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kotykmax [81]
1 year ago
5

Determinewhether the two lines areparallel, perpendicular, neither.X-3=6Y = 3x +4

Mathematics
1 answer:
Brums [2.3K]1 year ago
8 0

we have the lines

x-3=6

x=6+3

x=9

this is a vertical line (parallel to the y-axis)

The slope is undefined

and

y=3x+4

The slope is m=3

Compare their slopes

1) Their slopes are not equal -----> are not parallel lines

2) Their slopes are not negative reciprocal -----> are not perpendicular lines

therefore

<h2>The answer is neither</h2>
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Kevin and Randy Muise have a jar containing 80 ​coins, all of which are either quarters or nickels. The total value of the coins
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Answer:

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Step-by-step explanation:

Let the number of quarters be x and nickels be y.

<u>Given:</u>

  • Quarter is 25 cents
  • Nickel is 5 cents
  • Number of coins is 80
  • Total amount is $11.80 = 1180 cents

<u>We have equations:</u>

  • x + y = 80
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<u>Solve the system by elimination, subtract 5 times the first equation from the second one:</u>

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<u>Find the value of y:</u>

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<u>Verify:</u>

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