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finlep [7]
3 years ago
6

Please help me with this

Mathematics
1 answer:
kondaur [170]3 years ago
4 0
For number 1a. the answer is 7 to 26 or
7:26 or
\frac{7}{26}
For number 2a. the answer is 8 to 28 or
8:28 or
\frac{8}{28}  or    \frac{2}{7}
For number 3a. the answer is 12 to 13 or
12:13 or
\frac{12}{13}
For number 4a. the answer is 19 to 12 or
19:12 or
\frac{19}{12}
For number 5a. the answer is 29 to 10 or
29:10 or
\frac{29}{10}
For number 6a. the answer is 11 to 28 or
11:28 or
\frac{11}{28}

I just did your homework
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2+4 I hope
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The following table shows the estimated populations and annual growth rates for four countries in the year 2000. Find the expect
Liula [17]

Answer:

After 25 years the population will be:

  • Australia: 22271200
  • China: 1580220878
  • Mexico: 157380127
  • Zaire: 112794819

Step-by-step explanation:

Growth rate problem that has a growth rate proportional to the population size can be solved using the equation:

 P(t) = P₀eʳᵗ

  • t is your unit of time. It could be days, or hours, or minutes. It changes depending on each problem. In this problem, t is measured in years because you're jumping from 2000 to 2025. Years just makes the most sense to measure that leap in time.
  • P(t) is the population at time t. An example in this problem could be P(20) would be the population 20 years after the initial count. or maybe P(12) would be the population 12 years after the initial count. or P(0) would be the initial count of the population.
  • P₀ is the initial population at P(0)
  • r is the growth rate.<u><em> Don't forget to convert the percentage to its decimal form</em></u>

Now that everything is set out, lets use the equation to solve for our answer.

P(t) = P₀eʳᵗ

<u>Australia:</u>

P(t)=(19169000)e^{(0.006)t}

after 25 years

P(25)=(19169000)e^{(0.006)(25)}=22271200.6

<u>China:</u>

P(t) = (1261832000)e^{(.009)t}

after 25 years:

P(25)=(1261832000)e^{(.009)(25)}=1580220878

<u>Mexico:</u>

P(t) = (100350000)e^{(0.018)t}

after 25 years:

P(25)=(100350000)e^{(0.018)(25)}=157380127.8

<u>Zaire:</u>

P(t) = (51965000)e^{(0.031)t}

after 25 years:

P(25)=(51965000)e^{(0.031)(25)}=112794819.9

6 0
3 years ago
PLEASE help me with THIS QUESTIOn plz ASAP thank u.
Lyrx [107]
It would be: if you want me to explain let me know

6 0
3 years ago
Read 2 more answers
What is the GFC of 4st,12s
ozzi
They are 1 and 3!

Hope this helped! :)
6 0
3 years ago
Read 2 more answers
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