2x+3x=5x
the +10-10 cancel each other out so it's just 80
5x+80=180
5x=180-80
5x=100
x=20
40% of 60kg is 24 kg. Therefor the answer is 36 kg
Answer:
the first one is not a function :)
Answer:
The measure of the apothem is 1.75 cm
Step-by-step explanation:
we know that
The area of a regular polygon is equal to
where
P is the perimeter of the regular polygon
a is the apothem of the regular polygon
Find the perimeter P
The perimeter of the regular octagon is equal to the length side of the octagon multiplied by 8 (the number of sides)
so
<em>Find the apothem</em>
we have
substitute in the formula
solve for a