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A right-angle triangle has sides AB, BC and CA with the right -angle between sides BC and CA. The angle between AB and BC is 24 degrees. The length of AB is 12m. How long is side BC?

Firstly we draw the triangle. From here we can see that the hypotenuse is side AB and the angle we know is between this side and the side we are trying to find the length of. This is when we can use eithe...

Answered by Katherine D. • Maths tutor

3063 Views

Write 7/8 as a decimal

In a non-calculator paper use long division to decimal places when converting fractions.In this scenario, I would use the whiteboard to go through long division step-by-step.Answer = 0.875

Answered by Ebele A. • Maths tutor

2836 Views

if b is two thirds of c. 5a = 4c Work out the ratio a : b : c

So firstly, we need to write the statement "b is two thirds of c" as an equation. This can be written as b=2/3 c. As a ratio this can be written as b:c is 2/3:1 . Now we went to write the equat...

Answered by Mike T. • Maths tutor

17918 Views

Given 2 points, how do you calculate the equation of a straight line?

Remember that the equation of a straight line function is: ax+c. a= change of y/ change of x
The steps to follow are:1- find the gradient of the slope2- replace the equation by values coming from any...

Answered by Zachary J. • Maths tutor

2654 Views

Simplify the algebraic expression: (3x^2-7x-6)/(x^2-6x+9)

We start by noticing that both the numerator and denominator are expressions which can be factorised into brackets. Starting with the numerator, we multiply the coefficient of x^2 and the constant term to...

Answered by Emily G. • Maths tutor

4019 Views