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Solve the equation ((2x+3)/(x-4))-((2x-8)/(2x+1)) = 1 to 2 decimal places.

First, multiply by the denominators making sure to multiply on both sides of the equation and the other fraction. You should start this by multiplying through by one of the denominators and then by the ot...

Answered by Harry C. • Maths tutor

3160 Views

Paul organised an event for a charity. Each ticket for the event cost £19.95 Paul sold 395 tickets. Paul paid costs of £6000 He gave all money left to the charity. (a) Work out an estimate for the amount of money Paul gave to the charity.

This question asks us to estimate the amount of money Paul gave to Charity.

To work out an estimate we must start by rounding
PP
Answered by Priti P. • Maths tutor
15461 Views

Amy earns £6 for every hour she works Monday to Friday. She earns £8 for every hour she works on Saturday. One week Amy worked for 5 hours on Saturday - she earned £130 that week. How many hours did she work from Monday to Friday?
Amy worked for 5 hours on Saturday so she earned £8 x 5 = £40 on that day.

She earned £130 in total so we know she earned £130 - £40 = £90 working from Monday to F...
HM
Answered by Hamza M. • Maths tutor
3876 Views

A cylinder has a circular face with a diameter of 10cm, and a body of length 30cm. Calculate the volume of the cylinder.
First recognise that the diameter is 10cm so the radius of the circle must be 5cm.

Next use the formula for the area of a circle, πr², to work out the area of the circul...
HM
Answered by Hamza M. • Maths tutor
5841 Views

Calculate the value of both x and y using the following 2 equations: 3x - 2y = 12 (1) and x - y = 3 (2)
Process of elimination:

Multiply equation 2 by 3 to get the same coefficent in front of x: 3x - 3y = 9 (3)

Subtract eq 3 from eq 1 to get: y = 3
HM
Answered by Hamza M. • Maths tutor
8202 Views
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Top answers

Solve the equation ((2x+3)/(x-4))-((2x-8)/(2x+1)) = 1 to 2 decimal places.

Paul organised an event for a charity. Each ticket for the event cost £19.95 Paul sold 395 tickets. Paul paid costs of £6000 He gave all money left to the charity. (a) Work out an estimate for the amount of money Paul gave to the charity.

Amy earns £6 for every hour she works Monday to Friday. She earns £8 for every hour she works on Saturday. One week Amy worked for 5 hours on Saturday - she earned £130 that week. How many hours did she work from Monday to Friday?

A cylinder has a circular face with a diameter of 10cm, and a body of length 30cm. Calculate the volume of the cylinder.

Calculate the value of both x and y using the following 2 equations: 3x - 2y = 12 (1) and x - y = 3 (2)

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