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How do you write 36 as a product of its prime factors?

What is a prime number? This is a number which can only be divided by 1, and itself. 1 is not considered to be a prime number. The first few prime numbers are: 2, 3, 5, 7, 11, 13. Any even number can be divi...
CF
Answered by Charlotte F. • Maths tutor
111985 Views

John has twin sisters. The sum of the ages of John and his twin sisters is 39. In 4 years’ time the twins will be 18. How old will John be in 4 years’ time?

With a problem like this first you must pull the necessary information out of the question. It can make it more familiar if we assign single letters to the unknowns. In this case the unknowns are, Johns age ...
FW
Answered by Finlay W. • Maths tutor
6304 Views

Calculate the area of a sector which has an acute angle of 30 degrees and a radius of 5cm.

Sector area = (angle/360) + πr 2 Therefore the answer would be: Area = (30/360) + (π x 5 2 ) = 78.62 degrees to 2dp
PH
4193 Views

Discuss some of the challenges which come with deciding to protect and manage a coastline, use examples where possible.

Challenges often fall within one of the following categories: social or economic. Social issues often come from the local community, for example they may not agree with the instillation of a particular sea d...
PH
2546 Views

P (–1, 4) is a point on a circle, centre O which is at the origin. Work out the equation of the tangent to the circle at P. Give your answer in the form y = mx + c

A tangent makes an angle of 90 degrees with the radius of a circle.Using this fact, we find the gradient of the radius going through P = -4Therefore gradient of the tangent to the circle at P is -1/-4 = 1/4T...
CG
Answered by Charlie G. • Maths tutor
10557 Views