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Solve x/2 + 3x/(x+) = 1

(x/2) + 3x/(x+1) = 1x(x+1) + 6x = 2x + 2x 2 + x + 6x - 2x = 2x 2 + 5x - 2 = 0 Using the quadratic formula, x 1 = (-5+(29) 1/2 )/2x 2 = (-5-(29) 1/2 )/2
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Answered by Emily D. • Maths tutor
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Show that a parallelogram is composed of an isosceles trapezium and an isosceles triangle

Draw a parallelogram composed of a trapezium and a traingle.Label:obtuse trapezium anlges as aacute trapezium angles as bbase triangular angles as ctop triangular angle as d By definition of a parallelogram,...
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Answered by Emily D. • Maths tutor
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Show that 0.81 reocurring = 9/11

Let x = 0.8181818181... 100x = 81.81818181...100x - x = 81.81818181... - 0.8181818181(100 - 1)x = 8199x = 81x = 81/99x = 9/11
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Answered by Emily D. • Maths tutor
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Are monopolies more efficient than firms under perfect competition?

Monopolies are the sole suppliers in a market, who are price makers, can create barriers to entry, create a unique product, and face a downward sloping demand curve. Under perfect competition, there are many...
AK
Answered by Alex K. • Economics tutor
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‘Writers are at their best when they acknowledge that relationships can have both positive and negative elements.’ How far do you agree?

The presentation of arguments within relationships is a significant example of writers acknowledging that relationships can have both positive and negative elements. There is a focus on the negative, the arg...
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Answered by Imogen S. • English tutor
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