Simplify.(7-2 × 2-4)-1

A. 76 × 26
B.
C.
D. 72 × 24

Answer: D

Mathematics

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Solve the problem.Find the impedance ZT when the impedances Z1 = -8 + 2j, Z2 = -8 - 2j and Z3 = 10j are in parallel.

A. ZT = -16 + 10j
B. ZT = 680j
C. ZT = -  - j
D. ZT = -  + j

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Mathematics

Write the fraction as a decimal. Round to the nearest thousandth if necessary.1

A. 1.035 B. 1.350 C. 35.000 D. 0.350

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Mathematics

Use the Intermediate Value Theorem to determine whether the polynomial function has a zero in the given interval.f(x) = 5x3 - 5x2 - 3x - 6; [1, 2]

A. f(1) = -9 and f(2) = 8; yes B. f(1) = 9 and f(2) = 8; no C. f(1) = 9 and f(2) = -8; yes D. f(1) = -9 and f(2) = -8; no

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Mathematics

Find the median for the given values.30, 32, 30, 33, 33, 30, 35, 32, 40, 36, 36, 34, 29, 36, 30, 25, 20, 32, 32, 32

A. 31.85 B. 32 C. 36 D. 33

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Mathematics