Carmen has taken out a loan for $800 to buy a car. she plans to pay back the loan at a rate of $40 per month. ramona has borrowed $500 to buy a car, which she plans to pay back at a rate of $20 per month. how long will it take ramona to pay back her loan? a. 25 months b. 20 months c. 15 months d. 10 months please select the best answer from the choices provided a b c d

Based on the given task content; the simplification of 7x - x to its simplest form is 6x.

Simplify 7x - x

7x and -x

So,

7x - x

= 6x

Therefore, 6x is the result of the simplification of 7x - x to its simplest form.

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If the equation is y=15x+100 then the coordinate (0,100) of the equation shows that Jared had $100 when he started his saving.

Given an equation y=15x+100 that shows the amount of money saved by Jared for his bike based on the number of months that have passed.

We are required to find what the coordinate (0,100) mean in the context of the equation.

Equation is like relationship between two or more variables that are expressed in equal to form. Equations of two variables look like ax+by=c.It may be linear equation, quadratic equation, cubic equation or many more dependng on the power of variable present in that equation.

When we put x=0 in the equation we get the following:

y=15*0+100

y=100

It means that he had $100 in the beginning when he just started doing his savings.

Hence if the equation is y=15x+100 then the coordinate (0,100) of the equation shows that Jared had $100 when he started his saving.

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Answer: Option 1

Step-by-step explanation:

The graphs intersect at x=0 and x=2.

The answer that represents the point where f(x) = g(x) is; A: f(2) = g(2) and f(0) = g(0)

A function in math is visualized as a rule, which gives a unique output for every input x. Mapping or transformation is used to denote a function in math.

Given is a graph we need to find the point of intersection where f(x) = g(x)

How to find the coordinates of Intersection :-

From the attached graph, we see that is represents the relationship between the functions f(x) and g(x).

Now, the coordinates of the points where f(x) = g(x) will be the coordinates of the points where both graphs intersect.

The first point of intersection, we see that;

f(0) = g(0) = 4

Second point shows;

f(2) = g(2) = 0

Thus, we can conclude that;

f(2) = g(2) and f(0) = g(0)

Hence, the answer that represents the point where f(x) = g(x) is; A: f(2) = g(2) and f(0) = g(0)

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The order that will result in a final output of -31 when the first input is 0 is as follows; Third → Second → Fourth → First

First gives;

y = -2·x + 34 = 18

Second gives;

y = -x/3 - 10 = -38/3

Third gives;

= -24

Fourth gives;

y = (x - 2)² = 36

We have after several iterations;

Third gives,

= -24

Next we input into the second to get,

y = -(-24)/3 - 10 = 24/3 - 10 = 8 - 10 = -2

Next we input into the fourth to get,

y = ((-2) - 2)² =  (-4)² = 16

Next we input into the first to get,

y = -2×16 + 34 = -32 + 34 = 2

Which gives the order as follows;

Third → Second → Fourth → First

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The area around the given curve according to the green theorem is [tex]F. dr = 0[/tex].

According to the statement

we have to find the area enclosed by the simple closed curve that encloses the origin.

So, We know that the

The given equation is

[tex]f(x,y) = \frac{2xyi + (y^{2} - x^{2} ) j}{(x^{2} + y^{2} )^{2} }[/tex]

and

If function is in form of,

[tex]F = Pi + Qj[/tex]

and C is any positively oriented simple closed curve that encloses the origin.

Then,by use of Green's theorem

Do the partial differentiation of the given function

Then

[tex]\frac{dQ}{dx} = \frac{2x^{3} - 6xy^{2}}{(x^{2} + y^{2} )^{3}}[/tex]

and

[tex]\frac{dP}{dy} = \frac{2x^{3} - 6xy^{2}}{(x^{2} + y^{2} )^{3}}[/tex]

On substitution in Green's theorem,

We get the value

[tex]F. dr = 0[/tex]

From this it is clear that the area around the given curve is zero.

So, The area around the given curve according to the green theorem is [tex]F. dr = 0[/tex].

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The cross section of a right circular cone parallel to its base is a circle.

A three dimensional shape is a shape that has length, width and height. Examples of three dimensional shapes are cone, cylinder, prism and pyramid.

A two dimensional shape is a shape that have both length and width. Examples of two dimensional shape are circle, rectangle, square.

A cone is a three-dimensional solid geometric shape having a circular base and a pointed edge at the top

The cross section of a right circular cone parallel to its base is a circle.

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Anja is correct that the histogram is skewed to the right

According to the statement

we have given that the anja collected the data and created the histogram and after analyzing we  have to tell that her claim is correct or not.

So, she collected the data:

A graph shows number of dogs labeled 0 to 2 on the horizontal axis and frequency on the vertical axis. 0 dogs at frequency 20. 1 dog at frequency 15. 2 dogs at frequency 12.

we know that the

Histogram is is an approximate representation of the distribution of numerical data.

and after making the histogram we see that

The histogram is skewed to the right because there is less data on the right side.

So, Anja is correct that the histogram is skewed to the right.

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Answer:

D: She is correct; the histogram is skewed to the right because there is less data on the right side.

The smallest surface area of cubic rectangular boxes = 96 ft²

An object with three dimensions is solid and has both height and depth. A sphere and a cube, for instance, have three dimensions, whereas a circle and a square do not.

A three-dimensional shape's total surface area equals the sum of its side's surface areas. The measured area of all surfaces of three-dimensional solids, such as cubes, spheres, prisms, and pyramids, is expressed in square units.

Since it is a closed rectangular box so, there will be two equal sides.

Volume = 64 ft³

Volume of rectangular cube = hx²

Surface area of rectangular cube = 2x²+4hx

Equating the above equation we get, hx² = 64

                                                               h=64/x²

Put the value of h in surface area formula,

S = 2x² + 4(64/x²)*x

S = 2x² + 256/x

For the surface area to be minimum,

ds/dx = 0

4x - (256/x²) = 0

4x³ = 256

x³ = 64

x = 4 ft

Therefore, the smallest surface area

= 2(4)² + (256/4)

S = 32 + 64

= 96 ft²

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Answer:

9

Step-by-step explanation:

We can tackle the individual parts and combine

1/5 of the sum of 9 and 6 means 1/5 * (9 + 6)

The quotient of 18 divided by the sum of 2 and 4 is 18 / (2 + 4)

Combing everything gives us (1/5 * (9 +6)) * (18 / (2 + 4)

(1/5 * 15) * 18/6

3 * 3 = 9

Answer:

x(x-1)^2

Step-by-step explanation:

x(x^2-2x+1)

x(x-1)(x-1)

(x-1)(x-1)=(x-1)^2

Answer:

  a = 144

  b = 67

Step-by-step explanation:

Where a transversal meets parallel lines, consecutive interior angles are supplementary.

  a° +36° = 180° . . . . . . consecutive angles are supplementary

  a = 144 . . . . . . . . . . divide by ° and subtract 36

  b° +113° = 180° . . . . . . consecutive angles are supplementary

  b = 67 . . . . . . . . . . divide by ° and subtract 113

The volume of box B is (A) 864 cubic meters.

To find the volume of box B:

= 864 cubic meters.

Therefore, the volume of box B is (A) 864 cubic meters.

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The complete question is given below:

Box A has a volume of 32 cubic meters. Box B is similar to box A. To create box B, box A's dimensions were tripled. What is the volume of box B?

a. 864 m3.

b. 288 m3.

c. 96 m3.

d. 32 m3

7.1 cm  long is the arc intersected by a central angle .

What is length of an arc?

Given,

Central angle = π / 2

radius = 4.5 cm

we apply formula of length of arc.

length of the arc = angle ×  radius

                              = (π/2) × (4.5 cm)

Now put value of π = 3.14

length of the arc = (3.14 / 2) × (4.5) cm

                            = 7.065 cm ≈ 7.1 cm

Therefore, 7.1 cm  long is the arc intersected by a central angle .

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When a detailed scoring guide or rubric is used to score open-ended questions, the result is scored.

The scoring guide assign points to special degrees of student performance. Instructors use them when a scholar's response can earn a number of the full possible factors, commonly for built-reaction items and performance responsibilities.

Rubrics and scoring guides were implemented into cutting-edge classrooms to offer college students higher know-how of what's being assessed, what standards grades are primarily based upon, and what clean and compelling product standards are addressed.

Even as scoring guides illustrate how college students can earn a certain amount of points for precise questions and responses, rubrics assign ratings primarily based on how well a pupil's reaction meets a degree of overall performance.

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The number that could represent the number of students in class is = X + 2x

Let us take the number of boys to be = X

Then the number of girls is twice that of the boys. That is, y = 2x

Therefore the total number of students in the class z = X + 2x

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It exists not linear the curve indicates that the rate of change exists not constant.

Linear functions exist as those whose graph exists as a straight line. A linear function exists that can be characterized by the equation

y = mx + c, Where m exists the slope and c exists the intercept on the

y-axis. A linear function contains one independent variable and one dependent variable.

Therefore, the correct answer is option c) No, because the curve indicates that the rate of change is not constant.

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The value of Z in given equation is -55.

According to the statement

We have given that a linear equation which is

2 = 1/5z +13

And from this equation we have to find the value of the z.

So, For this purpose

we know that the

A linear equation is an algebraic equation of the form y=mx+b. involving only a constant and a first-order (linear) term, where m is the slope and b is the y-intercept.

So, The equation is

2 = 1/5z +13

1/5z +13-2 = 0

1/5z +11 = 0

z = -11*5

z = -55

here z + 55 =0

So, The value of Z in given equation is -55.

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The volume of the 0.3% concentration of sodium fluoride required to mix with 100mL of a strong toothpaste with a 1.1% concentration of sodium fluoride to create a blend with a 0.8% concentration of sodium fluoride is 60 mL.

Mixtures refers to substances which are composed of two or more substances physically combined together.

The 1.1% concentration of sodium fluoride will form a mixture with the 0.3% concentration sodium fluoride.

Let the volume of the 0.3 % concentration toothpaste required be x.

Final volume of toothpaste = (100 + x) mL

Amount of mixture = 0.8 * (100 + x)

100 ml * 1.1 + x * 0.3 = 0.8 * (100 + x)

solving for x

110 + 0.3x = 80 + 0.8x

110 - 80 = 0.8x - 0.3x

30 = 0.5x

x = 60

Therefore, 60 mL of the 0.3% concentration of sodium fluoride is required.

In conclusion, the volume of the weaker solution of the sodium fluoride solution required is obtained from the method of mixtures.

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Step-by-step explanation:

solution

here

15×5

=75inches

The variable that you would have to plot on the y axis (height) is the dependent variable while the variable that is on the x axis (arm span) is the independent or the explanatory variable.

The slope was gotten through the use of the points  (37,39) and (19,25)

This gave the slope of 7/9. This tells us that  height of the person got to be raised by 7/9 inches when arm span increases by 1 inch.

From the given model, a person that has the arm span of 66 would have the height of

12 + 7/9 * 66

= 63.3 inches

A person who is  74 inches height the arm span of = 62*9/7

= 79. 71 inches.

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Answer:

7.

Step-by-step explanation:

Calculate the means for each group:

mean of 0-4 is 2

mean of 5-9 is 7

mean of 10-14 is 12

Mean = (Sum of frequencies * mean) / sum of frequencies

= required mean = [ (2(2) + 1(7) + 2(12)] / (2+1+2)

=  35/ 5

= 7.

Answer:

5/10

Step-by-step explanation:

0.5 is 5/10 as a decimal. Any number that can be written as a fraction or a ratio is a rational number, so, since 0.5 can be written as 5/10, it’s a rational number.

to find the fraction of losses, we need to divide the total amount of losses by the total amount of games played.

if we know that the Rangers won 14 games but they played 25, we can write an equation to find the amount of games lost.

14 + n = 25, where n equals the amount of losses.

now we isolate by moving the 14 to the other side. to do this, we must subtract 14 from both sides, leaving us with n = 11. now we know they lost 11 games.

to find the fraction of lost games, all we need to do is divide 11 by 25 without completing the division. that leaves us with 11/25.

the Rangers lost 11/25 games during the season

hope this helped!!

The rate of change of the height is [tex]\frac{1}{9}[/tex] in/min.

A right circular cylinder is a cylinder that has a closed circular surface having two parallel bases on both the ends and whose elements are perpendicular to its base. It is also called a right cylinder.

Volume of the cylinder = [tex]\pi r^{2}h[/tex]

Rate of change of height is  [tex]\frac{dh}{dt}[/tex] = ?

At any time t,

Volume, V =  [tex]\pi r^{2}h[/tex]

Since r does not change with time, then r is a constant, so,

V =  [tex]\pi (6)^{2}h[/tex]

V = [tex]36\pi h[/tex]

Differentiate both sides with respect to time t,

[tex]\frac{dV}{dt} = 36\pi \frac{dh}{dt}[/tex] -------------(i)

Since [tex]\frac{dV}{dt}[/tex]is given as 4[tex]\pi[/tex] cu.in. per min,

[tex]4\pi = 36\pi \frac{dh}{dt}[/tex]

[tex]\frac{dh}{dt} = \frac{4\pi }{36\pi }[/tex]

[tex]\frac{dh}{dt} = \frac{1 }{9 }[/tex] in/min.

Hence, The rate of change of the height is [tex]\frac{1}{9}[/tex] in/min.

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If (x+5) is a factor of f(x) then the condition that will be true is f(-5)=0.

Given that (x+5) is a factor the polynomial f(x) and we are required to be the condition that will be true.

Polynomial is combination of algebraic terms may be in addition, subtraction, multiplication and division. If the highest power of variable in polynomial is one then it is said to be monomial ,If the highest power of variable in polynomial is two then it is said to be binomial,If the highest power of variable in polynomial is three then it is said to be trinomial and many more polynomials.

Factors are the numbers which when multiplied gives the number whose factors they are.

It is given that (x+5) is a factor of f(x).

Put (x+5)=0

x=-5

means when we are putting x=-5 then we will get 0.

Hence if (x+5) is a factor of f(x) then the condition that will be true is f(-5)=0.

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Kathy has 22 more Euros than British pounds.

Linear equation is an algebraic equation that is a representation of the straight line. Linear equations are composed of variables and constants. These equations are of first-order, that is, the highest power of any of the involved variables i.e. 1. It can also be considered as a polynomial of degree 1. Linear equations containing only one variable are called homogeneous equations. The corresponding variable is called the homogeneous variables.

For instance,

300 / 2 = 150 dollars.

150 /1.64 = 91.46 British pounds

150 /1.32 =113.64 Euros

113.64 - 91.46 =22.18 ≅ 22

Thus Kathy has 22 more Euros than British pounds.

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Using it's formula, it is found that the monthly payment should be of $688.49 in order to pay off the debt in 15 years.

It is given by:

[tex]A = P\frac{\frac{r}{12}\left(1 + \frac{r}{12}\right)^n}{\left(1 + \frac{r}{12}\right)^n - 1}[/tex]

In which:

For this problem, the parameters are given as follows:

A = 90000, r = 0.045, n = 15 x 12 = 180.

Hence:

r/12 = 0.045/12 = 0.00375.

Then we solve for A to find the monthly payment, as follows.

[tex]A = P\frac{\frac{r}{12}\left(1 + \frac{r}{12}\right)^n}{\left(1 + \frac{r}{12}\right)^n - 1}[/tex]

[tex]A = 90000(0.00375)\frac{(1.00375)^{180}}{(1.00375)^{180} - 1}[/tex]

A = $688.49

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Answer: Statistical

Step-by-step explanation:

I think its statistical because its quantitative data, meaning you can count it.