What is the value of this expression 3^2*2-4(3-1)
1 answer:
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Answer:
The value of this investment at the end of the 5 years is of $662.5.
Step-by-step explanation:
Compound interest:
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 year and t is the time in years for which the money is invested or borrowed.
Dina invests $600 for 5 years at a rate of 2% per year compound interest.
This means that . Thus
Calculate the value of this investment at the end of the 5 years.
This is A(5). So
The value of this investment at the end of the 5 years is of $662.5.
The expression Joelle should use to find the tip amount is 38(0.20).
<h2>Expression </h2>In mathematics, an expression is defined as a set of numbers, variables, and mathematical operations that are formed according to rules which are dependent on the context.
<h2>Given to us</h2>Percentage tip of Joelle hairdresser = 20%,
Joelle's haircut costs = $38,
<h3>Percentage Conversion</h3>As we know that percentage shows a part of something, therefore,
Hence, the expression Joelle should use to find the tip amount is 38(0.20).
Learn more about expression: