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How do I make x the subject of the formula?

5x+11=(y+2)/2
Best way to think about this is like its a normal equation where you're trying to find the value of x, just break it down into simple steps. The best thing to do first is to get rid of ...

Answered by Isabelle O. • Maths tutor

11488 Views

How does a tsunami form and why do their waves increase in size as they approach the shore?

This question is initially asking for the understanding tsunami formation process. It would be useful to provide a brief definition of a tsunami, so the examiner knows you have a clear idea of...

Answered by Alice S. • Geography tutor

3330 Views

I am producing work of a very high quality, but this is not reflected in my grades. Why?
It is very common for A-level Art students who produce work which displays outstanding quality and technical skill to feel that their abilities are not reflected by their grades. This problem arises when ...
RM
Answered by Reuben M. • Art tutor
1564 Views

Where does integration by parts come from?
The best way to do well in maths, is to learn where things come from. Mastering the basics makes everything else much easier!
To start, consider the product rule
TM
Answered by Tom M. • Maths tutor
2928 Views
The first floor of an ancient japanese tower has 150 steps. Each floor above has 5 fewer floors than the previous. So, the second floor has 145 steps, the third 140 etc. How many floors does the tower have if the final floor has 30 steps leading to it.
Note this is an arithmetic series problem, so we use the equation: x_n= a + d(n-1).
Number of steps on the first floor is 'a', i.e. a = 150.
Difference in the number of steps on each ...
JF
Answered by Joel F. • Maths tutor
2837 Views
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Top answers

How do I make x the subject of the formula?

How does a tsunami form and why do their waves increase in size as they approach the shore?

I am producing work of a very high quality, but this is not reflected in my grades. Why?

Where does integration by parts come from?

The first floor of an ancient japanese tower has 150 steps. Each floor above has 5 fewer floors than the previous. So, the second floor has 145 steps, the third 140 etc. How many floors does the tower have if the final floor has 30 steps leading to it.

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