Perform the conversion. Round to the nearest hundredth when necessary.114 mi to km
A. 183.54 km
B. 120.84 km
C. 107.84 km
D. 70.79 km
Answer: A
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Determine the measure of the interior angle at vertex A.
A. 168 B. 120 C. 84 D. 60
Solve the problem.A survey is taken to determine if Social Security should be privatized. Eight hundred players in a national bridge tournament are randomly surveyed. The survey found strong opposition to the concept of privatization. This conclusion might be invalid because
A. the size of the sample is too small. B. of the placebo effect. C. the sample is not representative of the population. D. there was no control group. E. none of these
Is there a number a such that
exists? If so, find the value of a and the value of the limit.
Select the correct answer.
a. a = 15 , limit equals –0.6
b. a = 15 , limit equals 0.6
c. a = –15 , limit equals 0.6
d. a = –15 , limit equals –0.6
e. a = 15 , limit equals 18
Rewrite the expression as an equivalent expression that does not contain powers of trigonometric functions greater than 1.f(x) = 8 cos2 x
A. 4 - 4 cos 2x B. 1 + cos 2x C. 16 cos x D. 4 + 4 cos 2x