The doubling time of a certain bacteria culture is 18 hr. What is the growth rate? Round to the nearest tenth of a percent.

What will be an ideal response?


3.9% per year

Mathematics

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Find the value of the indicated trigonometric function of the angle ? in the figure. Rationalize the denominator where necessary.Find sin ?.

A.
B.
C.
D.

Mathematics

Simplify the expression by combining like terms, if possible.1 + 7(13 - 3m)

A. 21m + 92 B. -21m + 92 C. -21m + 91 D. -3m + 92

Mathematics

You are given the probability that an event will happen. Find the probability that the event will not happen. ? ?

A.
B. ?
C. ?
D.
E.

Mathematics

Simplify. Assume that all variables represent nonzero integers.2a

A. x10a2+2a B. x10a2+1 C. x7a+1 D. x10a+2

Mathematics