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Andrei [34K]
2 years ago
12

A single bacterium is placed in a test tube and splits in two after one minute. After two minutes, the resulting two bacteria sp

lit in two, creating four bacteria. This process continues. How many bacteria are in the test tube after a half hour?
Mathematics
1 answer:
Taya2010 [7]2 years ago
8 0
2^30, or 1,073,741,824 bacteria after 30 minutes!!!!!! ☺☺☺☺

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Jane invested £4000 for 3 years with an interest rate of 1.5%. What was her investment worth at the end of this period?
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Answer:

$4182.7

Step-by-step explanation:= 4000*(1.5%)*3

Year 1= 4000*(100%+1.5%)= 4060

Year 2= 4060*(100%+1.5%)= 4120.9

Year 3= 4120.9*(100%+1.5%)= 4182.7

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Trisha and Malia went to the mall with their mom. Trisha spent $15.60 on a pair of sunglasses. Malia spent $29.80 more than Tris
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$113.50

Step-by-step explanation

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The house Trevor's family lives in has 6 66 people (including Trevor) and 3 33 bathrooms. In the past month, each person showere
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Answer:

The amount Trevor's family pay per minute on shower water is $0.005.

Step-by-step explanation:

The cost of water is,

Cost = $0.20/liter

Amount of water used over the entire month:

Amount of water used = 72 liters

Compute the total water cost as follows:

Total water cost = Amount of water used × Cost

                           = 72 × 0.20

                           = $14.4/liter

The average number of minutes each person showered is:

Average number of minutes = 480 minutes.

The number of people in Trevor's house:

N = 6

Compute the total amount of time the 6 person showered as follows:

Total amount of time = Average number of minutes × N

                                   = 480 × 6

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Compute the pay per minute on shower water as follows:

Pay per minute on water = Total water cost ÷ Total amount of time

                                          = $14.4 ÷ 2880

                                          = $0.005

Thus, the amount Trevor's family pay per minute on shower water is $0.005.

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