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olga55 [171]
3 years ago
9

The sum of three numbers is 87. The third number is 2 times the second. The first number is 7 more that the second. What are the

numbers?
Mathematics
1 answer:
Marysya12 [62]3 years ago
3 0
<span>19 + 57 + 9 = 85 
Do you need farther explaining</span>
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Answer:

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Step-by-step explanation:

Use the Triangular Interior Angles Theorem to figure this out:

180° = [7x + 1]° + [6x - 6]° + 55°

180° = [−5 + 13x]° + 55°

180° = [50 + 13x]°

-50° - 50°

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You then plug this back into all three expressions to get 71° as the measure of ∠G and 54° as the measure of ∠T.

I am joyous to assist you anytime.

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