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The slope of a line is the difference of the y values divided by the difference of the x values. The slope = (1/2 - 1/4) / (3/4 - 1/8) which equals 2/5 or 0.4
3+6.25 = 9.25 is the amount per hour you will earn at the new job So the difference between incomes of the two jobs is: 9.25*10 - 8.55*10 = 7
20 = 703*100/h^2. 20 = 70300/h^2 20*h^2 = 70300 h = (3515)^(1/2)
Non red marbles are 12 + 5 = 17. So the ratio is 5/17.
The deviation is the difference between a value and the mean. So the deviations are: (290-280) (270-280) (250-280) (300-280) (290-280) This gives you: 10 -10 -30 20 10 The average is the sum of the numbers divided by the number of numbers (5). so that
The mode is the number that occurs the most times. In game 3, the mode is 122 because it occurs the most times.
Subtract 6 from 13 and from 33. Then add 6 back just once. 7 + 27 + 6 = 40 students are taking either one or both of the subjects. So 46 - 40 = 6 students are taking neither of the subjects.

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