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3 years ago

The mean, median and mode of the five numbers are same. if four numbers are 7,7,5 and 7, what must be the fifth number?

Mathematics

1 answer:

Morgarella [4.7K]3 years ago

7 0

Answer:

The fifth number is <u>9</u>

Step-by-step explanation:

7 is the mode because it appears the most.

7 has to be the median, so the fifth number could be anything.

7 has to be the mean, so you would do:

7 x 5 = 35

35 - 7 - 7 - 7 - 5 = <u>9</u>

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The simplified equation of $(x - 10)^2 + (y- 6)^2 = 4^2$ is $y = 6+ \sqrt{16 - (x - 10)^2}$

<h3>How to determine the simplified equation?</h3>

The complete question is added as an attachment

The equation is given as

$(x - 10)^2 + (y- 6)^2 = 4^2$

Subtract (x - 10)^2 from both sides

$(y- 6)^2 = 4^2 - (x - 10)^2$

Evaluate 4^2

$(y- 6)^2 =16 - (x - 10)^2$

Take the square root of both sides

$y- 6= \sqrt{16 - (x - 10)^2}$

Add 6 to both sides

$y = 6+ \sqrt{16 - (x - 10)^2}$

Hence, the simplified equation of $(x - 10)^2 + (y- 6)^2 = 4^2$ is $y = 6+ \sqrt{16 - (x - 10)^2}$

Read more about simplified equation at:

brainly.com/question/723406

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2 years ago

Percent of 200 miles is 150 miles

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Step-by-step explanation:

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_____

<em>Comment on presentation</em>

This would be much easier to answer if you would use a conventional representation of ordered pairs:

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Step-by-step explanation:

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