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Expand and simplify (x+6)(x+4)

Answer: x 2 +10x+24 Method: A handy way of knowing how to expand brackets involves the pneumonic FOIL: - F stands for First, so we multiply the first term in the first bracket by the first term in the second...
EM
Answered by Emma M. • Maths tutor
26275 Views

Describe the processes and forces that allow water movement up a plant stem.

Water moves into the plant stem from the soil, and up to the leaves via the xylem. Water is taken up by the hairs on the root of the plant down the water potential gradient via osmosis, following the active ...
HC
Answered by Hannah C. • Biology tutor
18783 Views

How do I multiply or divide fractions without a calculator?

For multiplication: Firstly, write out the sum you are trying to do, for example 3/4 X 1/8 Then, times the top numbers by each other and the bottom numbers by each other 3 x 1 = 3, 4 x 8 = 24 Then, rewrite t...
WM
Answered by William M. • Maths tutor
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What is urbanisation?

Before we look urbanisation, we have to define what we mean by urban and what we mean by rural. A rural area is an area of countryside, so for example a village or a hamlet. An urban area is a built up area,...
AP
Answered by Alice P. • Geography tutor
4961 Views

Work out the value of x and y in the parallelogram ABCD.

5x - 20 = 2x +43 -> 5x-2x= 43+20 -> 3x=63 -> x=21 therefore x=21 (2x+43) + (4y-5x)=180 -> 2x+43+4y-5x=180 (because adjacent angles in a parallelogram equals 180) 4y-3x=180-43 -> 4y= (100-43)+3...
KS
Answered by Kwarteng S. • Maths tutor
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