Answer:
Sample is biased
Step-by-step explanation:
In her experiment, Gloria assumes that the reading habits of the students in her school district are exactly the same to that of students in all state schools. This assumption is unlikely to be true and, therefore, this statistic is misleading because the sample used is biased.
From her data, all Gloria can do is report the percentage of students that read more than one book per month in her school district.
Answer:
Jeff has to walk 13.9 m north.
Jeff has to walk 14.3 m futher than Gail.
Step-by-step explanation:
Gail takes a short cut, which is 14.9 m, so Gail moves by the hypotenuse.
Jeff goes the long way. He starts out walking east for 5.3 m, and then turns north, so Jeff mowes by two legs. Let x m be the distance Jeff goes north.
By the Pythagorean theorem,
![14.9^2=5.3^2+x^2\\ \\x^2=14.9^2-5.3^2\\ \\x^2=193.92\\ \\x=13.9\ m](https://tex.z-dn.net/?f=14.9%5E2%3D5.3%5E2%2Bx%5E2%5C%5C%20%5C%5Cx%5E2%3D14.9%5E2-5.3%5E2%5C%5C%20%5C%5Cx%5E2%3D193.92%5C%5C%20%5C%5Cx%3D13.9%5C%20m)
So, Jeff has to walk 13.9 m north. In total, the long way is
![5.3\ m +13.9\ m=19.2\ m](https://tex.z-dn.net/?f=5.3%5C%20m%20%2B13.9%5C%20m%3D19.2%5C%20m)
Jeff has to walk
![19.2\ m-14.9\ m=4.3\ m](https://tex.z-dn.net/?f=19.2%5C%20m-14.9%5C%20m%3D4.3%5C%20m)
futher than Gail.
Answer:
4 ^2 −20 +2 5
Step-by-step explanation:
I did the math