Mathematics, 06.12.2020 17:30 20hadams
Question 1: A hat contains 40 marbles. Of them, 18 are red and 22 are green. If one marble is randomly selected out of this hat, what is the probability that this marble is a. red b. green?
Answers: 2
Mathematics, 21.06.2019 19:30
Factor the following expression. 27y3 β 343 a. (3y + 7)(9y2 + 2ly + 49) b. (3y β 7)(9y2 + 2ly + 49) c. (3y β 7)(932 β 217 + 49) d. (3y + 7)(92 β 2ly + 49)
Answers: 1
Mathematics, 21.06.2019 22:30
Convert (-3,0) to polar form. a. (3,0β) b. (-3,180β) c. (3,180β) d. (3,360β)
Answers: 1
Mathematics, 21.06.2019 23:00
Find the equation of the ellipse with the following properties. the ellipse with foci at (0, 6) and (0, -6); y-intercepts (0, 8) and (0, -8).edit: the answer is x^2 over 28 + y^2 over 64 = 1
Answers: 2
Question 1: A hat contains 40 marbles. Of them, 18 are red and 22 are green. If one marble is random...