Y= 1/2x+7
-2 6
-1 6.5
0 7
1 7.5
2 8
I think the equation is linear.
Hope this helped☺☺
Your reasoning and your answer were both correct. Discuss with the teacher. ("Discuss". DON'T fight.)
a. At its maximum height, the ball has zero vertical velocity, so
![-\left(28\dfrac{\rm m}{\rm s}\right)^2=2(-g)(y_{\rm max}-17\,\mathrm m)](https://tex.z-dn.net/?f=-%5Cleft%2828%5Cdfrac%7B%5Crm%20m%7D%7B%5Crm%20s%7D%5Cright%29%5E2%3D2%28-g%29%28y_%7B%5Crm%20max%7D-17%5C%2C%5Cmathrm%20m%29)
![\implies y_{\rm max}=57\,\mathrm m](https://tex.z-dn.net/?f=%5Cimplies%20y_%7B%5Crm%20max%7D%3D57%5C%2C%5Cmathrm%20m)
b. The ball's height in the air
at time
is given according to
![y=17\,\mathrm m+\left(28\dfrac{\rm m}{\rm s}\right)t-\dfrac g2t^2](https://tex.z-dn.net/?f=y%3D17%5C%2C%5Cmathrm%20m%2B%5Cleft%2828%5Cdfrac%7B%5Crm%20m%7D%7B%5Crm%20s%7D%5Cright%29t-%5Cdfrac%20g2t%5E2)
Solve for
when
:
![17+28t-4.9t^2=0\implies t\approx6.3\,\mathrm s](https://tex.z-dn.net/?f=17%2B28t-4.9t%5E2%3D0%5Cimplies%20t%5Capprox6.3%5C%2C%5Cmathrm%20s)
Answer:
6
Step-by-step explanation: 4^2 - 8 / (1+3) x 5 = 4^2 - 8 / 4 x 5 = 16 - 8 / 4 x 5 = 16 - 2 x 5 = 16 - 10 = 6
Answer:
92 years old
Step-by-step explanation:
Multiply 23 by 4
92
So Morgan's grandfather is 92 years old
Hope this helps :)
Please consider Brainliest :)