Mathematics, 27.07.2019 04:30 sakshimehta

Using the letters find the number of 4-letter “words” such that: a) a letter can be repeated; b) letters cannot be repeated, but can be in any order; c) letters cannot be repeated, and must be used in alphabetical order; d) which of the above counting question is a combination and which is a permutation? a “word” is any mixture of the letters.

Answers: 2

Show answers

Another question on Mathematics

Mathematics, 21.06.2019 16:40

What is the perimeter of trapezoid jklm? + units 2 + + units 9 + units 9 + + units

Answers: 2

Answer

Mathematics, 21.06.2019 17:30

Someone this asap for a group of students attends a basketball game. * the group buys x hot dogs at the concession stand for $2 each. * the group buys y drinks at the concession stand for $3 each. the group buys 29 items at the concession stand for a total of $70. how many hot dogs did the group buy?

Answers: 2

Answer

Mathematics, 21.06.2019 21:30

Use the method of cylindrical shells to find the volume v generated by rotating the region bounded by the curves about the given axis.y = 7ex, y = 7e^-x, x = 1; about the y-axis

Answers: 2

Answer

Mathematics, 21.06.2019 21:40

Which statement is true about a number and its additive inverse? a. their product is always one. b. their sum is always one. c. they are always reciprocals of each other. d. their sum is always zero.

Answers: 1

Answer

You know the right answer?

Using the letters find the number of 4-letter “words” such that: a) a letter can be repeated; b) l...

Questions

Mathematics, 08.10.2019 23:00

If a person salary is 500 dinar [kuwait money] then what will be his annual income as per indian rupees...

Mathematics, 08.10.2019 23:00

A12-inch diameter pizza has 22 calories per square inch. about how many calories are in the entire pizza? use 3.14 for pi.