Top answers

Two identical cuboids have dimensions of 4cm by 6cm by 12cm. What is their combined volume?

4cm*6cm = 24cm 2 (End face) 24cm 2 *12cm = 288cm 3 (Volume of one cuboid) 288cm 3 *2 = 576cm 3 (Volume of two cuboids)
AG
Answered by Alex G. • Maths tutor
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What is a deontelogical theory?

A deontelogical theory is essentially an ethical theory that highlights the intrinsic worth of our actions, as opposed to the consequences our actions bring. In other words, whilst some actions may bring abo...
TD
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How do I form the passé composé?

In French, the perfect tense (or passé composé ) is formed using the present tense of the verb avoir (for all verbs except for a few exceptions which use the present tense of the verb être) and what we call ...
BR
Answered by Briony R. • French tutor
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Solve the simultaneous equations: x^2 + y^2 = 25 and y − 2x = 5

x 2 +y 2 =25, y-2x= 5 y = 5+2x -----> y 2 = (5+2x) 2 = 25 + 20x +4x 2 x 2 + 4x 2 + 20x + 25 = 25 5x 2 + 20 x = 0 x = 0 y = 5+(2*0) y=5
AG
Answered by Alex G. • Maths tutor
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a) Factorise the following expression (x^2)-49 b) Differentiate the following equation y = (x^2) - 49 and find the stationary points of the equation

a) (x+7)(x-7) b) y = (x^2) - 49 y' = 2x 0 = 2x x = 0 y = (0^2) - 49 y = -49, x = 0
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Answered by Thomas G. • Maths tutor
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