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Katen [24]
3 years ago
14

Solve the following equation, and check your solution. Show all of your work.

Mathematics
2 answers:
Aleks04 [339]3 years ago
6 0
N = 250 Hope this help
Margaret [11]3 years ago
4 0
N=250 that is the answer
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Can somebody help this is due in an hour
STALIN [3.7K]
18x-16y=5
Subtract 18x from each side
-16y=-18x+5
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3 years ago
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If you flip a fair coin 7 times, what is the probability that you will get exactly 4 tails?
andre [41]

Probability that you will get exactly 4 tails, if you flip a fair coin 7 times is: \frac{35}{128}

Step-by-step explanation:

We need to find the probability that you will get exactly 4 tails, if you flip a fair coin 7 times.

This is the combination question.

The total combinations will be: 2^7=128

Now, finding number of ways we can get exactly 4 tiles:

We will use the formula:

^nC_k=\frac{n!}{k!(n-k)!}

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Putting values:

^nC_k=\frac{n!}{k!(n-k)!}\\^7C_4=\frac{7!}{4!*3!}\\ ^7C_4=\frac{7*6*5*4!}{4!*3!}\\ ^7C_4=\frac{7*6*5}{6}\\ ^7C_4=35

So, Probability that you will get exactly 4 tails, if you flip a fair coin 7 times is: \frac{35}{128}

Keywords: Probability

Learn more about Probability at:

  • brainly.com/question/1637111
  • brainly.com/question/2254182
  • brainly.com/question/2264295

#learnwithBrainly

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3 years ago
The cover of a photo album has an area of 97.5 square inches. find its arwa in square centimeters
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Step-by-step explanation:

Constant= # without variable

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