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allsm [11]
2 years ago
5

Answer the following questions using the graph at the right (attatched). The graph shows the height h in feet of a snowball t se

conds after it is launched. The path of the snowball is given by the equation: h = -16t^2 + 128t
How long is the snowball in the air? Explain how you know the answer based on the graph

Mathematics
1 answer:
Mariulka [41]2 years ago
7 0

Answer:

8secs

Step-by-step explanation:

To calculate how long the ball stays in air, we need to find the time it takes to reach the max height first

The ball reaches its max height when dh/dt = 0.

-32t+128=0

32t = 128

t = 128/32

t = 4secs

The time the ball spent in air will be;

t = 2(4)

t = 8secs

Hence the ball spent 8secs in air

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15/45=1/3

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Vicki would like to estimate the probability of tails coming up fewer than 2 times in 3 coin flips.
Ganezh [65]

Answer:

0.4

Step-by-step explanation:

Vicki has a computer randomly select 0 or 1 three times, with 0 representing <u>heads</u> and 1 representing <u>tails</u>. The results of 15 trials are shown in the table.

110    111   000    011   000

010   101   100   000   000

111     101    110     101    111

Vicki would like to estimate the probability of tails (1) coming up fewer than 2 times (must be 0 or 1 digit 1 in record). All such seuences are marked in bold int the above table. There are 6 such trails. Hence, Vicki's estimated probability, based on this simulation is

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6 0
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How much is in the account after year 6 ??
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I think the answer is c 
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hope it helps

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