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ser-zykov [4K]
2 years ago
10

Using the probability scale, what is the probability that a red cube will be drawn when a cube is selected from a bag that has 5

blue cubes and 5 red cubes?
A impossible
B unlikely
C certain
D equally/likely/evens​

Mathematics
2 answers:
dmitriy555 [2]2 years ago
5 0

Answer:

D

Step-by-step explanation:

Probability is calculated by divided the amount of something you have by the total amount. In this case, 5 red cubes by 10 total cubes to get .5. This falls into evens in your probability scale.

lord [1]2 years ago
5 0

Answer:

that answer is D I don't know if it's right

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mart [117]

Answer:

The lines are perpendicular

Step-by-step explanation:

we know that

If two lines are parallel, then their slopes are the same

If two lines are perpendicular, then their slopes are opposite reciprocal (the product of their slopes is equal to -1)

Remember that

The formula to calculate the slope between two points is equal to

m=\frac{y2-y1}{x2-x1}

<em>Find the slope of the first line</em>

we have the points

(-3,-1) and (1,-9)

substitute in the formula

m_1=\frac{-9+1}{1+3}

m_1=\frac{-8}{4}

m_1=-2

<em>Find the slope of the second line</em>

we have the points

(1,4) and (5,6)

substitute in the formula

m_2=\frac{6-4}{5-1}

m_2=\frac{2}{4}

Simplify

m_2=\frac{1}{2}

<em>Compare the slopes</em>

m_1=-2

m_2=\frac{1}{2}

Find out the product

m_1*m_2=(-2)(\frac{1}{2})=-1

therefore

The lines are perpendicular

8 0
3 years ago
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Find the solution set to this inequality: 2x − 3 &gt; _ <br> 2x − 5 <br> 2
Molodets [167]

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<h2>WOW!!What an amazing question</h2>
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2 years ago
Need some math help!!! <br> Factor the polynomial by grouping: 12p^3 − 21 p^2 + 28p − 49
Andru [333]

Answer:

\left(4p-7\right)\left(3p^2+7\right)

Step-by-step explanation:

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tankabanditka [31]

Step-by-step explanation:

x = number of multiple choice questions

y = number of short response questions

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=>

x + 2y = 20

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x + 2y = 20

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0 y = 5

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transforms to

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and

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Step-by-step explanation:

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