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3 years ago

I can never figure these out! Please help!

Mathematics

2 answers:

riadik2000 [5.3K]3 years ago

6 0

Answer:

The 2 in the numerator should be -2

Step-by-step explanation:

-2 is the a, you cant get rid of it when doing the quadratic formula. I think

LekaFEV [45]3 years ago

3 0

Answer:

the 2 in the numerator should be -2

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50 points!!! please have serious answers

Darina [25.2K]

Median: Put the list in order from least to greatest.

$20, $20, $23.50, $25, $26.50

$20, $23.50, $25

$23.50 is the median. I took one from each side until I had one left.

Mean: Get the sum of them all and then divide by the number of earnings ( in this case )

$25 + $26.50 = $51.50 $51.50 + $20 = $71.50 $71.50 + $23.50 = $95

$95 + $20 = $115 $115/5 = $23

$23 is the mean.

Mode: Is the one that finds the frequency or in lamen terms it is the number which appears most often.

There's no steps for finding the expect counting how many times that number appeared.

$20 is the mode.

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Darya [45]

A because your testing out the theories

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4 years ago

Find the mean median and mode of the data set round to the nearest tenth 15,13,9,9,71,11,10,13,1,13

ser-zykov [4K]

Answer:

Organize: 1, 9, 9, 10, 11, 13, 13, 13, 15, 71

Mean: 16.5

Median: 12

Mode: 13

Step-by-step explanation:

Mean (average): 1+9+9+10+11+13+13+13+15+71 = 165 165/10 = 16.5

10-> how many numbers

Median (middle #): 1, 9, 9, 10, 11, 13, 13, 13, 15, 71

(11+13)/2 = 12 <---11 and 13 because there are two middle numbers, so you calculate the average of those two #s

Mode (most frequent #): 1, 9, 9, 10, 11, 13, 13, 13, 15, 71 --->13 appears the most

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3 years ago

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Oxana [17]

Answer:

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3 years ago