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Let a and b be real numbers. The complex number 4 - 5i is a root of the quadratic z^2 + (a + 8i) z + (-39 + bi) = 0. What is the
1 answer
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Prove algebraically that |w+z| is less than or equal to |w|+|z| for any complex numbers w and z, where || is the magnitude.
After
1 answer
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Show that r = cos theta is a graph of a circle with diameter 1 from 0,0 to 0,1
How to do this algebraically? I know r = sqrt(x^2
4 answers
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Let a and b be real numbers. Describe the graph of r = a cos (theta + b) as much as possible. (The intent of this question is to
2 answers
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The U.S.S. Lollipop is on assignment in the Atlantic Ocean. It travels from a longitude of 70 degrees west to 20 degrees west,
4 answers
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Answers (10)
evaporation of water is endothermic thus cooling the air therefore the answer is yes
never mind I figured it out with vieta's formula :)
For Comp Science/programming, try using stackoverflow for help
holy that's a lonnggg post ...erm .... could you just do it yourself cuz it seems like the first one is wrong and so just check your work
Whoops sorry 4 2/6 = 26/6 22/5 = 6*22 / 30 26/6 = 26*5 / 30 thus we have (6*22 + 26*5 )/30 so we have 262/30 = 8 22/30 = 8 11/15
*facepalm* Could you maybe post as a separate question not as a continuous chain? Anyway 4 2/5 = 22/5 4 2/6 = 2
thanks xD
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thank you that helped !
Paul revere purposely deemed it as a "massacre" so thus it is not c. People during colonial period actually had a higher literacy rate(by like 205 o.O) so it's not d. A misnomer is a thing that is labeled incorrectly. its not b its A because members of the
