For what value of y does 125=(1/25)^y-1
2 answers:
Answer:
D. -1/2
Step-by-step explanation:
Answer:y=-1/2
Step-by-step explanation:
125=(1/25)^(y-1)
5^3=(5^(-2))^(y-1)
5^3=5^(-2(y-1))
The same base eliminate each other we then have
3=-2(y-1)
3=-2y+2
Collect like terms
2y=2-3
2y=-1
Divide both sides by 2
2y/2=-1/2
y=-1/2
You might be interested in
You would subtract the atomic number from the mass weight. <span />
Answer:
I think it is wrong because it is unlike term
answer
The 3 lb bag of cat food would last for 4 weeks.
Step-by-step explanation:
Answer:addition and multiplication
Step-by-step explanation:
I just did it
12 
hours
to calculate time divide distance by average speed
time = 
= 12.5 = 12
