Apunter kicks a football upward with an initial speed of 48 feet per second. after how many seconds does the ball hit the ground? use the formula h = rt − 16t2 where h represents height in feet and r represents the initial speed

check the picture below. That's pretty much a rough graph of an initial speed scenario.

so, we know the ball will hit the ground when h = 0, and we know that r = 48, thus

3 seconds.

Step-by-step explanation:

We have been given that a punter kicks a football upward with an initial speed of 48 feet per second. Use the formula to find after how many minutes ball will hit the ground.

The ball will hit the ground, when height, h equals to 0.

Using zero product property, we will get:

Therefore, after 3 seconds ball will hit the ground.

blue marble is 15 times out of 50 = 15/50 reduces to 3/10

landing on tails is 24 out of 50 = 24/50 reduces to 12/25

to find the probability of both multiply together:

3/10 x 12/25 = 3 x 12 / 10 x 25 = 36/250

if you multiplied the numerator and denominator by 10 you get 360/2500.

the answer is 360/2500

walter needs to make at least 5 more cookies but no more than 40. 5 ≤ x ≤ 40

step-by-step explanation:

20 ≤ x + 15 ≤ 55

subtract 15 from all parts

20-15 ≤ x + 15-15 ≤ 55-15

5 ≤ x ≤ 40

this means how many more cookies he has to make

walter needs to make at least 5 more cookies, but no more than 40 cookies; 5 ≤ x ≤ 40