Solve the problem.Ethan was asked by his teacher to subtract 15 from a certain number and then divide the result by 5. Instead, he subtracted 5 and then divided the result by 15, giving an answer of 30. What would his answer have been if he had worked the problem correctly?
A. 88
B. 44
C. 91
D. 89
Answer: A
Mathematics
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Solve the triangle. If there is more than one triangle with the given parts, give both solutions.? = 18.7°b = 9.55a = 9.93
A. ? = 160.5°, ? = 0.8°, c = 0.42 B. No solution C. ? = 19.5°, ? = 141.8°, c = 18.4; ?' = 160.5°, ?' = 0.8°, c' = 0.42 D. ? = 19.5°, ? = 141.8°, c = 18.4
Mathematics
Find the value of each square root by use of a calculator. Each number is approximate.
- 
A. 0.0629 B. 0.0754 C. 0.0736 D. 0.0861
Mathematics
Solve the equation.1 - 
= 
A. 
B. -2
C. - 
D. 2
Mathematics
Write the complex number in polar form.2 + j
A. 2(cos 26.57° + j sin 26.57°)
B. (cos 26.57° + j sin 26.57°)
C. 
(cos 26.57° + j sin 26.57°)
D. 
(cos 26.57° + j sin 26.57°)
Mathematics