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PilotLPTM [1.2K]
3 years ago
12

Ms groves has trays of paints for students in her art class. Each tray has 5 colors. One of the colors is purple. What fraction

of the colors in 20 trays is purple?
Mathematics
1 answer:
uysha [10]3 years ago
8 0
1/5 is the answer

5 × 20 =100
One of the colors is purple
20 of the paints are purple
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julia-pushkina [17]

You need to have variables one one side and constants on the other.  ax - ax + by = c - ax by = c - ax by/b = (c - ax)/b y = (c - ax)/b

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Given the linear programming problem, use the method of corners to determine where the minimum occurs and give the minimum value
algol [13]

Answer:

Minimum value of function C=x+10y is 63 occurs at point (3,6).

Step-by-step explanation:

To minimize :

                                   C=x+10y

Subject to constraints:

                                   x\leq 3---(1)\\y\leq 9---(2)\\x+y\geq 9----(3)\\x\geq 0\\y\geq 0

Eq (1) is in blue in figure attached and region satisfying (1) is on left of blue line

Eq (2) is in green in figure attached and region satisfying (2) is below the green line

Considering x+y\geq 9, corresponding coordinates point to draw line are (0,9) and (9,0).

Eq (3) makes line in orange in figure attached and region satisfying (3) is above the orange line

Feasible region is in triangle ABC with common points A(0,9), B(3,9) and C(3,6)

Now calculate the value of function to be minimized at each of these points.

                                    C=x+10y

at A(0,9)

                                     C=0+10(9)\\C=90

at B(3,9)

                                     C=3+10(9)\\C=93

at C(3,6)

                                     C=3+10(6)\\C=63

Minimum value of function C=x+10y is 63 occurs at point C (3,6).

3 0
3 years ago
I have to explained it in words pls help
lys-0071 [83]

9514 1404 393

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The y-intercept is the value of y when x=0. The problem statement tells you that x is the number of miles driven, and y is the rental cost.

When the number of miles driven is zero, the rental cost is ...

  y = 2.25×0 +70

  y = 70

The cost of renting the truck is $70 when it isn't driven anywhere. The y-intercept ($70) is the basic, fixed cost of truck rental.

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If x=1 (1 mile driven), then 2.25 is added to the cost of the truck rental. The slope (2.25) is the cost per mile driven. (That mileage cost is added to the basic rental cost.)

6 0
2 years ago
What is the least common denominator for 13/108 and 23/233
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The first one stays the same as it does not simplify =108

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