Search our library of homework questions

Top answers

All subjects

All levels

Some phenotypes, such as colour-blindness, are caused by sex-linked genes. Explain why colour-blindness is more common in men than in women

Sex-linked genes are located on the sex-chromosomes, X and Y. Females have two X-chromosomes, XX, and males have one X and one Y-chromosome, XY. The X-chromosome is much larger than the Y-chromosome and s...

Answered by Zoe N. • Biology tutor

9821 Views

Factorise 2x^2+x-3

(2x+3)(x-1)

Answered by Nisnavai M. • Maths tutor

3022 Views

“Overall GDP is the best way to measure social and economic well-being.” To what extent do you agree? (20)

Gross domestic product is the total value of all finished goods and services produced by a country in a single year and is expressed in amount per head. As an aggregate measure of the total economic produ...

Answered by Phoebe C. • Geography tutor

4165 Views

Write down the equations of the three asymptotes and the coordinates of the points where the curve y = (3x+2)(x-3)/(x-2)(x+1) crosses the axes.

Step 1: find the asymptotesThere are two kinds of asymptotes we look for: vertical and horizontal.The vertical ones happen when y goes to negative...

Answered by Meg T. • Further Mathematics tutor

3354 Views

How can I find the stationary point of y = e^2x cos x?

At a stationary point of y, dy/dx = 0.Step 1: Let's find dy/dx first by differentiating. To differentiate the product of two functions, we can use the product rule...

Answered by Meg T. • Maths tutor

12455 Views