Top answers


What is an absolute ablative, How is it constructed and can it be translated?

The absolute ablative is a widely-used construction in Latin, which acts a subordinate clause, especially a temporal, causal or concessive one. It can be easily recognised in the text because it is composed ...
MB
Answered by Martina B. • Latin tutor
4616 Views

How do you complete the square to answer quadratic equations?

x 2 +6x-2 = 0 We use completing the square when the equation cannot be factorised. Begin by placing x 2 in the brackets and halving the number in front of the x (also known as the coefficient of x) to form (...
MM
Answered by Mikhailia M. • Maths tutor
5008 Views

y is inversely proportion to the square of x. y=10 when x=5. Express y in terms of x.

y is proportion to 1/x 2 . This can be written as y=k/x 2 where k is a constant of proportionality. Given that y=10 when x=5 , k can be found as yx 2 which is equal to 25. Therefore; y=25/x 2 .
EH
Answered by Evan H. • Maths tutor
37887 Views

A heater uses energy from a laptop computer to keep a mug of coffee hot. Energy is transferred to the coffee at the bottom of the mug. Explain how a convection current is set up in the coffee.

The molecules at the bottom of the mug gain energy and spread out as a result. This means that these molecules are less dense than the ones above them so they rise upwards. As they do so, they lose energy to...
EH
Answered by Evan H. • Physics tutor
5137 Views

How would one multiply out brackets?

If asked to multiply out a set of brackets, one must remember to multiply each term in a set of brackets by every term in the other set of brackets. For example, (x+2)(x-4) = x 2 +2x-4x-8 = x 2 -2x+8. An inc...
AR
Answered by Alden R. • Maths tutor
5319 Views