Mathematics, 18.01.2020 04:31 PONBallfordM89
Consider three classes, each consisting of n students. from this group of 3n students, a group of 3 students is to be chosen.
a. how many choices are possible?
b. how many choices are there in which all 3 students are in the same class?
c. how many choices are there in which 2 of the 3 students are in the same class and the other student is in a different class.
d. how many choices are there in which all 3 students are in different classes?
Answers: 2
Mathematics, 21.06.2019 20:00, tessafargo
Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.
Answers: 1
Mathematics, 21.06.2019 20:30, kjhgfcvb5761
Solve each quadratic equation by factoring and using the zero product property. [tex]x^2+6x+8=0[/tex]
Answers: 2
Mathematics, 21.06.2019 23:00, johnsonkia873
Find the rate at which the water is now flowing from the tap give your answer cubic centimetres per second
Answers: 1
Mathematics, 22.06.2019 00:00, thisbegaby
Meg constructed triangle poq and then used a compass and straightedge to accurately construct line segment os, as shown in the figure below, which could be the measures of angles pos and angle poq?
Answers: 1
Consider three classes, each consisting of n students. from this group of 3n students, a group of 3...
History, 01.04.2021 01:00
Mathematics, 01.04.2021 01:00
Mathematics, 01.04.2021 01:00
Physics, 01.04.2021 01:00
English, 01.04.2021 01:00
Mathematics, 01.04.2021 01:00
Mathematics, 01.04.2021 01:00
History, 01.04.2021 01:00
Mathematics, 01.04.2021 01:00