( 25 points) I need help with 3 and 4
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Answers: 1
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)) =
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Mathematics, 21.06.2019 19:20
Is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis.
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Mathematics, 21.06.2019 21:30
On traditional maps, earth is represented in a flat plane, or by euclidean geometry. however, a globe is a more accurate model that comes from elliptical geometry.how does a globe represent the fact that there are no parallel lines in elliptical geometry? the equator is not parallel to any other latitudinal lines. the north and south poles are never connected by a geodesic. the geodesics connecting the north and south poles never intersect. the geodesics connecting the north and south poles intersect at both of the poles.
Answers: 3
Mathematics, 21.06.2019 22:00
Luke wants to reduce the area of his rectangular garden by 1/4 the expression 14/w can be used to represent this change. what is another way to write this expression?
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Social Studies, 21.11.2019 09:31
Computers and Technology, 21.11.2019 09:31
Social Studies, 21.11.2019 09:31
Physics, 21.11.2019 09:31
Mathematics, 21.11.2019 09:31
History, 21.11.2019 09:31
Geography, 21.11.2019 09:31
Physics, 21.11.2019 09:31
History, 21.11.2019 09:31
History, 21.11.2019 09:31
Geography, 21.11.2019 09:31