Graph the polar equation.r = 3?

A.

B.

C.

D.


Answer: D

Mathematics

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Find the dB gain of an amplifier if the output voltage is 30 volts when the input voltage is 0.5 volt. Round your answer to the nearest hundredth. 

A. 3.08 dB B. 59.08 dB C. 1.78 dB D. 35.56 dB E. None of these

Mathematics

Use a calculator to find the acute angle between the planes to the nearest thousandth of a radian.6x - 6y + 10z = 9 and -4x - 2y + 2z = 3

A. 1.446 rad B. 1.415 rad C. 0.513 rad D. 0.125 rad

Mathematics

Multiply.(x + 3)2

A. x + 9 B. x2 + 6x + 9 C. x2 + 9 D. 9x2 + 6x + 9

Mathematics

Write the number in trigonometric form. Let 0 ? ? < 2?.-5 + 5i

A. 5
B. 5
C. 5
D. 5

Mathematics