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kirill115 [55]
3 years ago
15

The population of a town increase exponentially at a rate of x% per year.

Mathematics
2 answers:
leva [86]3 years ago
5 0

Answer:Plug the numbers into the exponential growth formula: 

Now work backwards to get the answer:

1)Divide 120150 by 60100 to get 1.998668885

2) Find the 11th root of ANS:

3) Minus 1 from your answer to give 0.064976629

4)Multiply your answer by 100 to give you the rate of x%, which is 6.5 to 1d.p

x=6.5 (1 d.p.)

Btw, this answer also works if you plug it back into the equati

Step-by-step explanation:

Harlamova29_29 [7]3 years ago
4 0

Answer:

Someone who can do it idk

Step-by-step divide 2000

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Answer:

42 pieces

Step-by-step explanation:

you do 378÷9

then you'll get the answer which is 42 pieces

6 0
3 years ago
Two airplanes leave an airport at the same time, flying in the same direction. One plane is flying at twice the speed of the oth
olasank [31]

Answer:

One plane has a speed of 450 km/h and the other has a speed of 900 km/h.

Step-by-step explanation:

I am going to say that:

The speed of the first plane is x.

The speed of the second plane is y.

One plane is flying at twice the speed of the other.

I will say that y = 2x. We could also say that x = 2y.

Two airplanes leave an airport at the same time, flying in the same direction

They fly in the same direction, so their relative speed(difference) at the end of each hour is y - x = 2x - x = x.

If after 4 hours they are 1800 km apart, find the speed of each plane

After 1 hour, they will be x km apart. After 4, 1800. So

1 hour - x km apart

4 hours - 1800 km apart

4x = 1800

x = 1800/4

x = 450

2x = 2*450 = 900

One plane has a speed of 450 km/h and the other has a speed of 900 km/h.

3 0
3 years ago
Do you know the answer ??
bazaltina [42]

Answer: The answer is 6

7 0
3 years ago
Solve each equation (x+8)(x-2)=-9
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X=1, x=-7 would be the correct answer.
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