anonymous
  • anonymous
I would really appreciate if someone could help me with the following questions below. I really really stink at this.
Geometry
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
anonymous
  • anonymous
Here it is
1 Attachment
anonymous
  • anonymous
\(\Large\rm\color{orange}{Welcome~to~OpenStudy!}\) We can help you but you'll have to figure the answers out on your own because this is a quiz.
anonymous
  • anonymous
No worries that's what I'm looking for.

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anonymous
  • anonymous
@just_one_last_goodbye @GreatGuy
anonymous
  • anonymous
@Australopithecus
phi
  • phi
any idea what the little "red marks" mean in your picture?
anonymous
  • anonymous
What red marks are you referring to?
phi
  • phi
the little red lines on AB and BC
anonymous
  • anonymous
No clue tbh
Rhystic
  • Rhystic
the red ticks indicate that AB and BC are equal in length so if AB = 80 you have your answer. This is standard for any problem so commit it to memory; if there are more then one set of lines with same lengths they are indicated with two tick marks each for second set etc.
phi
  • phi
oh. When you see a "hash mark" like those, it means the two line segments are the same length
phi
  • phi
so you should think: from A to B is some distance. and from A to C is twice the distance from A to B
anonymous
  • anonymous
Okay so it would be 160
phi
  • phi
now you need to read what they told you. what did they tell you ?
phi
  • phi
do you see the question: if AC is 80 ... that means the distance from A to C is 80 (inches, miles, whatever) they want to know A to B we know AB + BC = AC (the two halves add up to the whole)
anonymous
  • anonymous
ahh 40
phi
  • phi
yes.
phi
  • phi
For Q6, if AB is 28, then BC is what ?
phi
  • phi
it is the same picture and the same idea
anonymous
  • anonymous
56
phi
  • phi
AB and BC are the same size (that is what the red lines mean)
anonymous
  • anonymous
So they are both 28?
phi
  • phi
yes AB and BC are both 28
phi
  • phi
they say BC is also 3x+7 so if BC =28 and BC= 3x +7 we can say 3x+7= 28 can you "solve for x" ?

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