sistersquad

13.12.2020 • 

Mathematics

(Hi! I figure out how to calculate the finance charge. If anyone could do a step by step that would be very helpful!!) Maya’s credit card has an APR of 11.84% and a billing cycle of 30 days. The table below shows her transactions with that credit card in the month of September.

(There is supposed to be a table here so I did the best I could to make it accurate to original. )

Date Amount($) Transaction
9/1 395.61 Beginning balance
9/8 24.13 Purchase
9/13 68.57 Payment
9/26 31.77 Purchase

Find Maya’s finance charge for September using the previous balance method, the adjusted balance method, and the daily balance method.

Ответ:

rainbowsauxe

14.04.2021

Mathematics

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Assuming the traveling speed to be constant, the law that involves space, speed and time is

So, the sentence "Traveling at an average speed of 50 miles per hour, the trip from point A to point B takes 2 hours" translates to

from which we deduce that A and B are 100 miles apart. In fact, we also have

which again yields s = 100.

Now, the question changes the perspective, because it asks for the time needed to travel at a certain speed. Now that we know that the distance is 100 miles, if we travel at 45 miles per hour we have

from which we can deduce

which, rounded to the nearest hundreth, is 2.22.

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