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Nookie1986 [14]
3 years ago
15

Which is a reasonable first step that can be used to solve the equation 4X+3(x+2) = 5(2x-3)?

Mathematics
2 answers:
Bezzdna [24]3 years ago
3 0

Answer:

The reasonable first step would be to distribute.

Step-by-step explanation:

4x+3(x+2)=5(2x-3)

4x+3x+6=10x-15

7x+6=10x-15(subtract 7x from left side, to the right side, add 15 to the left side)

21=3x (Divide both sides by 3)

7=x

garri49 [273]3 years ago
3 0

Answer: A

Step-by-step explanation:

I just took the test

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stepan [7]
Answer: 39.2

Check out the attached image

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

Explanation:

Draw out the triangle or use the diagram provided by your teacher. It should look something similar to what I've attached. 

Let m = length of side XZ

We are given that
angle Y = 75 degrees
angle Z = 67 degrees
which are the green angles shown in the diagram

Use the fact that the three angles (X,Y,Z) add to 180 degrees to find angle X
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Now use the law of sines to find m
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So XZ is roughly 39.2 feet in length

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