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

Another question on Mathematics

Mathematics, 21.06.2019 14:40

Astudent simplified a rational expression as shown.

Answers: 3

Answer

Mathematics, 21.06.2019 20:50

Afarmer has a large field that is x feet in length. he wants to fence in a rectangular section in the middle of the field , leaving a length of 100 feet of open field behind each end of the fenced rectangle.he also wants the width of the fenced-in space to be 100 feet less than its length. find the expressions to represent the length and width of the fenced section of the field

Answers: 2

Answer

Mathematics, 21.06.2019 22:30

5. (04.07)which of the following exponential functions goes through the points (1, 12) and (2, 36)? (2 points)f(x) = 3(4)^xf(x) = 4(3)^-xf(x) = 3(4)^-xf(x) = 4(3)^x

Answers: 1

Answer

Mathematics, 22.06.2019 02:00

Alexandra drove from michigan to colorado to visit her friend. the speed limit on the highway is 70 miles per hour. if alexandra's combined driving time for the trip was 14 hours how many miles did alejandra drive?

Answers: 1

Answer

You know the right answer?

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

Questions

Mathematics, 04.02.2020 15:49

Is the following definition of perpendicular reversible? if yes, write it as a true biconditional. two lines that intersect at right angles are...