Evaluate the sum.

A.
B.
C.
D.


Answer: D

Mathematics

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Solve the problem. Round your answer, if appropriate.Electrical systems are governed by Ohm's law, which states that V = IR, where V = voltage, I = current, and R = resistance. If the current in an electrical system is decreasing at a rate of 6 A/s while the voltage remains constant at 28 V, at what rate is the resistance increasing (in ?/sec) when the current is 44 A? (Do not round your answer.)

A.  ?/sec
B.  ?/sec
C.  ?/sec
D.  ?/sec

Mathematics

An equation of the terminal side of an angle ? in standard position is given along with a restriction on x. Find the indicated trigonometric function value of ?. Do not use a calculator.-8x - 5y = 0, x ? 0; Find cos ?.

A. - 
B. - 
C.
D.

Mathematics

Given: ?1 ??3



Proof: STATEMENTS REASONS
m?1 = m?3 ________________________

Mathematics

Use a table of integrals to solve the problem.The rate of growth of a microbe population is given by  where x is time in days. What is the net growth between day 1 and day 3?

A. 15,062 B. 15,073 C. 30,175 D. 30,161

Mathematics