Find the value of the trigonometric function.cot (-259.7°)
A. -0.182
B. -5.50
C. 0.984
D. 1.75
Answer: A
Mathematics
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Use properties of logarithms to expand the logarithmic expression as much as possible. Where possible, evaluate logarithmic expressions without using a calculator.log4(16x)
A. 2 log4 x B. 8 + log4 x C. 2x D. 2 + log4 x
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Pick the best choice by estimating. Do not measure. For metric measurements, do not attempt to convert to the U.S. system. The area of a classroom is __________. ?
A. 0.5 acre B. 1,000 ft2 C. 0.15 acre D. 100 ft2 E. 0.55 acre
Mathematics
Find the exact value of the trigonometric expression without the use of a calculator.sin 190° cos 70° - cos 190° sin 70°
A. 
B. - 
C. - 
D. - 
Mathematics
For problems 13-15 use the given graph of a quadratic function.
Estimate the vertex.
A. 
B. 
C. 
D. 
E. none of these
Mathematics