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What affect does increasing demand have on price levels and consumer surplus?

By increasing demand levels, which often happens through a growing market and more buyer interest, you would experience a shift in the demand curve the right. This shift, whether in micro or macro economi...

Answered by Daisy E. • Economics tutor

2212 Views

How do I form the passé composé?

In French, the perfect tense (or passé composé) is formed using the present tense of the verb avoir (for all verbs except for a few exceptions which use the present tense of the verb

Answered by Briony R. • French tutor

3066 Views

Solve the simultaneous equations: x^2 + y^2 = 25 and y − 2x = 5

x²+y²=25, y-2x= 5 y = 5+2x -----> y² = (5+2x)² = 25 + 20x +4x² x² + 4x² + 20x + 25 = 25 5x² + 20 x = 0 x = 0 y =...

Answered by Alex G. • Maths tutor

26408 Views

a) Factorise the following expression (x^2)-49 b) Differentiate the following equation y = (x^2) - 49 and find the stationary points of the equation

a) (x+7)(x-7) b) y = (x^2) - 49 y' = 2x 0 = 2x x = 0 y = (0^2) - 49 y = -49, x = 0

Answered by Thomas G. • Maths tutor

3459 Views

Show that (sqrt(3) + sqrt(75))^{2} = 108

The key here is to simplify the left hand side. There are two different approaches to take here, one slightly faster but both perfectly legitimate. First approach: Remember the formula (a + b)^{2} = a^{2}...

Answered by Callum B. • Maths tutor

6281 Views