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VladimirAG [237]
1 year ago
5

What is the mean of, 50, 30, 40, 10, 20, 80, 60, 90, 10, 30, 110, 70?

Mathematics
1 answer:
rjkz [21]1 year ago
4 0

Given:

50,30,40,10,20,80,60,90,10,30,110,70.

To find:

The mean

Explanation:

The formula for mean is,

Mean=\frac{Sum\text{ of the observations}}{Total\text{ number of observations}}

On substitution we get,

\begin{gathered} Mean=\frac{50+30+40+10+20+80+60+90+10+30+110+70}{12} \\ =\frac{600}{12} \\ =50 \end{gathered}

Thus, the mean is 50.

Final answer:

The mean is 50.

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If x = 1/3 and y = 3/4 , evaluate the following expression: 8 x − 3 y
LUCKY_DIMON [66]

Answer:

5/12 or 0.416667

Step-by-step explanation:

Plug in the values for x and y.

8(1/3) - 3(3/4)

Evaluate.

8/3 - 9/4

32/12 - 27/12

= 5/12

6 0
3 years ago
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nika2105 [10]

Answer:

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Step-by-step explanation:

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2 years ago
Help ASAP pls :) brainly to whoever has the right answer first :D
Fed [463]

Answer:

0.02 (rational)

2 (rational)

Square root of 2 (irrational)

Square root 1/2 (irrational)

Step-by-step explanation:

Rational numbers are numbers that can be in form of a/b such that a and b are not zeros. In other words, a and b are integers ranging from 1 to infinity.

Conversely, irrational numbers are numbers that are endless and are non repeating digits after decimal point.

Thus, from the questions above;

0.02 =   \frac{2}{100}  = rational \: number

2 =  \frac{2}{1}  = rational \: number

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\sqrt{ \frac{1}{2} }  = 0.70710678 = irrational \: number

6 0
3 years ago
Can someone help me plz
olya-2409 [2.1K]

Answer:

33.5883333333

Step-by-step explanation:

If you divided the day and 15 minutes by the speed you would get 33.5883333333

6 0
3 years ago
Which figures below are similar?<br><br><br><br> 1 and 2<br> 2 and 3<br> 2 and 4<br> 1 and 4
vladimir2022 [97]

Answer:

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