umarhaley
25.01.2021 •
Mathematics
Ahmad and Bryson are in a long-term fitness challenge that involves counting how many calories they
consume on daily basis. Let A = the number of calories Ahmad consumes daily, and B = the number of
calories Bryson consumes daily. Based on previous data, they know that A = 2200 calories and
A = 300 calories. They also know that pib = 2400 calories and ob = 400 calories.
Assume that their daily calorie counts are independent, and let D be the difference between the number of
calories they each consume on a randomly selected day (D=B - A).
Find the mean of D.
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calories
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Ответ:
Using the mean of the subtraction, it is found that the mean of D is of 200 calories per day.
Mean of the subtraction:When two variables are subtracted, the mean is the subtraction of the means of each variable.In this problem:
Variable D is given by the subtraction of variable B by variable A.The mean of variable B is 2400 calories per day.The mean of variable A is 2200 calories per day.Subtracting the means, 2400 - 2200 = 200 calories per day.
Hence, the mean of D is of 200 calories per day.
TO learn more about mean of the subtraction, you can take a look at link
Ответ:
Step-by-step explanation:
Please, leave the timer out of the picture; it has no bearing on this learning and tutoring through .
The length of the hypotenuse is the distance between (6,2) and (6,19), and is 17.
Thus, assuming that the black triangle is a right triangle,
17² = p² + q².
thus, p = +√(17² - q²), and q = +√(17² - p²2).
It would be possible to come up with estimates of the values of p and q by using the Pythagorean Theorem, but we are not asked to do that in this problem.