Math

Suppose we are given for identical red flags, 2 identical blue flags, and 3 identical green flags. Find the number of (M) different signals that can be formed by hanging the nine flags in a vertical line.

M=?

PLEASE DO NOT SOLVE! PLEASE only tell how to do the question.

  1. 👍
  2. 👎
  3. 👁
  1. 9! ways if all different

    but the 4 red flags can be arranged in 4! ways, but they are identical.

    Similarly for the other colors, so the distinguishable arrangements are

    9!/(4!2!3!)

    1. 👍
    2. 👎
  2. thanks!

    1. 👍
    2. 👎

Respond to this Question

First Name

Your Response

Similar Questions

  1. Chemistry

    Under identical conditions, separate samples of O2 and an unknown gas were allowed to effuse through identical membranes simultaneously. After a certain amount of time, it was found that 4.92 mL of O2 had passed through the

  2. math

    a teacher bought five flags of different countries to use in a class activity she added them to the flags she already had in the classroom she borrowed four more flags but two of these weren't used in the end ten flags were used

  3. math

    each student in an art class has 48 identical 1 cm cubes. Each student glues all of his or her cubes together to make a rectangular solid. No two solids are identical. What is the maximum number of students in that art class ?

  4. Physics

    Two identical +9.0 µC point charges are initially spaced 5.2 cm from each other. If they are released at the same instant from rest, how fast will they be moving when they are very far away from each other? Assume they have

  1. Math

    You are making necklaces for your friends. You have 72 blue beads and 42 red beads. Each friend will riecive an identical necklace, and all your beads must be used

  2. Math

    Bryan is making balloon arrangements. He has 8 blue balloons and 12 green balloons. What is the greatest amount of arrangements he can make if he wants them identical?

  3. Math

    Signals The king has 10 (different) colored flags that he uses to send coded messages to his general in the field. For example, red-blue-green might mean “attack at dawn” and blue-green-red may mean “retreat.” He sends the

  4. Math

    cameron is making bead necklaces. he has 90 green beads and 108 blue beads. what's the greatest number of identical necklace he can make if he wants to use all the beads

  1. ochem lab

    this deals with TLC chromatography: if 2 compounds have same Rf under identical conditions, does it show that they have identical structures? i think it does. but im not sure why. thanks mucho.

  2. Algebra

    Find the number of ways that 4 flags can be displayed on a flagpole, one above the other, if 10 different flags are available.

  3. math

    A signal is made by placing 3 flags, one above the other, on a flag pole. If there are 8 different flags available, how many possible signals can be flown?

  4. Organic Chemistry

    --Why does caffeine have a larger Rf value than chlorophyll? --If two compounds have the same Rf under identical conditions. Does this show that they have identical structures? Explain.

You can view more similar questions or ask a new question.