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To expand this, we must multiply each term in both brackets separately and then add all of these terms together. First, multiply the first term in each of the brackets: 3a x a = 3a^2. Next multiply the fi...

Duffy also presents the fragility of love through her choice of form. ‘You’ is a Shakespearean sonnet, comprised of four quatrains and a rhyming couplet, which is a traditional poetic choice when presenti...

When faced with a question like this, the aim is to work out the value of "x". What this question basically means is "what number can we multiply by 2 and add 1 onto it to get 11. There a f...

First you would figure out how many bags of sweets Adam made, this would be done by converting 4kg into grams (x1000) so 4 x 1000 = 4000g. Then you would divide the 4000g by 250g to see that 16 bags of sw...

The key equation here is v = fL ( v is wave speed (m/s), f is frequency (Hz), L is wavelength (m)). We need to rearrange it to get L (the wavelength). To do this, we divide by f to get L = v/f. Frequency ...