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3 years ago

Please tell me easy way I can solve for the answer

Mathematics

1 answer:

Tanya [424]3 years ago

7 0

Answer:

y+21 = -4(x-7)

Step-by-step explanation:

well first you need to find slope what is y2-y1 over x2-x1

23-(-21) ----> 23+21 = 44

-4 - 7 ---> -4 + -7 = -11

so it 44/-11 = -4 is the slope

now choose one pair of points like 7 , -21 and plug them in

y-y1 = m(slope)(x-x1)

so it be y+21 = -4(x-7)

also remember two negatives = a postitive

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2 years ago

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daser333 [38]

Answer:

x ≈ 18.7

Step-by-step explanation:

This is a big equation, so let's break it down a bit.

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Let's start by isolating the radical which is x.

So subtract 4 from both sides :

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Now multiply both sides by 2 to get rid of the fraction :

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Now divide both sides by 3 to get rid of the number out of the poly root :

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To get the answer, you multiply 25% by 395.
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790
000
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