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Ber [7]
4 years ago
15

Three identical bags each contain two marbles. One bag has two white marbles, one has two black marbles, and one has one of each

. You are given a bag at random and draw a white marble. What fraction of the time will the second marble you draw from that bag also be white?
Mathematics
1 answer:
Furkat [3]4 years ago
7 0

Answer:

2/3

Step-by-step explanation:

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Now let’s practice what you have learned.<br><br><br> Solve the equation.<br> 4y – 4 = 28
laiz [17]

Answer:

<h2>y=8</h2>

Step-by-step explanation:

4y-4=28

4y=28+4

4y=32

y=32/4

y=8

now plug in 8 for y and check the equation true:

4y-4=28

4*(8)-4=28

32-4=28

28=28

So,  y is equal to eight 8

4 0
3 years ago
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Which of the following lists of ordered pairs is a function?
Eduardwww [97]
To find if one is a function, you must see if the pattern is the same.
Domains (x) can not have two values
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A. is not a function, because its ordered pairs are all over the place, and the value 4 in the x - value has two values assigned - 0 and 3, which makes it invalid.

B. may be a linear function. Its ordered pairs aren't jumping all over the place.
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C. isn't because the x - value 2 has two values. Again, that makes this invalid.

D.  is invalid because there is two x - values for 2. 

Therefore, the answer is B.
3 0
3 years ago
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(а+2)(3а-1)<br> what’s the product? (i completely didnt pay attention throughout the year)
Brut [27]
3a^2+5a-2. Hihihihihihi
8 0
3 years ago
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Dividing circumference with radius
uranmaximum [27]

If you divide the circumference C over the radius r, you get 2pi

2pi = C/r

this is because

C = 2pi*r

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C = pi*d

which works because d = 2r, ie the diameter is twice the radius.

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3 years ago
Factorise fully<br> -X – 10<br><br> Pls help
Nataly_w [17]

Answer:

-X – 10=-1(x+10) is your answer

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3 years ago
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