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3 years ago

What value of t makes P(t) = 21? A. 1 B. 2 C. 3 D. 4

Mathematics

1 answer:

Ksju [112]3 years ago

5 0

I don't understand the question, but I did get this:
$t=21/P$
Hope this helps!!

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Answer:

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Step-by-step explanation:

x = -6

Plug in the x value for each inequality:

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3 years ago

The height of the tunnel at the center is 35ft, and the vertical clearance must be 21 ft at a point of 8ft from the center. Find

Zinaida [17]

Answer:

y=-0.215x^2+35

Step by Step:

Let, $h=0$ , $k=35$ , $x=8$ , $y=21$

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$y-k = a(x-h)^2$

$\Rightarrow y=a(x-h)^2+k .........(i)$

Substitute the value of $h, k, x, y$ in equation $(i)$ and find the value of $a.$

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