Mathematics
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OpenStudy (melody323):
Julie is looking at a treasure map. The map is marked in paces. She is standing by the merry-go-round. How many paces will it be for her to go directly to the bridge?
about 20 paces
about 4.5 paces
about 6 paces
about 12 paces
10 years ago
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OpenStudy (melody323):
Which of the following figures does not have line symmetry?
H
D
R
A
10 years ago
OpenStudy (mathwizzard3):
which one is the merry go round?
10 years ago
OpenStudy (melody323):
The circle with the brown lines on it by the river
10 years ago
OpenStudy (mathwizzard3):
Oh okay :)
10 years ago
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OpenStudy (mathwizzard3):
Why don't we use the distance formula again!
10 years ago
OpenStudy (melody323):
I was thinking 4.5 paces but I don't know how to do this
10 years ago
OpenStudy (melody323):
ok
10 years ago
OpenStudy (mathwizzard3):
Lets treat this like a regular graph with the x and y axis. What is the point for the MGR and for the Bridge?
10 years ago
OpenStudy (mathwizzard3):
MGR=merry-go-round
10 years ago
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OpenStudy (melody323):
2,3 for the MGR
10 years ago
OpenStudy (mathwizzard3):
why do you think it would be 2,3?
10 years ago
OpenStudy (mathwizzard3):
I would say 9,7
10 years ago
OpenStudy (melody323):
ok
10 years ago
OpenStudy (mathwizzard3):
while for the bridge about 5,6
10 years ago
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OpenStudy (melody323):
I don't know what I'm doing
10 years ago
OpenStudy (melody323):
ok
10 years ago
OpenStudy (mathwizzard3):
It's fine :P Half of the time that is me xD
10 years ago
OpenStudy (melody323):
whats the equation
10 years ago
OpenStudy (mathwizzard3):
d= sqaure root of (9-5)^2+ (7-6)^2
10 years ago
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OpenStudy (melody323):
hold on
10 years ago
OpenStudy (mathwizzard3):
what is it?
10 years ago
OpenStudy (melody323):
i think i did it wrong
10 years ago
OpenStudy (melody323):
(9-5) ^2 + ( 7-6)^2
4^2 + 1^2
8 + 2 equals 16
This is what I got
10 years ago
OpenStudy (mathwizzard3):
You messed up when you said 4^2 = 8 and 1^2 = 2
10 years ago
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OpenStudy (mathwizzard3):
4^2 is actually 4 times 4
10 years ago
OpenStudy (mathwizzard3):
and 1^2 is actually 1 times 1
10 years ago
OpenStudy (mathwizzard3):
so it should be 16 + 1
10 years ago
OpenStudy (melody323):
so it would 16 + 1
10 years ago
OpenStudy (melody323):
but 17 isn't an answer
10 years ago
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OpenStudy (mathwizzard3):
remember that everthing is in the \[\sqrt{everything}\]
10 years ago
OpenStudy (mathwizzard3):
so it is the square root of 17
10 years ago
OpenStudy (mathwizzard3):
which is about 4.1
10 years ago
OpenStudy (mathwizzard3):
but since we had to estimate a little it was a liitle off so it is B
10 years ago
OpenStudy (melody323):
So 4.5
10 years ago
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OpenStudy (mathwizzard3):
Yup!
10 years ago
OpenStudy (melody323):
What about the symmetry question with the letters
10 years ago
OpenStudy (mathwizzard3):
Where are the figures, I need a picture
10 years ago
OpenStudy (melody323):
it won't let me put it up
10 years ago
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OpenStudy (mathwizzard3):
Yeah I can't see the picture
10 years ago
OpenStudy (melody323):
All the letters that I posted look similar to this one
10 years ago
OpenStudy (mathwizzard3):
Wait so your just talking about letters
10 years ago
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OpenStudy (mathwizzard3):
please just look at the examples on that link I gave you and then tell me what you think it is
10 years ago
OpenStudy (melody323):
ya
10 years ago
OpenStudy (mathwizzard3):
Now which letter do you think doesn't work?
10 years ago
OpenStudy (melody323):
D or R
10 years ago
OpenStudy (melody323):
I was thinking R
10 years ago
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OpenStudy (mathwizzard3):
|dw:1460756256912:dw|
10 years ago