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Irina-Kira [14]
3 years ago
13

A bag with 12 marbles has 5 blue marbles, 3 yellow marbles, and 4 red marbles. A marble is chosen from the bag at random. What i

s the probability
is not blue?
Mathematics
1 answer:
ddd [48]3 years ago
6 0

Answer:

5/12 i think

Step-by-step explanation:

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How do I find QS here?
docker41 [41]
Answer: 12.

To solve this problem, let's first solve for x. Thi is easiest done by figuring what QR is in terms of x using two equations, both from different lines.

In the first line:
QR = 15 - 4x.

In the third line:
QR = 13x - 1 - x = 12x - 1.

Now, we have to set these equations equal to each other. 
15 - 4x = 12x - 1
15 = 16x - 1
16x = 16
x = 1

Next, we take line three, 13x - 1, and substitute x as 1. The answer is 12.
3 0
3 years ago
Please help me on these problems
lukranit [14]

Answer:

a=1 because 3x means 3 multiply 2 and it is substracted from 7 and 7-6 is 1

b=3

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Step-by-step explanation:

hope you will understand from the explanation of a

6 0
2 years ago
4.56 rounded to the nearest whole number
Sveta_85 [38]

4.56 rounded to the nearest whole number is 5

4 0
3 years ago
Find the volume of this composite figure and explain how you got your answer
Damm [24]
To solve this, we work out the volume of the two shapes (the cuboid and the pyramid) and then add them together.

We get the volume of the cuboid by multiplying the base by the width by the length:

Volume of cuboid = 6 x 6 x 4 

                               = 144m³

Now to get the volume of the pyramid, we multiply the base by the length by the height, and then we divide by three.

Volume of pyramid = 6 x 6 x 8 
÷ 3
                                    = 96m³
-------------------------------------------------------------------------------------------------------------
Answer:
Now that we know the two volumes, we simply add them together:

144 + 96 = 240m³

So the volume of the composite sold is 240m³

7 0
3 years ago
How do do a word problem whit five hundred and four
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Ronald still has $504.
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