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Mathematics 10 Online
OpenStudy (anonymous):

Julie is looking at a treasure map. The map is marked in paces. If she is standing at the streetlight, how many paces will it be for her to go directly to the bridge?

OpenStudy (anonymous):

OpenStudy (owlcoffee):

So, each square represents a pace?

OpenStudy (anonymous):

yup

OpenStudy (owlcoffee):

Let's create a triangle using the paces we need. First off let's take 7 paces to the left and then about 5 up, and we want to find the hypotenuse of the triangle: |dw:1436194791651:dw| \[x^2 = 5^2 + 7 ^2\]

OpenStudy (anonymous):

74

OpenStudy (owlcoffee):

Close, what you just calculated was this: \[x^2=74\] Now, taking the square root on both sides: \[x = \sqrt{ 74}\]

OpenStudy (anonymous):

8.6

OpenStudy (owlcoffee):

Correct.

OpenStudy (anonymous):

its not an option but the closest are 7 and 10

OpenStudy (owlcoffee):

I would say the answer is 10.

OpenStudy (anonymous):

thanks<3

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