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Sonbull [250]
3 years ago
8

The difference of twice a number and five is three. Find the number.

Mathematics
1 answer:
Katyanochek1 [597]3 years ago
8 0

Answer:

the second option would be the answer add 5 then multiply by

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Of all customers purchasing automatic garage-door openers, 70% purchase a chain-driven model. Let X = the number among the next
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Answer:

P(X > 10), n = 15, p = 0.7

P(X > 10) =P(10 < X ≤ 15) = P(11 ≤ X ≤ 15) = P(X = 11, 12, 13, 14, 15)

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Step-by-step explanation:

See attached image for detailed explanation

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D

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14 What are the solutions to the equation 3(x − 4)² = 27?
Marat540 [252]

Answer:

(1) 1 and 7

Step-by-step explanation:

Hello!

We can solve by isolating the variable.

<h3>Solve</h3>
  • 3(x - 4)² = 27
  • (x - 4)² = 9
  • √(x - 4)² = √9
  • (x - 4) = ± 3
  • x = 4 ± 3

There are two solutions, 1 and 7.

The answer is option 1: x = 7, x = 1.

4 0
2 years ago
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