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S_A_V [24]
3 years ago
5

A small town currently has a population of 15,000. Each year the population decreases by 2.25%. What will the population be in 8

years
Mathematics
1 answer:
kolbaska11 [484]3 years ago
6 0

Answer: 12,503 people

Step-by-step explanation:

This is an exponential decrease so to find the population in 8 years you have to use a future value formula:

= Amount * (1 + rate) ^ number of years

= 15,000 ( 1 + (-2.25%)) ⁸

= 15,000 * (1 - 2.25%)⁸

= 12,503.32

= 12,503 people

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GIVING BRAINLEST!
balu736 [363]

Answer:

3 2/3

Step-by-step explanation:

To do this question, you would need to multiply 7 1/3 with 1/2. The answer is 3 2/3.

8 0
2 years ago
Read 2 more answers
5x-7y=-2<br> -5x-10y=-15
seraphim [82]

{5x-7y=-2

<u>{-5x-10y=-15     </u>(+)

<em>5x-5x-7y-10y=-17</em>

<em> </em>-17y=-17    /:(-17)

  y=1

<em /><em>5x-7 *1=-2</em>

<em />5x-7=-2    /+7

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8 0
3 years ago
A shipping container in the shape of a rectangular solid must have a volume of 84 cubic meters. The client tells the manufacture
Zolol [24]

Answer:

The Length , width and height of solid are 4 feet , 3 feet and 7 feet respectively.

Step-by-step explanation:

Let the width of rectangular solid be x

We are given that the length of the container must be one meter longer than the width

So, Length of solid = x+1

We are also given that height must be one meter greater than twice the width

So, Height of solid = 2x+1

So, Volume of solid = Length \times Width \times height

Volume of solid = (x+1) \times x \times (2x+1)

Volume of solid =(x^2+x)(2x+1)

Volume of solid =2x^3+x^2+2x^2+x=2x^3+3x^2+x

We are given that  a rectangular solid must have a volume of 84 cubic meters

So, 2x^3+3x^2+x=84\\2x^3+3x^2+x-84=0\\(x-3)(2x^2+9x-28)=0\\

On equating

x-3=0

x=3

So, Length of solid = x+1=3+1 = 4 feet

Height of solid = 2x+1 =2(3)+1=7 feet

Width of solid = 3 feet

Hence The Length , width and height of solid are 4 feet , 3 feet and 7 feet respectively.

8 0
3 years ago
Pls help asap:)!&lt;3 Ty
a_sh-v [17]

Answer:

7y

Step-by-step explanation:

7yg^0 is equal to 7y(1). Anything to the power of 0 is equal to 1. This means that the expression will be equal to 7y times 1 or 7y.

If this has helped please mark as brainliest

4 0
3 years ago
Find x to the nearest tenth.
Liono4ka [1.6K]
The correct answer is 18.7.

So I kind of went an indirect way but I can explain it all. I ignored the 15°. The box in the right correct means that angle is 90°. Since a triangle is always 180°, I subtracted 90 and 15 from 180. That gives you 75°. Now that you know that you can use tangent from SOH CAH TOA. So... tan75= x/5 which turns into 5tan75°. Plug that into a calculator and you get 18.66 which rounds to 18.7.

If you need anymore help I'm here. Hope I helped :) Good luck!
5 0
3 years ago
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