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velikii [3]
4 years ago
12

Leena is arranging 3 different books in a row on a shelf. Create a sample space for the arrangement of a detective story (D), a

mystery story (M), and a comic book (C).
Mathematics
2 answers:
oee [108]4 years ago
8 0
D m c
d c m
m d c
m c d
c d m
c m d
6 ways
3!=3*2*1=6ways


was this helpful msg me
Oxana [17]4 years ago
7 0
6 Ways because She can arrange the books in an order like this: 
C D M
D C M
M C D
C M D
M D C
D M C

Msg me if it helped 

(I just saw the answer for your question now XD)




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Pls help ????????????
yulyashka [42]

Answer:

let the missing values be a , b , c ,d and e

So the mean of these values is $ 2225

<em>(a + b + c + d + e + 1900 + 2300 + 3000)/8 = 2225</em>

<em>a + b + c + d + e + 7200 = 2225*8</em>

<em>a + b + c + d + e = 17800 - 7200</em>

a + b + c + d + e = 10600 -------------------- let this be our first equation

Since the range is 3000 and the data is already in increasing order:

3000 - a = 2100

a = $ 900 --------- one down, 4 to go

Now lets get another equation through Median:

So the median value is 2450, since median is the middle value when the given set is written in increasing or decreasing order

since we are already given the increasing order of the numbers, we will make use of that

So, since there is no middle number since there are even amount of numbers, the average of the 2 mid numbers will be the Median

so, (2300 + c)/2 =  2450

2300 + c = 4900

c = $ 2600 ---------------------- two down, 3 to go

Now we will try to get another equation through mode

We are given that the mode of the numbers is 2900

we will take some help from the first equation for this part

a + b + c + d + e = 10600

900 + 2600 + b + d + e = 10600

b + d + e = 10600 - 3500

b + d + e = 7100

Since the mode is 2900, lets check if b + d + e = 3 (2900) since that would mean that 2900 is repeated 3 times

b + d + e = 2.45(2900)

since b + d + e is 2.45 times 2900 and 2900 is the most repeated number,

we can say that 2 of the 3 values is 2900

so,

2900 + 2900 + b = 7100

e = 7100 - 5800

e = $ 1300

so the complete list is: 900 , 1300 , 1900 , 2300 , 2600 , 2900 , 2900 , 3000

3 0
3 years ago
Each small box has 12 granola bars and each large box has 30 granola bars. The camp bought 2 more large boxes than small boxes,
sweet-ann [11.9K]

Answer:

The camp Purchased 2 small boxes and 4 large boxes.

Step-by-step explanation:

Let Number of Small box purchased be x.

Now Given:

The camp bought 2 more large boxes than small boxes.

Hence Number of large box purchased = x+2

Also Given:

Total Number of Granola bars = 144

Now Each small box has 12 granola bars and each large box has 30 granola bars.

Hence Total Number of Granola bars is equal to sum of number of granola bars in each small box multiplied by number of small box and number of granola bars in each large box multiplied by number of larger box.

Hence equation can be framed as.

12x+30(x+2)=144

Now we will use distributive property to solve the same we get;

12x+30x+30\times2 =144

Now Using multiplication propert we get;

12x+30x+60=144

Now Combining like terms we get;

12x+30x=144-60\\

Now By using Addition and Subtraction property we get;

42x=84

Now Using Division property we get;

\frac{42x}{42}=\frac{84}{42}\\\\x=2

Number of Small boxes purchased = 2

Number of Large boxes purchased = x+2=2+2=4

Hence The camp Purchased 2 small boxes and 4 large boxes.

8 0
3 years ago
Using pemdas please
Leni [432]

The expression that represents the amount mother spent is 4 × 5.00 + 2.00.

This outing will cost $22.00.

Solution:

Number of members in a family = 4

Cost of one ticket = $5.00

Cost of soft drink = $2.00

Mother spent = Number of members × Cost of each ticket + Cost of soft drink

                      = 4 × 5.00 + 2.00

The expression that represents the amount mother spent is 4 × 5.00 + 2.00.

To solve this expression using PEDMAS rule.

First do multiplication.

4 × 5.00 + 2.00 = 20.00 + 2.00

Now do addition.

4 × 5.00 + 2.00 = 22.00

Hence this outing will cost $22.00.

5 0
3 years ago
Read 2 more answers
Select the correct answer.
vitfil [10]
Is there an image i don’t understand what expressions you’re asking for?
6 0
3 years ago
The amount of snowfall in January was 2 and 3/5
dolphi86 [110]

2 3/5 - 1 1/3 = 2 6/15 - 1 5/15 = 1 1/5

7 0
3 years ago
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