Answer:
(9/8)²=
81/64.
...........................
I got -9n+1. i used a calculator to check it and it was still that answer.
A constant is a value in a formula that does not change its value.
For example, in the formula:
PV = nRT
The constant is R.
It means that regardless of the value of the other variables, R will always remain the same.
R: universal constant of gases.
Answer:
A constant is a value in a formula that does not change its value.
Answer:
The oldest brother is 20 years old. PLEASE GIVE BRAINLIEST!!!
Step-by-step explanation:
Youngest = 5x - (x+4) = 60 Oldest = 5x - 60
5x - 1(x+4) = 60 5(16) - 60 =
5x - x - 4 = 60 80 - 60 = 20
4x - 4 = 60
4x = 60 + 4
4x = 64
x = 64 ÷ 4 x = 16
Youngest = 16
Middle = 18
Oldest = 20
Answer:
D
Step-by-step explanation:
