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Basile [38]
3 years ago
14

Solve and show your work for each question.

Mathematics
2 answers:
aliina [53]3 years ago
5 0

0.45/1

Then multiply top and bottom by 100.

45/100

Then simplify!

45/100 divide top and bottom by 5.

9/20

Harlamova29_29 [7]3 years ago
4 0

Answer:

9/20

Step-by-step explanation:

You set the fraction up at first as 45/100. Then you know that 5 goes into each so you divide by 5 \frac{45}{100} /5

45/5=9

100/5=20

You get 9/20, and this is in simplest form.

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the answer is c

Step-by-step explanation:

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4 years ago
Hello I need help to past this test on math:
PIT_PIT [208]

All of the choices (1 , 2 , 3 and 4) are correct

3 0
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If 14 out of 20 like chocolate then how many people dislike chocolate?
Masteriza [31]
You know from the given information, there are 20 people in total. 
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20-14=6 

You know from this that 6 people do not like chocolate while 14 of them do 

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3 years ago
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6 0
3 years ago
The number of bacteria in a certain population increases according to a continuous exponential growth model, with a growth rate
Veronika [31]

It takes 8.35 hours for the size of the sample to double

Step-by-step explanation:

The form of the continuous exponential growth model is

A=Pe^{rt} , where

  • A is the new value
  • P is the initial value
  • r is the rate of growth or decay  in decimal
  • t is the time

∵ The growth rate is 8.3%

∴ r = 8.3 ÷ 100 = 0.083

∵ The size of the sample will doubled in t hours

∴ A = 2 P

Use the formula of the contentious exponential growth above

∵ 2P=Pe^{0.083t}

- Divide both sides by P

∴ 2=e^{0.083t}

- Insert ㏑ in both sides

∴ ln(2)=ln(e^{0.083t})

- Remember ln(e^{n})=n because ㏑(e) = 1

∴ ln(2)=0.083t

- Divide both sides by 0.083

∴ \frac{ln(2)}{0.083}=t

∴ t = 8.35 hours to the nearest hundredth

It takes 8.35 hours for the size of the sample to double

Learn more:

You can learn more about the logarithmic function in brainly.com/question/1447265

#LearnwithBrainly

4 0
4 years ago
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