You need to solve this for h(t)=0

-16t^2-30t+124=0

This has two solutions, one is negative that does not make sense as time cannot be negative.
The positive solution is t=2

So the interval where it is in the air is [0;2)

5 0

3 years ago

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Does anyone know the answer to this? will give brainliest

Alla [95]

Answer: a

Step-by-step explanation:

4 0

3 years ago

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Cellus The figure below is a rhombus. 630 x y = Enter

sleet_krkn [62]

Answer:

y=27

Step-by-step explanation:

6 0

2 years ago

If one of the short sides of a 45-45-90 triangle equals 5, how long is the hypotenuse?

Alla [95]

Answer:

hypotenuse= 2 $\sqrt{5}$

Step-by-step explanation:

the triangle is equal tow side so it is two side =5 cm

then the hypotenuse by Phitagors theory the triangle hypotenuse =

$\sqrt{5^{2} +5^{2} }$ = 2 $\sqrt{5}$

5 0

3 years ago