First, note that Then use the formula for the sum of perfect cubes:
Therefore,
The quadratic trinomial couldn't be factored anymore, so the expression
has two factors
and
Answer: correct choice is A.
The rate is given as a percent (%). Before using it in the simple interest formula, you must first convert it to a _____.
1 answer:
Answer:
decimal
Step-by-step explanation:
Before using the rate given as a percentage in simple interest formula, you must first convert it to decimal.
This helps in simplifying the work and help the calculation.
Simple interest =
P is the principal
R is the rate
T is the time
The rate is taken to decimal and inserted into the problem.
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