 24 = 180[/tex]
Next, subtract 24 to get all the numbers on the right side.
[tex]13x = 156[/tex]
And lastly, we divide by 13 to get X alone
[tex]x = 12[/tex]
Since Q is (10x + 13), we plug that 12 in
[tex]10(12) + 13 = 133[/tex]