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Mathematics

Mathematics

General math part 1

Question 1 of 20

Perform the indicated operation.

+

Answer:

D.

Question 2 of 20

Decide whether the ordered pair is a solution of the given system.

(-1, 6)

x + y = 7 x - y = -5

Answer:

B. No

Question 3 of 20

Use graphical methods to solve the linear programming problem.

40x + 80y = 560.

6x + 8y = 72.

x = 0.

y = 0.

Maximize P = 8x + 12y

Answer:

C. Maximum of 100 when x = 8 and y = 3

Question 4 of 20

Solve the problem. A company makes three chocolate candies: cherry, almond, and raisin. Matrix A gives the amount of ingredients in one batch. Matrix B gives the costs of ingredients from suppliers R and S. Multiply the matrices.

A = B =

Answer:

B. R x S

AB =

Question 5 of 20

Translate the problem situation to a system of equations. Do not solve. Bill & Jose's Discount Cinema sold adult tickets for $2.80 each and children's tickets for $1.80 each. Last Tuesday, a total of $71.80 was collected from 36 movie watchers. How many of each type were sold?

Answer:

C. x + y = 36; 2.80x + 1.80y = $71.80

Question 6 of 20

Solve the system of equations graphically. If the system does not have a single ordered pair as a solution, state whether the system is inconsistent of dependent. 9x - 2y = 30 5x + y = 24 (9x - 2y = 30 5x + 4/3 y = 24)

Answer:

(4, 3)

Question 7 of 20

Find the product, AB, if possible. A = B =

A.

Question 8 of 20

Determine whether the lines will be perpendicular when graphed. 3x - 2y = 6 2x + 3y = 6

Answer:

A. Yes

Question 9 of 20

Solve the problem. During the 1998-1999 Junior Hockey League season, the Sharks played 54 games. Together, their wins and losses totaled 46. They tied 5 ...

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