Based on data collected during an experiment, a biologist found that the number of fruit flies (Drosophila) with a limited food supply could be approximated by the exponential model
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where t denotes the number of days since the beginning of the experiment. Find the average number of fruit flies in the colony in the first 12 days of the experiment and in the first 22 days. Please round your answers to the nearest integer.
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The average number of fruit flies in the first 12 days : __________
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The average number of fruit flies in the first 22 days : __________
What will be an ideal response?
45; 50
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The following table shows total sales S, in dollars, t months after the first of the year. Use linear regression to model sales as a function of months since the first of the year. t 2 3 6 7 S 7539.36 11018.49 22235.76 25796.81
What will be an ideal response?
Find the Cartesian coordinates of the given point.
A. (10, 10)
B. (10
, 10
)
C. (5
, 5
)
D. (5
, 5)
Find the y- and x-intercepts for the equation. Then graph the equation.2x - 6y = 12
A. (0, -2); (-6, 0)
B. (0, 2); (-6, 0)
C. (0, -2); (6, 0)
D. (0, 2); (6, 0)
Solve the problem.A deli sells three sizes of chicken sandwiches: the small chicken sandwich contains 6 ounces of meat and sells for $2.50; the regular chicken sandwich contains 10 ounces of meat and sells for $3.00; and the large chicken sandwich contains 12 ounces of meat and sells for $3.50. A customer requests a selection of each size for a reception. She and the manager agree on a combination of 44 sandwiches made from 24 pounds 8 ounces of chicken for a total cost of $126. How many of each size sandwich will be in this combination? (Note: 1 pound = 16 ounces)
A. 22 small sandwiches, 10 medium sandwiches, 12 large sandwiches. B. 18 small sandwiches, 22 medium sandwiches, 4 large sandwiches. C. 20 small sandwiches, 16 medium sandwiches, 8 large sandwiches. D. 16 small sandwiches, 12 medium sandwiches, 16 large sandwiches.