In the diagram, m_1 = (4x + 10)° and mZ2 = (x + 20°. The value of x' is:
1 answer:
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In order to figure this out you need to use Descartes Rule. I attached a picture showing Descartes Rule. If the signs changes for when x is positive then the number of times it changes are the possible positive solution. If the sign changes when x is negative then the number of times it changes are the possible negative solutions. With that said the answer is A. View the picture I have attached for the possible + - and imaginary solutions.
Answer = A) One possible positive solution.
Answer = A) One possible positive solution.
You can’t really know the y value unless you’re told that they’re both directly proportional. if so, then check out the pic
