giovney
06.09.2020 •
Mathematics
If h(t) = -4t + 40, what is t if h(t)=20?
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Ответ:
Step-by-step explanation:
So we know that:
And we want to figure out t such that h(t)=20.
So, substitute 20 for h(t):
Now, solve for t. Subtract 40 from both sides:
Divide both sides by -4:
And we're done!
Ответ:
8-
Step-by-step explanation: