Find the area.
A. 225 m2
B. 60 m2
C. 112.5 m2
D. 30 m2
Answer: A
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Determine which law applies. Then solve the triangle, if possible. Round angles to the nearest tenth when necessary, and round side lengths to the nearest hundredth when necessary.a = 6.1b = 14c = 17.6
A. Law of sines; A = 16°, B = 45.2°, C = 118.8° B. Law of cosines; no solution C. Law of cosines; A = 18°, B = 45.2°, C = 116.8° D. Law of cosines; A = 20°, B = 43.2°, C = 116.8°
Find the value of c for which the expression is a perfect square trinomial. Then factor the perfect square trinomial.x2 + 14x + c
A. c = 7; x2 + 14x + 7 = (x + 49)2 B. c = 14; x2 + 14x + 14 = (x + 196)2 C. c = 49; x2 + 14x + 49 = (x + 7)2 D. c = 196; x2 + 14x + 196 = (x + 14)2
Solve the problem.How many different 10-letter words can be formed from the letters in the word ACCOUNTING?
A. 1,814,400 B. 907,200 C. 90,720 D. 3,628,800
Use Cramer's Rule (if applicable) to solve the system of equations.
A. {(-2, 5)} B. {(-5, -2)} C. {(5, 2)} D. {(2, 5)}