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Ann [662]
3 years ago
9

Carlos kicks a ball into the air. The function that models the scenario is f(t)= -16t^2+ 96t

Mathematics
1 answer:
gregori [183]3 years ago
4 0
Check the picture below

thus \bf 0= -16t^2+ 96t\impliedby \textit{hits the ground}

solve for "t"

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HELP!! What is the approximate measure of angle x in the triangle shown?
Alex Ar [27]
<h3>Answer:   D)  130.5 degrees</h3>

=================================================

Work Shown:

c^2 = a^2 + b^2 - 2*a*b*\cos(C)\\\\10^2 = 5^2 + 6^2 - 2*5*6*\cos(x)\\\\100 = 25 + 36 - 60*\cos(x)\\\\100 = 61 - 60*\cos(x)\\\\100 - 61 = - 60*\cos(x)\\\\39 = - 60*\cos(x)\\\\\cos(x) = \frac{39}{-60}\\\\\cos(x) = -0.65\\\\x = \arccos(-0.65)\\\\x \approx 130.5416\\\\x \approx 130.5\\\\

Note: I used the law of cosines. Make sure your calculator is in degree mode.

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dexar [7]
Well, $920 multiplied by .15 would equal 138 and
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Hope this helped!
have a great day! (:
8 0
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