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Maths
GCSE

What is the value of 5^15 / (5^3)^3

We know from our rule of indices that raising a power to a power can be simplified by multiplying so (53)3 = 59 we also know that when dividing indices we can use the subt...

Answered by Benjamin G. Maths tutor
2386 Views

Find the point of intersection between the lines 2y=-4x+4 and 3y=10x-3

The easiest way to find the point of intersection between two lines is to use simultaneous equations. Begin by setting y=y or x=x. In this case we will be setting y=y, in order to do this you must manipul...

Answered by Scott S. Maths tutor
2421 Views

Work out 3 and 1/2 divided by 2 and 4/5

Start by converting these mixed numbers into top-heavy fractions: 3 and 1/2 becomes 7/2 (3x2=6; 6+1=7)2 and 4/5 becomes 14/5 (2x5=10; 10+4=14)Then use the 'KFC' formula - 'Keep it, flip it, calculate it':...

Answered by Sarah M. Maths tutor
6591 Views

Simplify the following: ((1/3)(c^2))^3

So you have the following: ((1/3)(c^2))^3 which can be rewritten as:((1/3)(c^2))x((1/3)(c^2))x((1/3)(c^2)) at which point it becomes easier to simplify:= (1/3)x(1/3)x(1/3)xc^(2+2+2)= (1/27)c^6

Answered by Orlando B. Maths tutor
2397 Views

How do you work out the gradient of a straight line?

Look at the graph for two points that you can read the x and y values for easily. Then draw a triangle using these two points and use a ruler to draw a dotted line or just to help you read the x and y val...

Answered by Connor L. Maths tutor
2787 Views

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