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Solve algebraically: 6a+b=16, 5a-2b=19

To solve these simultaneous equations, you must add/subtract both equatons from each other to eliminate one variable, allowing you to work out the value of the other. As you can see from these particular equ...
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Answered by Tanush M. Maths tutor
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Find the derivative for y=5x^3-2x^2+7x-15

To find the derivative, you look at each term and multiply the constant in front of the x by the power of x. Also you must lower the power of x by one after this step. So 5x 3 would be differentiated to 15x ...
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Answered by Tanush M. Maths tutor
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factorise the equation x^2+17x+70

Firstly, you can see from the equation that each bracket must contain an x since these multiply together to give the x 2. So you get (x..)(x..) Next, to obtain the last number of the equation you must have t...
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Answered by Tanush M. Maths tutor
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How does the social learning theory explain aggressive behaviour?

The social learning theory is a concept that tries to explain human aggressive through direct observation and imitation for example if a child saw their parent act aggressively towards another person they wo...
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What is the gender schema theory?

Schema -a schema is a mental representation of an aspect of the world. Stereotype is a word often used instead of schema. For example if I asked you to write down all the words you would associate with an at...
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