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11111nata11111 [884]
4 years ago
7

If the number of bacteria in a colony doubles every 105 minutes and there is currently a population of 45 bacteria,what will be

the population by 315 minutes from now?
Mathematics
2 answers:
Brums [2.3K]4 years ago
7 0

Answer:

180

Hope this helps :)

ira [324]4 years ago
4 0

360

Step-by-step explanation:

1st minute => 45 bacteria

105th minute => 45 x 2 = 90 bacteria

210th minute => 90 x 2 = 180 bacteria

315th minute => 180 x 2 = 360 bacteria

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6 0
3 years ago
370 College freshmen were interviewed. 200 were registered for an Advanced Math class. 270 were registered for an English class
frozen [14]

Answer:

Step-by-step explanation:

To aid in understanding, draw three circles...

100 were registered for both Math and English.

50 were registered for both Sport and English but not Math.

70 were registered for Math, Sport, and English.

From here we will be able to calculate for those that signed up for only English class: Total number of students that signed up for english class

a. none signed up only for Maths (refer to attached document)

b. How many signed up for neither Math nor English meaning they signed up for only sports which is 70 from the venn diagram in the attachment.

c. How many signed up for an English class and at least one other class?

From the venn diagram:

we could have an English class and maths class - 100

we could also have an a English class and sports - 50

Thus total is 150.

d. What is the total fee for all the students enrolled in classes

From the diagram, 120 (english only and sport only) enrolled for only one class = 120 x $100 = $12,000

From the diagram, 180 (english and sport, maths and sport and english and maths) enrolled for two classes = 180 x $150 = $27,000

From the diagram, only 70 enrolled for the three classes = 70 x $200 = $14,000

Total fees = $12,000 + $27,000 + $14,000 = $53,000

5 0
3 years ago
Heather's school is switching from block scheduling to a more traditional schedule. She is trying to determine how the parents a
k0ka [10]
Had to look for the options for this question and here is my answer.
Based on the given scenario above regarding Heather school's scheduling, I can say that the question that would be the most appropriate for her to ask is "How do you feel about your child having to take summer school in order to graduate based on this traditional schedule?" Hope this helps.
8 0
3 years ago
For two days ,Leo counted the number of Canadian geese in the park He counted 3 times as many geese on the first day as he did o
Bogdan [553]
There is not enough information to answer this question.
8 0
3 years ago
A top swimmer would be able to swim across a 25-meter pool in about 1/5
Anni [7]

Answer:

125 m/min

Step-by-step explanation:

Find the rate (speed) as follows:

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7 0
3 years ago
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