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monitta
3 years ago
6

How do I use this help

Mathematics
2 answers:
Umnica [9.8K]3 years ago
8 0

Answer:

what

Step-by-step explanation:

is that you want to use

Free_Kalibri [48]3 years ago
6 0

Answer:

just ask any question!!!!!!!!!!!!

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What is 23 + | 3-2 | ?
ss7ja [257]

Answer:

Step-by-step explanation:

3 0
2 years ago
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A boy has 3 red , 2 yellow and 3 green marbles. In how many ways can the boy arrange the marbles in a line if: a) Marbles of the
Ilya [14]

Answer:

The total number of different arrangements is 560.

Step-by-step explanation:

A multiset is a collection of objects, just like a set, but can contain an object more than once.

The multiplicity of a particular type of object is the number of times objects of that type appear in a multiset.

Permutations of Multisets Theorem.

The number of ordered n-tuples (or permutations with repetition) on a collection or multiset of n objects, where there are k kinds of objects and object kind 1 occurs with multiplicity n_1, object kind 2 occurs with multiplicity n_2, ... , and object kind k occurs with multiplicity n_k is:

                                                 \begin{equation*}\frac{n!}{n_1!*n_2!*\dots * n_k!}\end{equation*}

We know that a boy has 3 red, 2 yellow and 3 green marbles. In this case we have n = 8.

If marbles of the same color are indistinguishable, then the total number of different arrangements is

{8 \choose 3, 2, 3}  = \frac{8 !}{3 ! 2 ! 3 !} = \frac{8\cdot \:7\cdot \:6\cdot \:5\cdot \:4}{2!\cdot \:3!}=\frac{6720}{2!\cdot \:3!}=\frac{6720}{12}=560

8 0
2 years ago
The sum of four consecutive integers is 134. Find the integers. (please show your work)
lidiya [134]

Answer:

Integers: 32,33,34,35

Step-by-step explanation:

Consecutive means back-to-back, with a difference of 1

Therefore this can be represented with the following equation (where x is the first number), and we can set this equal to the sum

x+(x+1)+(x+2)+(x+3)=134\\4x+6=134\\4x=128\\x=32

Therefore since x = 32, all four integers are:

32,33,34,35

If we check this, we can see that their sum equals to 134

32+33+34+35 = 134

Hope this helps!

8 0
2 years ago
The wayside hotel charges guest $1
quester [9]
I think the answer to that is 1 guest because it said charges guest which means only 1 person is charged
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3 years ago
There are 20 students at lunch. One-fifth of the student are in the hall. How many people are in the hall
SashulF [63]
There are 4 people in the hall
6 0
2 years ago
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