Express the number in decimal notation.8.1 × 105
A. 81,000
B. 8,100,000
C. 405
D. 810,000
Answer: D
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Add the given vectors by using the trigonometric functions and the Pythagorean theorem.A = 119, ?a = 95°B = 186, ?b = 180°
A. R = 220.8, ? = 57.4° B. R = 229.4, ? = -31.1° C. R = 220.8, ? = 148.9° D. R = 229.4, ? = 148.9°
Find the unknown side of the right triangle. Use a calculator or square root table when necessary and round to the nearest thousandth.
16 cm
A. 281 cm B. 10.5 cm C. 16.763 cm D. 140.5 cm
Solve the problem.A rectangular carpet has a perimeter of 238 inches. The length of the carpet is 77 inches more than the width. What are the dimensions of the carpet?
A. 98 by 119 in. B. 70 by 91 in. C. 108.5 by 119 in. D. 98 by 21 in.
Perform the indicated operation(s), whenever possible.Let A = 
and B = 
. Find 
A. 
B. 
C. 
D. 