Solve the problem.It has been observed in one country, that 59 out of every 100 births is a baby with brown eyes. In 660 births how many brown eyed babies would you expect?
A. 389
B. 330
C. 59
D. 384
Answer: A
Mathematics
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An aqueous solution has a hydrogen concentration [H+] of 0.3 mol/L. Find the concentration of hydroxl ions [OH-] in the solution.
A. 3.33 × 1014 mol/L [H+] B. 3.33 × 10-14 mol/L [H+] C. 3.33 mol/L [H+] D. 3.33 × 10-13 mol/L [H+]
Mathematics
Find the reference angle for the given angle.5.2
A. 1.08 B. -2.06 C. -1.08 D. 2.06
Mathematics
Find the square roots.25
A. 10, -10 B. 5, -5 C. 6, -6 D. 7, -7
Mathematics
The graph of an exponential function is given. Match the graph to one of the following functions.
A. f(x) = -5-x B. f(x) = 5-x C. f(x) = -5x D. f(x) = 5x
Mathematics