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vlabodo [156]
3 years ago
13

A survey was conducted to find the possible relationship between age groups and the most favored of three book genres. The data

is represented
In the frequency table.
Motivational
Biographies
Do-It-Yourself
40
Total
263
110
21-30 years
113
44
95
219
268
80
92
69
31-40 years
41-50 years
Total
107
153
285
312
750
To the nearest tenth, what percentage of people were in the 41 - 50 age group and favored the Do-It-Yourself books?
Mathematics
1 answer:
Ahat [919]3 years ago
8 0

Answer:C

Step-by-step explanation:

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Answer:

1) y = 0.3x + 1000

2) slope = 0.3

The slope is the fraction of the monthly sales that is added to your salary.

3) y-intercept = 1000

The y-intercept is the fixed part of the salary, $1000.

4) The salary is $2500

Step-by-step explanation:

1)

monthly salary = fixed part + variable part

The fixed part is $1000. Every month you receive $1000 no matter the amount of sales.

The variable part varies according to the amount of sales. You get 30% of the of the monthly sales. Let the monthly sales be x. The variable part is 0.3x

Let the monthly salary = y.

y = 1000 + 0.3x

y = 0.3x + 1000

2)

slope = 0.3

The slope is the fraction of the monthly sales that is added to your salary.

3)

y-intercept = 1000

The y-intercept is the fixed part of the salary, $1000.

4)

In this case, x = 5000

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y = 0.3(5000) + 1000

y = 1500 + 1000

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Roberto slides a rectangular picture frame 5 feet to the right of its original position on the wall. How many right angles does
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Step-by-step explanation:

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Step-by-step explanation:

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Step-by-step explanation:

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