The answer is no solution. 5x and -5x cancel each other out which means that it will be 0=18 which is not true. That’s why it is no solution
Answer: ![21.75\ milliliters](https://tex.z-dn.net/?f=21.75%5C%20milliliters)
Step-by-step explanation:
Let be "x" the original volume of the solution (in milliliters) before the acid was added and "y" the volume of the solution (in milliliters) after the addition of the acid.
Set up a system of equations:
![\left \{ {{x+y=90} \atop {y=3x+3}} \right.](https://tex.z-dn.net/?f=%5Cleft%20%5C%7B%20%7B%7Bx%2By%3D90%7D%20%5Catop%20%7By%3D3x%2B3%7D%7D%20%5Cright.)
Applying the Substitution Method, you can substitute the second equation into the first equation and then solve for "x":
Answer:
3:4
Step-by-step explanation:
Before we start to deal with the ratio, we need all lengths in the same units.
The width is 18 inches.
The height is 2 feet.
Let's convert the height to inches. Then we will have both dimensions in the same units, inches.
2 ft * (12 in.)/ft = 24 in.
Now we have:
width = 18 in.
height = 24 in.
ratio of width to height = 18 in. to 24 in. = 18/24 = 3/4 = 3:4
H(x) = (8x)/x(x^2 - 81)
hx = 2^3(x^2 - 81)
hx = 2^3 • x^2 - 2^3 • 81