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serg [7]
3 years ago
8

Those shortlisted are entered into a final game of chance. There are six balls in a bag (2 blue balls, 2 green balls and 2 golde

n balls). To win, a company needs to take out two golden balls. The first ball is not replaced.
What is the probability of any company winning advertising space on their volley ball team jerseys?
as a fraction?
Mathematics
1 answer:
evablogger [386]3 years ago
8 0

Answer:

6 balls in a bag. 2 golden balls.

6 C 2 (C = combination)

6C2 = 6 x 5 x 4 x 3 x 2 x 1 / 2 x 1 x 4 x 3 x 2 x 1

= 3 x 5

= 15

denominator = 15

6 balls total 2 golden balls choose 2 balls only one possibility

answer = 1/15

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Introduction to expectation
mr Goodwill [35]

Answer:

Step-by-step explanation:

ok

7 0
4 years ago
What is the distance between (-5,-5) and (-9,-2)
ollegr [7]

Answer:

use the distance Formula   D=sqrt of {(x1-x2)^2+(y1-y2)^2}

Step-by-step explanation:

So(-5--9)^2 + (-5- -2)^2 =

(4)^2 + (-3)^2 =

16 + 9 = 25

and the square root of 25 is 5.

5 is the answer

5 0
3 years ago
You and your friend are selling tickets to a charity event. You sell 8 adult tickets and 6 student tickets for $126. Your friend
AnnyKZ [126]
S=cost per student ticket
a=cost per adult ticket

value=(students vlue)+(adults value)
student value=(cost per student) times number of students
adult value=(cost per adult) times number of adults



you sell 8 adult and 6 students and that is a value of 126
8a+6s=126

friend sell12 adult and 13 student and get 209
12a+13s=209

so we have
8a+6s=126 and
12a+13s=209
it might help to simplify  the first equaiton by dividing by 2
4a+3s=63

we have
4a+3s=63
12a+13s=209
multiply first equaton by -3
-12a-9s=-189

add to secont equaiton

12a+13s=209
<u>-12a-9s=-189 +
</u>0a+4s=20<u> </u>

4s=20
divide 4
s=5

each student ticket costs $5.00
8 0
3 years ago
15 points!!!! Answer is needed in 5 minutes plz help
Archy [21]
The radii of the circle increases by 7.5 cm each ring: 7.5 cm, 15.0 cm, 22.5 cm, and 30.0 cm.
The area if the red target is the area of the largest circle minus the second to the largest circle plus the area of the third largest circle minus the area of the smaller circle
A=pi(30.0)^2 - pi(22.5)^2 + pi(15.0)^2- pi(7.5)^2
A=900pi-506.25pi+225pi-56.25pi
A=562.5pi is approximately 1767 cm^2
3 0
3 years ago
What is 50 x 75? pls help
Olenka [21]

Answer:

3750

Step-by-step explanation:

multiply

8 0
3 years ago
Read 2 more answers
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