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(2x + 3)/(x+4) - (3x - 6) = 4 Initial equationTimes all terms by (x + 4) (2x + 3) - (3x - 6)(x + 4) = 4 (x + 4)Multiply out the brackets (2x + 3) - (3x2 + 12x - 6x - 24) = 4x + 16Remove from br...
It is very easy to calculate the area of the whole circle and divide it by 4.The area of the whole circle can be calculated using the formula A = pir2, where r is the radius of the circle a...
First we need to calculate the total mass of a CO2 molecule. This is done by summing up the individual masses of all the atoms. To find these, we look at the periodic table and see that the mas...
Ionic compounds are formed when electrostatic attractions form between oppositely charged ions. These attractions are strong and so require a large amount of energy to break. This energy is provided in th...
This process is called Ventilation and is a required step in aerobic respiration.This process starts with the diaphragm contracting, one also sees the (external) intercostal muscles contract. These contra...
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