140 tickets sold at the door
Step by Step Explanation:
x = tickets sold in advance
y = tickets sold at the door
We use the formula ax+by=c and a+b=c
x + y = 514
17x + 20y = 9158
y = 514 - x
17x + 20(514 - x)
17x + 10,280 - 20x = 9,158
-3x + 10,280 = 9,158
-3x = -11222
x = 374
This is for tickets sold in advance so we need to find y
374 + y = 514
y = 140
140 tickets were sold at the door
Answer:
<h2>x > 3+y</h2>
Step-by-step explanation:
![Subtract- y- from- both -sides.\\-x (less than)-3-y\\2 Multiply both sides by -1.\\x (greater than ) 3+y](https://tex.z-dn.net/?f=Subtract-%20y-%20from-%20both%20-sides.%5C%5C-x%20%28less%20than%29-3-y%5C%5C2%20Multiply%20both%20sides%20by%20-1.%5C%5Cx%20%28greater%20than%20%29%203%2By)
length of pipe= 30m
Inside dia. = 1.2m
Outside dia. = 1.8m
Volume of concrete= (outside dia. - inside dia.)h
V= (pi)
v= [(3.14*0.9*0.9)-(3.14*0.6*0.6)]30
v= (3.3534-1.1304)30
v=(2.233)30 = 66.690m cube
since it's volume the answer 66.690 is in cubic meters.
22% = 22/100
22/100 * 14.50 = 3.19 (this is the amount discounted off original price)
14.50 - 3.19 = $11.31
Answer:
![\blue{y = \dfrac{C + 2k}{2}}](https://tex.z-dn.net/?f=%20%5Cblue%7By%20%3D%20%5Cdfrac%7BC%20%2B%202k%7D%7B2%7D%7D%20)
Step-by-step explanation:
![C = 2(y - k)](https://tex.z-dn.net/?f=%20C%20%3D%202%28y%20-%20k%29%20)
![C = 2y - 2k](https://tex.z-dn.net/?f=%20C%20%3D%202y%20-%202k%20)
![C + 2k = 2y](https://tex.z-dn.net/?f=%20C%20%2B%202k%20%3D%202y%20)
![\dfrac{C + 2k}{2} = y](https://tex.z-dn.net/?f=%20%5Cdfrac%7BC%20%2B%202k%7D%7B2%7D%20%3D%20y%20)
![y = \dfrac{C + 2k}{2}](https://tex.z-dn.net/?f=%20y%20%3D%20%5Cdfrac%7BC%20%2B%202k%7D%7B2%7D%20)