Answer:
c. 0.9 cm, 1.2 cm, 1.8 cm
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No a repeating decimals have number repeating such as 555555.
Answer: A 24 cm piece of string is cut into two pieces , one piece is used to form a circle and the other piece is used to form a square.
How should this string be cut so that the sum of the areas is a minimum .
:
Let x = the circumference of the circle
then
(24-x) = the perimeter of the square
:
Find the area of the circle
find r
2*pi*r = x
r =
Find the area of the circle
A =
A =
A = sq/cm, the area of the circle
:
Find the area of the square
A = sq/cm the area of the square
The total area
At = +
Graph this equation, find the min
Min occurs when x=10.6 cm
cut string 10.6 cm from one end
Step-by-step explanation: Hope I help out alot (-: :-)
(-6x-6)+(8x-6)
-6x-6+8x-6
2x-12
Hope this helps :)
Now it would be
-2.3+(-5.9)
now just add those two together
and u get -8.2
So the answer is A