Find the measures of angles A, B, and C in ?ABC.m?B = 3m?A m?C = m?A + 105
A. 15°, 45°, 120°
B. 10°, 30°, 115°
C. 14°, 42°, 124°
D. 10°, 30°, 140°
Answer: A
Mathematics
You might also like to view...
Solve.When a principal P earns an annual interest rate r compounded yearly, the amount A after t years is A = P(1 + r)t. How long will it take for a principal to double at 8% compounded annually? Round to the nearest whole year.
A. t ? 10 years B. t ? 9 years C. t ? 5 years D. t ? 8 years
Mathematics
Solve for x.625x = 3,125
A. 
B. 
C. 
D. 
Mathematics
Estimate by rounding as directed.532.432 - 175.21; nearest ten
A. 350 B. 340 C. 330 D. 360
Mathematics
Solve the problem.Write 490 out of 500 college students as a decimal and as a percent.
A. 9.8, 980% B. 0.98, 980% C. 0.98, 9.8% D. 0.98, 98%
Mathematics