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3 years ago

54/6 simplify and show your work?

2 answers:

7 0

54/6
you would start by thinking of what number could go to both the numerator and the denominator, so in this case, a number that would go to 54 and 6 is 6, so divide both numbers by 6. 54 divided by 6 is 9, and 6 divided by 6 is 1, so the answer would be 6/1

kolezko [41]3 years ago

3 0

54/6= 9, because 6 can go into 54 9 times,so 6 times 9 = 54 and 54-54=0.you can check ur work by multiplying ur answer by 6,so it would look like 6 times 9

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3 years ago

The prior probabilities for events A1 and A2 are P(A1) = 0.30 and P(A2) = 0.55. It is also known that P(A1 ∩ A2) = 0. Suppose P(

k0ka [10]

We're given the following probabilities:

$P(A_1)=0.30$

$P(A_2)=0.55$

$P(A_1\cap A_2)=0$

$P(B\mid A_1)=0.20$

$P(B\mid A_2)=0.05$

(a) Yes, $A_1$ and $A_2$ are mutually exclusive. This is exactly what zero probability of their intersection means. The two events cannot occur simultaneously.

(b) Use the definition of conditional probability to expand:

$P(A_1\cap B)=P(A_1)P(B\mid A_1)=0.30\cdot0.20=0.06$

$P(A_2\cap B)=P(A_2)P(B\mid A_2)=0.55\cdot0.05=0.0275$

$P(B)=P(A_1\cap B)+P(A_2\cap B)=0.06+0.0275=0.0875$

(d) Bayes' theorem says

$P(A_1\mid B)=\dfrac{P(A_1)P(B\mid A_1)}{P(B)}=\dfrac{0.30\cdot0.20}{0.0875}\approx0.686$

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3 years ago

Which of the following values of x is a solution to the equation negative 2 x plus 8 equals 14?

andreev551 [17]

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Step-by-step explanation:

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3 years ago

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Answer:

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Step-by-step explanation:

Two variables x and y are proportionally related if they can be written in the form y=kx, where k is the constant of proportionality.

From the given options, if $k=\frac{1}{2}$

(B) $y=\frac{1}{2}x$ is of the form y=kx

On the Contrary,

In Option D, $y=x+\frac{1}{2}$ does not represent a proportional relationship between x and y. The constant of proportion is supposed to be a product of x.

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3 years ago

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