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A circle has a radius of 4cm. An isosceles triangle has a base of 8 cm and a height of 12 cm. Which shape has the greatest area?

When reading a question try to pick out the important information, and don't get thrown off with unnecessary words like isosceles. A circle has a radius of 4cm . An isosceles triangle has a base of 8 cm and ...
EA
Answered by Emma A. • Maths tutor
4864 Views

Expand and Simplify 3x(8y-2) - 4y(6x -3) + 2x = 0

1) We will expand the function by multiplying each bracket by its coefficients. Lets divide the equation in two parts to make it a bit simpler: 3x(8y-2) = 3x 8y + 3x (-2) = 24xy - 6x -4y(6x - 3) + 2x = -4y 6...
TU
Answered by Teresa U. • Maths tutor
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Solve x^​2​ - 10x + 21 = 0 through the following methods: Factorisation, Completing the Square and using the Quadratic Formula

There are three ways of solving quadratic equations: Factorisation, Completing the Square and using the Quadratic Equation. All these methods are correct and it is up to you to choose which one you prefer to...
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Answered by Teresa U. • Maths tutor
30264 Views

What is the range of solutions for the inequality 2(3x+1) > 3-4x?

When it comes to answering questions about inequalities, it is important to remember the signs and what they represent. In this instance, we need to find a range of solutions where 2(3x+1) is greater than 3-...
LB
Answered by Lara B. • Maths tutor
4654 Views

Simplify fully (x^2*x^3)/x^4

This question requires knowledge of the rules of indices. The first rule we need to use is that when multiplying indices with the same base (which in this case is x), the indices are added. Therefore the exp...
FW
Answered by Florence W. • Maths tutor
7645 Views