Mathematics, 28.10.2020 04:20 razielcornils04
A microbiologist is growing bacteria cultures in the lab. After 5 minutes, a bacteria colony has 1.3
million organisms. After 12 minutes, the same colony has 41.5 million organisms. After 15 minutes, the
colony has grown to 101.3 million organisms. Is this a proportional or non-proportional relationship?
A Proportional; the constant of proportionality is 6.8 million organisms/minute
B Proportional; the constant of proportionality is 3.5 million organisms/minute
C Non-proportional; the rate of change is 19.9 million organisms/minute
D Non-proportional; there is no constant rate of change
Answers: 3
Mathematics, 21.06.2019 17:30
Gregory draws a scale drawing of his room. the scale that he uses is 1 cm : 4 ft. on his drawing, the room is 3 centimeters long. which equation can be used to find the actual length of gregory's room?
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Mathematics, 21.06.2019 20:30
The frequency table shows the results of a survey comparing the number of beach towels sold for full price and at a discount during each of the three summer months. the store owner converts the frequency table to a conditional relative frequency table by row. which value should he use for x? round to the nearest hundredth. 0.89 0.90 0.92 0.96
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Mathematics, 22.06.2019 01:30
Robert is placing sod in two square shaped areas of his backyard. one side of the first area is 7.5 feet. one side of the other area is 5.7 feet. the sod costs y dollars per square foot
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Mathematics, 22.06.2019 01:50
Lesson 9-3 for items 8-10, a square is drawn in the coordinate plane, with vertices as shown in the diagram. then the square is reflected across the x-axis. -2 4 8. the function that describes the reflection is (x, y) - a. (x, y-3). b. (x, y-6). c. (-x, y). d. (x,- y).
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A microbiologist is growing bacteria cultures in the lab. After 5 minutes, a bacteria colony has 1.3...
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