Provide an appropriate response.Factor completely: x2 + 4x
A. (x + 2)2
B. (x + 2)(x - 2)
C. x(x + 2)(x - 2)
D. x(x + 4)
Answer: D
Mathematics
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Solve the problem.The voltage E in an electrical circuit is given by E = 5.7 cos 110?t, where t is time measured in seconds. Find the amplitude.
A. 5.7 B. 110? C. 11.4 D. 110
Mathematics
Find a value of ? in [0°, 90°] that satisfies the statement. Leave answer in decimal degrees rounded to seven decimal places, if necessary.cot ? = 1.7009187
A. 36.0093720° B. 53.9906280° C. 30.4520188° D. 59.5479812°
Mathematics
Provide an appropriate response.Use a compass and straightedge to construct a parallelogram ABCD containing the lines AB and AD shown below.
What will be an ideal response?
Mathematics
Find the value of the expression without using a calculator.log5
A. 1 B. 0 C. -1 D. 5
Mathematics