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The width of a Rectangle is 4cm shorter than its length. the rectangle has an area of 32cm2. Calculate its perimeter?

x (x-4) = 32X^2-4x-32 = 0(x-8)(x+4) = 0 x=8perimeter =8+4+4+8 = 24cm.
DH
Answered by Daniel H. • Maths tutor
4578 Views

Differentiante y = arctan(c)

y = arctan(x)tan(y) = xsec 2 (y) = dx/dyfrom cos 2 A + sin 2 A = 1, we know that 1 + tan 2 A = sec 2 A (divide by cos 2 A), so we substitute in1 + tan 2 (y) = dx/dyfrom the initial relationship,1 + x 2 = dx/...
SS
Answered by Savvas S. • Maths tutor
3381 Views

Consider this passage: Homer, Odyssey 11.467-567

There are three important factors to consider in order to interpret passages such as this: context, content and significance.The first, context, involves considering who is speaking, what comes before the pa...
IB
1701 Views

How do I write about my various interests and extra-curricular for a medical school application?

Medical school personal statements can be difficult to write as you are addressing why you would like to be a doctor and you must think about the profession, rather than a single subject. Every description y...
NA
2637 Views

On the reaction profile below, label the activation energy and the energy given out ((delta)H) - 2 marks

1 mark for each correct label
MS
Answered by Mike S. • Chemistry tutor
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