3 years ago

What is the value of a when 3b−2a=17 and 4a+4b=−64?

Mathematics

1 answer:

ycow [4]3 years ago

5 0

Answer:

(-b-81)/6=a

Step-by-step explanation:

3b−2a-17 = 4a+4b+64

3b-4b-17-64=4a+2a

-b-81=6a

(-b-81)/6=a

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8 0

2 years ago

Someone help pls :,)

Semenov [28]

Answer:

W = 87 degrees

Step-by-step explanation:

First we can rearrange the question so that W is isolated on the left side, which we do by dividing both sides by tan:

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Now we can use the inverse tan function on the calculator ( $tan^{-1}$ ) to calculate it:

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Hope this helped!

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