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eduard
2 years ago
12

−\frac{7}{10} ÷\frac{2}{5}

Mathematics
1 answer:
bazaltina [42]2 years ago
3 0
$$ −\frac{7}{10} \div\frac{2}{5}= \frac{-7}{4} $$ . totally answer. I hope helping with this answer
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Answer:

18° and 72°

Step-by-step explanation:

The angle measures are unknown, so they will be represented with the variable, x.  Since, one angle is 4 times the other, this will be represented with 4x.

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Now solve for x.

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Now find the second angle.

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plugin 18 for x and multiply

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2 years ago
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3 years ago
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2 years ago
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3 years ago
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