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liq [111]
3 years ago
15

Find the mean of the following data set 73, 81, 51, 76, 89, 95, 88

Mathematics
2 answers:
kifflom [539]3 years ago
6 0

Answer:

mean =  \frac{(73 + 81 + 51 + 76 + 89 + 95 + 88)}{7}  \\  = 79

Darya [45]3 years ago
6 0

Answer:

79

Step-by-step explanation:

What is mean?  The mean is the same as an average. To find the mean, add all the letters together. Then, divide this sum by the total amount of numbers.

Step One: 73+ 81+51 +76+ 89+ 95+88= 553

Step Two: Divide by numbers, in this case, there are 7: 553/7= 79.

There you go!

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Maksim231197 [3]

Answer:

-311

Step-by-step explanation:

−425 = x − 114

=> x = -425 + 114

=> x = -311

Therefore, -311 is our answer.

Hoped this helped.

8 0
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Answer:

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Step-by-step explanation:

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Alik [6]

Answer:

(See explanation for further details)

Step-by-step explanation:

The real expression is:

(k^{2}-1)\cdot x{{2} - 2\cdot k \cdot x - 3\cdot k + 1 = 0

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This condition must be observed for the case of a quadratic equation with equal roots:

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