Answer:
x=71
Step-by-step explanation:
Answer: Third Option

Step-by-step explanation:
We have the following exponential equation

We must solve the equation for the variable x
To clear the variable x apply the
function on both sides of the equation

Simplifying we get the following:

To simplify the expression
we apply the base change property

This means that:

Then:



Answer:
50%
Step-by-step explanation:
There are a total of 20 marbles.
10/20 equal 50%
Answer:
Step-by-step explanation:
÷
= 
= 
= 1
Use KCF method,
Keep the first number.
Change the division to multiplication
Flip the second number