7,24,25 ~ x,72,75
so x/7 = 72/24 = 75/25 = 3
then x = 7*3 = 21
Answer:
2345,2034,2134
Step-by-step explanation:
2 is between 1-9 and 345 does not include a repeated number, the same gods for the rest
Answer:
x = 19
Step-by-step explanation:
= 64
= 4³
multiply each side by the exponent 2/3 so the radical sign on left is removed
(
)^2/3 = (4³)^2/3
x - 3 = 4²
x - 3 = 16
x = 19