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Find the nth term of the sequence 3,7,11,15...

We are searching for a rule that when we put in n (n represetning where the term is in the sequence eg. 3 is the first term so n will be 1) our output is the sequence above. This rule will most likely be in ...
JS
Answered by Joanna S. • Maths tutor
35517 Views

Solve 5x - 2 < 3x + 11

5x - 2 &lt; 3x + 11 --&gt; 5x &lt; 3x + 13 (Add 2) --&gt; 2x &lt; 13 (Subtract 3x) --&gt; x &lt; 13/2 (Divide by 2)
CL
Answered by Christopher L. • Maths tutor
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Given that log_{x} (7y+1) - log_{x} (2y) =1 x>4, 0<y<1 , express y in terms of x.

log_{x} (7y+1) - log{x} (2y) =1 --&gt; log_{x} [(7y+1)/2y]=1 (y =/= 0, Rules of logarithms i.e. difference of logarithms) --&gt; x = [(7y+1)/2y] (x&gt;0, Rules of logarithms i.e. log_{x} x = 1) --&gt; 2yx = ...
CL
Answered by Christopher L. • Maths tutor
6732 Views

How do you express partial fractions of a proper fraction that has a denominator of (x-2)(x+1)^2

A/(x-2) + B/(x+1) + C/(x+1)^2
RM
Answered by Rana M. • Maths tutor
4456 Views

Solve the following inequality: 6x -3 > 3x + 9

First, we start by moving the x's all over to one side. These are our undefined variable and it is important to keep them together. To do this, we take away 3x from either side and we get: 3x - 3 &gt; 9 Now,...
CB
Answered by Callum B. • Maths tutor
6554 Views