Use similar volume to calculate
which is the (ratio of edges)^3 = (ration of volume)
so just put the numbers in, let the volume of smaller pyramid be y.
(3/4)^3 = y/320
27/64 = y/320
y=135in3
Answer:
320 messages
Step-by-step explanation:
20 messages per dollar,
20 x 16 equals 320
Answer:
x^2 - 2xi - 4x +8i
Step-by-step explanation:
(x -4) (x -2i) (x+2i)
The answer is C. This is because if you multiply 7:5 by 3, you get 21:15.
