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soldi70 [24.7K]
3 years ago
5

A science Teacher keeps a bag of dice all the same size for class room activities. Of the 15 dice, 4 are red, 5 are black, 2 are

blue, and 4 are green. What is the possibility of the dice not being black
Mathematics
1 answer:
olganol [36]3 years ago
3 0

Answer:

The question is pretty vague, but I think I know what you are asking.

Step-by-step explanation:

The question states clearly the amount of dice picked that is not black.

Therefore, the equation is as so:

Total amount of dice - Total amount that is black

/

Total amount of dice

Or

10 non-black dice/

15 total dice

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pishuonlain [190]

Answer: 2x + 5y = -5

Step-by-step explanation:

Two lines are said to be parallel if they have the same slope.

The equation of the line given :

2x + 5y = 10

To find the slope , we will write it in the form y = mx + c , where m is the slope and c is the y - intercept.

2x + 5y = 10

5y = -2x + 10

y = -2/5x + 10/5

y = -2/5x + 2

This means that the slope is -2/5 ,the line that is parallel to this line will also have a slope of -2/5.

using the formula:

y-y_{1} = m (x-x_{1} ) to find the equation of the line , we have

y - 1 = -2/5(x -{-5})

y - 1 = -2/5 ( x + 5 )

5y - 5 = -2 ( x + 5 )

5y - 5 = -2x - 10

5y + 2x = -10 + 5

therefore :

2x + 5y = -5 is the equation of the line that is parallel to 2x + 5y = 10

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2 years ago
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Answer:

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Step-by-step explanation:

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2 years ago
<img src="https://tex.z-dn.net/?f=If%20w%3D2x%2C%20then%20%5Cint%5Climits%5E2_0%20%7Bf%282x%29%7D%20%5C%2C%20dx%20%3D" id="TexFo
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This should be the answer to your question, if I understood what you were asking correctly. 
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24 / 1.6 = 15

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