The cost function representing the cost C ( x ) to the company to clean x offices per month where a cleaning company charges $ 100 for each office it cleans and the fixed monthly cost is $ 480 and the variable cost is $ 52 per office.
The cost function representing the cost C ( x ) to the company to clean x offices per month where a cleaning company charges $ 100 for each office it cleans and the fixed monthly cost is $ 480 and the variable cost is $ 52 per office.
Solution Summary: The author explains how the cost function for cleaning x offices per month is C(x).
To calculate: The cost function representing the cost C(x) to the company to clean x offices per month where a cleaning company charges $100 for each office it cleans and the fixed monthly cost is $480 and the variable cost is $52 per office.
(b)
To determine
To calculate: The Revenue function representing the revenue R(x) for cleaning x offices per month where a cleaning company charges $100 for each office it cleans and the fixed monthly cost is $480 and the variable cost is $52 per office.
(c)
To determine
To calculate: The number of offices to be clean for the company to break even where a cleaning company charges $100 for each office it cleans and the fixed monthly cost is $480 and the variable cost is $52 per office.
(d)
To determine
The company will make money or lose money if 28 offices are cleaned where a cleaning company charges $100 for each office it cleans and the fixed monthly cost is $480 and the variable cost is $52 per office.
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Solve the linear system of equations attached using Gaussian elimination (not Gauss-Jordan) and back subsitution.
Remember that:
A matrix is in row echelon form if
Any row that consists only of zeros is at the bottom of the matrix.
The first non-zero entry in each other row is 1. This entry is called aleading 1.
The leading 1 of each row, after the first row, lies to the right of the leading 1 of the previous row.
PRIMERA EVALUACIÓN SUMATIVA
10. Determina la medida de los ángulos in-
teriores coloreados en cada poligono.
⚫ Octágono regular
A
11. Calcula es número de lados qu
poligono regular, si la medida
quiera de sus ángulos internos
• a=156°
A= (-2x+80
2
156 180-
360
0 = 24-360
360=24°
• a = 162°
1620-180-360
6=18-360
360=19
2=360=
18
12. Calcula las medida
ternos del cuadrilá
B
X+5
x+10
A
X+X+
Sx+6
5x=3
x=30
0
лаб
• Cuadrilátero
120°
110°
• α = 166° 40'
200=180-360
0 =
26-360
360=20
ひ=360
20
18 J
60°
⚫a=169° 42' 51.43"
169.4143180-340
0 = 10.29 54-360
360 10.2857
2=360
10.2857
@Sa
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