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umka21 [38]
4 years ago
12

The mean of four numbers is 7. Three of the numbers are 2, 5, and 17. What is the fourth number?

Mathematics
1 answer:
Temka [501]4 years ago
6 0

Answer:

If the mean of four numbers is 7, we know that their sum is 7 * 4 = 28. We can use this information to find the last number. If the fourth number is x, we can write:

2 + 5 + 17 + x = 28

24 + x = 28

x = 4

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lesya [120]
6x+24

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3 years ago
Complete the following so that it forms a perfect square<br><br><br> x^2 - (EMPTY SPACE)x + 4
Sidana [21]
The answer is 4 because the square root of 4 is -2, and that multiplied by 2 is -4
7 0
3 years ago
What is the distance between points (7 , 3) and (5 , -1)?
VladimirAG [237]
(7,3) = 4. (5, -1)=4.
8 0
3 years ago
Read 2 more answers
6. What is the greatest common factor of the following expression? *<br> 15y3 – 40y
Nady [450]

Answer:

I'm not sure what 15y3 is, but I'll take a guess.

If the only numbers are 15, 3, and -40, then the greatest common factor is 1.

If the only numbers are 15 and 3, then it's three.

If the only numbers are 15 and -40, it would be 5.

5 0
3 years ago
Pip was thinking of a number. Pip doubles it and gets the answer of 50.8. What was the original number?​
DerKrebs [107]

Answer:

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Step-by-step explanation:

If double of the number 'x' is 50.8, (2x=50.8)

Then the original number must be half of that value, (x=50.8/2)

50.8/2 = 25.4

8 0
2 years ago
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