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A) Raf, Jasmin and Carlos swim lengths of the pool for charity. Raf swims 30 more lengths than Jasmin. Jasmin swims four times as many lengths as Carlos. Altogether they swim 372 lengths. How many lengths each person swim?

NB: Algebra question. As Carlos swims the lowest amount of lengths compared to Raf and Freya, and the information from the question follows from the total amount Carlos has swam, we use the symbol 'S' to ...

Answered by Fergus W. Maths tutor
2386 Views

Express 216 as a product of its prime factors.

Answer: 23 x 33Start by breaking 216 down into easily managed factors, for example the easiest would probably be 2 and 108. From there you can break down the non-prime factors into s...

Answered by Hidayah M. Maths tutor
10477 Views

a) If x=4, work out 3(x^2). b) Solve 6x-3=x+11

a) Our first step is to replace 3(x^2) with 3(4^2) as x=4. Remembering BIDMAS (Brackets, Indices, Division, Multiplication, Addition, Subtraction), we know we must first work out the value of 4 squared, a...

Answered by Dina H. Maths tutor
4166 Views

Express 56 as the product of its prime factors.

56 = 2 x 2 x 2 x 7.Prime numbers are the basic building blocks of all numbers. They can't be divided by any number apart from 1, or themseslves.

Answered by Isiah R. Maths tutor
26573 Views

Find the turning point of the line y = x^2 + 2x -1

d(x2+2x-1)/dx = 2x+2when dy/dx = 0, x = -1when x = -1, y = -2
therefore the turning point is (-1,-2)

Answered by Ebun O. Maths tutor
3842 Views

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