Top answers

Maths
GCSE

Solve 10(x + 2) – (2x – 9) = 30

10(x+2) -(2x-9)=30; 10x+20-2x+9=30 paying attention to the sign change when solving the brackets; 8x+29=30; 8x=1 separating in order to find out x; x=1/8

CE
Answered by Cristian E. Maths tutor
4176 Views

Factorise and simplify (6x-42)/((x^2)-49)

When we factorise, we are trying to put a long expression into a couple of brackets to make it neater and easier to work with. It is the opposite to multiplying out brackets. To start off with, we will fa...

RS
Answered by Robert S. Maths tutor
4047 Views

If s=ut + 1/2 at^2 , a) make a the subject of the expression b) make u the subject of the expression c) if s=10, t=2 and u=4 find the value of a

a) s=ut + 1/2 at2Firstly , take the ut to the left hand side of the equation in order to isolate the 1/2 at2.s-ut=1/2 at2 Then multiply both sides by 2 to leave just at

FY
Answered by Freddy Y. Maths tutor
4426 Views

Given that F(x) = X^2 - 10X + 17. Write F(x) in the form of (x+a)^2 + b = 0, where a, & b are constants.

So we know that our equation is: X2 - 10X +17 = 0. STEP 1: rearrange this equation to get x on one side: X2 - 10X = -17. Lets call this, "equation 1". STEP 2: Understand th...

RM
Answered by Rumit M. Maths tutor
3654 Views

The Tour de France is 2162miles long. A cyclist knows his average speed his 12.37 miles/hour from his previous races. For the Tour de France the cyclist knows he will cycle for 10 hours a day. Estimate how many days it will take him to complete the race.

First you must figure out your estimates, in this case you can round 2162 down to 2000 and 12.37 to 10 to make your solutions easier. First you must calculate the total number of hours it is going to take...

Answered by Maths tutor
2824 Views

We're here to help

contact us iconContact usWhatsapp logoMessage us on Whatsapptelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

© MyTutorWeb Ltd 2013–2025

Terms & Conditions|Privacy Policy
Cookie Preferences