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exis [7]
3 years ago
8

D2 =81-1 find the positive value of d that makes the equation true

Mathematics
1 answer:
Lubov Fominskaja [6]3 years ago
4 0
81-1= 80
80 / 2 = 40
D = 40
So:
40(2) = 81 - 1
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