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Lera25 [3.4K]
3 years ago
10

A hockey bag contains 5 red jerseys, 6 blue jerseys and 7 white jerseys.

Mathematics
1 answer:
ipn [44]3 years ago
3 0

Answer:

7/54

Step-by-step explanation:

A hockey bag contains 5 red jerseys, 6 blue jerseys and 7 white jerseys.

Let the total number of jerseys =

5 red jerseys + 6 blue jerseys 7 white jerseys.

= 18

P(White) = 7/18

P(Blue) = 6/18

Hence, the probability that Jack picks a white then a blue jersey if he puts the first one back.

This is probability with replacement, hence:

7/18 × 6/18

= 7/18 × 1/3

= 7/54

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A bag of marbles contains 16 blue, 8 green, 9 red, 12 yellow and 5 black marbles. What is the probability of drawing a green mar
alexgriva [62]

Answer:

8/50

Step-by-step explanation:

you would take the number of that colored marble which in this case is green so now we have our numerator which is 8 next we are going to add all of the amount of numbers including the green and we get 50 and 50 is our denominator.

8 0
3 years ago
Please someone help me and explain this question to me (the last question starting with a straw)
Anastasy [175]

Each straw is  4-1/8 inches long.
You have one gigantic piece of straw material, 123-3/4 inches long.
How many straws can you cut it up to make ?

 ===>                    (123-3/4)  divided by  (4-1/8)            straws.

Each one costs  $0.015  to make.
So, once you find the number of short straws you have,
multiply

===>                 (the number of short straws) x ($0.015) .

That'll tell you how much it costs to make all of them. 


Now you know how to do it on your own.
If you don't get  30 straws  and  $0.45 , please try again.
6 0
2 years ago
What is the sign of -201 + 189−201+189minus, 201, plus, 189?
svlad2 [7]
-201+189=-12-201=-213+189=-24 . S the sign would be negative(-).
8 0
3 years ago
sales at a local ice cream shop went up 30% in 5 years. if 18,000 ice cream cones were sold in that current year, find the numbe
Setler79 [48]

Answer:

13,846\ cones

Step-by-step explanation:

Let

x -----> the number of ice cream cones sold 5 years ago

Remember that

100\%+30\%=130\%=130/100=1.3

we know that

Sales 5 years ago, multiplied by the 30% increase should equal 18,000 ice cream cones.

so

The linear equation that represent this problem is

1.30x=18,000

Solve for x

Divide by 1.3 both sides

x=13,846\ cones

6 0
2 years ago
Which fraction is equivalent to 0.3636...
NNADVOKAT [17]
A = 0.363636 ...
a = 0.(36)
100a = 36.(36)
100a - a = 36.(36) - 0.(36)
99a =  36
a=\frac{36}{99}\\\\ a=\frac{4}{11}
8 0
3 years ago
Read 2 more answers
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