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german
3 years ago
5

How would I find the slope of this equation y=3x+8-12x

Mathematics
1 answer:
Nostrana [21]3 years ago
3 0
Combine like terms
Y=-9x+8
And your slope would be -9
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What is the square root of 8
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Answer:

Approximately 2.83

Step-by-step explanation:

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3 years ago
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According to the National Education Association (NEA), teachers generally spend more than 40 hours each week working on instruct
abruzzese [7]

Answer:

The median number of hours worked per week for the sample of 13 high school science teachers is 52.

Step-by-step explanation:

Median of a data set:

The median of a data set is the element that separates the lower 50% of the set from the upper 50%.

If the cardinality n of the set is odd, the median is the element at the position (n+1)/2 of the sorted sed.

If the cardinality n of the set is even, the median is the mean between the elements at the position n/2 and (n/2)+1 of the sorted sed.

In this question:

Hours worked for the sample of 13 high school science teachers:

55, 58, 52, 52, 56, 59, 48, 63, 52, 52, 50, 52, 56

Sorting in an ascending way:

48, 50, 52, 52, 52, 52, 52, 55, 56, 56, 58, 59, 63

Cardinality of 13, so odd, the median is the element at the 13+1/2 = 7th position of the sorted set, which is 52.

The median number of hours worked per week for the sample of 13 high school science teachers is 52.

8 0
3 years ago
Anyone who answers this correctly I WILL GIVE U A SUPER THANKS
Inga [223]

Answer:

25

Step-by-step explanation:

4x+8+72=180

4x+80=180

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x=25

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In a newspaper, it was reported that yearly robberies in Springfield were down 25% to 78 in 2013 from 2012. How many robberies w
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