Your answer is <span>–4.9t^2 + 15t + 1 = 0
Hope this helps.
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Using Pythagoras in the first question
c=

which is approximately 16.5
for the second question
we also use Pythagoras

Answer:
$191.59
Step-by-step explanation:
Answer:
4
Step-by-step explanation:
because 2 1/2 times 4=10
Answer:
1/2xbxh is the formula of the triangle