Solve.One end guy wire is attached to the top of a 16-foot pole and the other end is anchored into the ground 9 feet from the base of the pole. Find the length of the guy wire. Round to the nearest tenth foot.
9 feet
A. 25 feet
B. 18 feet
C. 25.4 feet
D. 18.4 feet
Answer: D
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Find z1z2. Write the answer in polar form with the argument between 0° and 360°.z1 = 10(cos 30° + i sin 30°), z2 = 5(cos 10° + i sin 10°)
A. 50(cos 300° + i sin 300°) B. 15(cos 300° + i sin 300°) C. 50(cos 40° + i sin 40°) D. 15(cos 40° + i sin 40°)
Use properties of logarithms to expand the logarithmic expression as much as possible. Where possible, evaluate logarithmic expressions without using a calculator.logb
A. logb x + logb y7 - logb z4 B. logb x + logb y7 + logb z4 C. logb x + 7 logb y - 4 logb z D. logb x + 7 logb y + 4 logb z
Factor the trinomial.5x2 + 29x - 42
A. (x - 7)(5x - 6) B. (5x - 48)(5x - 6) C. (6 - 5x)(5x - 6) D. (x + 7)(5x - 6)
Solve the system by solving the corresponding matrix equation with an inverse, if possible.
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