I need to use the power rule (if m and n are real numbers and x doesn't equal 0, then (x^m)^n = x^mn... ) to simplify this fract
1 answer:
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Answer:
15 months.
Step-by-step explanation:
Given:
Laura retired and saved about $414,731.00 over the course of her career.
She plans to withdraw $2,224.00 each month to pay for living expenses.
After a certain amount of time, the balance in Laura's account is $381,371.00
Question asked:
How many months have passed since Laura retired ?
Solution:
Let total number of months for which she withdrew =
Total saving amount = $414,731
Unitary method:
In 1 month she withdrew = $2,224
In months she withdrew =
Total withdrew amount =
Balance amount after months = $381,371
<u>Balance amount = Total saving amount - Total withdrew amount</u>
Thus, 15 months have passed since Laura retired.
Answer:
Step-by-step explanation:
We are given
zeros as -10 and 7/8
now, we can set up function as
now, we are given that
leading coefficient is 8
so, a=8
now, we can plug it
now, we can simplify it
so, we get