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Solve the following two equations simultaneously: 3x + y = 10, x + y = 4

Label the equations Equation 1: 3x + y = 10Equation 2: x + y = 42) Establish if the equations need to be subtracted or added together: 'Same sign is subtract and different sign is add' Therefore we need to s...
BA
Answered by Bethany A. Maths tutor
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Sketching a quadratic

Firstly ensure equation is equal to 0, so all variables are on one side of the equation. Factorize the quadratic to find the x intercepts. Complete the square to find the minimum/maximum point of the curve.I...
AB
Answered by Abraham B. Maths tutor
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Prove the square of an odd number is always 1 more than a multiple of 4

We will start by representing an odd number using algebra. Let n be a integer, i.e. 1,2,3,4,etc. then we can define an odd number as (2n)-1. This is because if a number is of the form 2n it must be even, sin...
TD
Answered by Tutor285427 D. Maths tutor
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How do I use simple integration?

It's a simple process once you know the basics behind it.Let's take X 2 We have been asked to integrate this.The first thing is to always add 1 on to the power.X 3 Next thing is to divide by that same power....
JA
Answered by Jamaal A. Maths tutor
3425 Views

What is hydrogen bonding?

Hydrogen bonding is a type of chemical interaction, or bond, that occurs between certain types of molecules. Hydrogen bonding relies on a chemical concept known as polarity . Just as the name suggests, polar...
AL
Answered by Anya L. Biology tutor
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