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The photoelectric effect is a phenomenom which occurs when photons strike a metal causing electrons to be released from the metal atoms. This occurs because the photons transfer their energy to the ele...

Since the diameter is 130cm, the radius is half of this, so it is 65cm

Area is Piradius². This means the area is Pi(65cm)²

This means the area...

I would recommend analyzing on three different levels

1. word

-emotive words

-double meaning? 

2. sentence

-tenses

-f...

Take for example, the equation

13a   +   6a²   =   −6

rearrange the questions into the form         ax²+bx+c=0

This is the full question:

There are n sweets in a bag. 6 sweets are orange. The rest of the sweets are yellow. Hannah takes a sweet out of the bag at random. She eats the sweet and th...