PLZ HELP ME ITS 30 POINTS PLZ HELP ME ITS 30 POINTS
2 answers:
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Answer:
x = ±
Step-by-step explanation:
Given
y = x² + 7 ( subtract 7 from both sides )
y - 7 = x² ( take the square root of both sides, thus
x = ±
Answer:
Maureen earned $123.19 doing odd jobs
Step-by-step explanation:
The compound interest formula is given by:
Where A(t) is the amount of money after t years, P is the principal(the initial sum of money), r is the interest rate(as a decimal value), n is the number of times that interest is compounded per unit year and t is the time in years for which the money is invested or borrowed.
In this question:
Compounded quarterly means that
10 years, so
9% interest, so
There is $300.00 in the account, which means that
How much did Maureen earn doing odd jobs?
This is P.
Maureen earned $123.19 doing odd jobs