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ABCD is a rhombus on a graph. B(7,10). AC: y=7-4x. Find an equation for DB in the form tx+py+r=0 where t,p&r are integers.

AC and DB must be perpendicular therefore m₁m₂ = -1. (we can work out the gradient of DB)-4m₂ = -1 -----> m₂ = 1/4The equation of a line is y-y_...

Answered by Alexander L. • Maths tutor

2661 Views

Explain the differences between a feminist and functionalist view of the family?

The functionalists believe that the family is one of the most important aspects of a society. They see the "nuclear family" as the ideal type - a father who works (the breadwinner) and a mother ...

Answered by Aoife D. • Sociology tutor

14550 Views

What are 'Rate equations' and why are they useful?

The rate equation of a reaction is useful to describe the relationship between the rate of a reaction and the concentration of its reactants. It is used to determine how a change in the concentration of a...

Answered by Joshua M. • Chemistry tutor

3020 Views

How to form the subjunctive in Spanish.

The subjunctive is a 'mood' which expresses desire, emotion, doubts, the abstract and unknowns. Sentences which require the subjunctive usually have three main features: there is more than one subject (

Answered by Eileen M. • Spanish tutor

1775 Views

Using case studies to support your answer, explain how similar hazards have different impacts.

First of all, it is important to acknowledge that there are two different types of hazard. The first, geophysical hazards, includes earthquakes and volcanoes. The second are hydro-meteorological hazards, ...

Answered by Rachael W. • Geography tutor

2055 Views