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-BARSIC- [3]
3 years ago
8

The population of the world in 1987 was 5 billion and the growth rate was estimated at 2% per year. Assume that the population f

ollows an exponential growth model. Find the projected world population in 1995. Give your answer in terms of billions of people.
Mathematics
1 answer:
guapka [62]3 years ago
8 0

Answer:

THIS IS JUST SIMPLE MULTIPLICATION LOLOLOLOLOLOLOOLOLOL HOW

Step-by-step explanation:

Gonna cryyyyyyyyyYy??????

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What is the solution to the following system?
hodyreva [135]

Answer:

The correct answer is option 3. (20, 4, 5)

Step-by-step explanation:

To solve this problem we use the substitution method.


3x + 10y -12z = 40 (i)


x-5y = 0 (ii)


x - 4z = 0 (iii)  

We start by clearing x in (iii) and clearing y in (ii).


x = 4z (iii)


y = \frac{1}{5}x (ii)


Now we substitute (iii) in (ii)


y = \frac{4}{5}z (iv)


Now we substitute (iii) and (iv) into (i) and clear z.


12z + \frac{40}{5}z -12z = 40 (v)


8z = 40

z = \frac{40}{8}

z = 5

If z = 5 (v)


We substitute (v) in (iii) and then substitute (v) in (iv)


x = 20\\y = 4\\z = 5

The correct answer is option 3.

7 0
3 years ago
The point (–4, –2) is reflected across the x-axis.
Sonbull [250]
The answer should be (-4,2)
4 0
3 years ago
Read 2 more answers
PPPLLLEEEAAASSSEEEE help ASAP! third time i have tried i need an answer right now!
Katarina [22]

Answer:

x=2(\sqrt{6} -1),x= -2(1+\sqrt{6} )

Step-by-step explanation:

3 0
3 years ago
If it takes 6.9 pounds of seed to plant one acre of grass , how many acres can be planted with 8.28 pounds of seeds
Vaselesa [24]
There's 1.2 times as much seed, so you can plant 1.2 times more land.

1.2x1=1.2

So you can only plant 1.2 acres.
6 0
3 years ago
What are three ratios that are equivalent to 8 : 20 8:20
goldfiish [28.3K]

Answer:

4:10 16:40 and 32:80

Step-by-step explanation:

5 0
3 years ago
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