1200 parts/ 400 parts = 3
12 parts x 3 = 36 parts
In 1200 parts, 36 would be bad.
The value 600 is 30 times as much as 20
<h3>Ratio and proportion</h3>
Ratio are written in terms of fractions. The expression 600 is how many times as much as 20 can be written as;
600 = x *20
where x is the required value or factor
20x = 600
Divide both sides by 20
20x/20 = 600/20
x = 30
Hence the value 600 is 30 times as much as 20
Learn more on ratio and proportion here: brainly.com/question/19994681
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The longer leg is the leg adjacent to the larger angle
so 60
length of longer leg = 4 sin60 = 2sqrt(3)
It’s the first one
x = -12 or x=2
the area of a square = length*length =3a*3a=9a^2
