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tatyana61 [14]
3 years ago
7

The mean of 6 numbers is 8.

Mathematics
1 answer:
shutvik [7]3 years ago
8 0

Answer: 8

Step-by-step explanation:

Given

Mean of the numbers is 8

If the ratio is 1:1:2:2:3:3

Suppose the numbers are x, x, 2x, 2x, 3x, 3x

Write the mean of the numbers

\Rightarrow \dfrac{x+x+2x+2x+3x+3x}{6}=8\\\\\Rightarrow \dfrac{12x}{6}=8\\\\\Rightarrow x=4

So, the numbers are 4, 4, 8,8 ,12,12

As the total numbers are even, median is the sum of the middle values

\Rightarrow \text{Median=}\dfrac{8+8}{2}\\\\\Rightarrow \text{Median=}8

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Adding &subtracting x-60=20
Alex777 [14]
Just add to find X
20 + 60 = 80
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X = 80
To make sure plug it in
80 - 60 = 20
The equation is true
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x = 80 is your answer
3 0
3 years ago
Simplify:<br><br>7j-6k-5j+4k<br><br>also what is 30% of 520
alukav5142 [94]
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7 0
3 years ago
Please,someone can help me this question!!!
Anvisha [2.4K]

Answer:

x=126°, y=234°

Step-by-step explanation:

B altrenates A

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3 0
3 years ago
Every jump a game piece makes measures 8/9 . The piece starts at point A = 7 and jumps to the right. As soon as the piece jumps
frutty [35]

Answer:

There will be a total 40 jumps.

Step-by-step explanation:

Every jump a game piece makes measures \frac{8}{9} = 0.889.

Now, the piece starts at point A = 7 and jumps to the right.

So, the piece will jump over B = 24  after \frac{24 - 7}{0.889} = 19.122 ≈ 20 complete jumps.

Then it switches direction to the left and the piece then stops at point A.

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4 0
3 years ago
Please help me please help me
Anon25 [30]

Answer:

AM=26

Step-by-step explanation:

Since M is the midpoint of the number line, this means that each side is equal to each other. The midpoint evenly splits it up in half, and since each side is equal that means we can set up an equation making x+20 and 5x-4 the same value.

x+20 = 5x-4

Now you simply carry over, so that x is all by itself. I carried the -4 to the other side first. To carry it over you have to add 4 on both sides, leaving this:

x+24=5x

Then I carried the x to the other side by subtracting -x (or if it helps, imagine an invisible one next to the x so it would be -1x) on both sides.

This gives me: 24=4x

Now that all the x's are by themelves, we can divide 24 by 4 to get our x value:

6=x

Now all we need to do is plug that in for the length of AM:

6+20, which equals our final answer 26

I hope you found this helpful :)

5 0
2 years ago
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