Mathematics, 26.02.2020 20:15, alisonsolis155
Rachel purchases a prepaid phone card for $15. Long distant calls cost $.21 a minute using this card. Rachel used her card only wants to make a long distance call. If the remaining credit on your card is $9.54 how many minutes did her call last?
Answers: 3
Mathematics, 21.06.2019 20:00, 12bluestone
Someone answer asap for ! a discount storeโs prices are 25% lower than department store prices. the function c(x) = 0.75x can be used to determine the cost c, in dollars, of an item, where x is the department store price, in dollars. if the item has not sold in one month, the discount store takes an additional 20% off the discounted price and an additional $5 off the total purchase. the function d(y) = 0.80y - 5 can be used to find d, the cost, in dollars, of an item that has not been sold for a month, where y is the discount store price, in dollars. create a function d(c(x)) that represents the final price of an item when a costumer buys an item that has been in the discount store for a month. d(c(x)) =
Answers: 1
Mathematics, 21.06.2019 20:30, officialgraciela67
William invested $5000 in an account that earns 3.8% interest, compounded annually. the formula for compound interest is a(t) = p(1 + i)t. how much did william have in the account after 6 years? (apex)
Answers: 2
Rachel purchases a prepaid phone card for $15. Long distant calls cost $.21 a minute using this card...