Answer:
x^2-3
Step-by-step explanation:
3 seconds
solve for when y is zero
0 = -16t^2 + 32t + 48
0 = -16(x^2-2x-3)
0 = -16(x-3)(x+2)
x = 3 or -2
-2 is extraneous because time is not negative in this instance so 3 seconds.
Answer:90
Step-by-step explanation:
Multiply by 10
Answer:
27
Step-by-step explanation:
break shape into two parts
rectangle - 4*3=12
triangle 6*5/2 = 15
add rect and triangle tgt - 12+15=27
Answer:
16 and 125
Step-by-step explanation:
-2*-2 = 4
4*-2 = -8
-8*-2 = 16
5*5 = 25
25*5 = 125