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VashaNatasha [74]
3 years ago
12

Easy and also crown if right.

Mathematics
1 answer:
sergeinik [125]3 years ago
8 0

Answer:

  • - 8n + 9

Step-by-step explanation:

<u>Given</u>

  • A = -3n + 2
  • B = 5n - 7

Find A - B by substitution

  • A - B =
  • - 3n + 2 - (5n - 7) =
  • - 3n + 2 - 5n + 7 =
  • - 8n + 9
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Answer: 3/10 probability

Step-by-step explanation:

We are telling the probability with tenths, so we can say that the probability of the meteoroid landing on Earth is 3/10.

If the surface area of the world is approximately 7/10, or 70 percent, water, there is approximately 3/10, or 30 percent, chance of the meteoroid hitting land.

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3 years ago
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Ten children measured how high they could jump. The results they recorded, in inches, were as follows: 8, 9, 8, 6, 8, 12, 9, 10,
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Answer:

b) 9 in

Step-by-step explanation:

To find median arrange the data in ascending order and count the number of data's. if the total number of data is odd number, then (n/2)th term is the median.

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