Add. Do not use a number line except as a check.17 + (-1) + 2 + (-20) + 17 + (-7)
A. -64
B. 8
C. 6
D. 4
Answer: B
Mathematics
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Solve the problem.If you measure the circumference of a circle to be 20 inches, estimate the length of its radius. Use ? on your calculator and round to the nearest hundredth.
A. 3.18 in. B. 4.18 in. C. 6.37 in. D. 3.33 in.
Mathematics
Determine the given complex number raised to a power and write the answer in rectangular form.
3
A. -500
+ 500
i
B. 5
+ 5
i
C. 50
+ 50
i
D. 15
+ 15
i
Mathematics
Find a formula for the nth term of the sequence.The sequence 0, -1, 0, 1, 0, -1, 0, 1, . . . (0, -1, 0, 1 repeated)
A. an = sin(n?)
B. an = cos(n?)
C. an = cos
D. an = sin
Mathematics
Determine the direction angle ? of the vector, to the nearest degree.w = 
A. 286° B. -16° C. 344° D. 106°
Mathematics