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The circle (x-3)^2 +(x-2)^2 = 20 has centre C. Write down the radius of the circle and the coordinates of C.

Radius = square root of 20
Centre = (3,2)

Answered by Jessica N. • Maths tutor

4992 Views

What is the exact answer to (1^3 + 2^3 + 3^3)^(0.5) ?

+6 or -6

Answered by Jessica N. • Maths tutor

4105 Views

Liquid ammonia (NH3) and water (H2O) both show hydrogen bonding, describe what a hydrogen bond is and what it is conferred by

A hydrogen bond forms between the positive dipole of one molecule and the negative dipole of another molecule. They can be represented on a diagram with a dashed line perpendicular (at 90˚) to the bond an...

Answered by Ben H. • Chemistry tutor

25348 Views

What is the difference between Tumour supressor genes and Oncogenes?

Tumour supressor genes (TSG) and oncogenes and the two main types of genes involved in cancer, however they are very different. TSG normally function to slow down cell division, repair DNA mistakes and ca...

Answered by Ella W. • Biology tutor

3917 Views

How to use 'depuis' in French.

'Depuis' is used in French to express a duration, in a similar way to 'since' and 'for' in English.
The first and most typical use of 'depuis' is to express an action which began in the past, which ...

Answered by Jacob B. • French tutor

3810 Views