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When should I use the subjunctive?

The subjunctive isn't a tense (like the present, past or conditional), it's a mood used to express thoughts, possibility or necessity. The subjunctive is triggered by certain verb structures that you will ne...
IT
Answered by ISABELLE T. • French tutor
2189 Views

Explain how pressure differences in the heart ensure sufficient pumping of blood into the arteries. (3)

increased pressure in the ventricles the pressure in the ventricles is higher than the pressure in the atria causing the atrioventricular valves to closecausing the semilunar valves to open and the blood flo...
KW
Answered by Kelly W. • Biology tutor
4410 Views

Tu portes un uniforme scolaire? Que penses-tu de ça? Tu es pour ou contre l'uniforme?

Oui, je porte un uniforme scolaire. On a deux types: un uniforme pour les jours où on a sport, et un uniforme pour les autres jours. J'aimerai porter mes propres habits, de pouvoir choisir ce que je vais met...
YS
Answered by Yasmine S. • French tutor
4707 Views

Given f(x)=2x^3 - 2x^2 + 8x, find f'(x) and f"(x).

The first step in scoring full marks on this typically 4 mark question is to recognise what it's asking you to do. We use the process of differentiation to solve it. f(x)=2x^3 - 2x^2 + 8xf'(x) = 6x^2 - 4x + ...
Answered by • Maths tutor
4237 Views

Integrate (x-5)/(x+1)(x-2) using partial fractions

We need to split the initial fraction into two. We know that (x-5)/(x+1)(x-2) is equivalent to A/(x+1) + B/(x-2). Multiplying by (x+1)(x-2) we get x-5 = A(x-2) + B(x+1). Expanding the brackets gives x - 5 = ...
JA
Answered by Joshua A. • Maths tutor
7711 Views