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3 years ago

7

A professional diver began to descend at a rate of 9 feet per minute after jumping into the ocean at a depth of 7 feet. Which of

the following equations represents the depth of the professional diver at any given time given y is the depth in feet for x number of minutes

1 answer:

klemol [59]3 years ago

8 0

See what you can do like ask what the change is

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. He has $75 in his checking account and has already spent $53.86 on food. Which inequality represents how much Jeremy has left

mixas84 [53]

X= 75-53.86<span>
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3 years ago

A soccer player uses her head to hit a ball up in the air from a height of 2 meters with an initial vertical velocity of 5 meter

Mandarinka [93]

Answer:1.32 s

Step-by-step explanation:

Given

The initial height of ball H=2 m

Initial velocity u=5 m/s

Height of ball at any instant is given by

$H=-4.9t^2+5t+2$

The ball will hit the ground when h=0

$-4.9t^2+5t+2=0\\4.9t^2-5t-2=0\\t=\dfrac{5\pm\sqrt{25+4(4.9)(2)}}{2\times 4.9}\\t=\dfrac{5\pm\sqrt{64.2}}{9.8}\\t=\dfrac{5+8.01}{9.8}=1.32\ s\quad\text{Neglecting negative value of t}$

3 0

3 years ago

A videp store took $450 in DVD rentals during one day . If DVDs rent for $9 each , how many DVDs were rented.

Masja [62]

Answer:

50

Step-by-step explanation:

let x = total DVD rentals

450=9x

450/9=x

50=x

50 DVDs were rented

4 0

2 years ago

What is the sum 3/7 + 1/2

masya89 [10]

Answer:

13/14

Step-by-step explanation:

3/7+1/2

LCM = 14

6/14+7/14=13/14

4 0

3 years ago

Read 2 more answers

Mr.William orders 2 feet of trim to decorate pillows. If he needs 1inch of trim for each pillow, how many pillows can he decorat

navik [9.2K]

2 feet = 24 inches

24 inches divided by 1 inch = 24

Answer is 24 pillows.

3 0

3 years ago