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When do you use the subjunctive tense?

I use the acronym 'WEIRDO' to remember the main instances when you use the subjunctive. The letters stand for:Wishes e.g 'Quiero que ...'Emotions e.g 'Me alegro de que ...'Impersonal expressions e.g 'Es impr...
EM
Answered by Elizabeth M. • Spanish tutor
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Cylinder A has the volume 8π cm^3 and the height 2 cm. Cylinder B is a similar shape with a volume of 216 cm^3. i) find the linear scale factor. ii) find the surface area of cylinder B

i) Linear scale factor cubed = volume scale factor = V B /V A = 216π/8π = 27 LSF 3 =27 LSF = 3 ii) SA B = 2πr B 2 + 2πr B H B Find H and r for B H B = LSF*H A = 6 cm V B = πr B 2 H B = 216π = πr B 2 6 => ...
JK
Answered by Jacob K. • Maths tutor
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Explain why having more red blood cells per cm3 of blood is an advantage to an athlete. (3 Marks)

Red Blood Cells (RBC’s) contain haemoglobin. Therefore, more RBC’s results in more haemoglobin present.Haemoglobin carries oxygen, therefore, more oxygen can be transported to cells such as muscle cells.More...
BG
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Explain the physical properties of graphite in terms of its structure and bonding

Graphite is a giant covalent molecule . This means it has many atoms joined together by covalent bonds. Graphite consists of layers of carbon atoms joined together by covalent bonds with delocalised electron...
ED
Answered by Eliza D. • Chemistry tutor
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Edexcel November 2016 1H Maths. Q27

The sphere has radius 6 cm. The solid cylinder has a base radius of 3cm and a height of h cm. The total surface area of the cylinder is twice the total surface area of the sphere. Work out the ratio of the v...
JV
Answered by Josh V. • Maths tutor
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