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AnnyKZ [126]
2 years ago
11

PLEASEE HELP I NEED HELP PROBLEM

Mathematics
1 answer:
jeka57 [31]2 years ago
7 0

Answer:

a) The Mean of the water levels for the week (μ) = 6.657

b) The Median of the water levels for the week = 6.6

c) Mode = 6.8

Step-by-step explanation:

<u><em>Step(i):-</em></u>

<em>Given that the data per one week</em>

<em>6.5,  6.8 , 7.2  ,6.8  ,6.6  ,6.3 , 6.4</em>

<em>we have to find the mean of the given data</em>

<em>Solution:-</em>

<em>Mean = ∑x /n</em>

<em />Mean = \frac{6.5+6.8+7.2+6.8+6.6+6.3+6.4}{7}<em />

<em>Mean = </em>\frac{46.6}{7}<em />

<em>Mean(μ) = 6.657</em>

<em>The Mean of the water levels for the week (μ) = 6.657</em>

<u><em>Step(ii):-</em></u>

Given that the data per one week

6.5,  6.8 , 7.2  ,6.8  ,6.6  ,6.3 , 6.4

we have to find the Median of the given data

A median is the center value of a  given  data when arranged in an order

6.3  6.4  6.5 <em> 6.6</em>  6.8  6.8 7.2

The Median = middle of the given data

The Median = 6.6

<u><em>Step(iii):-</em></u>

Given that the data per one week

6.5,  6.8 , 7.2  ,6.8  ,6.6  ,6.3 , 6.4

we have to find the Mode of the given data

Mode = Value repeated the most number of times

The value 6.8 repeated two times

∴ Mode = 6.8

<em></em>

<em />

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Answer:

  x = 45

Step-by-step explanation:

  0.4 + x(10%) = 4.9 . . . . . . given

  x(10%) = 4.5 . . . . . . . . . subtract 0.4

  x = 45 . . . . . . . . . . . . multiply by 10

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10 × 10% = 100% = 1

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Mr. Bennet owns 4 restaurants. The mean number of tables is 30. What could happen to the mean if he buys two new restaurants, on
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Final mean value = 24.

Mean value decreased by 6 finally.

Step-by-step explanation:

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So, total number of tables in restaurants = 4×30 = 120

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He buys 2 new restaurants with 15 tables and 9 tables .

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8 0
3 years ago
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Answer: you need to show the rest because i dont know. four times what?

Step-by-step explanation:

...

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Question 8 of 10
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Answer:

y = (-3/7)x + 2

Step-by-step explanation:

slope-intercept form is y = mx + b, where m = slope and b = y-intercept.

all you need to do is plug the values into the equation! :)

since your slope is (-3/7), plug that in for m.

y = mx + b ⇒ y = (-3/7)x + b

and since your y-intercept is 2, plug that in for b.

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therefore, the line's equation in slope-intercept form is y = (-3/7)x + 2.

<em>don't worry about the parentheses, i only put them in there to separate the 7 in -3/7 from x. i'm not good at putting equations in here on brainly lol i just wanted to make sure you didn't think that it was -3 over 7x.</em>

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