3 years ago

Please help me solve for x

Mathematics

1 answer:

ohaa [14]3 years ago

7 0

Answer:

You would do this problem like a normal varible problem. x=10

Step-by-step explanation:

Since 9x is a right angle the inside would also be 9x

9x+4x+10+40=180

180 because that is how much a triangle equals

combine like terms

13x+50=180

subtract 50 from both sides

13x=130

divide by 13

x=10

Hope this helps!

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<img src="https://tex.z-dn.net/?f=f%28x%29%20%3D%20%20%7Bx%7D%5E%7B3%20%7D%20%20%2B%20%20%7B3x%7D%5E%7B2%7D%20-%209x%20%2B%205"

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