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Nostrana [21]
3 years ago
7

The theoretical probability of an event occurring is 2/5. Which best describes the experiment probability associated with this e

vent?
Mathematics
2 answers:
pogonyaev3 years ago
5 0
The answer is out of every 5, the desired out come will be approximately 2 times. 
V125BC [204]3 years ago
5 0

Answer:

d

Step-by-step explanation:

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51 more than y is greater than -240
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y + 51 ≥ -240

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Find the inverse of the following function​
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f-¹(x)=\frac{2-7x}{x+2}

Answer:

Solution given:

f(x)=\frac{-2x+2}{x+7}

Let f(x)=y

y=\frac{-2x+2}{x+7}

Interchanging role of x and y

x=\frac{-2y+2}{y+7}

doing crisscrossed multiplication

x(y+7)=-2y+2

now solve it:

xy+7x=-2y+2

keep like terms in one side

xy+2y=2-7x

take common

y(x+2)=2-7x

make a value of y

y=\frac{2-7x}{x+2}

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f-¹(x)=\frac{2-7x}{x+2}

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2 years ago
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Solve x2 + 6x + 7 = 0.
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Answer:

x= -7/8

Step-by-step explanation:

8x + 7 = 0

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8x/8x = -7/8

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