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A curve has the equation y=x^3+2x+15. Find dy/dx.

Here, we are asked to differentiate with respect to x. That is what dy/dx stands for. So, we are only concerned with the terms involving x; that is x^3 and 2x. To differentiate you need to time x (and its co...
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Answered by Zein A. • Maths tutor
3902 Views

How do you use direct object pronouns in French?

To avoid repeating ourselves in English we often replace a noun with it. In French we use the direct object pronouns: le, la and les in place of their respective gender noun. They come before the verb, and a...
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Answered by Alice Y. • French tutor
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What is the difference between language, form and structure?

All used when analysing poems, plays and prose (novels) Language This is the type of words that are used (eg metaohors, similes, alliteration, onamatopoeia) and the effect that they have on the reader - what...
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Bhavin, Max and Imran share 6000 rupees in the ratios 2 : 3 : 7. Imran then gives 3/5 of his share of the money to Bhavin. What percentage of the 6000 rupees does Bhavin now have? Give your answer correct to the nearest whole number.

2 + 3 + 7 = 12 6000/12 = 500 7 x 500 = 3500 (3/5) x (3500) = 2100 2100 + 2(500) = 2100 + 1000 = 3100 (3100/6000) x 100 = 52%.
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Answered by Alex B. • Maths tutor
10391 Views

Find the value of x if the following is true: 3(x – 2) < 8 – 2x

So our first priority is to get all the Xs onto on side and add them together. But we cant do that just yet because of 3(x-2). so lets move all X values to the left of the equation 3(x-2) + 2x &lt; 8 (Notice...
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Answered by Peter D. • Maths tutor
4747 Views