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Liono4ka [1.6K]

1 year ago

13

Of the 9 people attending a lecture, 3 have green eyes.

1 answer:

nadya68 [22]1 year ago

4 0

The probability is 1/3

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What is parallel to 2x-y=1 and contains (4, -6)? Please show your work!

Contact [7]

$k:\ y=m_1x+b_1\\\\l:\ y=m_2x+b_2\\\\l\ ||\ k\iff m_1=m_2\\\\\text{We have}\\\\k:\ 2x-y=1\ \ \ |-2x\\-y=-2x+1\ \ \ \ |\cdot(-1)\\y=2x-1\to m_1=2\\\\l:\ y=m_2x+b\\\\l\ ||\ k\iff m_2=2\\\\l:\ y=2x+b\\\\\text{The line l contains (4, -6)}\\\\\text{Put the values of coordinates to the equation of line l}\\\\-6=2(4)+b\\-6=8+b\ \ \ \ \ |-8\\b=-14\\\\Answer:\ y=2x-14\to 2x-y=14$

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2 years ago

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It’s B. k. If you think about it and try to solve it in a notebook you’ll get the answer. Hope this helps

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If you're looking for the angle it is a 30, 60, 90, but if you're looking for the length of the hypotenuse it's 5

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