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3 years ago

Easy math problem plz Halp

Mathematics

2 answers:

yan [13]3 years ago

6 0

The answer is 19.5

You add all the numbers to get 273 and divide by the amount of dots which is 14 to get 19.5

svet-max [94.6K]3 years ago

3 0

I put a condensed version of this answer in the comments, but here is the full version.

Answer:

19.5

Step-by-step explanation:

The dots on the chart show the frequency of the numbers.

For example, 16 is only listed once while 22 is featured twice.

List all of the numbers:

16, 17, 17, 17, 17, 19, 19, 19, 19, 21, 22, 22, 23, 25

Now find the mean.

Mean = the average of all the numbers in a data set

To find the mean add all of the numbers, then divide by the number of numbers in the data set.

Add:

16 + 17 + 17 + 17 + 17 + 19 + 19 + 19 + 19 + 21 + 22 + 22 + 23 + 25 = 273

Divide:

There are 14 numbers, so divide by 14.

273/14 = 19.5

Therefore, the mean is 19.5

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QveST [7]

Answer:

y = -3x + 12

Step-by-step explanation:

<u><em>Very similar to the other question i answered, by here's a step by step anyway in case you find it helpful : )</em></u>

There are lots of different methods to do these types of questions, but this is the way i like to do it.

Coordinate (x1, y1) : (1, 9) and Gradient (m): -3

Start with this generic equation:

y- y1 = m(x-x1)

Substitute in the values they have given you:

y - (9) = -3(x-1)

This becomes:

y -9 = -3x +3

Keep solving by moving the 10 over to the other side:

y = -3x + 3 +9

y = -3x + 12

An easy way to double check:

1) the coefficient of x is the slope. We got -3x, and the slope is -3, so that's correct.

2) Substitute x=1 into the equation, and we get 9, which is the exact coordinate that they gave us. This is also right.

Hope this helped : )

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4 years ago

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Answer:

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Step-by-step explanation:

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of which 4 horses are brown

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Step-by-step explanation:

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Step-by-step explanation:

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