From the list below find the expression equivalent to
?

?

A.
B.
C.
D.
E.


Answer: C

Mathematics

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Perform the matrix operation.Given B =  , find (-2)B.

A.

B.

C.

D.

Mathematics

Use the two steps for solving a linear programming problem to solve the problem.Suppose that Janine desires 46 grams of protein and 38 grams of dietary fiber daily. One serving of kidney beans has 8 grams of protein and 6 grams of dietary fiber. One serving of refried pinto beans has 6 grams of protein and 6 grams of dietary fiber. If a serving of kidney beans costs $0.45 and a serving of refried pinto beans costs $0.35, then how many servings of each should Janine eat to minimize cost and still meet her requirements?

A.  servings of refried pinto beans and no kidney beans
B. 4 servings of refried pinto beans and  servings of kidney beans
C.  servings of kidney beans and no refried pinto beans
D.  servings of refried pinto beans and 4 servings of kidney beans

Mathematics

Verify the identity.2 sin(x + y) cos(x - y) = sin 2x + sin 2y

What will be an ideal response?

Mathematics

Solve the problem.A pyramid was constructed for a mini golf center which featured the man-made wonders of the world. The pyramid is depicted in the figure below. Find the length x of a slant edge of the pyramid. Round your answer to the nearest hundredth.170.5 inches

A. 112.69 inches B. 165.03 inches C. 221.44 inches D. 27,233.25 inches

Mathematics