Solve the problem.The value of certain make and model of used car can depend on several factors. The table gives data for the values of three Chevy Caprice station wagons.The value V is measured in dollars, where A is the age of the car in years, and C is the condition of the car rated on a scale of 1 to 10 ( 10 is excellent condition ) .
The variables are found to be related by the equation
Use the information given in the table to write a matrix equation which when solved will yield the values of a, b, and c.
A.
=
B. =
C. =
D.
=
Answer: D
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Factor, if possible.216x12 + 125y9
A. (6x4 + 5y3)(36x8 - 30x4y3 + 25y6) B. (6x4 + 5y3)(36x8 + 30x4y3 + 25y6) C. (6x4 - 5y3)(6x4 + 5y3) D. (6x4 - 5y3)(36x2 + 30x4y3 + 25y6b2)
A fair coin is tossed fourteen times. What is the probability of obtaining the following? Express the answer both in terms of Cn, k and as a four-place decimal.Exactly 12 heads?
What will be an ideal response?
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. $5.17
B. $6.00
C. $5.53
D. $5.42
Solve the equation.x(5x + 13) = 6
A.
B.
C.
D.