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Julia wants to buy a new computer. 20% VAT is added to the price of the computer so that she now has to pay £300. What was the original price of the computer without VAT.

First the most important aspect to recognize is that the original price of the computer is 100%, the additional 20% of VAT makes the total value of the computer change to 120%. Therefore, the 120% = £300. Th...
PS
Answered by Patricio S. • Maths tutor
5700 Views

What is democracy?

Democracy - Literally meaning in Ancient Greek 'Demos' - Peoples The simple definition: 'Peoples Power' My Explanation: In theory Democracy is desirable , the idea that no voice goes unheard and the power of...
KC
2796 Views

Differentiate with respect to x, y = (x^3)*ln(2x)

By product rule, dy/dx = x 3 (2/2x) + 3x 2 ln(2x) = x 2 (1 + 3ln(2x))
TM
Answered by Thomas M. • Maths tutor
7515 Views

John ran a race at his school. The course was measured at 450m correct to 2sf and his time was given at 62 econds to the nearest second. Calculate the difference between his maximum and minimum possible average speed. Round you answer to 3sf.

Upper bound for distance: 455mLower bound for distance: 445mUpper bound for time: 62.5sLower bound for time: 61.5sSpeed = Distance/timeMaximum possible average speed would be the longest distance divided by ...
GE
Answered by Gideon E. • Maths tutor
4426 Views

Examine the ways in which Plath presents nature in her poetry.

In Plath's poetry, nature is presented in increasingly threatening ways. In 'Wuthering Heights', nature seems to 'funnel her heat away' and the grasses invite her to 'whiten' her bones 'among them', reflecti...
JB
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