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Genrish500 [490]

2 years ago

10

Pls help me plsssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssss

2 answers:

Lelu [443]2 years ago

8 0

The answer is y < 2

explanation:

Svet_ta [14]2 years ago

3 0

Answer:

x ≤ 2

Step-by-step explanation:

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Leslie drank 4/5 pint of juice and Hank drank 7/10 pint of juice. Who drank more

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3 years ago

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1000 views=£2<br> how many views are required to make £31?

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8 0

3 years ago

A ball is thrown vertically upward. After t seconds, its height h (in feet) is given by the function h(t)=72t-16t^2. What is the

irakobra [83]

Answer:

The maximum height that the ball will reach is 81 ft

Step-by-step explanation:

Note that the tray of the ball is given by the equation of a parabola of negative main coefficient. Then, the maximum value for a parabola is at its vertex.

For an equation of the form

$at ^ 2 + bt + c$

So

the t coordinate of the vertice is:

$t =-\frac{b}{2a}$

In this case the equation is:

$h(t)=72t-16t^2$

So

$a=-16\\b=72\\c=0$

Therefore

$t =-\frac{72}{2(-16)}$

$t=2.25\ s$

Finally the maximum height that the ball will reach is

$h(2.25)=72(2.25)-16(2.25)^2$

$h=81\ ft$

8 0

3 years ago