Essie has an offer from a credit card issuer for a 0% apr for the first 60 days
and a 19.34% apr afterwards, compounded daily. what effective interest rate
is essie being offered?
a. 17.53%
b. 19.34%
c. 21.15%
21.33%
d

17.53%

Step-by-step explanation:

Let, Essie has used $x with her credit card on the first day of the year.

So, for the next 60 days, she does not have to pay any interest, but after 60 days he has to pay 19.34% APR compounded daily.

So, the daily percentage rate is %

So, after 1 year the daily percentage rate is compounded for (365 - 60) = 305 days.

Then, principle $x will grow up to $

If this interest rate is equivalent to y% APR which compound yearly, then  

⇒ y = 17.53% (Answer)

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b: |12 – x| ≤ 0.25

step-by-step explanation:      

let x be the possible lengths in inches, of the ribbons jaime cut.

we have been given that jaime is cutting strips of ribbon for a project. he tries to cut each piece to be 12 inches long, but sometimes he cuts it too long or too short by as much as 0.25 inch.  

we can represent this information in an inequality as:

by the definition of absolute value function we will get,

upon combining our inequalities we will get,

therefore, the inequality   describes all the possible lengths (x), in inches, of the ribbons jaime cut.

step-by-step explanation: