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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
12051 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
9870 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
5248 Views

How to solve the following for x: (2x+3)/(x-4) - (2x-8)(2x+1) = 1

(The full answer produced answer is annotated working out, but since this text box won't let me submit pictures, I'll do my best to transcribe)First, we gather the two fractions by using a common denominator...
CF
Answered by Cal F. • Maths tutor
3779 Views

Joan cycles from her house to a shop 900 m away. She then cycles to her friends' house 700 m away. The average speed for the first part of her journey is 2 m/s. The second part takes her 16 mins. What is the average speed for her entire journey?

S: 900 700D: 2 m/sT: 960s Need to find speed in seconds so convert 16 mins to seconds. To find average, we must find time for the first part. Using the basic D/S, the time is 900/2 = 450 s.Speed for the seco...
AR
Answered by Aisha R. • Maths tutor
3245 Views