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How would I find the formula for the nth term of a sequence such as 3, 7, 11, 15, 19?

This is an example of a linear sequence which will always have the formula: un=an+b.Where 'a' is the common difference between each term and 'b' is ...

TG
Answered by Tommy G. Maths tutor
2875 Views

gradient and differentiation

dy/dxfirst principal

YZ
Answered by Yubin Z. Maths tutor
2037 Views

Analyse Goethe's poem 'Heidenröslein'.

Das Gedicht besteht aus drei Strophen mit jeweils sieben Versen. Bei dem Metrum handelt es sich hauptsächlich um einen drei- oder vierhebigen Trochäus, jedoch ist der Rhythmus nicht ganz gleichmäßig. Die ...

SP
Answered by Sarah P. German tutor
2889 Views

solve the simultaneous equation: 5x+y =21 and x-3y=9

5x+y=215x-15y=45
16y = -24 y = -1.5
5x -1.5 =215x=22.5x=4.5

CM
Answered by Caitlin M. Maths tutor
2393 Views

what are stomata

little holes in the leaves of plants. this allows air to get in to the leaf so the plant can use it to make all the things it needs to live! the problem is, these little stomata can let water leave as wel...

MB
Answered by millie b. Biology tutor
2900 Views

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