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Mice21 [21]
3 years ago
14

Eh whats the answer. thankssssssssss

Mathematics
2 answers:
sergey [27]3 years ago
7 0

Answer:

Yea.. Its C

Step-by-step explanation:

Makovka662 [10]3 years ago
5 0
It...is...c...:).......
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Ten experts rated a newly developed chocolate chip cookie on a scale of 1 to 50. Their ratings were:
Sunny_sXe [5.5K]

Answer:

Option B.

Step-by-step explanation:

The given data set is

34, 35, 41, 28, 26, 29, 32, 36, 38, 40

We need to find the mean deviation of the given data.

Number of observations, n = 10

Mean of the data is

Mean=\dfrac{\sum x}{n}

Mean=\dfrac{34+35+41+28+26+29+32+36+38+40}{10}

Mean=\dfrac{339}{10}

Mean=33.9

Formula for mean deviation is

\text{Mean deviation}=\dfrac{\sum |x-mean|}{n}

\sum |x-mean|=|34-33.9|+|35-33.9|+|41-33.9|+|28-33.9|+|26-33.9|+|29-33.9|+ |32-33.9|+|36-33.9|+|38-33.9|+|40-33.9|=41.2

\text{Mean deviation}=\dfrac{41.2}{10}

\text{Mean deviation}=4.12

The mean deviation of the ratings is 4.12.

Therefore, the correct option is B.

8 0
3 years ago
Read 2 more answers
Factor this trinomial completely.
zmey [24]
First you want to write 7x as a sum or difference: 15x-8x
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Now, factor out the 2x+3 from the expression and you have your answer:
(2x+3)(5x-4)
4 0
3 years ago
How do you do systems of equations ?
Arada [10]
There are 2 methods  you are taught in Middle School.

Elimination and Substitution.
8 0
3 years ago
Pleasee heelpp mee!!!! thank you:)
Studentka2010 [4]
I might not be right but i think it’s 104
8 0
3 years ago
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Tell whether the two ratios form a proportion. 120 baskets made in 3 days and 720 baskets made in 18 days.
tiny-mole [99]

Answer:

Yes they form a proportion.

Step-by-step explanation:

120:3 = 720:18 because:

3x6=18 so multiply 120 by 6 and you get 720. Which means the ratios are proportionate.

3 0
3 years ago
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