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Solve the following pair of simultaneous equations; 10x+4y=15, 2x+y=7

So, to solve these equations, you must choose the variable you want to work with, in this case let's go with y. Make sure that you write out every step of your working so it is easy to follow and minimises m...
JH
Answered by Jung H. • Maths tutor
3657 Views

Write √5 ( √8 + √18 ) in the form a√10, where a is an integer, without using a calculator.

We start by expanding the brackets : (√5 x √8) + (√5 x √18). A common mistake here is to attempt to add √8 and √18 together. We can't do this because of algebra rules. BIDMAS states that multiplication is do...
AJ
Answered by Adrienn J. • Maths tutor
11795 Views

Solving simultaneous questions, e.g. 3x + y = 11 and 2x + y = 8

The unknowns in a simultaneous equation need to be solved, which in this case are x and y.The method I will be using is by elimination:First, find which unknown has the same coefficient. In this example this...
SS
Answered by Simran S. • Maths tutor
3161 Views

y = (3t + 1)/p, Where t = 3, and y = 2, what is the value of p?

Firstly, we need to make the unknown variable(p) the subject of the formula. As this is the denominator of a fraction we can multiply both sides of the equation to get rid of the denominator on the right han...
LP
Answered by Louis P. • Maths tutor
4262 Views

write 36 as a product of its prime factors

a prime number is a number which is only divisible by itself and one e.g 2, 3 , 5, 7when writing a number (in this example 36) as a "product of its prime factors" you need to find the prime numbers...
BA
Answered by Bilal a. • Maths tutor
11988 Views