Perform the indicated operations.8 + 4

A. 4
B. 32
C. 12
D. 12


Answer: C

Mathematics

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Determine whether the following is always true or not always true. Given reasons for your answers.(u × v) ? v = u ? (u × v)

What will be an ideal response?

Mathematics

Multiply: 3/5 ð 4/7

a. 7/12 b. 7/35 c. 20/21 d. 41/35 e. 12/35

Mathematics

Solve the problem.A chemist needs 50 milliliters of a 39% solution but has only 37% and 42% solutions available. Find how many milliliters of each that should be mixed to get the desired solution.

A. 10 mL of 37%; 40 mL of 42% B. 20 mL of 37%; 30 mL of 42% C. 30 mL of 37%; 20 mL of 42% D. 40 mL of 37%; 10 mL of 42%

Mathematics

Find the center and vertices which located on the major axis of the ellipse from given equation and select its graph. ? ?

A. Center: (0,0)

Vertices: (±3,0)


B. Center: (0,0)

Vertices: (-3,0)


C. Center: (0,0)

Vertices: (3,0)

?


D. Center: (0,0)

Vertices: 3,0)

?


E. Center: (0,0)

Vertices: (-3,0)

?


Mathematics