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swat32
2 years ago
6

Solve for x and y

Mathematics
2 answers:
velikii [3]2 years ago
8 0

<u>Answer:</u>

The correct answer option is a) there are an infinite number of solutions

<u>Step-by-step explanation:</u>

We are given these two following equations:

15x = 5y - 5 --- (1)

y = 3x + 1 --- (2)

Solving these two by the substitution method by putting the value of y in equation (1).

15x = 5y - 5

15x = 5(3x + 1) - 1

15x = 15x + 5 - 5

5 and -5 get cancelled and we are left with 15 on both sides of the equation which will cancel each other.

Therefore, these equations have an infinite number of solutions.

Rainbow [258]2 years ago
5 0
The answer would be option B
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1. 3 packs of daffodils and 4 packs of tulips

2. then you would have 24 of each

3. $2.29

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Step-by-step explanation:

3.   4.50*4=18            5.75*3=17.25

18+17.25 -> 35.25*.065=2.29 rounded

4. 35.25+2.29=37.54

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8. 8+4=12

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6 0
3 years ago
22 gallons of gas cost $65.56. What is the unit rate for 1 gallon of gas?
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3 years ago
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Solve the LP problem. If no optimal solution exists, indicate whether the feasible region is empty or the objective function is
Volgvan

Answer:

(x,y)=(0,7.333)

Step-by-step explanation:

We are required to:

Maximize p = x + 2y subject to

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  • 2x + y ≤ 14
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The graph of the lines are plotted and attached below.

From the graph, the vertices of the feasible region are:

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At (4,6), p=4+2(6)=4+12=16

At (0,0), p=0

At (7,0), p=7+2(0)=7

Since 14.666 is the highest, the maximum point of the feasible region is (0,7.333).

At x=0 and y=7.333, the function p is maximized.

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