Tell which set or sets each number belongs to: natural, whole, integer, rational, irrational, real.2?
A. Real, irrational, whole
B. Real
C. Real, irrational
D. Real, rational
Answer: C
Mathematics
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Solve using the percentage formula.What number is 75% of 600?
A. 4.5 B. 450 C. 45 D. 4,500
Mathematics
Determine whether the function is a solution of the wave equation.w = sin(10x + 10ct)
A. Yes B. No
Mathematics
Evaluate the expression for the given replacement values.2x - y
for x = 6, y = -18
A. 26 B. -6 C. 30 D. 14
Mathematics
How many subsets does {a, e, i, o, u, y} have?
A. 26
B. 
C. 6!
D. 62
E. none of these
Mathematics