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Rectangle ABCD has sides 2x+5 and x+2 with rectangle EFGH of sides x+3 and x cut out of it. The total area of shape ABCD is 5cm^2. Show that 0 = x^2 + 6x +5 [5 Marks]

Area of ABCD = (2x+5)(x+2) = 2x 2 +9x +10Area of EFGH = (x+3)(x) = x 2 + 3xTotal Area = 5 = ABCD - EFGH = 2x 2 +9x +10 - x 2 - 3x 5 = x 2 + 6x +10 0 = x 2 + 6x +5(Follow up question could be to find x, eithe...
AS
Answered by Arad S. • Maths tutor
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Describe the operation of a D-Type Flip Flop [6 Marks]

On the rising edge of the clock (Ck) the signal at D is copied to output QQ BAR is the opposite logic state as QSet (S) and Reset (R) are priority inputsWhen S is high, Q is forced highWhen R is high, Q BAR ...
AS
Answered by Arad S. • Electronics tutor
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What is the tripartite analysis of knowledge? Is it succesful?

The tripartite analysis of knowledge suggests that there are three criteria which must be met in every case of knowledge, and that every time these three criteria are met one has a genuine case of knowledge....
JP
Answered by Joe P. • Philosophy tutor
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Example of GCSE French Speaking Question - Décris ta famille et les relations personnelles (Describe your family and relationships)

Ma famille y compris mes deux parents qui habitent à Doncaster avec mon petit frère et ma petite sœur. Mon père s'appelle Steve et il a quarante-sept ans. Normalement je m'entends bien avec mon père mais que...
CD
Answered by Charlotte D. • French tutor
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Once upon a time, in the Ancient Wizarding World of Haberdasher’sOne pound = 20 shillings One shilling = 12 penceA large Margarine-beer costs 1 pound 4 shillings and 9 pence. A small Margarine-beer costs 14 ...
DP
Answered by Darren P. • Maths tutor
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