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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,...
ED
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
ED
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...
IS
Answered by Imogen S. • English tutor
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The rectangles A and B have perimeters of 94cm and 56cm as shown below (insert diagram). Rectangle A: base = 2x cm, height = 3y cm. Rectangle B: base = (x+6)cm, height = (y+4)cm. Use an algebraic method to calculate the area of each rectangle. (8 marks)

Formulas needed: Perimeter of rectangle = 2*(base + height) Area of rectangle = base * height. Using the information given we need to define the perimeter of A and B algebraically. Rectangle A: base = 2x, he...
UQ
Answered by Umar Q. • Maths tutor
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