Step-by-step explanation:
Oliver deposits P= $1,000
Then total amount A after n months given that the balance increases by %15 each month can be calculated as

Assuming the increase in amount is compounded monthly.
we are given

To find solution , we can factor it and then we can solve for x
step-1: Factoring


step-2: Solve for x




so, option-C and option-F...........Answer
Answer:
The equation is:
and the number is 72.
Step-by-step explanation:
We have to use mathematical notation to convert the given statement into an equation. As we don't know the exact value of number, we have to use a variable in place of the number.
Let x be the required number then
"A number decreased by 7"

"and then divided by 5"

" is 13."

For solving, multiplying both sides of equation by "5"

Adding 7 on both sides of equation

Hence,
The equation is:
and the number is 72.
Answer:A
The mean is the average of all numbers, in this example it's to national averages which will have many numbers.
If you use metric conversion (shown below), you will find that 9 meters = 90 cm. Tell me if you need further explanation.