Margie has these times recorded on her time sheet for the week. how many hours did she work? responses 49 49 45 45 39 39 35 35 time in time out 7:05 4:58 7:30 5:01 8:01 5:32 7:22 5:46 6:55 4:31

Answer:

The slope is -2/3 and the y-intercept is 5

The expression for the quarters you take is (1 - 0.50) x 28

The money you have left is $3.50.

The expression that is used to represent the total number of quarters is:

Total number of quarters = number of quarters you have x ( 1 + percent you find/100)

Total number of quarters = 20 x (1 + 40/100)

Total number of quarters = 20 x 1.40 = 28 quarters

Number of quarters you have left = (1 - percentage spent/100) x number of quarters

= (1 - 50%/100) x 28

(1 - 0.50) x 28

0.50 x 28 = 14 quarters

Value of 14 quarters in dollars = 14 x 0.25 = $3.50

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Therefore , the solution of the given problem of coordinate plane is we can translate an image on a coordinate plane .

The term "coordinate plane" refers to a two-dimensional region that consists of two number lines. It emerges when the X-axis & Y-axis intersect at a location known as the origin. Using the numbers on a coordinate grid, one can locate points.

Here,

If we are aware of the direction and magnitude of the figure's movement, we may draw the translation in the coordinate plane.

Use P'(x+a,y+b) to translate the point P(x,y), a unit to the right, and b unit up.

So, translating an image onto a coordinate plane is the answer to the provided coordinate plane problem.

Therefore , the solution of the given problem of coordinate plane is we can translate an image on a coordinate plane .

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The two numbers are either 0 and 1 or 1 and 0. This is a method of solving a system of equations called substitution method

To solve this problem you can use a mathematical one, called a system of equations. A system of equations is a set of two or more equations that contain multiple variables. In this case, we have two equations with two variables, x and y.

We know that when you add the two numbers, the result is 1. We also know that when you multiply the two numbers, the result is 0.

Given these two equations:

x + y = 1 and x*y = 0

We know that one of the numbers is 0, because when we multiply any number by 0 the result is 0.

So x=0 or y=0

Now we can use the first equation, x + y = 1, and substitute in one of the values we know:

x = 0 and y = 1

or

y = 0 and x = 1

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Answer:

85

Step-by-step explanation:

First, take your 400 and minus the 60 on the floor.
Then take your 340 and divide it by 4.
Which then leads to your final answer of 85 per box.

Answer:

y = 9x

Step-by-step explanation:

Let y = the cost

Let x = the number of hours

It costs $9 and hour to rent 27/3 = 9

Answer: We can start solving this problem by using the information given in the equation 6b + 2r = 60. This equation represents the total cost of the bread and rolls sold, with 6b representing the cost of the bread (6 dollars per loaf) and 2r representing the cost of the rolls (2 dollars each). The goal is to find the value of b, the number of loaves of bread sold.

We can use the information that the baker sold 24 rolls. If we substitute this value into the equation, we get:

6b + 2(24) = 60

Next, we can simplify the equation by substituting in the value of 24 for r:

6b + 48 = 60

Now we can subtract 48 from both sides of the equation to find the value of b:

6b = 12

Finally, we can divide both sides of the equation by 6 to find the value of b:

b = 12/6 = 2

So the graph suggests that the baker must sell approximately 2 loaves of bread if 24 rolls are sold.

We can check this by substituting this value in the equation to make sure that it works and total cost of the bread and rolls sold is $60

6(2) + 2(24) = 60, which is true

It is important to note that this is an approximation based on the information given, and it is possible that the baker may have sold a different number of loaves of bread while selling 24 rolls.

Step-by-step explanation:

The scale factor is the ratio of the length of a side of one figure to the length of the corresponding side of the other figure

Scale factors in geometry are defined as a conversion factor for distances in similar shapes, so the scale factor is the factor you would have to multiply all of the dimensions of one shape by in order for it to have the same dimensions as the other, so a scale factor of 4 means that if you multiplied all of the dimensions of one shape by 4, they would be the same dimensions as the dimensions of the other.

Alternatively, if this is not involving another shape, a scale factor of 4 is merely a factor for dilation, the transformation that makes a shape larger, therefore a scale factor of 4 would simply need you to multiply all of the original’s dimensions.

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Answer:

y = (3/5)x+3.6

Step-by-step explanation:

Let's look for an equation of the standard form: y=mx+b, where m is the slope and b is the y-intercept (the value of y when x is 0).  Parallel lines have the same slope, m.  Next, rearrange the reference line to standard format:

  3x-5y=10

   -5y = -3x + 10

    y = (3/5)x + 2

Now we can easily find the slope.  The slope of the reference line is (3/5).  That will also be the slope of the parallel line, so we can write:

   y = (3/5)x + b

We need a value of b that will shift the line so that it touches point (-1,3) .  ["passes through"].  Enter that point into the above equation and solve for b:

   y = (3/5)x + b

   (3) = (3/5)*(-1) + b   for point (-1,3)

   3 = -(3/5) + b

 -(3/5) = 3-b

  -b = -3 - (3/5)

   b = 3+(3/5)

   b = (18/5), or 3.6

The equation becomes y = (3/5)x+3.6

See the attached graph.

[Parallel lines have a lot in common.  Too bad they'll never meet.]

Answer:

15.966

Step-by-step explanation:

a/sinA=b/sinB

12/sin37⁰=x/sin53⁰

cross multiply ;

12sin53⁰=xsin37⁰

9.58=0.60x

x=15.966

The missing number to be added to the polynomial is 16. 2x³ − 3x² − 8x + 16 leaves a remainder of 12 when divided by 2x.

The polynomial 2x³ − 3x² − 8x + ? leaves a remainder of 12 when divided by 2x. We can solve this by using the Remainder Theorem. The Remainder Theorem states that if a polynomial p(x) is divided by (x-a), the remainder is p(a).

We can use this theorem to solve the problem by setting x=2 and p(x)=2x³ − 3x² − 8x + ?. We can then solve for ? to find the missing number.

p(2) = 2(2³) − 3(2²) − 8(2) + ? = 16 - 12 - 16 + ? = ?

Therefore, the missing number to be added to the polynomial is 16. 2x³ − 3x² − 8x + 16 leaves a remainder of 12 when divided by 2x.

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Considering the graph the scale factor of the dilation is calculated to be

Dilation is a method of transformation that magnify or shrink the preimage depending on the scale factor

The transformation rule for dilation is as follows

(x, y) for a scale factor of r → (rx, ry)

In solving to get the scale factor of an image reference point is chosen and the proportion of the dimensions are taken

Let the reference point be TV and T'V'

TV = 6 units

T'V' = 2 units

scale factor = T'V' / TV

= 2 / 6

= 1 / 3

the scale factor is 1/3

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Answer:

Inverse most likely

Step-by-step explanation:

84 math students are not from England

Given that

In mathematics, a percentage (from Latin: per centum, "by a hundred") is a number or ratio expressed as a fraction of 100. It is often denoted using the percent sign, "%",although the abbreviations "pct.", "pct" and sometimes "pc" are also used. A percentage is a dimensionless number (pure number); it has no unit of measurement.

The term "percent" is derived from the Latin per centum, meaning "hundred" or "by the hundred". The sign for "percent" evolved by gradual contraction of the Italian term per cento, meaning "for a hundred". The "per" was often abbreviated as "p."—eventually disappeared entirely. The "cento" was contracted to two circles separated by a horizontal line, from which the modern "%" symbol is derived.

At a Cambridge College,65% of the math student are from England

If there are 240 math student

now we need to find how many are not from England

= (100 - 65)% = 35% percentage

= [tex]\frac{35}{100}[/tex] * 240

= 84

84 math students are not from England

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A "right triangle" in 7th-grade math class refers to a triangle with one angle measuring exactly 90 degrees, and students learn about the properties of right triangles, the Pythagorean theorem, and how to use it to solve problems.

In 7th-grade math, students typically learn about the basic properties of triangles, including their angle measures and side lengths. They learn how to classify triangles based on their angle measures, and the Pythagorean theorem, which relates the side lengths of a right triangle. They also learn how to use the theorem to solve real-world problems, such as finding the length of the missing side of a right triangle.

In a 7th-grade math class, students will likely also learn about the special right triangles, such as the 30-60-90 triangle and the 45-45-90 triangle. These triangles have special ratios of their side lengths that make them useful for solving mathematical problems. They also will learn about solving problems with the Pythagorean theorem.

In a 7th grade math class, students are expected to have a good understanding of triangles, and be able to classify them according to their angle measures, solve problems with the Pythagorean theorem, and be familiar with the special right triangles.

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The graph which represents the linear equation; y = (1/4)x + 1 as required in the task content is; the graph of a line passing through the points 0 comma 1 and negative 4 comma 0.

It follows from the task content that the graph which represents the given linear equation be determined.

Since the given linear equation is; y = (1/4)x + 1.

By comparison of the given equation to the slope-intercept form equation of a straight line, the y-intercept is; ( 0, 1).

Additionally, by checking (-4, 0); we have that;

0 = { (1/4) × -4 } + 1

0 = -1 + 1

0 = 0.

On this note, the graph which represents the linear equation is the; graph of a line passing through the ( 0, 1 ) and (-4, 0).

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The graph which represents the linear equation; y = (1/4)x + 1 as required in the task content is; the graph of a line passing through the points 0 comma 1 and negative 4 comma 0.

Which graph best represents the given linear equation?

It follows from the task content that the graph which represents the given linear equation be determined.

Since the given linear equation is; y = (1/4)x + 1.

By comparison of the given equation to the slope-intercept form equation of a straight line, the y-intercept is; ( 0, 1).

Additionally, by checking (-4, 0); we have that;

0 = { (1/4) × -4 } + 1

0 = -1 + 1

0 = 0.

On this note, the graph which represents the linear equation is the; graph of a line passing through the ( 0, 1 ) and (-4, 0).

When the operation is defined on the set of R by a*b-1, it is commutative rather than associative.

In algebra, an equation is a mathematical statement that establishes the equality of two mathematical expressions. Take a look at the formula 3x + 5 = 14, where 3x + 5 and 14 are two expressions that are separated by the word "equal." The standard form, the point-slope form, and the slope-intercept form are the three primary kinds of linear equations. Algebra is used in many equations. When it comes to arithmetic, algebra is used when it's difficult to compute an exact amount.

Given,

a∗b=1+ab,∀a,b∈R

Commutativity a∗b=1+ab

=1+b.a

=b∗a

∵ Set of real numbers is commutative.

So, a∗b=b∗a

∴ is commutative Associativity (a∗b)∗c=(1+ab)∗c

=(1+ab)c

=2+abc

a∗(b∗c)=a∗(1+bc)=1+a∗(a+bc)

=1+a+abc

It is clear that (a∗b)∗c

=a∗(b∗c)

So, * operation is not associative.

So, option (a) is correct.

When the operation is defined on the set of R by a*b-1, it is commutative rather than associative.

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The numbers in a function table follow a pattern and have inputs and outputs. By constructing an equation using variables .

A collection of numbers, or "terms," is referred to as a sequence. Examples of terms include 2, 5, and 8. Some sequences can be made endlessly long by taking advantage of a particular pattern they follow. Use the example of 2,5,8 and add 3 to continue the series. There are formulas that demonstrate where to look for words within a sequence. A collection of objects that are in some order is known as a sequence in mathematics (or events). It resembles a set in that it has pieces (also called elements or terms). the act of placing two or more items in a logical order. Chronological.

given

The numbers in a function table follow a pattern and have inputs and outputs.

By constructing an equation using variables, you may determine the rule. Make sure your rule is applicable to all possible combinations of inputs and outputs .

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q = 84

q = 4 + 0.8p  (where "p" = 100)

q = 4 + 0.8 × 100

q = 4 + 80

q = 84

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q = 84 for the equation q = 4 + 0.8p to be true, when `p` is 100.

q=4+0.8p (given)

If 'p' is equal to 100

Putting p = 100 into the above equation,

q = 4 + 0.8p

q = 4 + 0.8 × 100

q = 4 + 80

q = 84

Hence, when 'p' is 100, q would be 84 to make the equation true.

Answer: 2 17/77

Step-by-step explanation:

I assume that simplify means convert to a fraction because it is a fraction

Hope this helps !

The equation of the line passing through the points P(2, -3) & Q(-5, -3) is y = -3

An equation is a expression that shows the relationship between numbers and variables.

The standard form of a linear equation is:

y = mx + b

Where m is the rate of change and b is the y intercept

The equation of the line passing through P(2, -3) & Q(-5, -3) is:

y - (-3) = [(-3-(-3))/(-5-2)](x-2)

y + 3 = 0(x - 2)

y = -3

The equation of the line is y = -3

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The y + 9 is the variable expression represents the phrase below.

One mathematical expression makes up a term. It might be a single variable (a letter), a single number (positive or negative), or a number of variables multiplied but never added or subtracted. Variables in certain words have a number in front of them. A coefficient is the number used before a phrase.

Given:

y is the number of yellow cars.

And the expression,

"the sum of yellow cars and 9 red cars."

The expression,

= the number of yellow cars + the number of red cars

= y + 9

Therefore, y + 9 is the required expression.

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Answer: Area: (100+75π/2)cm^2 Perimeter: (10+75π/2)cm

Step-by-step explanation:

Area of total shape

= square+3 semi-circles

=100cm^2 + 5*5πcm^2*3/2 = 100cm^2+75/2*πcm^2

= (100+75π/2)cm^2

Perimeter of shape

= 10cm + 25/2π*3cm

= (10+75π/2)cm

Step-by-step explanation:

in this figure you can observe 1 cube and 3 half cirles

the flield of the square would by using a formula a(lenght) * b(height)

in this case it would be 10m * 10m = 100m

and the formula for a cirle would be

A = pir^2

knowing that we can connect two of the halfs and make a cirle with a radius of 5

A= pi 5^2

A= pi 25

25pi approximatly equals to 78.53982m

knowing that information we can devide that value by 2 and get the value of the 3rd half cirlce

which is 39.26991m

than we add all the values we collected

39.26991m + 78.53982m + 100m = 217.80973 m

a. 1750; b. 900; c. Sean 50%, Adrian = 850/3500= 24.3%, James =25.7%

step1

The sum of money of $3500 is divided among Adrian, Sean and James. Sean received half. Adrian received $850 and James received the remainder, calculate:

(a) Sean's share:

Sean received = 3500/2 = $ 1750

                        = (1750/3500)*100 = 50%

(b) James' share:

James received = 3500 - 1750 - 850 = $ 900

                          = (900/3500)*100 = 25.7 %

step2

(c) the ratio in which the $3500 is divided Amon the three persons.

Adrian :Sean: Ames = 850:1750:900 = 17:35:18

(d) the percentage of the total that Adrian received.

 Adrian received = (850/3500)*100 = 24.3 %

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A statement which is true about the given ratios include the following: C. 12/14 > 22/28.

In order to determine the statement that is true, we would evaluate each of the given ratios as follows by converting the fractions into a decimal number as follows;

9/14 is greater than 5/7 i.e 9/14 > 5/7;

Dividing both denominators by 7, we have the following:

9/2 > 5/1 = 4.5 > 5 (False).

9/14 > 5/7 = 0.64 > 0.71 (False).

5/7 is greater than 22/28 i.e 5/7 > 22/28;

Dividing both denominators by 7, we have the following:

5/1 > 22/4 = 5 > 5.5 (False).

5/7 > 22/28 = 0.71 > 0.79 (False).

12/14 is greater than 22/28 i.e 12/14 > 22/28;

Dividing both denominators by 14, we have the following:

12/14 > 22/28 = 12 > 22/2

12 > 22/2 = 12 > 11 (True).

9/14 is greater than 12/14 i.e 9/14 > 12/14;

Dividing both denominators by 14, we have the following:

9/14 > 12/14 = 9 > 12

9 > 12 (False).

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Complete Question:

Which is a true statement about the given ratios?

9/14, 22/28, 5/7, 12,14

A. 9/14>5/7

B. 5/7>22/28

C. 12/14 > 22/28

D. 9/14>12/14

The claim about the function that is false is At x = 1 and x = -1, respectively, the function has a local minimum and a local maximum.

what is function ?

The study of mathematics comprises the study of quantities and their variations, equations and associated structures, shapes and their positions, and locations where they can be found. A combination of inputs and corresponding outputs are referred to as a "function," which describes the relationship between them. The term "function" refers to an association between inputs and outputs where each input produces a single, unique result. There are two domains, or scopes, assigned to each function. Usually, the symbol f is used to signify functions (x). input is an x. There are four basic categories of functions that are available: on functions, one-to-one functions, many-to-one functions, within functions, and on functions.

given

Let y=x^x

⇒ dx/dy =x ^x (1+logx)

For increasing function,  dx/dy >0

⇒x ^x (1+logx)>0

⇒1+logx>0

⇒log e

x>log e/e

⇒x> 1/e

Therefore, the function is increasing, when x> 1/e

The claim about the function that is false is At x = 1 and x = -1, respectively, the function has a local minimum and a local maximum.

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Answer:

To find the length of the third side of a triangle for class 7, you can use the Pythagorean theorem. The Pythagorean theorem states that in a right triangle, the square of the length of the hypotenuse (the side opposite the right angle) is equal to the sum of the squares of the lengths of the other two sides.

The theorem can be written as: c^2 = a^2 + b^2, where c is the hypotenuse and a,b are the other two sides.

So, if you know the lengths of the other two sides, you can use this theorem to find the length of the third side. For example, if you know the lengths of sides a and b, you can use the following formula to find the length of side c: c = √(a^2 + b^2)

You can also use the converse of the Pythagorean theorem, which states that if the square of the length of one side is equal to the sum of the squares of the other two sides, the triangle is a right triangle.

It is always a good idea to draw a diagram to help you understand the problem and to double check the answer.

Step-by-step explanation:

The next four terms in the geometric sequence are 500, 100, 20 and 4

Sequence is a set or series of related items or events in a particular order. It can refer to a number of different things, such as a set of numbers, a set of events, or a set of objects. In mathematics, a sequence is a series of numbers or other mathematical objects that follow a particular pattern.

In the given problem, the sequence is;

312,500, 62,500, 12,500, 2,500

This is most likely a geometric sequence and we have to find the common ratio.

r = 62500 / 312500 = 0.2 or 2500 / 12500 = 0.2

The common ratio is 0.2

The next term will be the 5th term

Tₙ = arⁿ⁻¹

T₅ = ar⁴

a = first term = 312500

T₅ = 312500(0.2)⁴

T₅ = 500

The next term is 6th term

T₆ = ar⁵

T₆ = 312500(0.2)⁵

T₆ = 100

T₇ = ar⁶

T₇ = 312500(0.2)⁶

T₇ = 20

T₈ = 312500(0.2)⁷

T₈ = 4

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Answer:

Yes, you are correct!

Step-by-step explanation:

When you see a number after the decimal is larger than 5 you will round up; when you see a number after the decimal is smaller than 5, you will round down.

In this case

3.045

The number after the decimal is 0, which is smaller than 5, so we round down and get the answer 3.

The simplest way to solve the system of equations 7x + 5y = 19 and -7x - 2y = -16 would be using the method of c i.e Elimination.

Elimination, also known as the method of adding or subtracting equations. This method involves adding or subtracting the equations in such a way that one of the variables is eliminated, making it easier to solve for the other variable.

Here is one way to solve the system of equations 7x + 5y = 19 and -7x - 2y = -16 using the elimination method:

Add the two equations together:

(7x + 5y) + (-7x - 2y) = 19 + (-16)

This eliminates the x variable and gives you:

3y = 3

Divide both sides of the equation by 3 to get:

y = 1

Substitute this value of y back into one of the original equations (either 7x + 5y = 19 or -7x - 2y = -16) to find the value of x. For example, using the first equation:

7x + 5(1) = 19

7x + 5 = 19

7x = 14

x = 2

So the solution to the system of equations is x = 2 and y = 1.

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