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3 years ago

Bob businessman offers credit at 20% interest per year. APR?%

Mathematics

2 answers:

ryzh [129]3 years ago

6 0

Answer:

APR = 21.9%.

Step-by-step explanation:

We can assume that Bob businessman offers the 20%, but interest is compounded monthly.

First we must determine the monthly interest rate = 20% / 12 months = 1.667%

to determine the total APR we must calculate compound interest for the year:

compound interest = (1 + r)ⁿ = (1 + 1.667%)¹² = 21.9%

*compound interest refers to interest that gains interest.

scZoUnD [109]3 years ago

4 0

Answer:

Step-by-step explanation:

22.9

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3 years ago

Pencils that were selling at three for 25 cents are now on sale at five for 29 cents. How much money, in cents, would you save b

natita [175]

Answer:

We would save $1.52 cents

Step-by-step explanation:

3 the pencil were at sale for 25 cent

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3 years ago

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2 years ago

Kate borrowed $400 from her friend. she will repay this amount plus 3 percent simple interest after one year. what is the total

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3 years ago

What is the factored form of x^3 -1

lianna [129]

Answer:

The factored form of x^3 -1 will be:

$x^3-1^3=\left(x-1\right)\left(x^2+x+1\right)$

Step-by-step explanation:

Given the expression

$x^3-1$

Rewrite 1 as 1³

$=x^3-1^3$

$\mathrm{Apply\:Difference\:of\:Cubes\:Formula:\:}x^3-y^3=\left(x-y\right)\left(x^2+xy+y^2\right)$

$x^3-1^3=\left(x-1\right)\left(x^2+x+1\right)$

$=\left(x-1\right)\left(x^2+x+1\right)$

Thus, the factored form of x^3 -1 will be:

$x^3-1^3=\left(x-1\right)\left(x^2+x+1\right)$

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3 years ago