Solve each system of linear equations by substitution
1 answer:
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Answer:
C) x=2
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Consecutive numbers differ by one, which means that if you start with a certain integer , you obtain the next integer by adding one.
So, if you start with , the three consecutive numbers are
The sum of these three numbers is
This number is divisible by 3 because you can write it as
Note that this is true in general: the sum of three consecutive numbers is always divisible by three, because it is three times the middle number.
Answer:
60cm^2
Step-by-step explanation:
use Pythagoras' theorem to find the height (attached)
24/2 = 12
h=5cm
are of a triangle = base x height /2
24 x 5 / 2 = 120/2 = 60
