3 years ago

Can someone tell me the answer ASAP no need explain

Mathematics

1 answer:

kramer3 years ago

8 0

ITS 8 THIS IS ONE OF THE MOST COMPLEX ANSWERS

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vladimir1956 [14]

There isn't enough info to determine that, I believe. You would need an equation that would allow me to determine the minimum output for an A.

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3 years ago

You have a basketball trophy in your room. The ball on the trophy has a diameter of 9 inches. What the volume of the ball?

saveliy_v [14]

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381.51 in^3

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A ball is thrown from a height of 38 meters with an initial downward velocity of 3 m/s

ANTONII [103]

<h2>Hello!</h2>

The answer is:

The ball will hit the ground after $t=2.47s$

Since we are given a quadratic function, we can calculate the roots (zeroes) using the quadratic formula. We must take into consideration that we are talking about time, it means that we should only consider positive values.

So,

$\frac{-b+-\sqrt{b^{2} -4ac} }{2a}$

We are given the function:

$h=-5t^{2}-3t+38$

Where,

$a=-5\\b=-3\\c=38$

Then, substituting it into the quadratic equation, we have:

$\frac{-b+-\sqrt{b^{2} -4ac} }{2a}=\frac{-(-3)+-\sqrt{(-3)^{2} -4*-5*38} }{2*-5}\\\\\frac{-(-3)+-\sqrt{(-3)^{2} -4*-5*38} }{2*-5}=\frac{3+-\sqrt{9+760} }{-10}\\\\\frac{3+-\sqrt{9+760} }{-10}=\frac{3+-\sqrt{769} }{-10}=\frac{3+-27.731}{-10}\\\\t1=\frac{3+27.731}{-10}=-3.073s\\\\t2=\frac{3-27.731}{-10}=2.473s$

Since negative time does not exists, the ball will hit the ground after:

$t=2.473s=2.47s$

Have a nice day!

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3 years ago

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During a game, Naomi lost points. She lost fewer

finlep [7]

The answer is 1 or 2.

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3 years ago