Top answers

All subjects
All levels

Problem of Optimisation: A company is designing a logo. The logo is a circle of radius 4 inches with an inscribed rectangle. The rectangle must be as large as possible.

First, draw a diagram showing the rectangle, the circle and the unknowns . Then find the equations representing this problem (equation of a circle of center 0, x2 +y2=42 ...

Answered by Maths tutor
6512 Views

What is the profit maximising condition? (Hard A-Level question for full marks)

With an understanding of total revenue and total variable cost curves, the marginal revenue (revenue gained form each one-unit increase in production) and marginal cost (cost incurred from each one-unit i...

MB
Answered by Myles B. Economics tutor
1562 Views

Why do plant shoots grow towards sunlight?

Auxins are a hormone in plants that is mainly produced in the tips of shoots and roots. High concentration of auxins in the shoot causes cells to grow more, whereas a high concentration in the root causes...

FA
Answered by Fareeha A. Biology tutor
6206 Views

Why does grinding a solid reactant down into smaller lumps increase the rate of a reaction? (2/3 marks)

As grinding down the solid increases the exposure of particles on the surface, this increases the frequency of reactant particle collisions which then increases the rate of reaction.

IH
3926 Views

How do you integrate ln(x) ?

-First write the integral with ln(x) and form a product of 1 next to it-Let u=ln(x) and differentiate this-Let dv/dx= 1 and integrate this-Substitute values into integration by parts formula-Simplify and ...

Answered by Maths tutor
2801 Views

We're here to help

contact us iconContact usWhatsapp logoMessage us on Whatsapptelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

© MyTutorWeb Ltd 2013–2025

Terms & Conditions|Privacy Policy
Cookie Preferences