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A fault opens in a forest and separates a population of lizards in half. In 100 years the fault closes and the lizards can interact again. Explain why the lizards are no longer able to breed.

An answer deserving full marks would be a clearly written, long-form paragraph containing 4-5 of these points:
The lizard populations cannot interact or share genes after the faultTh...

Answered by Zach L. • Biology tutor

2244 Views

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....

Answered by Patricio S. • Maths tutor

5083 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 a...

Answered by Katy-Jayne C. • Politics tutor

2308 Views

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

By product rule,
dy/dx = x³(2/2x) + 3x²ln(2x)
= x²(1 + 3ln(2x))

Answered by Thomas M. • Maths tutor

6611 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 ...

Answered by Gideon E. • Maths tutor

3990 Views