Answer:
The two objects are similar because of their gcf
Potential energy = mass * g * height
So here we have:-
54.9 = 8 * 9.8 * h
So
h = 54.9 / (8*9.8) = 0.7 metres
It is 5% active, so if we have 10 gallons, the active ingredients would be 5% of 10.
5% of 10
= 0.05 * 10 = 0.5
0.5 gallons.
Answer is 129(A) hope this helps:)
Answer:
Step-by-step explanation:
we know that
Let
x-------> the number of nickels
y-------> the number of dimes
------> isolate the variable y
--------> equation A
------> multiply by both sides
-------> equation B
Substitute equation A in equation B and solve for x