Please help with this question!!?

Mathematics

1 answer:

balu736 [363]3 years ago

8 0

Answer:

6 seconds

Step-by-step explanation:

The ball will hit the ground when its height is 0, so you can plug this into the equation to find your answer.

-16t^2+96t=0

Factoring out -16t, you get:

-16t(t-6), meaning that the solutions are 0 and 6 seconds. Since 0 is the starting point, the answer is 6 seconds. Hope this helps!

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Why not start out by writing a linear relationship for the plant height?

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After 3 years (36 months), the plant ht. is h(36) = 118 mm.

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Answer:

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Revisar fotografía adjunta.

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Artyom0805 [142]

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3 years ago

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Naya [18.7K]

Let's say that number is hmmm "a"

now.. twice "a" is 2*a or 2a
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\\\\\\
a^2-2a^2-143=0\implies (a-13)(a+11)=0
\\\\\\
\begin{cases}
a-13=0\implies &a=13\\
a+11=0\implies &\boxed{a=-11}
\end{cases}$

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