Answer:
No.
Step-by-step explanation:
An irrational number has never-ending decimals.
A rational number can be written as a fraction or has a terminating decimal.
-7.8 can be rewritten into a fraction. Its decimal also terminates. Therefore, it is not irrational but rational.
Answer:
169
Step-by-step explanation:
Add: 9 + 4 = 13
Exponentiation: the result of step No. 1 ^ 2 = 13 ^ 2 = 169
Divide: 15 / 3 = 5
Subtract: 5 - the result of step No. 3 = 5 - 5 = 0
Add: the result of step No. 2 + the result of step No. 4 = 169 + 0 = 169
Answer:
Yes
Step-by-step explanation:
x^(-3/7) = 7th root of x^(-3) = 7th root of (1/x^3)
Answer:
y=0.5x+3
Step-by-step explanation:
Divide both sides by 2 which will give you y=0.5x+3.
Answer:
30 in
Step-by-step explanation:
