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____ [38]
3 years ago
5

A punter kicks a football into the air. The pathway of the football can be represented by the equation h=-16t^2+82t (where t= ti

me in seconds and h= height in feet.) what was the maximum height of the ball and what time was the maximum height reached?
Mathematics
2 answers:
Phantasy [73]3 years ago
8 0

Answer:64

Step-by-step explanation:

maxonik [38]3 years ago
7 0

Answer:

2fiftguvvbbhb to the following ad listing has ended on the same to ensure everyone I r

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An arrow is shot vertically upward at a rate of 210 feet per second. Use the projectile formula h = −16t2 + v0t to determine at
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Answer:

Time equal to 3.30 seconds when the arrow was going up.

Time equal to 7.94 seconds when the arrow was going down.

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3 years ago
Rewrite the expression in terms of the given function 1/1-sinx - sinx/1+sinx
Feliz [49]
Your question seems a bit incomplete, but for starters you can write

\dfrac1{1-\sin x}-\dfrac{\sin x}{1+\sin x}=\dfrac{1+\sin x}{(1-\sin x)(1+\sin x)}-\dfrac{\sin x(1-\sin x)}{(1+\sin x)(1-\sin x)}=\dfrac{1+\sin x-\sin x(1-\sin x)}{(1-\sin x)(1+\sin x)}

Expanding where necessary, recalling that (1-\sin x)(1+\sin x)=1-\sin^2x=\cos^2x, you have

\dfrac{1+\sin x-\sin x(1-\sin x)}{(1-\sin x)(1+\sin x)}=\dfrac{1+\sin x-\sin x+\sin^2x}{\cos^2x}=\dfrac{1+\sin^2x}{\cos^2x}

and you can stop there, or continue to rewrite in terms of the reciprocal functions,

\dfrac{1+\sin^2x}{\cos^2x}=\sec^2x+\tan^2x

Now, since 1+\tan^2x=\sec^2x, the final form could also take

\sec^2x+\tan^2x=\sec^2x+(\sec^2x-1)=2\sec^2x-1

or

\sec^2x+\tan^2x=(1+\tan^2x)+\tan^2x=1+2\tan^2x
7 0
4 years ago
Which statement describes the graph of f(x) = [x] - 2 on [0, 3)?
Dima020 [189]

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A

Step-by-step explanation:

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3 years ago
-5x+8y=42 find the value of y when x equals 6
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Y=9 is the answer.....
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An economist wants to estimate the mean per capita income (in thousands of dollars) for a major city in Texas. Suppose that the
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