Find all n complex solutions of the following equation of the form
x4 = 16
A.
B.
C.
D.
Answer: C
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Solve the problem.Find the mass of a wire of density ?(x, y, z) = 4z and has the shape of the helix y = 3 sin t, z = 4t
A. 40?2
B. 80?2
C. 8?2
D. ?2
Factor when possible.a2 - 11ab + 24b2
A. (a + 3b)(a - 8b) B. (a - 3b)(a - 8b) C. (a + 3b)(a + b) D. Prime
Solve the problem.Newton's Law of Cooling states that the temperature of a heated object decreases exponentially over time toward the temperature of the surrounding medium. Suppose that a coffee is served at a temperature of 146°F and placed in a room whose temperature is 70°F. The temperature ? (in °F) of the coffee at time t (in minutes) can be modeled by ?(t) = 70 + 76e-0.09t. What is the temperature of the coffee in 5 minutes?
A. 123.0°F B. 114.3°F C. 123.5°F D. 118.5°F
Perform the operation and give the answer as a fraction in lowest terms.
A.
B. -
C. -
D.