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Ratling [72]
1 year ago
11

The difference of two numbers is 12. Their sum is 28. Find the numbers.

Mathematics
1 answer:
Sindrei [870]1 year ago
7 0

Answer:

let the other number be x,

x-28=12

x=12+28

x=40

I hope it helps you

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Five whole numbers are written in order
xenn [34]

Answer:

The values of x and y is given by the equation 4x-y=20+y.

Step-by-step explanation:

Given : Five whole numbers are written in order  4 6 x y 10 , the mean and median of the five numbers are the same.

To find : The values of x and y ?

Solution :

Observations 4, 6, x, y, 10.

Mean is summation of observation divided by number of observation.

i.e. m=\frac{\sum x_n}{n}

m=\frac{4+6+x+y+10}{5}

m=\frac{20+x+y}{5}

Median is middle term of observations.

Median of odd terms M=\frac{n+1}{2}^{th} term

M=\frac{5+1}{2}^{th}

M=3^{rd} term

M=x

The mean and median of the five numbers are the same.

i.e. \frac{20+x+y}{5}=x

20+x+y=5x

4x-y=20+y

The values of x and y is given by the equation 4x-y=20+y.

5 0
3 years ago
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BARSIC [14]

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4 0
3 years ago
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nikitadnepr [17]

Answer:

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Step-by-step explanation:

7 0
2 years ago
A guitarist sets a goal to practice 200 minutes each week. If he only is going to practice 5 days during the week, which of the
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Answer:

40

Step-by-step explanation:

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The ratio of boys to girls in Mr. Hoda's art
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Answer:

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Step-by-step explanation:

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