4 years ago

HELPP ASSAP WILL MARK BRAINIEST

Mathematics

1 answer:

chubhunter [2.5K]4 years ago

7 0

Answer:

Step-by-step explanation:

H=7+30t-16t²

20=-16t²+30t+7

0=-16t²+30t-13

T=(-30±√(900-4(16)13))/-32

T=0.68 s or T=1.2 s

You might be interested in

Mine A is 225 feet underground and Mine B has an elevation of -223 feet. Which mine is further underground

LUCKY_DIMON [66]

Answer: Mine A

Step-by-step explanation: Mine A is further underground because elevation means height and when it’s shows a number that is negative that means underground. 225 is greater than 223. So Mine A is further underground.

3 0

3 years ago

Read 2 more answers

If I have a 40 % and my teacher puts in 3 100% what’s my grade ?

Black_prince [1.1K]

It would be an A if i'm correct.

6 0

3 years ago

Read 2 more answers

Find the rate of change of the function h(x) = 2 x on the interval 2 ≤ x ≤ 4. The rate of change is a0.'

IceJOKER [234]

Answer:

Step-by-step explanation:

7 0

4 years ago

Read 2 more answers

Evaluate the expression x^2 - y^2, if x = -3, and y= 2

Darina [25.2K]

$\\ \rm\longmapsto x^2-y^2$

$\\ \rm\longmapsto (-3)^2-(2)^2$

$\\ \rm\longmapsto 9-4$

$\\ \rm\longmapsto 5$

4 0

3 years ago

What is a statement of equality?

Tju [1.3M]

Answer:

the equality between A and B is written and pronounced A equals to B

7 0

3 years ago