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Prove that the square of an odd number is always 1 more than a multiple of 4.

Recap, what is 'squaring a number'? Multiplying a number by itself, for example, 3 x 3 = 9. The question hasn't given us a specific number, hence that value can be any number, it is said to be a 'variable...

Answered by Florence O. • Maths tutor

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Solve the equation to 2 two decimal places: (2x+3/x-4 ) - (2x-8/2x+1) = 1

(2x+3/x-4 ) - (2x-8/2x+1) = 1 (2x+3/x-4) = 1 + (2x-8/2x+1) [Add (2x-8/2x+1) to each side]2x+3= x-4 + (2x-8)(x-4)/2x+1 Times both sides by (x-...

Answered by Jude K. • Maths tutor

2895 Views

Simplify a^4 x a^5

Question = Simplify a⁴ x a⁵-------------------------------------------So here we have two 'groups' of a being multiplied together. We can rewrite a⁴ and a⁵ as t...

Answered by Finn A. • Maths tutor

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A circle with diameter 6cm is cut from a square with side length 7cm. What is the remaining area of the square? You may assume pi = 3 for this question.

This is an example of a question that may appear in a calculator paper. In this question the area of the square and circle must be found individually, and the area of the circle subtracted from the area o...

Answered by Louis K. • Maths tutor

2454 Views

How do I draw a pie diagram?

-Pie charts are used to illustrate relative sizes of particular categories -Take the frequency of each category and scale it up to 360 degrees-Give an example to demonstrate e.g. colours of cars

Answered by Kavisha L. • Maths tutor

2159 Views