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Solve algebraically the simultaneous equations x2 +y2 =25 and y – 3x = 13

Firstly, let's begin by rearranging the second equation so that we can get y on its own. Therefore we will get, y = 3x +13. Through substitution, we can do this:x 2 + (3x +13) 2 = 25 . (As y is equal to 3x +...
TM
Answered by Tasmin M. • Maths tutor
7393 Views

A patient refuses treatment for a life threatening condition, discuss the medical issues involved.

Guide: Consider the duty of the doctor - the doctor has to fully inform the patient of the benefits and risks of the treatment Autonomy - the doctor should respect the decision of the patient, however, if th...
IO
1986 Views

Find the x coordinate of the stationary points of the curve with equation y = 2x^3 - 0.5x^2 - 2x + 4

Firstly, to find the stationary points of a curve you must differentiate the equation of the curve. To do this each x component is multiplied by its current power and then the power is decreased by one. Any ...
BS
Answered by Bartosz S. • Maths tutor
6382 Views

What's the difference between ser and estar?

Both ser and estar mean ‘to be’ but each has different uses. This can be confusing for native English speakers because in English there is only one word. Ser is used when we want to describe characteristics ...
TB
Answered by Tasia B. • Spanish tutor
2263 Views

Explain the importance of Outsourcing to an an international firm.

Outsourcing refers to the third party production process undertaken by large, international firms. Rather than producing a product internally, firms will look to external manufacturers. An advantage of Outso...
RL
2286 Views