Answer:
x > -5
Step-by-step explanation:
Answer: t= 13.2 seconds
Step-by-step explanation:
The quadratic function for ball's height in terms of time t is given as
s(t)= -16t² +192t + 256
Now we want to find out the time at which the ball hits the ground.
When the ball hits the ground, the height of the ball will become zero so in the above equation we can put s(t)=0
0= -16t² +192t + 256
or 16t² -192t - 256 = 0
Solving this quadratic equation, we have
t= 13.211 and t= -1.211
Since time can't be negative so
t= 13.2 seconds
14. The answer to this question is D, because if you think about a percent as over a 100, you can conclude that 59% = 59/100. Then, to get the total length, you multiply that percent by the overall length which is 40.
15. Same thing as above, and the answer is, again, D.
Answer:
P = 350 feet
Step-by-step explanation:
P = 2L + 2W
W = 70 feet
L = 105 feet
plug in values:
P = 2(105) + 2(70)
P = 210 + 140
P = 350 feet
Answer:
M is equal to blank and blank should be the sqaure root