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liq [111]
3 years ago
13

Suppose a jar contains 13 red marbles and 11 blue marbles. If you reach in the jar and pull out 2 marbles at random at the same

time, find the probability that both are red.
Mathematics
1 answer:
Alisiya [41]3 years ago
3 0
I’d say around 75% or less

This is just an assumption considering that there are more red than blue but only trumps blue by 2. Taking out those two, you’d be left with a 50% chance of getting red and/or blue marbles
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Arlecino [84]

Answer:

5 scoops

Step-by-step explanation:

If the feeder already has 1/2 cups in it, Porter will need to put 5 scoops in because 5/10= 1/2. 5 is half of ten

Hope this helps!

3 0
3 years ago
Find the value of each variable.
sineoko [7]

Answer:

19. x = 65

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Step-by-step explanation:

19. 2x -10 = 120

2x (-10 + 10) = (120 +10)

2x/2 = 130/2

x = 65

20. 2x + 4x + 108 = 180

6x + (108 - 108) = (180 - 108)

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21. 2x + 25 = 3x - 10

2x + (25 - 25) = 3x (- 10 - 25)

(2x - 3x) = (3x - 3x) - 35

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x = 35

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3(35) - 10 + y = 180

105 - 10 + y = 180

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y = 85

7 0
3 years ago
A student solved this problem by working backward. Jared has some flowers. He has 6 more red flowers than yellow flowers. He has
goldenfox [79]
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4 0
3 years ago
How do you write 6x=7y in standard form
Anastasy [175]
Standard form is ax+by=c
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5 0
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3. Nina has $20.14 in her purse. She buys lunch<br> for $9.67. How much does she have left?
o-na [289]

Answer:

Nina has $10.47 left.

Step-by-step explanation:

$20.14 minus $9.67 is $10.47

6 0
3 years ago
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