Number 7 I believe the answer is 74.
Answer:
1
Step-by-step explanation:
4^3 × 4^-3
Apply the law of exponents.
4^(3+-3)
4^(0)
Any base with the exponent of 0 is equal to 1.
= 1
Answer:
the answer would be the first one 321 m^2
Step-by-step explanation:
m=2(wl+hl+hw)=2·(10·6+6·6+6·10)=312
13
He has $170 minus the $25.50 fee= $144.50 left. If each session is $10.50, then divide 144.50 by $10.50 and you get 13.76. He will have enough for 13 help sessions
Answer:
at about t = 1.62
Step-by-step explanation:
42 feet below a height of 45 feet is a height of 45-42 = 3 feet. You want to find t such that
h(t) = 3
-16t^2 +45 = 3
-16t^2 = -42 . . . . subtract 42
t^2 = -42/-16 = 21/8 . . . . . divide by -16
t = √2.625 ≈ 1.620 . . . . . take the square root
The trampolinist will land on the trampoline about 1.62 seconds after stepping off the platform.