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sdas [7]
3 years ago
6

What is x - 3y = -9 in function form??? Help!

Mathematics
1 answer:
horsena [70]3 years ago
6 0
<h3>Answer: f(x) = (1/3)x + 3</h3>

This is basically in the form y = mx+b with m = 1/3 as the slope and b = 3 as the y intercept. I'm using f(x) in place of y to indicate function notation.

==========================================

Work Shown:

The goal is to solve for y.

x - 3y = -9

-3y = -9-x ... subtracting x from both sides

-3y = -x-9

y = (-x-9)/(-3) .... dividing both sides by -3

y = -x/(-3) - 9/(-3) ... break up the fraction

y = (1/3)x + 3 .... simplify

f(x) = (1/3)x + 3 .... replace y with f(x)

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maxonik [38]

Answer:

The value of x is 6

Step-by-step explanation:

we know that

If two angles are supplementary, then their sum is equal to 180 degrees

so

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m∠C+m∠E=180°

we have

m∠C=112°

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substitute and solve for x

112°+(3x+50)°=180°

3x+162=180

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3x=18

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7 0
3 years ago
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You are wrapping a gift box that is 16 inches long, 7 inches wide, and 9 inches tall. Find the amount of wrapping paper you need
Svetach [21]

Answer:

638 in.²

Step-by-step explanation:

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where

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L = length of base

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we multiply this by 3, and get

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90 miles in 4 hours (180 minutes) :)

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