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GREYUIT [131]
3 years ago
6

Substitute the given values into the formula, and solve for the unknown variable.

Mathematics
1 answer:
Step2247 [10]3 years ago
3 0
21=1/2h(2+5)
21=1/2h+7
21
-7
14=1/2h

14 divided by 1/2 equals 28

h=28
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