Suppose the presence of phosphates in certain waste products dumped into a lake promotes the growth of algae. Rampant growth. of algae affects the oxygen supply in the water, so an environmental group wishes to estimate the area of algae growth. The group measures the length across the algae growth (see the figure) and obtains the data (in feet) in the table. Length X 0 0 50 10 12 60 20 15 70 30 15 80 40 27 Use 8 rectangles with bases of 10 feet and lengths measured at the left-hand endpoints to approximate the area of the algae growth. (Give an exact answer. Do not round.) 2680 x sq ft x 0 Length 24 21 20 0 Algae growth 10 20 30 40 50 60 70 NO
Suppose the presence of phosphates in certain waste products dumped into a lake promotes the growth of algae. Rampant growth. of algae affects the oxygen supply in the water, so an environmental group wishes to estimate the area of algae growth. The group measures the length across the algae growth (see the figure) and obtains the data (in feet) in the table. Length X 0 0 50 10 12 60 20 15 70 30 15 80 40 27 Use 8 rectangles with bases of 10 feet and lengths measured at the left-hand endpoints to approximate the area of the algae growth. (Give an exact answer. Do not round.) 2680 x sq ft x 0 Length 24 21 20 0 Algae growth 10 20 30 40 50 60 70 NO
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:Suppose the presence of phosphates in certain waste products dumped into a lake promotes the growth of algae. Rampant growth
of algae affects the oxygen supply in the water, so an environmental group wishes to estimate the area of algae growth. The
group measures the length across the algae growth (see the figure) and obtains the data (in feet) in the table.
x
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Length
0
12
15
15
0
10
20
30
40
27
Use 8 rectangles with bases of 10 feet and lengths measured at the left-hand endpoints to approximate the area of the algae
growth. (Give an exact answer. Do not round.)
2680
x sq ft
9555
50
60
70
80
Length
24
21
20
0
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Algae growth
0 10 20 30 40 50 60
70 80
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