anonymous
  • anonymous
A city map representing roads M,N,O,P,Q and R.Link roads cannot have the same colour in the map.The roads link to each other are as under: Each M,N,P and Q has link to O. P has a link to Q. Each of M and N has a link to R. Q-1.Which of the following roads can be the same colour as O on the map?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
anonymous
  • anonymous
@thomaster are you any good with "Analytical Reasoning"?
anonymous
  • anonymous
@Compassionate
anonymous
  • anonymous
@sammixboo @jigglypuff314 @Ashleyisakitty @keshaun455 @pooja195 @kennedy467 @Miracrown @Mewcifer

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anonymous
  • anonymous
Which of the following is the average of x2 - 16, 39 - x2 and 3x + 10 ? a) x + 3 b) 2x + 13 c) x + 11 d) x + 11/3 Explain how?
anonymous
  • anonymous
help me in these two questions
anonymous
  • anonymous
@e.mccormick
anonymous
  • anonymous
@Megan30400
anonymous
  • anonymous
@phi would you help in these two questions
phi
  • phi
average of x2 - 16, 39 - x2 and 3x + 10 ? add up these 3 expressions (and combine "like" terms) then divide by 3 to get the average
mathmate
  • mathmate
@annas In the first question, there is the sentence " Each of M and N has a link to R. Q-1." What is the meaning of "Q-1"? Is there a typo? Also, I think the question means each road (MNOPQR) has a colour, but each link road cannot link roads of the same colour. For example, if there is a link road between N and O, then N and O must have different colours.
mathmate
  • mathmate
The net can be represented as follows |dw:1434720504424:dw| For the cycle OPQ, we need three colours, meaning that O,P and Q have to have different colours. For the cycle OMRN, there are 4 vertices, so only two colours are needed. I will let you figure which vertices (out of OMRN) can have the same colour as O. If in doubt, take a piece of paper and draw the colours.
anonymous
  • anonymous
oh sorry Q-1 is a typo it's nothing lol
anonymous
  • anonymous
@phi and @mathmate thank you guys. I kinda forget old stuff now I remember thanks again :)

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