Answer:
Step-by-step explanation:
Using the rule of exponents
× = , then
× = =
Out of the four trinomials, y^2+18y+81 is correct.
Step By Step Answer:
To determine a perfect square trinomial, the first and third terms have to be square roots and the middle term has to be two times the square root of the third term.
y^2 is a square root and 81 is a square root.
y^2 simplifies to y and 81 simplifies to 9.
It would be y+18y+9
The third term is 9, so multiply that by two and you get 18!
Therefore, that is correct!
y^2+18y+81 is a perfect square trinomial!
Hope this helps!
Answer:
FV= $4,786.01
Step-by-step explanation:
Giving the following information:
Initial deposit (FV)= $4,300
Number of periods (n)= 2 semesters
<u>First, we need to calculate the semi-annual interest rate:</u>
<u />
Semi-annual interest rate= 0.11/2= 0.055
<u>Now, to determine the future value, we need to use the following formula:</u>
FV= PV*(1+i)^n
FV= 4,300*(1.055^2)
FV= $4,786.01
Simplest form add all like things 1.26x+ 11.24
Answer:
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Step-by-step explanation: