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asambeis [7]
3 years ago
6

Solve for x. 3(2x-3) +42-2=0

Mathematics
1 answer:
baherus [9]3 years ago
6 0

Answer:

x = -31/6 or -5.16

Step-by-step explanation:

3(2x-3) + 49 -2 = 0

Distribute 3 through the parenthesis

3 (2x-3) + 49 - 2 = 0

6x - 9 + 42 - 2 = 0

Calculate the sum or difference

6x - 9 + 42 - 2 = 0

6x + 31 = 0

Move constant to the right side and change its sign

6x + 31 = 0

6x = -31

Divide both sides of the equation by 6

6x = -31

x = -31/6 or -5.16

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Answer: -7/5

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Step-by-step explanation:

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In a recent​ year, 304 of the approximately​ 300,000,000 people in the United States were struck by lightning. Estimate the prob
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Answer:

\frac{19}{18,750,000}=0.0000010133333333

Step-by-step explanation:

We have been given that in a recent​ year, 304 of the approximately​ 300,000,000 people in the United States were struck by lightning.

\text{Probability}=\frac{\text{Number of favorable outcomes}}{\text{Number of possible outcomes}}

\text{P( A randomly selected person in the United States will be struck by lightning this year)}=\frac{304}{300,000,000}

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\text{P( A randomly selected person in the United States will be struck by lightning this year)}=0.0000010133333333

Therefore, the probability that a randomly selected person in the United States will be struck by lightning this year is \frac{19}{18,750,000}=0.0000010133333333.

6 0
3 years ago
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Answer:

guess and check

Step-by-step explanation:

Linear equation systems usually have two or more variables to find.

The values for these variables can be found by different methods, some of them are indeed graphing, substitution and with matrices.

So these are correct options that are used to solve linear systems of equations.

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Step-by-step explanation:

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