3 years ago

(PLEASE HELP GIVING BRAINLIEST) Do each of the following represent a direct variation? If so, what is constant of a variation?

Mathematics

1 answer:

Lynna [10]3 years ago

7 0

mark me as the brainlest answer please

then I will answer your all questions.

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Please help! 20 points thanks :)

Reika [66]

Answer:

-5

Step-by-step explanation:

The equation for slope is:

$Slope=\frac{y_2-y_1}{x_2-x_1}$

We can plug in the given coordinates into the equation:

$Slope=\frac{-2-3}{3-2}=\frac{-5}{1}=-5$

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2 years ago

A bookshelf is 45 inches wide. How many 1 & 1/2 inch wide books will fit on the bookshelf? *

andriy [413]

Answer:

30 books

Step-by-step explanation:

bookshelf is 45 inches

each book is 1 1/2 inches

45 / 1 1/2 = 30

30 books can fit on the shelf

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2 years ago

7(x-2)-3(3+x)<1 Solve the inequality

Zarrin [17]

7(x - 2) - 3(3 + X) greater than 1

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x is greater than 6

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3 years ago

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Simplify the expression x + 5+ 3.

JulsSmile [24]

Answer:

x + 8

Step-by-step explanation:

x + 5 + 3.

add the numbers

↓

x + 8

8 0

3 years ago

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If DE≅EF, CD = v + 45, and CF = 4v, what is the value of v?

irinina [24]

Answer:

<h2>since DE≅EF</h2>

CD=CF (cpct)

$v + 45 = 4v \\ 4v - v = 45 \\ 3v = 45 \\ v = \frac{45}{3} \\ v = 15$

<h2>hope it helps you<3</h2>

3 0

3 years ago