Solve the problem.Ariel, a marine biologist, models a population P of crabs, t days after being left to reproduce, with the function
Assuming that this model continues to be accurate, when will this population become extinct? (Round to the nearest day.)
A. 547 days
B. 911 days
C. 1512 days
D. 707 days
Answer: A
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The average enrollment E at a nearby school t years after 2010 is given by the following table. Use an exponential model for these data to determine the yearly percentage decrease in enrollment each year since 2010. Round your answer to two decimal places. t 0 1 2 3 E 982.00 873.98 777.84 692.28?
A. 11.00% B. 13.00% C. 89.54% D. 89.00%
Find the gross earnings.Gross sales: $5148Sales returns: $494Net quota: $1007Commission rate: 9%
A. $418.86 B. $328.23 C. $372.69 D. $329.13
If AB ? BC and PQ ? QR, then
(a) ?BAC ? ?BCA. (b) ?ABC ? ?PQR. (c) ?QPR ? ?QRP. (d) All of these are valid conclusions. (e) Both (a) and (c) are correct.
Two cards are drawn from a standard deck of cards, and one of the two cards is noted and removed. Find the probability of drawing the second card, given the information about the removed card.
?
What will be an ideal response?