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Solve 5x^2 = 10x + 4 , to 2 decimal places.

First rearrange to get 5x 2 - 10x - 4 = 0 , by subtracting 10x and 4 from both sides of the equation. Here, we can use the quadratic formula which is x = -b+- sqrt(b 2 -4ac) / 2a. In our question a=5 , b=-10...
AP
Answered by Alexander P. • Maths tutor
15733 Views

What can I expect in a panel interview for medical school compared to MMI and what can I do to help prepare?

Expectation: Prior to your interview it is important to understand the difference between an MMI interview and a panel interview and to know which format will be used by the universities you apply for. Typic...
RJ
2188 Views

Water flows through an electric shower at a rate of 6kg per minute. Assuming no heat is transferred to the surroundings, what power is required to heat the water by 20K as it flow through the shower?

To find the necessary power, we need to know how much water is flowing every second, and how much energy we need to heat that amount of water. Amount of water = 6kg per minute = 6/60 kg per second = 0.01 kg ...
TB
Answered by Theo B. • Physics tutor
2526 Views

find the gradient of the tangent to the curve y=x^2 at the point (4,16)

First of all you must differentiate this function, as this will give you the gradient function necessary to find the gradient at the point (4,16). To differentiate it you use the formula dy/dx= a n x (n-1) ,...
JM
Answered by Jessica M. • Maths tutor
8806 Views

What is the best way to go about analysing a primary source?

When attempting a source question, we must take a two-fold approach. The first step is to read it once or twice in order to gauge an overall tone and argument: what, on the whole, is the source trying to say...
EF
Answered by Ewan F. • History tutor
2427 Views