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Simplify 7h + 5k + h - 7k

Figure out which of the variables are like terms, i.e which variables are the same and can be combined together? 7h + 5k + h - 7k Here we've added h to 7h:...

NH
Answered by Naomi H. Maths tutor
4386 Views

Describe how the fluidity of the membrane and how this allows transport across it.

The fluidity of membranes allows it to invaginate and form vesicles. This is important for the process of endocytosis by which the cell is able to uptake materials from the extracellular environment. Vesi...

NH
Answered by Naomi H. Biology tutor
2253 Views

A neuron transmits an electrical impulse across a synapse in order to pass this impulse to the next neuron. Outline this process.

This is an example of a common process that must be known: Impulse reaches the synaptic bulb, causing calcium channels to open and calcium to enter. This causes synaptic vesicles to move towards the pre-s...

MM
Answered by Matthew M. Biology tutor
2719 Views

Differentiate x^(1/2)ln(3x) with respect to x.

First we notice that this is a product of two functions of x, so we are going to use the product rule. Recall (uv)'(x)=u'(x)v(x)+v'(x)u(x). Let u(x)=x^(1/2) and v(x)=ln(3x). We need to find u'(x) and v'(x...

AR
Answered by Aidan R. Maths tutor
10250 Views

Can you please help with Question 5 on the 2008 MAT?

Certainly. The nth student (Sn) changes the state of every nth locker - i.e. the multiples of n. If changed an odd number of times, the locker is open -- if even then closed.
i. how many closed afte...

CA
Answered by Carlo A. MAT tutor
1876 Views

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