Mathematics, 23.05.2021 03:50, bankskry

Please help asap!! (even just one answer helps) 1. The combination locks on the lockers at a high school have numbers from 0 through 39 (inclusive). A locker combination consists of three different numbers, where the order matters. Because of the way the locks are made, all three numbers are even or all three numbers are odd. How many combinations are possible?

2. How many ways can you rearrange the letters in INFINITY?

3. Of the 30 students in a class, 11 practice taekwondo, 11 play piano, and 20 take dance lessons. 3 students play piano and take dance, 3 students do taekwondo and play piano, 5 students go to dance and practice taekwondo, and 3 students do none of these. How many students do all 3?

4. Our club has 10 members, and we need to appoint a president, a vice-president, and a secretary. How many ways can we do this if:

a) Each member can hold at most one office?
For this one I think you do
but I'm not entirely sure

b) Members can hold any number of offices?

$\frac{10!}{(10-3)!} = \frac{10*9*8*7*6*5*4*3*2}{7*6*5*4*3*2} = \frac{10*9*8}{1} = \frac{720}{1} = 720$

Answers: 3

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 15:30, kwarwick0915

Find the gradient of f(x, y,z)equals=left parenthesis x squared plus y squared plus z squared right parenthesis superscript negative 1 divided by 2 baseline plus ln left parenthesis x right parenthesis x2+y2+z2−1/2+ln(xyz) at the point left parenthesis negative 2 comma 1 comma negative 2 right parenthesis(−2,1,−2).

Answers: 1

continue

Mathematics, 21.06.2019 16:30, happy121906

Astandard american eskimo dog has a mean weight of 30 pounds with a standard deviation of 2 pounds. assuming the weights of standard eskimo dogs are normally distributed, what range of weights would 99.7% of the dogs have? approximately 26–34 pounds approximately 24–36 pounds approximately 28–32 pounds approximately 29–31 pounds

Answers: 1

continue

Mathematics, 21.06.2019 19:20, hahah265

Suppose that a households monthly water bill (in dollars) is a linear function of the amount of water the household uses (in hundreds of cubic feet, hcf). when graphed, the function gives a line with slope of 1.65. if the monthly cost for 13 hcf is $46.10 what is the monthly cost for 19 hcf?

Answers: 3

continue

Mathematics, 21.06.2019 21:50, Hali07

Determine the common ratio and find the next three terms of the geometric sequence. 10, 2, 0.4, a. 0.2; -0.4, -2, -10 c. 0.02; 0.08, 0.016, 0.0032 b. 0.02; -0.4, -2, -10 d. 0.2; 0.08, 0.016, 0.0032 select the best answer from the choices provided a b c d

Answers: 1

continue

Do you know the correct answer?

Please help asap!! (even just one answer helps) 1. The combination locks on the lockers at a high s...