Mathematics, 26.09.2019 21:00 queenkimm26

Prove that 2x^2+x+8> 0 for all real values of x.

Answers: 1

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 13:00, Kazya4

Which statement best describes a square? a. a special rectangle that has four right angles b. a special trapezoid that has four sides of equal length c. a special rectangle that has four sides of equal length d. a special trapezoid that has four right angles

Answers: 1

continue

Mathematics, 21.06.2019 16:30, xojade

The weights of players in a basketball league are distributed normally. the distance (d) of each player's weight (w) from the mean of 86 kilograms was computed as follows: d = |w - 86| if d is greater than 7 for approximately 5% of the players, what is the approximate standard deviation of the players' weights? a. 1.75 kilograms b. 3.5 kilograms c. 4.3 kilograms d. 7 kilograms

Answers: 3

continue

Mathematics, 21.06.2019 19:40, love0000

Atextile fiber manufacturer is investigating a new drapery yarn, which the company claims has a mean thread elongation of 12 kilograms with a standard deviation of 0.5 kilograms. the company wishes to test the hypothesis upper h subscript 0 baseline colon mu equals 12 against upper h subscript 1 baseline colon mu less-than 12 using a random sample of n equals 4 specimens. calculate the p-value if the observed statistic is x overbar equals 11.8. round your final answer to five decimal places (e. g. 98.76543).

Answers: 3

continue

Mathematics, 21.06.2019 20:00, michyfbg

Can somebody 1. what is the formula for finding the vertical distance between two points on a coordinate plane?

Answers: 3

continue

You know the right answer?

Prove that 2x^2+x+8> 0 for all real values of x....