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Sarah asked 20 people at a tennis tournament how they travelled there. She found that 13 of them travelled by car. Estimate how many of the total 2000 people at the tournament travelled by car.

First calculate the fraction of the sample that travelled by car to be 13/20.Next multiply the total population size by this proportion to find the estimate of the total number of people who travelled by ...

Answered by Scarlett O. • Maths tutor

2413 Views

What do the two Genesis stories tell us about creation and about how we should read the Bible?

The bible opens with two different but similar creation narratives, namely Genesis 1 and Genesis 2. Each are similar in their style, as both describe the creation of the world as we know it as well as hum...

Answered by Allison D. • Religious Studies tutor

2865 Views

find the sum of r from 0 to n of : 1/((r+1)(r+2)(r+3))

The solution like almost every Methods of Differences questions first involves putting the fraction into partial sums.At this point you would get 3 fractions which can be tricky to deal with. Following wh...

Answered by • Further Mathematics tutor

5041 Views

expand and simplify (x+6)(x-8)

The method used to solve this problem can be referred to as the FOIL Method, this is an acronym that stands for First, Outer, Inner,

Answered by Poppy D. • Maths tutor

8943 Views

Make r the subject of the formula: 1/r -1/p = 1/t

Take the 1/p to the other side of the equation1/r = 1/t + 1/p2) Add the fractions together by making the denominators the same1/r = (p+t)/pt3) Cross multiple by multiplying each side of the equation...

Answered by Antonia A. • Maths tutor

5321 Views