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Archy [21]
2 years ago
8

in a class of 48 student,30 are boys . what is the probability that a girl is picked randomly to represent the class in a debate

​
Mathematics
2 answers:
son4ous [18]2 years ago
8 0

Answer:

so the answer is that please mark as brainly ness

<em>thank you</em><em> </em>

Valentin [98]2 years ago
4 0

answer

in a class of 48 student,30 are boys . what is the probability that a girl is picked randomly to represent the class in a debate

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He used 17/3 feet = 5 and 2/3 feet

Step-by-step explanation:

∵ He bought 9 and 1/3 feet = 28/3 feet

∵ He had 3 and 2/3 feet left = 11/3 feet

∴ He used = 28/3 - 11/3 = 17/3 feet = 5 and 2/3 feet

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There are 20 boys and 25 girls in a classroom what is the ratio of girls to boys
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What is the surface area of a cube whose edges are 11 inches long?
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3 years ago
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What is the value of x?
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Answer:

Step-by-step explanation:

10

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3 years ago
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You and your friend are selling tickets to a charity event. You sell 11 adult tickets and 8 student tickets for $158. Your frien
svetlana [45]
So what we have to do to solve this problem is to write down those values in 2 equations (one that represents what you sold and the other what your friend sold) compare them and find how much each ticket is worth.
First equation : 11x + 8y = 158
Where x = how much each adult ticket is
and y = how much each student ticket is

The second equation is : 5x + 17y = 152

Using the method of substitution , we can compare each equation side by side:
11x + 8y = 158
5x + 17y = 152
Now we need to set one of the variables of both equations so they are equal:
11(5)x + 8(5) = 158(5)
5(11)x + 17(11)x = 152(11)

55x + 40y = 790
55x + 187y = 1672

Then we subtract the second equation by the first one

55x-55x + 187y - 40y = 1672 - 790
147y = 882
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11x + 8y = 158
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So the awnser is :
Each adult ticket (x) is $10
And each student ticket (y) is $8
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