Top answers

How to form the past tense in passé composée?

Like in English, to form the past tense, we need o 1) The person (I) o 2) An auxiliary verb (have) o 3) Past participle (eaten) · Most verbs take ‘avoir’ as their auxiliary verb, so like ‘j’ ai mange’ BUT th...
HT
Answered by Holly T. • French tutor
2988 Views

Solve the simultaneous equations 3x + y = 4 x + y = 2

Rearrange the second equation (or first) in terms of y (or x) y = 2-xthen subsitute into the other equation 3x + (2-x) = 4The solve for x : 2x = 2 x = 1then subsitute that value for x into any equation and t...
EM
Answered by Eric M. • Maths tutor
4817 Views

What features differ between animal and plant cells?

Animal and plant cells share many similarities. For example, they both have: a nucleus, which houses the genetic material; a cytoplasm, where the chemical reactions of the cell occur; a cell membrane, which ...
GW
Answered by Gemma W. • Biology tutor
3423 Views

Find the roots of the formula x^2 + 4x + 3 by factorising.

x 2 + 4x + 3 is a quadratic equation. We're looking for a pair of numbers that add to make 4, and multiply together to make 3. Students should be encouraged to try options (e.g. 2 and 2). The pair we need is...
JB
Answered by Joseph B. • Maths tutor
3741 Views

Consider a competitive market, that has recently had an ad valorem sales tax imposed. Show this on a diagram. What is the impact on the market equilibrium? If the demand curve becomes more inelastic, which side of the market suffers more?

An ad valorem sales tax is a percentage tax on the market price of good, normally paid for by the seller. This tax will pull the supply curve up towards the top left corner of a supply and demand curve, with...
JB
Answered by Joseph B. • Economics tutor
3331 Views