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patriot [66]
3 years ago
15

Solve the system of equations. 2x - 9y = 14 x = -6y + 7 x = y =​

Mathematics
1 answer:
Juliette [100K]3 years ago
7 0

Step-by-step explanation:

2x - 9y = 14

x = -6y + 7

2(-6y + 7) + 9y= 14

-12y + 14 + 9y= 14

-3y + 14 = 14

-3y = 0

y = 0

x = 7

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Step-by-step explanation:

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⇒  Cos \ B =\frac{TB}{BO}

On putting the estimated values, we get

⇒   Cos \ x=\frac{6000}{9000}

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The probability of choosing a number that is not a multiple of 2 is P = 0.44

<h3 /><h3>How to find the probability?</h3>

We need to count the number of options for each digit.

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  • For the second digit, we have 9 options {0 ,1, 2, 3, 4, 5, 6, 7, 8}
  • For the third digit, we have 9 options {0 ,1, 2, 3, 4, 5, 6, 7, 8}.

The total number of combinations is the product between the numbers of options:

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If we want our number to not be a multiple of 2 then it must end in a odd digit, the combinations that meet that condition are:

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Then the probability of selecting a 3 digit number that is not a multiple of 2 is:

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brainly.com/question/251701

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