iwannasleep
09.04.2020 •
Mathematics
Joan has a credit card that uses the previous balance method. The opening balance of one of her 30 day billing cycles was $63.90, but that was her balance for only the first three days of the billing cycle, because she then paid off her entire balance and didn't make any new purchases. if her credit cards APR is 17% which of these expressions could be used to calculate the amount Joan was charged in interest for the billing cycle.
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Ответ:
12/13
Step-by-step explanation:
sin can be remembered by opposite over hypotenuse.
the length of the side opposite to angle B is 12, and the hypotenuse is 13. therefore, sin B will be 12/13.