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Tobika asked Feb 10, 2023

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33 votes

Any answers I need help

Mathematics
high-school

Tobika asked Feb 10, 2023

by Tobika

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Explanation:

A+B=180

(9×+15)×(3×-15)=180

12×=180

×=180\12

×=15 ans,,

Solar answered Feb 13, 2023

by Solar

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16 votes

Answer:

(A) 21

Explanation:

5x-15 needs to equal 90 since it is a right angle and 21 makes that true

$(5*21)=105\\105-15=90$

DBAndrew answered Feb 17, 2023

by DBAndrew

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