QUESTION: 41

Angle AB (shown above) is a(n)__________.

complementary angle
supplementary angle
acute angle
obtuse angle

Answer(s): D

Explanation:

Angles measuring more than 90 degrees are obtuse angles.

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QUESTION: 42

Solve for x: = −x2 – x + 30 = 0

4, −8
−6, 5
−4, 5
6, −3

Answer(s): B

Explanation:

This is a quadratic equation, which is solved by factoring.
–x2 – x + 30 = 0
–(–x2 – x + 30) = 0
x2 + x – 30 = 0

(x + 6)(x – 5) = 0 x + 6 = 0x – 5 = 0 x = –6x = 5

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QUESTION: 43

A square box has a volume of 64 cubic inches. What’s its perimeter?

8 inches
16 inches
64 inches
32 inches

Answer(s): B

Explanation:

Volume equals length times width times height (V = lwh). In this case, V = 64, so one side of the box is 4- inches long.
The cube root of 64 produces this number: 64 = 4 × 4 × 4.
Find the perimeter by adding the four sides together: 4 + 4 + 4 + 4 = 16.

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QUESTION: 44

A cube has a volume of 64 cubic inches. What’s its surface area?

16 square inches
64 square inches
96 square inches
32 square inches

Answer(s): C

Explanation:

Volume is calculated by multiplying length times width times height (V = lwh). Because the edges are equal on a cube, each edge is 4 inches.
The cube root of 64 produces this number: 64 = 4 × 4 × 4.
The area of one side of the cube is 4 × 4 = 16, and because a cube has 6 sides, you multiply 16 × 6 to find the surface area of the cube, 96 inches.

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Free ASVAB Section 6: Mathematics Knowledge Exam Braindumps (page: 11)

QUESTION: 41

Explanation:

QUESTION: 42

Explanation:

QUESTION: 43

Explanation:

QUESTION: 44

Explanation: