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ozzi
3 years ago
10

How do you solve 6(x-3)+10=2(4x-5) step by step

Mathematics
1 answer:
kipiarov [429]3 years ago
5 0

Answer:

x = 1

Step-by-step explanation:

1. Expand.

6x − 18 + 10 = 8x − 10

2. Simplify 6x − 18 + 10 to 6x − 8.

6x − 8 = 8x − 10

3. Subtract 6x from both sides.

−8 = 8x − 10 − 6x

4. Simplify 8x − 10 − 6x to 2x − 10.

−8 = 2x − 10

5. Add 10 to both sides.

−8 + 10 = 2x

6. Simplify −8 + 10 to 2.

2 = 2x

7. Divide both sides by 2.

1 = x

8. Switch sides.

x = 1

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Answer:

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E(X)=\sum_{i=1}^n X_i P(X_i)  

And if we use the values obtained we got:  

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Step-by-step explanation:

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In statistics and probability analysis, the expected value "is calculated by multiplying each of the possible outcomes by the likelihood each outcome will occur and then summing all of those values".

The variance of a random variable Var(X) is the expected value of the squared deviation from the mean of X, E(X).

And the standard deviation of a random variable X is just the square root of the variance.  

In order to calculate the expected value we can use the following formula:  

E(X)=\sum_{i=1}^n X_i P(X_i)  

And if we use the values obtained we got:  

E(X)=(1060*0.5) +(1400*0.1) +(1620*0.4)=1318  

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3 years ago
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Answer:

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