16)
2 answers:
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Answer:
Trampolinist will land on the trampoline after 0.9 seconds.
Step-by-step explanation:
The function h(t) = -16t² + 15 represents the relation between height 'h' above the ground and the time 't' of the trampolinist.
We have to find the time when trampolinist lands on the ground.
That means we have to find the value of 't' when h(t) = 15 - 13 = 2
[Since trampoline is 2 feet above the ground]
When we plug in the value h(t) = 2
2 = -16t² + 15
2 + 16t² = -16t² + 16t² + 15
16t² + 2 = 15
16t² + 2 - 2 = 15 - 2
16t² = 13
t =
t ≈ 0.9 seconds
Therefore, trampolinist will land on the trampoline at 0.9 seconds.
Answer:
There will be billion messages sent or received in November.
Step-by-step explanation:
Given.
Number of text messages sent or received billion.
Increment on the very next month
Lets find what is
⇒
⇒
So we will add this value to our previous months data.
Now
Number of text messages sent in the month of November billion.
Rounding to the nearest tenth the answer will be billion.
So billion text messages were sent or received in November.
