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Sonbull [250]
3 years ago
14

NEED THIS ASAP Find QA. A.4 b.-4 c.16 d.28

Mathematics
1 answer:
stich3 [128]3 years ago
3 0

Answer:

d. 28

Step-by-step explanation:

7<em>x</em> = 3<em>x</em> + 16

subtract 3<em>x</em> from both sides: 4<em>x</em> = 16

divide both sides by 4: <em>x</em> = 4

plug in four to find length of QA: 3 x (4) + 16 = 12 + 16 = 28

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