# What is 2+2?

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### Pellumb Ahmetaj

QTS Secondary school Maths teacher with 4 years experience πͺπ―

2 plus 2 is 4. However if you take away 1 it becomes 3.

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Asked by Nicole

Maths π―#### My year 8 daughter is really excelling in Expanding Quadratics. What should I be teaching her next t...

Basic trigonometry would be useful and would prepare her for her GCSEβs. Also factorising quadratics. Once she knows how to factorise and expanding ...

Asked by Isabella

Maths π―#### How do u show -2<x<1 on a graph when doing a question on regions of inequalities?

Draw a straight line at -2 up the y axis and a straight line at 1 up the y axis. Shade the area between the two lines and this region on the graph i...

Asked by Stephanie

Maths π―#### How do you divide double numbers such as 659 divided by 32?

You can use the DMS method 1) D-ivide 2) M-ultiply 3)S - Subtract 32β659. Step by Step Solution 1) D 21 32β659 (Ask your self how many 32's go in to...

Asked by Anurag

Maths π―#### Should we study calculus or stats to prep for college?

In the uk we study calc and normally stats at a levels (US equivalent of seniors in high school I think) if we chose to study maths which is then bu...

Asked by Tae

Maths π―#### The line 2y+x=10 meets the circle x^2+y^2=65 at P and Q. Calculate the length of PQ?

Hi Tae, if we were to draw both of these on a graph we would get a circle centered at the origin and a line that meets the circle at two points. So,...

Asked by Sophie

Maths π―#### How do you do ratio?

The best way to do it would be to work with an example. Maybe if you ask the question again with the question you need help with, I can work on that...

Asked by Kiran

Maths π―#### T=5x + 2y. How do you you work out the value of T?

Well you can only work out value of T if you have values for x and y.

Asked by Elena

Maths π―#### How do you work out half equations in electrolysis?

Firstly you need to know the electrolyte and thus the cation(s) and anion(s) involved. Then you know the ions will be attracted to the oppositely ch...

Asked by Lexi

Maths π―#### How would you work out 2x(1/2x + 1/4) to get the answer x^2 + x/2?

Let's rewrite it like this: 2x(x/2 + 1/4) Now let's expand the brackets: 2x * x/2 + 2x * 1/4 2x * x/2 simplifies to x^2 as the 2s at the top (numera...

Asked by Ads

Maths π―#### How do you find out the number when only the percentage of it is given?

You do this by figuring out 100%. Let's work this out using an example: 25% of a number is 300. What is 100%? What do you have to do to 25% to get t...

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