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Elina [12.6K]
4 years ago
7

Find the difference (2ab-9a+3)-(9ab+7)

Mathematics
1 answer:
Fofino [41]4 years ago
4 0
-7ab-9a-4 because u have to combine like terms and then subtract if that makes any sense
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Find the m∠BCA, if m∠DCE = 70° and m∠EDC = 50°.<br><br> 50°<br> 60°<br> 70°<br> 80°
lara [203]
Because of the parallel lines, angles A and DCE are congruent.
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m<DCE = 70 and m<EDC = 50, so m<E = 60

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5 0
3 years ago
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Answer:

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7 0
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Answer:

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