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ivann1987 [24]
3 years ago
15

I’m not sure how to solve “system of equations”

Mathematics
1 answer:
natka813 [3]3 years ago
7 0

Hey there! :)

Answer:

(2, -2)

Step-by-step explanation:

-2x + y = -6

4x + 3y = 2

We can begin by setting the first equation equal to y:

-2x + y = -6

Add 2x to both sides:

y = 2x - 6

Plug this equation for y into the second equation:

4x + 3(2x - 6) = 2

Distribute:

4x + 6x - 18 = 2

Combine like terms:

10x = 20

x = 2

Plug the value of 'x' into an equation to solve for 'y':

-2(2) + y = -6

-4 + y = -6

y = -2

Therefore, the solution is (2, -2)

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If an interior angle of a regular polygon measures 108°, how many sides does the polygon have?
PilotLPTM [1.2K]

Answer:

5

Step-by-step explanation:

<u>(n-2)180 = 108</u>

          n

Distribute

180n-360=108n

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5=n

n=5

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3 years ago
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Answer:

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Step-by-step explanation:

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2 years ago
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Completely simplified the expression for x plus 10 plus 6 x plus 2 x by combining like terms into your answer in the box.
siniylev [52]
We can first turn the text into a proper formula:

x plus 10 plus 6 x plus 2 x

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We can then put the like terms together to continue the calculation:

x+6x+2x+10

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Hope it helps!
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2 years ago
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What this doesnt make sense
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3 years ago
Add the following values.<br> (2.1 × 1016) + (3.2 × 1015)
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