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How would you convert the decimal 0.125 into a fraction in its simplest form?

0.125 is the same as 125/1000. This is because we have to remove the decimal point before creating a fraction. So 0.125 times by 1000 is 125 and at this point the decimal point has been removed. But 125/1000...
TD
Answered by Tutor61277 D. • Maths tutor
228305 Views

Find the equation of the tangent to the curve y = (5x+4)/(3x-8) at the point (2, -7).

Firstly, we need to find the gradient at this point on the curve as the tangent will have the same gradient. So to find the gradient of the curve or in other words, dy/dx, we differentiate the equation. To d...
MS
Answered by Manika S. • Maths tutor
4206 Views

A ball is fired from a cannon at 20m/s at an angle of 56degrees to the horizontal. Calculate the horizontal distance the ball travels as well as its maximum height reached.

This is a typical mechanics question in an AS/A-level exam and uses the principles of SUVAT and projection. We can try to calculate the maximum height reached first using the veritical components. SUVAT: s=?...
AF
Answered by Aaron F. • Maths tutor
6240 Views

Expand and simplify (6x+9)(4x+7)

Using the "crabs claw" or "parrot beak" method, draw lines linking the two brackets (demonstrated on whiteboard) 6x x 4x = 24x 2 6x x 7 = 42x 9 x 4x = 36x 9 x 7 = 63 Answer = 24x 2 + 42x ...
JG
Answered by Jenna G. • Maths tutor
5281 Views

How do you work out compound interest?

Check whether student can calculate simple interest, e.g. How much money would you have after 1 year if you have £50 and get 3% interest? (Ans: 50*1.03 = 51.50) Once this is understood get them to calculate ...
JW
Answered by Joanna W. • Maths tutor
4173 Views