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Darina [25.2K]
3 years ago
14

There are three marbles in a bag. One is red and two are black. What is the probability of picking a black marble first, putting

it back in the bag and then picking a black marble?
Mathematics
1 answer:
Maru [420]3 years ago
6 0

Answer:

well for me I think

Step-by-step explanation:

2/3×2/3

4/9

since they are replacing the black marbles back

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A class of 40 students visits a farm they tour the farm in group of 5 how many groups of 5 can they make?
german

Answer:

8

Step-by-step explanation:

40 grouped into 5 = 40/5 = 8

5 0
3 years ago
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A car traveled 3⁄4 mile in one minute at constant speed. What was the speed of the car in miles per hour?
Vanyuwa [196]
60 min = 1 hr 

3/4 * 60 = mph  (miles per hour)

3/4 * 60 = 45

The speed of the car in mph (miles per hour) 

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Answer = 45mph

Thank you for posting your question on Brainly!

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As always I hope you have a great day!
8 0
3 years ago
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I need a answer A.S.A.P PLEASE WILL GIVE 19 POINTS
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Answer:

Okie when you do these you got to give all information

Step-by-step explanation: because people can help you instead of looking at a picture wonderin what they are they are supposed to do

3 0
3 years ago
You have $10.50 to spend at the bowling alley. It costs $3 to rent shoes
Oksana_A [137]

Answer: 3 games

Step-by-step explanation:

10.5

First subtract 3 because you will need shoes.

7.50

Now divide by 2.50

7.5/2.5

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3 0
3 years ago
I need help, sleps plzz , i dont understand plzzz dont ignoree!!!!!!!!!!!!
denpristay [2]

Answer:

x = \frac{3+\sqrt{105} }{8}  , \frac{3-\sqrt{105} }{8}  x=1.655,-0.905

Step-by-step explanation:

3x+6 = 4x^2

4x^2 -3x -6 = 0

x = \frac{3+\sqrt{105} }{8}  , \frac{3-\sqrt{105} }{8}  x=1.655,-0.905

7 0
3 years ago
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