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3 years ago

8

A rectangular hotel room is 6 meters by 7 meters. The owner of the hotel wants to recarpet the room with carpet that costs $36.0

0 per square meter. How much will it cost to recarpet the room?

1 answer:

Darya [45]3 years ago

7 0

Step-by-step explanation:

1,512 im pretty sure

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Step-by-step explanation:

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Jamie has 105 pieces of candy leftover from Halloween. She would like to distribute them evenly to the 7 kids on her block. Writ

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Step-by-step explanation:

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3 years ago

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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 $u=90\ ft/s$

Height of the ball is given by the function $h(t)=-16t^2+90t$

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

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

Thus, it takes ball 2.81 s to reach the top.

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4 years ago