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3 years ago

4y+20= 60 what does y equal?

Mathematics

2 answers:

OLEGan [10]3 years ago

8 0

Answer:

Step-by-step explanation:

60-20=40.

10*4=40

lora16 [44]3 years ago

5 0

Y=10 is the answer
I hope that helps

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3 years ago

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Katyanochek1 [597]

$P(A)=0.5$ , $P(B)=0.6$ , $P(A\cup B)=0.8$

We find the probability of intersection using the inclusion/exclusion principle:

$P(A\cap B)=P(A)+P(B)-P(A\cup B)=0.3$

By definition of conditional probability,

$P(A\mid B)=\dfrac{P(A\cap B)}{P(B)}=\dfrac{0.3}{0.6}=0.5$

For $A$ and $B$ to be independent, we must have

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$P(A\mid B)\cdot P(B)=P(A)\cdot P(B)\implies P(A\mid B)=P(A)$

which is also true.

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3 years ago

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ima redo my answer but

Step-by-step explanation:

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