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(Have to submit a test in 5 minutes!) Divide mentally using patterns: 60 ÷ 20 = . (10 Points.)
Answers: 2
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Determine whether the set of whole numbers is closed under addition. explain why the set is or is not closed. give an example.
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Mathematics, 21.06.2019 18:00
He that is measured at 220° is a reflex angle. the opposite angle is obtuse. find the measure of obtuse .
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Mathematics, 21.06.2019 18:30
Someone answer this asap rn for ! a discount store’s 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
(Have to submit a test in 5 minutes!) Divide mentally using patterns: 60 ÷ 20 = . (10 Points.)...
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