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3 years ago

Use the elimination method to solve the system of equations.2x + 3y = 183x – 3y = 12

Mathematics

2 answers:

weeeeeb [17]3 years ago

7 0

Answer:

The solution would be (6, 2)

Step-by-step explanation:

In order to solve this using elimination, simply add the two equations together.

2x + 3y = 18

3x - 3y = 12

-----------------

5x = 30

x = 6

And now that we have the value for x, we can solve for y.

2x + 3y = 18

2(6) + 3y = 18

12 + 3y = 18

3y = 6

y = 2

mash [69]3 years ago

5 0

Answer:

Solution of the given system of equations is x = 6 and y = 2

Step-by-step explanation:

In the given system equations are

2x + 3y = 18 -------(1)

3x - 3y = 12 --------(2)

We add equation 1 and 2 to get the value of x

(2x + 3y) + (3x - 3y) = 18 + 12

2x + 3x + 3y - 3y = 30

5x = 30

x = $\frac{30}{5}=6$

Now we put the value of x in equation 1.

2(6) + 3y = 18

12 + 3y = 18

3y = 18 - 12

3y = 6

y = 2

Therefore, solution of the given system of equations is x = 6 and y = 2

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3 years ago

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Answer:

P ( snowboard I ski) = 0.5714

Step-by-step explanation:

Conditional Probability

We use the conditional probability formula to solve this question. It is

$P(B|A) = \frac{P(A \cap B)}{P(A)}$

In which

P(B|A) is the probability of event B happening, given that A happened.

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P(A) is the probability of A happening.

In this question:

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3 years ago

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