Answer:
SOLUTION:-
- Let,last year population be x.
- We have last year population+Increased population=10,800
![x + 8\% \: of \: x = 10800](https://tex.z-dn.net/?f=x%20%2B%208%5C%25%20%5C%3A%20of%20%5C%3A%20x%20%3D%2010800)
![\displaystyle{x + \frac{8x}{100} = 10800 }](https://tex.z-dn.net/?f=%5Cdisplaystyle%7Bx%20%2B%20%20%5Cfrac%7B8x%7D%7B100%7D%20%3D%2010800%20%7D)
![\displaystyle{ \frac{100x + 8x}{100} = 10800}](https://tex.z-dn.net/?f=%5Cdisplaystyle%7B%20%5Cfrac%7B100x%20%2B%208x%7D%7B100%7D%20%20%3D%2010800%7D)
![\displaystyle{ \frac{108x}{100} = 10800}](https://tex.z-dn.net/?f=%5Cdisplaystyle%7B%20%5Cfrac%7B108x%7D%7B100%7D%20%20%3D%2010800%7D)
![108x = 10800 \times 100](https://tex.z-dn.net/?f=108x%20%3D%2010800%20%5Ctimes%20100)
![108x = 1080000](https://tex.z-dn.net/?f=108x%20%3D%201080000)
![x = \displaystyle{ \frac{1080000}{108} }](https://tex.z-dn.net/?f=x%20%3D%20%5Cdisplaystyle%7B%20%5Cfrac%7B1080000%7D%7B108%7D%20%7D)
![x = 10000](https://tex.z-dn.net/?f=x%20%3D%2010000)
Therefore,required last year population=10000
Answer: 9 sides
Step-by-step explanation: : Since the interior angle 140 degrees, the supplement of this is the exterior angle and equal to 40 degrees. Hence the number of sides is 360/40 = 9 sides.
You divide both numerator and denominator by a number that can easily divide into both evenly. Divide both by 7. 21 / 7 = 3 and 35 / 7 = 5 so Simplest form would be 3/5. :)
It makes it easier to multiply. For example 2*52. It's easier to do 2*50 and then 2*2 and add it together. Product is 104
Answer:
∠ S = 151°
Step-by-step explanation:
The sum of the interior angles of a polygon is
sum = 180° ( n - 2) ← n is the number of sides
Here n = 5, thus
sum = 180° × 3 = 540
Sum the interior angles and equate to 540
10x - 3 + 5x + 2 + 7x - 11 + 13x - 31 + 8x - 19 = 540, that is
43x - 62 = 540 ( add 62 to both sides )
43x = 602 ( divide both sides by 43 )
x = 14
Thus
∠ S = 13x - 31 = 13(14) - 31 = 182 - 31 = 151°