The equation would be: 
A, B & C form a triangle where BAC = 90° . AB = 7.3 mm and CA = 7.4 mm. Find the length of BC giving your answer rounded to
1 answer:
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Translate it
remember that
translates to 
so we can say it equals y
so
translates to 
we want to find the values of x that make it undefined
well, we know that
must be greater than 0
so we do
it is defined for
x-4>0
add 4
x>4
it is defined for all values such that x>4
remember that
so we can say it equals y
so
we want to find the values of x that make it undefined
well, we know that
so we do
it is defined for
x-4>0
add 4
x>4
it is defined for all values such that x>4