Answer:
A=(0,4) B=(-5,1)
Explanation:
here,
letA=(0,4) B=(-5,1)
A=(x2 , y1) =(4,-5)
B=(y2, x1)=(1,0)
by formula,
AB=(x2-y1)square+(y2-x1) square
=( 4+(-5)) square+(1+0) square
=1square+1square
=1×1+1×1
=1+1
=2units
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The researchers kept their identities secret because, if they had revealed that their purpouse was to conduct an experiment on the behaviours of the people in the bar, it might have triggered that some people changed their usual attitudes because they know that their 'figures' will be kept in a record.
Maybe some people will drink less as they feel embarrased if some other person is testing how many beers they end. Others, might want to prove themselves 'strong' and drink much more than usual. People change their behaviour sometimes when they are aware that they are watched. This is called the observer effect.
True. According to the false consensus affect, the silence of others is many times interpreted as agreement.
J: Cesar Chavez
b: Martin Luther King Jr.
i: Malcolm X
f: NOW
g: Betty Friedan
