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snow_tiger [21]
3 years ago
9

The graph shows the relationship between the number of cars horns Sally heard and the amount of time that has passed since midni

ght. She has no data for 11 hours after midnight. According to the scatterplot, about how many car horns did she hear at that time?
A) 22

B) 24

C) 26

D) 28

NEED HELP ASAP PLEASE

Mathematics
2 answers:
scoray [572]3 years ago
5 0

Answer:


Step-by-step explanation:

she heard 24 car horns at that time


MariettaO [177]3 years ago
3 0
She heard 22 car horns in 11 hours.
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10, 14, 18 ....

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\bf n^{th}\textit{ term of an arithmetic sequence}
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a_n=a_1+(n-1)d\qquad 
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\end{cases}
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a_{17}=10+(17-1)(4)\implies a_{17}=10+(16)(4)
\\\\\\
a_{17}=10+64\implies a_{17}=74\\\\
-------------------------------

\bf \textit{ sum of a finite arithmetic sequence}
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S_n=\cfrac{n(a_1+a_n)}{2}\qquad 
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S_{17}=\cfrac{17(10+74)}{2}\implies S_{17}=\cfrac{17(84)}{2}\implies S_{17}=714
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