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Ahat [919]
3 years ago
7

1. A person owns a collection of 30 CDs, of which 5 are country music. If 2 CDs are selected at

Mathematics
2 answers:
OverLord2011 [107]3 years ago
5 0

Answer:

Step-by-step explanation:

Sunflower can u please come answer my question next it says

HELP ASAP WILL GIVE BRAINLIEST PLEASE IM DESPERATE!!!!!!!

kozerog [31]3 years ago
3 0
First you have 30 cds and 5 if them are country.


You have 5/30 chance to take one country = 0.1666...= 16,6%


Next time you gonna pick up one you have 29 cds and 4 country


4/29= 0,1379=13,8%

You might be interested in
What is the common ratio of 40,12,3.6
slava [35]

Answer:

0.3

Step-by-step explanation:

Divide the second term (12) with the first term (40), and you'll get 0.3

This is correct because you get the terms in the correct order when multiplying:
(First term: 40. Common ratio: 0.3)
40 x 0.3 = <u>12</u>
<u>12</u> x 0.3<em> </em>= <em>3.6</em>

40, <u>12</u>, <em>3.6</em>

3 0
2 years ago
On a map, if one centimeter represents 25 kilometers, how many kilometers does 7 centimeters represent?
Elena-2011 [213]

Answer:

x = 175 km

Step-by-step explanation:

We can use ratios to solve this problem.  Put the map distance over the real life distance.

1 cm      7 cm

--------  = ---------

25 km    x km

Using cross products.

1 * x = 7 * 25

x = 175 km

4 0
3 years ago
I need help it’s a quiz
Alchen [17]

Answer:

38x, 21y, and 24 aka =38x+21y+24

Step-by-step explanation:

the second one is

24a+27b+44

7 0
3 years ago
Read 2 more answers
This is me and I am proud of my 15 year old self
almond37 [142]

Answer:

good

Step-by-step explanation:

thx for the points :)

7 0
2 years ago
Caroline places five poles A,B,C,D,and E in order along a straight line. The distance poles A and D is 1 yard. The distance betw
hodyreva [135]
We have
------------------------------------------------------------------
A              B                C                  D                  E 
----------------------------------------------- 
                    1 yard 
--------------  
 1/5 yard                                           ------------------ 
                                                              7/10 yard
<span>The distance poles B and D= (1-1/5)=4/5 yard

</span>The distance poles B and E= BD+DE=4/5+7/10=(8+7)/10=15/10=3/2 yard

the answer is 3/2 yard (distance poles B and E)
8 0
3 years ago
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