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A linear sequence begins: a + 2b, a + 6b, a + 10b, ..., ... Given that the 2nd term has a value of 8 and the 5th term has a value of 44, calculate the values for a and b

This is a linear sequence which we can see increasing by 4b with every consecutive term.

Given the values of the first 3 terms, we can see that the 4th and 5th terms must be a + 14b and a + 18b...

AF
Answered by Alex F. Maths tutor
7807 Views

How do you form the future tense?

There are two ways to express an action in the future. You can either use the near future tense, using the present tense of 'aller' (to go) followed by the infinitive or the simple future tense where you ...

TD
Answered by Tara D. French tutor
2163 Views

How can I tell which prepositions takes which case?

This isn't as difficult as it seems: there are two categories of prepositions which only take one particular case (accusative only or dative only). I find it helpful to learn these in a list then rearrang...

CE
Answered by Connie E. German tutor
3597 Views

How would you answer the following exam question: Why were there disagreements at the Potsdam Conference in 1945? Explain your answer (6 marks- OCR, 2015)

The mark scheme requires that you provide a 'multi-causal response' for you to score full marks. This should mean that you provide two or three reasons why there were disagreements. Also, make sure that i...

LF
Answered by Luis F. History tutor
5792 Views

I’m confused by the difference between using f’(x) and f”(x) to find the minima and maxima of a curve

Imagine you have an object moving through time, like a car on the road. The distance that car travels=xThe speed of that object=f’(x)This is because speed is defined as the the rate of change of distance ...

XZ
Answered by Xorsheed Z. Maths tutor
2851 Views

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