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3 years ago

9

I’m lost and unsure what is the first step to do find width of da roof

1 answer:

Monica [59]3 years ago

3 0

Answer:

You set up an equation, using the trig function "tan" to find half of the roof (the equation would be tan(24) = 3.5/x, where x = 1/2 roof width)

Step-by-step explanation:

That would be the first step.

You solve the equation for x, and then multiply x by 2 to get the width of the roof.

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Evaluate the expression using the values in the left column to complete the table

egoroff_w [7]

Answer/Step-by-step explanation:

A. $4b + 3b$

Using b = 2

$4(2) + 3(2) = 8 + 6 = 14$

Using b = 4

$4(4) + 3(4) = 16 + 12 = 28$

Using b = 6

$4(6) + 3(6) = 24 + 18 = 42$

Using b = 8

$4(8) + 3(8) = 32 + 24 = 56$

Using b = 10

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Using b = 2

$4(12) + 3(12) = 48 + 36 = 84$

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Using x = 3

$3(3 - 2) = 3(1) = 3$

Using x = 5

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Using x = 7

$3(7 - 2) = 3(5) = 15$

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Using a = 5

$5(4(5) - 1) = 5(20 - 1) = 5(19) = 95$

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Using a = 7

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D. $6y - 2y + 4$

Using y = 2

$6(2) - 2(2) + 4 = 12 - 4 + 4 = 12$

Using y = 3

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Using y = 8

$6(8) - 2(8) + 4 = 48 - 16 + 4 = 48 - 12 = 36$

Using y = 6

$6(6) - 2(6) + 4 = 36 - 12 + 4 = 36 - 8 = 28$

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