Approximate the value of the expression to 2 decimal places.cos-1 (-0.7802) in degrees
A. 51.28?
B. 141.28?
C. -51.28?
D. 37.96?
Answer: B
Mathematics
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Change the improper fraction into a mixed number.
A. 2
B. 4
C. 3
D. 3
Mathematics
Provide an appropriate response. Solve the following quadratic equation using any method: 2x2 = 50
A. x = 5, -5 B. x = 5i C. x = 5 D. x = 5i, -5i
Mathematics
Decide whether the given functions are inverses.f = {(3, 16), (4, 24), (5, 32), (6, 40), (7, 48)}g = {16, 3), (24, 4), (32, 5), (40, 6), (48, 7)}
A. Yes B. No
Mathematics
Simplify the expression using the order of operations.-9 + 8(4)
A. -23 B. 41 C. 4 D. 23
Mathematics