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Nataliya [291]
3 years ago
7

Solve for x. x = 5° x = 18° x = 30° x = 36°

Mathematics
1 answer:
sergij07 [2.7K]3 years ago
3 0

Answer:

x=36

Step-by-step explanation:

The 2 angles, ∠EAF and ∠FAB are on a straight line. This means they are supplementary, and add to 180 degrees.

So,

∠EAF  +∠FAB =180

We know that ∠EAF is 3x and ∠FAB is 2x, so we can substitute them in

3x+2x=180

Combine like terms

5x=180

Divide by 5 on both sides

x=36

So, x=36 degrees, or the last choice

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Fourth, once again, we need to get 'f' alone. Divide both sides by 18. 
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Fifth, now that we have 'f' by itself, we can simplify the current fraction. To do so, we need to start off with listing the factors of 4 and 18 and find the greatest common factor (GCF).

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Factors of 18: 1, 2, 3, 6, 9, 18

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Sixth, divide the numerator and denominator by the GCF (2).
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Seventh, we can now rewrite our fraction in simplest form and switch sides.
f =  \frac{2}{9}

Answer in fraction form: \fbox {2/9}
Answer in decimal form: \fbox {0.2222}

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3 years ago
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Answer:

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