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gradient and differentiation

dy/dxfirst principal
YZ
Answered by Yubin Z. • Maths tutor
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Analyse Goethe's poem 'Heidenröslein'.

Das Gedicht besteht aus drei Strophen mit jeweils sieben Versen. Bei dem Metrum handelt es sich hauptsächlich um einen drei- oder vierhebigen Trochäus, jedoch ist der Rhythmus nicht ganz gleichmäßig. Die reg...
SP
Answered by Sarah P. • German tutor
4691 Views

solve the simultaneous equation: 5x+y =21 and x-3y=9

5x+y=215x-15y=45 16y = -24 y = -1.5 5x -1.5 =215x=22.5x=4.5
CM
Answered by Caitlin M. • Maths tutor
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what are stomata

little holes in the leaves of plants. this allows air to get in to the leaf so the plant can use it to make all the things it needs to live! the problem is, these little stomata can let water leave as well w...
MB
Answered by millie b. • Biology tutor
4288 Views

Describe the role of blood vessels in the control of body temperature.

Control of body temperature is called thermoregulation. One mechanism for thermoregulation is the control of blood vessels in the skin to either increase or decrease heat loss.If body temperature is too high...
EF
Answered by Eleanor F. • Biology tutor
11963 Views