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Art [367]
3 years ago
9

Simplify the expression: 8a + 9(7 + 10a)

Mathematics
1 answer:
Irina18 [472]3 years ago
3 0

Answer:

8a+9(7+10a)

8a+63+90a

8a+90a+63

98a+63.

Thank you.

BY GERALD GREAT.

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Can anyone help with 19-22 with work shown I’m really confused
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19.  C

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If an angle is subtended from an arc and it goes to the opposite end of the circle, the angle is HALF of the measure of the arc. If it goes to the center, it is SAME measure as arc.

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