3 years ago

The sum of two numbers is 37, and one of the numbers is n. what is the other number?

Mathematics

1 answer:

ziro4ka [17]3 years ago

7 0

The answer would be x + y = 37 y = x + 5 x + (x + 5) = 37 2x = 32 x = 16 y = 21Hope I helped!

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Zinaida [17]

Answer:

The probability of of a randomly chosen student being exactly 21 years old.

= 1.293

Step-by-step explanation:

Step(i):-

Given Population size n = 500

Mean of the Population = 20 years and 6 months

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Standard deviation of the Population = 2 years

Let 'X' be the range of ages of the students on campus follows a normal distribution

Let x =21

$Z = \frac{x-mean}{S.D}$

$Z = \frac{x-mean}{S.D} = \frac{21-20.6}{2} =0.2$

The probability of a randomly chosen student being exactly 21 years old.

P( Z≤21) = 0.5 + A( 0.2)

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= 1.293

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At track practice,Sheila worked on the long jump. Her first jump measured 3 yards, 2 feet, 8 inches. Her second jump measured 2

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