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

(x/2) + 3x/(x+1) = 1x(x+1) + 6x = 2x + 2x² + x + 6x - 2x = 2x² + 5x - 2 = 0
Using the quadratic formula,
x₁ = (-5+(29)^1/2)/2x₂ = (-5-(29)

Answered by Emily D. • Maths tutor

2831 Views

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 parall...

Answered by Emily D. • Maths tutor

3331 Views

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

Answered by Emily D. • Maths tutor

3359 Views

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 m...

Answered by Alex K. • Economics tutor

3348 Views

‘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 ...

Answered by Imogen S. • English tutor

1645 Views