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Cerrena [4.2K]
2 years ago
9

There are 20 marbles in the box. 4 marbles are black, 6 marbles are blue, 10 are red. What is the probability of drawing a black

OR a red marble?
Mathematics
1 answer:
Nitella [24]2 years ago
4 0

Answer:

7/10 or 70% or 0.7

Step-by-step explanation:

4 black, 10 red

10+4=14

now you put it over the total marbles

14/20=7/10

i don't know how your teacher wants you to give the answer but it is 7/10 or 0.7 or 70%

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Ipatiy [6.2K]
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3 years ago
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Answer:

x=\frac{c}{1-g}

Step-by-step explanation:

Step 1: Multiply both sides by x,

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Step 2: Add -x to both sides.

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Step 3: Factor out variable x.

x(g−1)=−c

Step 4: Divide both sides by g-1.

\frac{x(g-1)}{g-1} =\frac{-c}{g-1\\}

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Hope this helps!

5 0
3 years ago
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Factorise: 3x²+17x+10
aliina [53]
The answer is (x+5) (3x+2)
5 0
2 years ago
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Answer:

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7 0
2 years ago
Which of the following has an x term when simplified
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Answer:

b

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