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Feliz [49]
3 years ago
7

At the fair, 2 corn dogs and 3 pretzels cost $13, and 5 corn dogs and 6 pretzels costs $28. How much

Mathematics
1 answer:
NemiM [27]3 years ago
5 0
Let x represent the cost of corn dogs. Let y represent the cost of pretzels.

2x+3y=13
5x+6y=28

Multiply the first equation by two so that we can eliminate y.

Subtract:
4x+6y=26
5x+6y=28

-x=-2
x=2

4(2)+6y=26
8+6y=26
6y=18
y=3

3 x 2 = 6
6+2=8

Therefore, 2 pretzels and a corn dog would cost $8.
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Step-by-step explanation:

12 - x < 7

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(whenever you multiply or divide an inequality by a negative you must switch the inequality symbol)

x > 5

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The square root of 72 is between which two whole numbers?
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The area of a rectangle is 84 square inches. the length of the rectangle is 2 longer than twice the width. find the width and th
IgorC [24]
Let l = the lentth of the rectangle and w = the width of the rectangle; where w>0 and l>0;
We have 84 = l x w and l = 2 + w;
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8 0
3 years ago
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Sophie [7]
I don’t know anything bro i’m stupid
7 0
4 years ago
find the probability for the experiment of drawing two marbles (without replacement) from a bag containing three green, three ye
SVETLANKA909090 [29]

The probability for the experiment of drawing two marbles (without replacement) from a bag containing three green, three yellow, and four red marbles =  0.0111

In this question we need to find the probability for the experiment of drawing two marbles (without replacement) from a bag containing three green, three yellow, and four red marbles.

Total marbles in tha bag

= 3 green marbles + 3 yellow marbles + 4 red marbles

= 10 marbles

the probability of drawing one marble from a bag,

P1 = 1/10

Now there are 9 marbles in the bag.

So, the probability of drawing second marble would be,

P2 = 1/9

So, the required probability of drawing two marbles (without replacement) from a bag would be,

P = P1 * P2

P = 1/10 * 1/9

P = 1/90

P = 0.0111

Therefore, the probability of drawing two marbles (without replacement) from a bag = 0.0111

Learn more about the probability here:

brainly.com/question/15124899

#SPJ4

4 0
2 years ago
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