Mathematics, 15.09.2021 14:40 leslop
PHOTOS A photo-book company offers two options. A 12-page hardbound book costs $30 and $0.75 for each extra page. A 12-page soft-back book costs $20 and $1.50 for each extra page.
Let x represent the number of extra pages and y represent the total cost. Which system of equations describes the total cost of each option?
Multiple choice question.
A)
y=0.75x and y=1.50x
B)
y=0.75x+30 and y=1.50x+20
C)
y=1.50x+30 and y=0.75x+20
D)
y=30x+0.75 and y=20x+1.50
Answers: 1
Mathematics, 21.06.2019 15:00, kkruvc
Ascatterplot is produced to compare the size of a school building to the number of students at that school who play an instrument. there are 12 data points, each representing a different school. the points are widely dispersed on the scatterplot without a pattern of grouping. which statement could be true
Answers: 1
Mathematics, 21.06.2019 18:00, ahmedislife
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: 2
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