Mathematics, 31.01.2020 00:02 Deemon
The number of hours, h, it takes for a block of ice to melt varies inversely as the temperature, t. if it takes 2 hours for a square inch of ice to melt at 70 degrees, find the constant of proportionality
Answers: 3
Mathematics, 21.06.2019 14:10
What is the factored form of x2 โ 4x โ 5? (x + 5)(x โ 1) (x + 5)(x + 1) (x โ 5)(x โ 1) (x โ 5)(x + 1)
Answers: 2
Mathematics, 21.06.2019 23:00
Each of the following data sets has a mean of x = 10. (i) 8 9 10 11 12 (ii) 7 9 10 11 13 (iii) 7 8 10 12 13 (a) without doing any computations, order the data sets according to increasing value of standard deviations. (i), (iii), (ii) (ii), (i), (iii) (iii), (i), (ii) (iii), (ii), (i) (i), (ii), (iii) (ii), (iii), (i) (b) why do you expect the difference in standard deviations between data sets (i) and (ii) to be greater than the difference in standard deviations between data sets (ii) and (iii)? hint: consider how much the data in the respective sets differ from the mean. the data change between data sets (i) and (ii) increased the squared difference รฎล(x - x)2 by more than data sets (ii) and (iii). the data change between data sets (ii) and (iii) increased the squared difference รฎล(x - x)2 by more than data sets (i) and (ii). the data change between data sets (i) and (ii) decreased the squared difference รฎล(x - x)2 by more than data sets (ii) and (iii). none of the above
Answers: 2
Mathematics, 21.06.2019 23:20
Point r divides in the ratio 1 : 5. if the coordinates of e and f are (4, 8) and (11, 4), respectively, what are the coordinates of r to two decimal places?
Answers: 2
The number of hours, h, it takes for a block of ice to melt varies inversely as the temperature, t....
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