2 years ago

4 x equals negative 2x + negative 6

2 answers:

7 0

So x equals two if it is an exponent.9

4 0

4x= -2x -6
Isolate the x terms on one side, by adding "2x" to each side, resulting in
6x = -6
Then divide both sides by 6, so
x = -1

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Nastasia [14]

I think you meant a+5(b)+c the answer is b is a unknown value

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e-lub [12.9K]

Answer:

B and E

Step-by-step explanation:

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Nitella [24]

Answer: 0.9730

Step-by-step explanation:

Let A be the event of the answer being correct and B be the event of the knew the answer.

Given: $P(A)=0.9$

$P(A^c)=0.1$

$P(B|A^{C})=0.25$

If it is given that the answer is correct , then the probability that he guess the answer $P(B|A)= 1$

By Bayes theorem , we have

$P(A|B)=\dfrac{P(B|A)P(A)}{P(B|A)P(A)+P(C|A^c)P(A^c)}$

$=\dfrac{(1)(0.9)}{(1))(0.9)+(0.25)(0.1)}\\\\=0.972972972973\approx0.9730$

Hence, the student correctly answers a question, the probability that the student really knew the correct answer is 0.9730.

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2 years ago

vladimir1956 [14]

The inverse of the function f(x)= x+3 would be x-3.

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2 years ago

Lubov Fominskaja [6]

>
the answer is “>” because 12.312 is greater than 12.132

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