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Work out an estimate for the value of (8.1 x 198)/0.0491

So, the question has asked to "estimate" not calculate an exact answer. Therefore, the first step is to round the values into ones that are easier to work with: 8.1 -> 8 ; 198 -> 200 ; 0.0...

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Answered by Naomi H. Maths tutor
7349 Views

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
5331 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...

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Answered by Naomi H. Biology tutor
2683 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
3167 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...

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Answered by Aidan R. Maths tutor
11343 Views

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