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y=0
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y=28.125-0.02\times 37.5^{2}
Multiply 0.75 and 37.5 to get 28.125.
y=28.125-0.02\times 1406.25
Calculate 37.5 to the power of 2 and get 1406.25.
y=28.125-28.125
Multiply 0.02 and 1406.25 to get 28.125.
y=0
Subtract 28.125 from 28.125 to get 0.
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