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Elena-2011 [213]
3 years ago
5

Subtract 428,731- 175 ,842

Mathematics
1 answer:
bearhunter [10]3 years ago
7 0
Your answer is 252,889
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A group of 8 friends (5 girls and 3 boys) plans to watch a movie, but they have only 5 tickets. If they randomly decide who
nalin [4]

Answer:

53.57%

Step-by-step explanation:

We have to calculate first the specific number of events that interest us, if at least 3 are girls, they mean that 2 are boys, therefore we must find the combinations of 3 girls of 5 and 2 boys of 3, and multiply that, so :

# of ways to succeed = 5C3 * 3C2 = 5! / (3! * (5-3)!) * 3! / (2! * (3-2)!)

 = 10 * 3 = 30

That is, there are 30 favorable cases, now we must calculate the total number of options, which would be the combination of 5 people from the group of 8.

# of random groups of 5 = 8C5 = 8! / (5! * (8-5)!) = 56

That is to say, in total there are 56 ways, the probability would be the quotient of these two numbers like this:

P (3 girls and 2 boys) = 30/56 = 0.5357

Which means that the probability is 53.57%

8 0
3 years ago
6(x + 3) − 3 = 39 whats the solution of x?
Naily [24]

Answer:

x = 4

Step-by-step explanation:

6(x+3)-3= 39

6x+18-3 =39

6x+15 =39

   -15   -15

6x= 24

/6     /6

x=4

4 0
2 years ago
Read 2 more answers
Help me!! Please anything helps.
Degger [83]
The answer is C, a function is when the x value does NOT repeat!
6 0
3 years ago
80% of x is 40. What is the value of x?<br><br> Please help hurry!!
butalik [34]

Answer:

The answer would be 50

Step-by-step explanation:

5 0
2 years ago
Write y = –2/5x – 3 in standard form using integers.
guajiro [1.7K]
The standard form is:
a x + b y = c
y = - 2/5 x - 3  / *5 ( we will multiply both sides of an equation by 5 )
5 y = - 2 x - 15
Answer:
2 y + 5 y = - 15 
6 0
3 years ago
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