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OpenStudy (anonymous):
given the vectors v= -2i + 5j and w= 3i+ 4j determine length of w
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OpenStudy (tkhunny):
I'm going with 5. This is an eyeball problem. You should be familiar with the Pythagorean Theorem and at least one or two sets of Pythagorean Triples. 3-4-5 is one such.
OpenStudy (anonymous):
oh i answered it, just took me a while. yes you're right, its five.
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