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Ymorist [56]
3 years ago
5

A box contains 20 red marbles and 30 blue marbles. A second box contains 10 white marbles and 40 black marbles. If you choose on

e marble fra
each box without looking, what is the probability that you get a blue marble and a black marble?

Mathematics
1 answer:
Vesna [10]3 years ago
3 0

Answer: 2/20, because all those marbles in total is 100. the blue and black marbles would be 70, if you simplify all of it it'd be 2/25.

Step-by-step explanation:

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Solve 8[7 - (6x -6)] + 6x =0.
Rus_ich [418]
Solve for x:8 (13 - 6 x) + 6 x = 0
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Subtract 104 from both sides:
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(-42 x)/(-42) = -104/(-42)
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x = -104/(-42)
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8 0
4 years ago
which equations represent in point slope form, the line that passes through the points (-3,2) and (0,0) ?
alexandr1967 [171]

Answer:  First Option is correct.

Explanation:

Since we have given that

there are two points from which the line is passing through :

(-3,2)\ and\ (0,0)

We have to use the two point slope form .

As we know the " Two point slope form" i.e.

y-y_0=\frac{y_2-y_1}{x_2-x_1}(x-x_1)

Here,

x_1=-3\\\\x_2=0\\\\y_1=2\\\\y_2=0

So, our equation becomes,

(y-2)=\frac{0-2}{0+3}(x+3)\\\\(y-2)=\frac{-2}{3}(x+3)

Hence, First Option is correct.

7 0
4 years ago
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