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Mathematics, 09.07.2020 01:01, 100113801
Carol is investigating the relationship between the number of minutes spent doing aerobics and the number of calories burned. Her data are shown in the table. Minutes Doing Aerobics vs. Number of Calories Burned Minutes doing aerobics Number of calories burned 3 14 4 21 6 28 10 47 15 78 24 125 Using a regression calculator, she got a regression line of y almost-equals 0.19 x + 0.49. What did she do wrong? A calculator screen. A 2-column table with 6 rows titled Data. Column 1 is labeled x with entries 14, 21, 28, 47, 78, 125. Column 2 is labeled y with entries 3, 4, 6, 10, 15, 24. A 2-column table has 6 rows. Column 1 is labeled x with entries 14, 21, 28, 47, 78, 125. Column 2 is labeled y with entries 3, 4, 6, 10, 15, 24. She forgot to enter the point (3, 14) into the regression calculator. She forgot to enter the point (24, 125) into the regression calculator. She entered the minutes doing aerobics for x and the number of calories burned for y into the regression calculator. She entered the minutes doing aerobics for y and the number of calories burned for x into the regression calculator.
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Mathematics, 21.06.2019 19:20, alexcarrasco5903
1- is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis. 2- what do you think the product of a nonzero rational number and an irrational number is? is it rational or irrational? make use of variables, the closure property of integers, and possibly a proof by contradiction to prove your hypothesis. 3- why do we have to specify that the rational number must be nonzero when we determine what the product of a nonzero rational number and an irrational number is? if the rational number were 0, would it give us the same result we found in part b?
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Carol is investigating the relationship between the number of minutes spent doing aerobics and the n...
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