Solve the problem.A bookstore is having a sale. All books included in the sale have a colored sticker on them to indicate the sale price. There are green stickers, red stickers, and orange stickers. Bob, Sue, and Fred each make purchases of books that are on sale. Each row of the table gives information about the numbers of book purchases and the total cost of the purchase (before taxes) .
Use this information to set up a matrix equation of the form
which can be solved to determine the price for each type of sale book. Solve this matrix equation to find the price of a
book with an orange sticker.Use the fact that for A = , A-1 =
.
A. $5.68
B. $5.57
C. $5.32
D. $6.15
Answer: A
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The following question refers to a country with six states. There are 300 seats in the legislature and the percent of the population in each state is given in the table below.
Find each state's apportionment under Jefferson's method.
A. A: 44; B: 160; C: 16; D: 49; E: 19; F: 12 B. A: 43; B: 162; C: 16; D: 50; E: 18; F: 11 C. A: 43; B: 160; C: 16; D: 50; E: 19; F: 12 D. A: 43; B: 161; C: 16; D: 49; E: 19; F: 12 E. none of these
Graph the function.y = tan x
A.
B.
C.
D.
If ABCD
A'B'C'D', CD = 24 cm, C'D' = 8 cm, and A'B' = 14 cm, find AB.
(a) 20 cm (b) 21 cm (c) 8 cm (d) 42 cm
Graph the rational function.f(x) =
A.
B.
C.
D.