Answer:
x^3
Step-by-step explanation:
reciprocal is 1/(given value)
1/(1/x^3)
=x^3
Answer:
x
>
10
Step-by-step explanation:
Isolate the variable by dividing each side by factors that don't contain the variable.
Answer:
3
Step-by-step explanation:
could the length of the first triangle to the length of the second triangle
If you use a proportion, you'll get:

Then, you use cross products:

Then, you algebraically solve x:

The answer is 5/3 inches , or 1 5/13 inches, or 1.6 repeating.
There are 6 nickels and 14 pennies.
There are 20 total coins.
The ratio of nickels to coins is 6:20.
Both of these are divisible by 2, so we can reduce this to 3:10.