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How do I expand (x-2)(3x+3) into a quadratic?

The expansion of two brackets containing two terms each is a little more complicated than expanding say, x(3x+3). There is a process to follow for these questions. First, just look at the x term in the fi...

WP
Answered by William P. Maths tutor
4354 Views

Why does atmospheric pressure drop when altitude increases?

(Question can be sketched with a graph) Firstly, in order to have atmospheric pressure, air molecules must collide with a surface, in this case the face of the Earth. As you gain altitude (height from fac...

HS
Answered by Henry S. Physics tutor
3540 Views

Translate the following passage into Spanish: When I was young, I used to visit my granddad every Friday. One day, I visited him with my mum. We drank coffee and watched the football. There isn't much to do in my granddad's house.

Cuando era pequeñ@, yo visitaba a mi abuelo cada viernes. Un día, lo visité con mi madre. Bebimos cafe y vimos el fútbol. No hay mucho que hacer en la casa de mi abuelo.

AG
Answered by Anna G. Spanish tutor
2756 Views

Explain what is meant by a Liberal Democracy

Free and fair elections- Rousseau, social contractchecks and balances/ separation of powers- jeffersonpotential to talk about constitutionalism - could use Madison as a thinker/-Beetham- argued that for a...

FL
Answered by Freya L. Politics tutor
2246 Views

Describe one chemical test and one physical test for pure water.

A physical test for pure water is testing the boiling or freezing point. Pure water will boil at 100 degrees Celsius and freeze at 0 degrees Celsius. One chemical test is to use cobalt chloride paper - th...

SN
Answered by Sumrah N. Chemistry tutor
42407 Views

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