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3 years ago

Please help me solve for13 and 14

Mathematics

1 answer:

deff fn [24]3 years ago

4 0

Answer:

13. A

14. True

Step-by-step explanation:

The months cancel out because they are the same unit in the right positions, and all you have to do for the second one is multiply

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3 years ago

Write the slope-intercept form of the equation of the line.

Semenov [28]

Answer:

y = x + 2

Step-by-step explanation:

First, find the slope.

(y2 - y1 / x2 - x1)

I'm going to use (0,-2) and (2,0) as my points.

Find the slope.

(-2) - 0 / 0 - 2= -2 / -2 = 1

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3 years ago

8. Suppose y varies directly as x. If y = -4 when x = 32, find x when ys -0.

Nata [24]

Answer:

$x=0$

Step-by-step explanation:

we know that

A relationship between two variables, x, and y, represent a proportional variation if it can be expressed in the form $y/x=k$ or $y=kx$

in this problem

For x=32, y=-4

Find the value of the constant of proportionality k

$k=y/x$

substitute

$k=-\frac{4}{32}$

simplify

$k=-\frac{1}{8}$

The linear equation is

$y=-\frac{1}{8}x$

Find x when the value of y=0

Remember that

In a proportional relationship <u><em>the line passes through the origin</em></u>

If y=0

then

the value of x must be equal to zero

therefore

$x=0$

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4 years ago