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OpenStudy (theedwardsfamily):
Are you that good in math? xD
OpenStudy (lolacole12):
KINDA
OpenStudy (theedwardsfamily):
yea, same. lol
OpenStudy (lolacole12):
LOL you got a question
OpenStudy (anonymous):
Will you try to help me?
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OpenStudy (lolacole12):
yes
OpenStudy (anonymous):
Can I post my question here?
OpenStudy (lolacole12):
@kwippykat i will
OpenStudy (lolacole12):
yes
OpenStudy (anonymous):
Ok thank you!
Josh is building an enclosure with recycled cardboard for his collection of model cars. His design is as shown below:
What is the length of side BC in inches? (6 points)
A. 14
B. 42
C. 49
D. 63
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OpenStudy (anonymous):
Can you teach me how to do this please?
OpenStudy (lolacole12):
yep
OpenStudy (anonymous):
Ok, Thank you!
OpenStudy (lolacole12):
Every inch in the model is 7 inches, so...
OpenStudy (anonymous):
What do you mean?
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OpenStudy (lolacole12):
i have to go to the dentist sorry its 49
OpenStudy (anonymous):
But I need to know how to do it. Suggest someone please. Thanks though.
OpenStudy (anonymous):
@phi Sorry to tag you again but can you help with this too. Why is it 49?
OpenStudy (anonymous):
i need help
OpenStudy (phi):
the left figure is dilated by some factor to get the right-hand figure.
we see side ML =8 and DC is 56
8*k= 56
to find k, divide both sides by 8, to get k=56/8= 7
now use k=7
k*any_side_of_left_figure = size_of_right_figure
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