3 years ago

I really need help with letter O in the top right.

Mathematics

1 answer:

dimaraw [331]3 years ago

7 0

The answer: 1 2/3 or 5/3

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Gianna is going to throw a ball from the top floor of her middle school. When she throws the hall from 48 feet above the ground,

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So, the times the ball will be 48 feet above the ground are t = 0 and t = 2.

Step-by-step explanation:

The height h of the ball is modeled by the following equation

$h(t)=-16t^2+32t+48$

The problem want you to find the times the ball will be 48 feet above the ground.

It is going to be when:

$h(t) = 48$

$h(t)=-16t^{2}+32t+48$

$48=-16t^{2}+32t+48$

$0=-16t^{2}+32t+48 - 48$

$16t^{2} - 32t = 0$

We can simplify by 16t. So

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It means that

16t = 0

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So, the times the ball will be 48 feet above the ground are t = 0 and t = 2.

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3 years ago

If f(x)=5x-7,what isf(3)?

ArbitrLikvidat [17]

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Explanation:

f ( − 3 ) basically means substitute − 3 for x in the function − 5 x

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Step-by-step explanation:

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1/2 gallon of milk makes 10 glasses.
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