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Ira Lisetskai [31]
3 years ago
7

The tables show the amount earned by James and Paco working at the same store.

Mathematics
1 answer:
Schach [20]3 years ago
3 0

its pacos hour because as you can see he makes more i just know trust me its pacos

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Find the sample variance for the data 9,12,9,14,6. Round the answer to one decimal place. Sample variance
Feliz [49]

Answer:

9.5

Step-by-step explanation:

Find the sample variance for the data 9,12,9,14,6. Round the answer to one decimal place. Sample variance.

Step 1

We find the Mean of the numbers

Mean = Sum of terms/ Number of terms

Mean = 9+12+9+14+6/5

= 50/5

= 10

Step 2

We find the sample variance

Formula =

(x - Mean)²/n - 1

n = 5

= (9 - 10)²+(12 -10)²+(9- 10)²+(14-10)²+(6-10)²/5 - 1

= 1+ 4+ 1+ 16+16/5 - 1

= 38/5 - 1

= 38/4

= 9.5

Therefore, Sample variance = 9.5

3 0
3 years ago
Determine the selling price and amount of increase of a $270 bicycle with a 24% markup.
Vlad1618 [11]
Take the answer you get from that and add it to 270. That is your answer.
7 0
3 years ago
Which statement best describes the geologic features?​
vovangra [49]

Answer:

what are the options

Step-by-step explanation:

geologic features can occur anywhere on earth, these features are formed by the movements of earth's plates.

4 0
3 years ago
Read 2 more answers
The table represents some points on the graph of a linear function.
Sunny_sXe [5.5K]

Answer:

B. -\frac{9}{2}

Step-by-step explanation:

Rate of change of y with respect to x, can be calculated using any two of the pairs of values of the table, say, (-2, 12) and (0, 3).

Rate of change = \frac{y_2 - y_1}{x_2 - x_1}

Let,

(-2, 12) = (x_1, y_1)

(0, 3) = (x_2, y_2)

Plug in the values

Rate of change = \frac{3 - 12}{0 - (-2)} = \frac{-9}{2} = -\frac{9}{2}

7 0
2 years ago
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ValentinkaMS [17]

The better buy should be buy twelve cans for 7 dollors

Given that,

  • twelve cans for7 dollors or 6 cans for 4 dollors.

Based on the above information, the calculation is as follows:

The first option is

= 7\div 12

= $0.58

The second option

= 4\div 6

= $0.67

Learn more: brainly.com/question/16911495

6 0
2 years ago
Read 2 more answers
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