2x+7 <= 3x-5
subtract 2x from each side
7 <= x-5
add 5 to each side
12 <= x
x must be greater than or equal to 12
12 18 24 and 107 are possible solutions
Correlation coefficients are expressed by a number between -1 and 1.
If the value is -1 or 1 it indecates a perfect (negative and positive) correlation.
If the value is 0 indicates null correlation.
As the correlation value for you data set is -0.833 it is very close to the -1. It indicates a good correlation in the data. Then, the value you predicted is reasonably close to the actual value.
The amount of candy that each of his 6 friends will get is 1/14 of a pound.
It is given in the question that James has 6 friends with those he has to share 1/2 pound of the candy.
We have to find the amount of candy each of his 6 friends gets.
We know that,
Total number of people among those the candy will be shared = James + 6 friends = 7 people
Total amount of candy with James = 1/2 pound
We know that,
Amount of candy each person gets = Total amount of candy/No. of people.
Hence,
Total amount of candy each person gets = (1/2) /7 =(1/2)*(1/7) = 1/14 of a pound.
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3x6=18 3x4=12 12+18=30 so the actual area is 30
