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Minchanka [31]
3 years ago
9

The bar graph below shows the attendance at school dances. The ticket per price for each dance is $5 per student. Which two danc

es together earned 37.5% of the total ticket sales. A. Fall dance,Spring Fling. B, Valentines day ball, Spring Fling. C. Fall dance,end of year bash. D. Winter snow ball, Valentines day ball

Mathematics
1 answer:
topjm [15]3 years ago
6 0

It's B because all the students that attended added together is 320 and 37.5 of 320 is 120

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Fiesta28 [93]
For this case we have the following function:
 f (x) = 0.01 * (2) ^ x

 By definition, the average rate of change is given by:
 AVR =  \frac{f(x2) - f(x1)}{x2 - x1}
 We evaluate the function for the given values:
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 f (7) = 0.01 * (2) ^ 7

f (7) = 1.28
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 f (14) = 0.01 * (2) ^ {14}  f (14) = 163.84
 Then, replacing values we have:
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the average rate of change from x = 7 to x = 14 is:
 
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