Sketch the right triangle and find the length of the side not given. If necessary, approximate the length to the nearest thousandth.leg = 5, leg = 12
A. 2.646
B. 13
C. 10.909
D. 4.123
Answer: B
Mathematics
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Solve.x2 = 
A. ± 
B. 
C. ± 
D. 
Mathematics
Use the binomial theorem to expand the expression.(x - y)5
A. -x5 + 5x4y - 10x3y2 + 10x2y3 - 5xy4 + y5 B. x5 + 5x4y + 10x3y2 + 10x2y3 + 5xy4 + y5 C. x5 - y5 D. x5 - 5x4y + 10x3y2 - 10x2y3 + 5xy4 - y5
Mathematics
Perform the indicated operations.22 - 53 + 52 - 23
A. -104 B. 104 C. -96 D. 96
Mathematics
Use the Pythagorean identity.Find cos ?, given that sin ? = 
and ? ? ? < 2?
A. - 
B. 
C. - 
D. 
Mathematics