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madam [21]
3 years ago
10

QR is the midsection of triangle GHJ, what is the length of QR?

Mathematics
1 answer:
Xelga [282]3 years ago
6 0

Answer:

Step-by-step explanation:

QR = 27 ÷ 2 = 13.5

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Roger owns a one-acre piece of land. The length of the land is 484 feet. What is the width of his property?
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Answer:

W = 90 ft

Step-by-step explanation:

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A = 43560

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8. The Last Supper
Salsk061 [2.6K]

The number of possible seats is an illustration of permutation

There are 1728 possible sitting arrangements

<h3>How to determine the number of seats</h3>

From the question, we have the following highlights:

  • Chris can only take 1 seat (i.e. the central seat)
  • Jo can take 2 seats (i.e. the seats adjacent the central seat)
  • Alex, Barb and Dave can take 3! number of seats
  • Eddie, Fred, and Gareth can take 3! number of seats on the right of Chris.
  • The remaining 4 adults do not have preference, then they can seat in 4! ways

So, the number of sitting arrangement is:

n = 1 * 2 * 3! * 3! * 4!

Evaluate the product

n = 1728

Hence, there are 1728 possible sitting arrangements

Read more about permutation at:

brainly.com/question/12468032

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