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Expand and simplify (x-7)^2

Write out the question fully like so: =(x-7)(x-7) 2. Expand the brackets using the FOIL method. i.e First Outer Inner Last or the Crab Claw Method You should get: = x^2 - 7x - 7x + 49 Be careful with signs, ...
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Answered by Aisling C. • Maths tutor
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Evaluate whether higher government spending will always increase inflation.

Government spending is the total spending by government on all goods and services in a given period of time. Inflation is the sustained increase in the general price level over a given period of time. Higher...
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Answered by Victor U. • Economics tutor
58900 Views

If 11 carrots weigh 170g how much would 20 carrots weigh?

170 divided by 11 is the weight of one carrot (15.45), so mulitply that by 20 (309.09) would be the weight of 20 carrots.
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Answered by Freya S. • Maths tutor
5268 Views

What is 'differentiation'?

Differentiating a function, f(x,t) with respect to a varible, such as x or t, tells you rate of change of the fucntion with respect to that varible. By subbing in a value for x into you differentiated functi...
CE
Answered by Charles E. • Maths tutor
3755 Views

Ihre Meinung nach, was sind die Vorteile von einer Schuluniform?

Either give some of the following advantages: Es hilft der Schuelern zu konzentrieren Es erleichtert die morgendliche Routine Es beugt dem Mobbing Or disagree and give the following disadvantages: Es kann Kr...
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Answered by Matthew H. • German tutor
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