3 years ago

I need help with finding the equations of a line!!!

1 answer:

7 0

M = Y / X

m = [1 - (-2) ] / [2 - (-2)]

m = (1+2) / (2+2)

m = 3 / 4

Using (2,1)

y - yo = m (x-xo)

y - 1 = 3/4 (x-2)

Or

(-2,-2)

y + 2 = 3/4 (x+2)

D and F

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The sum of two numbers is 39. the second number is 6 more than half of the first number. let a represent the firstnumber and let

sweet-ann [11.9K]

Answer:

a = 22
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Step-by-step explanation:

Givens

Let a = the first number

Let b = the second number

Equations

a + b = 39

b = 1/2 * a + 6

Put the second equation into the first one

a + 1/2 * a + 6 = 39 Simplify the left.

(3/2)a + 6 = 39 Subtract 6 from both sides

(3/2)a + 6 - 6 = 39 - 6 Combine

(3/2)a = 33 Multiply both sides by 2

3a = 33*2

3a = 66 Divide both sides by 3

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b = 1/2 a + 6

a = 22

b = 1/2 * 22 + 6

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b = 17

Check

22 + 17 = 39

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-2x

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Answer:

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Answer:

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