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scoray [572]
3 years ago
15

Explain what it means for two variables to be directly related

Mathematics
2 answers:
Nina [5.8K]3 years ago
6 0
It would be considered "like terms"
it is when there is two of the same variables, exponents.
Karolina [17]3 years ago
4 0
It means that both variables are related in a way that one change in a variable, will result in a change in the other. 
<span>There is Directly related and Inversely related. </span>
<span>Directly is when one change happens to one variable, an equal change will happen to the other. </span>
<span>Inversely is when one change happens to one variable, an opposite change will happen to the other. </span>
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Select the equation corresponding to the red line in this diagram:
ki77a [65]

Answer:

\boxed{\text{C. y = -2x + 8}}

Step-by-step explanation:

The equation of a straight line is

y = mx + b,

where m is the slope and b is the y-intercept.

Your graph passes through the points (0,8) and (7, -6).

m = \dfrac{\Delta y}{\Delta x} = \dfrac{y_{2}-y_{1}}{x_{2} -x_{1} } = \dfrac{-6 - 8}{7 - 0}= \dfrac{-14}{7} = \mathbf{-2}

The y-intercept is at y = 8.

\text{Thus, the equation for your line is }\boxed{\mathbf{y = -2x + 8}}

8 0
3 years ago
What is the slope of the line represented by the values in the table?
Alina [70]

Answer: 2

Step-by-step explanation:

\frac{-2-14}{2-10}=\frac{-16}{-8}=\boxed{2}

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2 years ago
The perimeter of a rectangle is 72 in. The base is 3 times the height. Find the area of the rectangle
Ulleksa [173]

Answer:

243 inches squared

Step-by-step explanation:

1) The total perimeter for each part is 8x.

2) 72 divided by 8 = 9

3) height = 9 base = 27

4) 9 x 27 = 243 inches squared

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