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SSSSS [86.1K]
2 years ago
12

9/16,-9/8,9/4,-9/2,9,(?)

Mathematics
1 answer:
xxMikexx [17]2 years ago
6 0

Hello from MrBillDoesMath!

Answer:

-18



Discussion:

I immediately noticed that  9/16 times -2 is the next term (-9/8) and  -9/8 times -2 is, again, the next term (9/4). Continuing like this gives


(9/4) * (-2) = - 9/2

(-9/2)*(-2)  = 9

9 * (-2) = -18

which is the desired answer



Thank you,

MrB

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From eqn 1,

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<em><u>Substitute eqn 3 in eqn 2</u></em>

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