170 cm. The unknown length on the left is 21 cm
Answer:
Step-by-step explanation:
The rock will hit the surface when its height equals zero.
t^2-8t-10=0
t^2-8t=10
t^2-8t+16=10+16
(t-4)^2=26
t-4=+(26^(1/2))
t=4+(26^(1/2))
t=9.1s
Answer:
-232
Step-by-step explanation:
-5|+23|·|4-23|=-5|8|·|4-23|
-5|8|·|4-23|=-5|8|·|-4|
-5|8|·|-4|=-58·|-4|
-58·|-4|=-58·4
-58·4=-232
77 green marbles
try googling the rest or 33/77=77%
Answer:
144
Step-by-step explanation:
-12 x -3 = 36
4 x 36 = 144
