3 years ago

What is the value of x?

Mathematics

1 answer:

BlackZzzverrR [31]3 years ago

7 0

Answer:

25.5

Step-by-step explanation:

If it is a central angle, the arc is equal to the angle, but since this is not a central angle, you find the arc by taking the angle and dividing it by 2

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A soccer ball is kicked from the ground at an upwards velocity of 90 feet per second. The equation h(t)=-16t^(2)+90t gives the h

garri49 [273]

Answer: 2.81 s

Step-by-step explanation:

Given

Ball is kicked upward with velocity $u=90\ ft/s$

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Derivative of a function gives the maxima or minima at certain point

$\Rightarrow \dfrac{dh}{dt}=-32t+90\\\\\Rightarrow \dfrac{dh}{dt}=0\\\\\Rightarrow -32t+90=0\\\\\Rightarrow t=\dfrac{90}{32}\\\\\Rightarrow t=2.81\ s$