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In the isosceles triangle ABC, AB=AC and angle B=(3x +32)degrees and angle C=(87-2X)degrees

First of all i would get the student to draw a diagram with the labelled sides and angles. Then i would test their knowledge of shapes and angles by asking them what the angles in a triangle add up to. Once ...
CB
Answered by Catherine B. • Maths tutor
12073 Views

In an office there are twice as many females as males. 1/4 of females wear glasses. 3/8 of males wear glasses. 84 people in the office wear glasses. What is the total number of people in the office?

Let's figure out what information we have and let's translate it into mathematical terms. Let f = number of females in the office m =number of males in the office "Twice as many females than males"...
TG
Answered by Thomas G. • Maths tutor
9913 Views

How can you work out, using the changes in oxidation numbers, which compound out of KCl, KBr and KI has the greatest reducing power?

We can work this out by observing the changes in oxidation state of sulphur in concentrated sulphuric acid (H 2 SO 4 ) when this compound reacts with KCl, KBr and KI individually. As suggested by its name, a...
SP
Answered by Sarah P. • Chemistry tutor
6913 Views

What is the function of ATP and explain how is it suitable for its function

ATP is a molecule called adenosine triphosphate, used to provide energy for various reactions within the cell and hence sometimes called 'universal currency' of the cell. ATP molecule is made of adenine, rib...
AK
Answered by Antonina K. • Biology tutor
16847 Views

Find the roots for the quadratic equation x^(2)+6x+5=0

For this question I would consider different methods for finding the roots of quadratics and remind the student that an exam could ask for a particular method to be used (as on one of the recent GCSE maths p...
HL
Answered by Harry L. • Maths tutor
5269 Views