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ArbitrLikvidat [17]
2 years ago
8

Pls pls pls help meee plssss

Mathematics
1 answer:
umka21 [38]2 years ago
6 0

Answer:

x = 5 or 1

Step-by-step explanation:

Square both sides to get

x^2 - 6x + 9   = 4       now subtract four from both sides

x^2 -6x+5  = 0           now factor ( or use quadratic formula)

(x-5)(x-1) = 0     so  x = 5 or 1

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it's quite simple. all you need too do is add the total amount then divide

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Simplified to make it easier to read.

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4 years ago
Solve for the mean and median of the following data: 20, 10, 15, 18, 12, 17
loris [4]
<h2><u>Mean and Median</u></h2>

<h3>solve for the mean and median of the following data: 20, 10, 15, 18, 12, 17</h3>

<h3><u>Mean</u></h3>

To find the mean of a data set, use the formula:

<u>mean</u> = <u>sum of the data points</u>/<u>number of the data points</u>

We will determine the sum of the data points.

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Since the number of data points is 6, we will divide the sum and the number of data points as shown in the formula above.

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<u>Answer:</u>

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<h3><u>Median</u></h3>

To find the median of the data set, arrange the data set into ascending order and the value in the middle is the median. The median should be an even number.

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