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Points A, B, C, and D, in that order, lie on a line. If AB = 3 cm, AC

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Points A, B, C, and D, in that order, lie on a line. If AB = 3 cm, AC  [#permalink]

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New post 10 Jan 2016, 07:25
00:00
A
B
C
D
E

Difficulty:

  5% (low)

Question Stats:

92% (00:45) correct 8% (01:01) wrong based on 736 sessions

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Points A, B, C, and D, in that order, lie on a line. If AB = 3 cm, AC  [#permalink]

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New post 11 Jan 2016, 08:18
1
Putting a value to each point, lets use the following:

A - 0
B - 3 (AB = 3)
C - 4 (AC = 4)
D - 9 (BD = 6)

CD is 9-4 = 5.

Ans E
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Re: Points A, B, C, and D, in that order, lie on a line. If AB = 3 cm, AC  [#permalink]

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New post 11 Jan 2016, 19:44
bc = 4- 3 = 1
cd= 6-1 = 5

Ans:E
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Points A, B, C, and D, in that order, lie on a line. If AB = 3 cm, AC  [#permalink]

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New post 27 Nov 2016, 23:23
nipunjain14 wrote:
bc = 4- 3 = 1
cd= 6-1 = 5

Ans:E


How did you get the second part (CD = 6-1 = 5) ?

Thanks,
Leon
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Re: Points A, B, C, and D, in that order, lie on a line. If AB = 3 cm, AC  [#permalink]

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New post 28 Nov 2016, 02:22
leonidbasin1 wrote:
nipunjain14 wrote:
bc = 4- 3 = 1
cd= 6-1 = 5

Ans:E


How did you get the second part (CD = 6-1 = 5) ?

Thanks,
Leon


BC = AC- AB = 4 - 3 = 1
CD = BD - BC = 6 -1 = 5

Hope this is now clear.
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Re: Points A, B, C, and D, in that order, lie on a line. If AB = 3 cm, AC  [#permalink]

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New post 11 Apr 2017, 22:51
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Bunuel wrote:
Points A, B, C, and D, in that order, lie on a line. If AB = 3 cm, AC = 4 cm, and BD = 6 cm, what is CD, in centimeters?

(A) 1
(B) 2
(C) 3
(D) 4
(E) 5


Given: The points are in order from A to D.
Given: Distance A to B = 3cm, Distance A to C = 4cm, Distance B to D = 6cm

Just draw a line:

A-----B-----C-----D
A--3--B--1--C--5--D

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Re: Points A, B, C, and D, in that order, lie on a line. If AB = 3 cm, AC  [#permalink]

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New post 06 Sep 2018, 08:26
AC-AB=BS
3-2=1
BD-BC=CD
6-1=5

ANSWER E
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Re: Points A, B, C, and D, in that order, lie on a line. If AB = 3 cm, AC  [#permalink]

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New post 16 Sep 2019, 08:20
Bunuel wrote:
Points A, B, C, and D, in that order, lie on a line. If AB = 3 cm, AC = 4 cm, and BD = 6 cm, what is CD, in centimeters?

(A) 1
(B) 2
(C) 3
(D) 4
(E) 5


Points A, B, C, and D, in that order, lie on a line. If AB = 3 cm, AC = 4 cm, and BD = 6 cm, what is CD, in centimeters?

A-----------B-------------C--------------D
----3------- --------------6-------------
-------------4-------------

CD = AB + BD - AC = 3 + 6 -4 = 9 -4 =5

IMO E
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Re: Points A, B, C, and D, in that order, lie on a line. If AB = 3 cm, AC  [#permalink]

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New post 30 Sep 2019, 09:02
Nice as a warm up question, thanks!

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Re: Points A, B, C, and D, in that order, lie on a line. If AB = 3 cm, AC   [#permalink] 30 Sep 2019, 09:02
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