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bagirrra123 [75]
3 years ago
14

Follow the steps below to find the mean for the set of data. Use the work shown to help you. Data set: 6, 5, 8, 5, 9, 6, 7, 5, 1

2 First add the values. 6 + 5 + 8 + 5 + 9 + 6 + 7 + 5 + 12 = 63 Then divide by the number of values. There are 9 values. What is the mean of the data set? 5 6 7 8
Mathematics
2 answers:
lbvjy [14]3 years ago
6 0

Answer:

7

Step-by-step explanation: 6 + 5 + 8 + 5 + 9 + 6 + 7 + 5 + 12 = 63 so now u just divide that by 9  

Nina [5.8K]3 years ago
6 0

Answer:

7 hope this helped ;)

Step-by-step explanation:

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4+2&lt;-14 or – 5+98&lt; 41​
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Answer:

4+2<-14

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– 5+98< 41​

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Does 30,40,45 make a right triangle?
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3 years ago
The profit that a vendor makes per day by selling x elephant ears is given by the function P(x)= -0.004x^2+3.2x-200. Find the nu
dezoksy [38]

Answer:

The number of elephant ears that must be sold to maximize profit is 400.

Step-by-step explanation:

Given that,

The profit that a vendor makes per day is given by

P(x)= - 0.004x² +3.2 x -200

where x is number of elephant ears.

P(x)= - 0.004x² +3.2 x -200

Differentiating with respect to x

P'(x)= - 0.008x+3.2

Again differentiating with respect to x

P''(x) = -0.008

For maximum or minimum P'(x)=0

- 0.008x+3.2=0

⇒0.008x=3.2

\Rightarrow x=\frac{3.2}{0.008}

⇒ x = 400

P''(x)|_{x=400} = -0.008

Since at x=400, P''(x)<0, the profit is maximize.

P(400) = -0.004×400²+3.2×400-200

          =440

The number of elephant ears that must be sold to maximize profit is 400.

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