The Four basic Mathematical Operations are:
•Addition
•Subtraction
•Multiplication
•Division
Answer:
D
Step-by-step explanation:
When the firecracker hits the ground, H(t) = 0.0 = -16t^2 + 90t + 160 Using the quadratic formula,t = (-90 +- sqrt(90^2 - 4(-16)(160))) / 2(-16)t = -1.42 ort = 7.04
The negative time is extraneous. Therefore,t = 7.04 s.
Seven Seconds is your answer!
Answer:
It would be rounded to $0.90
Step-by-step explanation:
The 9 would make the 8 go up to $0.90
Answer:
t $9.50 of it is quarters and 30 cents of it is dimes so 3 dimes
Step-by-step explanation:
