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STatiana [176]
3 years ago
9

99-7a^2 when a =3 please help!!!!!!!!!

Mathematics
1 answer:
Oxana [17]3 years ago
6 0

Answer:

99-7a^2=36 when a =3

Step-by-step explanation:

99-7a²

99-7(3)²

99-7(9)

99-63

36

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