Mathematics, 20.11.2020 22:30, brisamauro27
(Score for Question 1: of 4 points)
1. Emily filled an empty horse trough with water. The water level in centimeters, is proportional to time elapsed,
in minutes, since she began filling the trough. The graph shows this relationship.
Water Trough Level
y
35
y = 3.5x
30
25
(8, 28)
(6, 21)
Water level (cm)
20
15
10
o
5
(1, 3.5)
(0,0)
0 1 2 3 4 5 6 7 8 9 10
Time (min)
(a) What rate does the point (828) represent? Explain.
(b) What is the unit rate for the situation in terms of centimeters/minute? Explain.
(c) Explain how the points (828) and (621) show that the water level varies directly with the time
elapsed.
Answers: 2
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What is the value of y in the solution to the system of equations? x + y = 12x – 3y = –30a. –8b. –3c. 3d. 8
Answers: 1
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Brady has a 20 year fixed rate mortgage for $215,500 with monthly payments of 1,305.89.the annual interest rate is 4%. what is the total cost of the principal and interest for this loan rounded to the nearest dollar
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Acolony contains 1500 bacteria. the population increases at a rate of 115% each hour. if x represents the number of hours elapsed, which function represents the scenario? f(x) = 1500(1.15)" f(x) = 1500(115) f(x) = 1500(2.15) f(x) = 1500(215)
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(Score for Question 1: of 4 points)
1. Emily filled an empty horse trough with water. The water lev...
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