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Company A has demand function q=2p+5, and supply function q=10p. What is equilibrium price and quantity

P=5/8Q=25/4

Answered by Tom E. • Economics tutor

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A curve has equation 2(x^2)+3x+10. What is the gradient of the curve at x=3

Answered by Tom E. • Maths tutor

3532 Views

In an economy consumption=50, investment=60, government spending=160, imports=60 and exports=40. What is the aggregate demand of the economy

₂₅₀

Answered by Tom E. • Economics tutor

1677 Views

A curve has equations: x=2sin(t) and y=1-cos(2t). Find dy/dx at the point where t=pi/6

Since this question concerns parametric's, one may move to eliminate t from the equation to calculate dy/dx directly. However, in this case it is much easier to use the chain rule and realise that dy/dx=d...

Answered by Cameron H. • Maths tutor

5365 Views

Polyester is a common polymer used in clothing. State the name of the chemical reaction used to form polyester by reaction of ethanedioic acid and ethane-1,2-diol. Give the name of the molecule which is lost upon condensation of these two molecules.

Name of reaction is condensation polymerisation.Water is lost upon condensation of ethanedioic acid and ethane-1,2-diol (will draw this out on the whiteboard).

Answered by Melissa W. • Chemistry tutor

3526 Views