Answer:
189 gallons
Step-by-step explanation:
7 gallons for 3 classrooms, so 7/3 for 1 classroom
multiply 7/3 * 129 to get 301 gallons at North High School
multiply 7/3 * 48 to get 112 gallons at Edgewater Elementary
301 - 112 = 189 gallons more at North High School than at Edgewater Elementary
Answer:
25% or ¼
Step-by-step explanation:
We are told that the milk contains 2% (0.02) fat and gross cream contains 18%(0.18) that makes you contain 6%(0.06)
Let x be the volume of the cream in the mixture.
Since 1 cup, then volume of milk in the mixture will be; (1 - x)
Setting up the equation, we have;
0.18x + 0.02(1 - x) = 0.06
0.18x + 0.02 - 0.02x = 0.06
0.16x = 0.06 - 0.02
x = 0.04/0.16
x = 0.25
Converting to percentage gives; 25% or ¼
Y = 3.5x + 6
Shows the 6 inital fee plus the 3.50 for each pound
The function (fg)(x) is a composite function
The value of the function (fg)(x) is 2x^3 + 7x^2 - 19x - 20
<h3>How to determine the function (fg)(x)?</h3>
The functions are given as:
f(x) = 2x^2 - 3x - 4 and g(x) = x + 5.
To calculate (fg)(x), we make use of
(fg)(x) = f(x) * g(x)
So, we have:
(fg)(x) = (2x^2 - 3x - 4) * (x + 5)
Expand
(fg)(x) = 2x^3 - 3x^2 - 4x + 10x^2 - 15x - 20
Collect like terms
(fg)(x) = 2x^3 - 3x^2 + 10x^2 - 4x - 15x - 20
Evaluate
(fg)(x) = 2x^3 + 7x^2 - 19x - 20
Hence, the function (fg)(x) is 2x^3 + 7x^2 - 19x - 20
Read more about composite function at:
brainly.com/question/10687170