Brian invests £1800 into his bank account. He receives 5% per year simple interest.
How much will Brian have after 3 years?

Step-by-step explanation:

First , finding the amount of interest :

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Now , Finding the total amount :

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given that triangle abc is transformed two times to get triangle

a"b"c"

first abc is transformed in to a'b'c' as follows:

the coordinates of a are (1,-1) and transformed into a'(-1,1)

similarly b (4,-2) became b'(-4,2) and

c(7,-2) became c'(-7,2)

i.e. (x,y) becomes (-x,-y)

this is nothing but reflection about a point here origin.

thus first transformation is reflection on the origin.

next is exactly shifting 3 units down

source: