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Expand and simplify 2y+3y(5y+3)

Following the laws of BIDMAS, the bracket needs to be multiplied first (instead of adding 2y and 3y first): 2y + 15y 2 + 9y Simplify by addition of the y's: 15y 2 + 11y Optional: simplify further by grouping...
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Answered by Lucy J. • Maths tutor
5151 Views

A train accelerates from 10 m/s to 50 m/s in 20 seconds. Calculate the Acceleration

The acceleration, in ms - 2 , is defined as the rate of change of velocity, per unit of time. To calculate the trains acceleration, we use the equation Acceleration= Change in velocity/ Time Taken. For this ...
MP
Answered by Monique P. • Physics tutor
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how can an ablative absolute be recognised?

an ablative asolute is a neat little participle, which can be used to describe something which has happened in the past but is connected to what is happening in the main clause of the sentence, for example: ...
RU
Answered by Rebecca U. • Latin tutor
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Solve 2x + 4 > 16

This is a simple GCSE inequality question. The aim is to solve the equation for x - get x on its own on the left side of the equation. Step 1. We think of equations as balanced weighing scales, so whatever w...
MP
Answered by Monique P. • Maths tutor
8144 Views

Find the coordinates of the two points where the lines y=x²+4x+6 and y=x+4 meet.

To solve these equations we must make them equal to eachother. This gives us x 2 +4x+6=x+4 , we must then subtract the ' x+4 ' from both sides to give us an equation that equals 0. This gives us the followin...
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Answered by Gaby H. • Maths tutor
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