Answer:
40π feet
Step-by-step explanation:
Using the diameter of a circle you can find the circumference much easily than the radius. To find circumference with diameter you would do π×d or in this case π*40 which would give you the answer 40π.
-3x + 5y = -9
4x + 8y = 12
Simplify the second,
x + 2y = 3
Times three,
3x + 6y = 9
Add to the first equation,
11y = 0
y = 0
-3x + 5(0) = -9
x = 3
Answer: x=3, y=0
Answer:
Option c is right:
(-6 , 2)
Step-by-step explanation:
( -6 , 2)
5 * 3 does not tell you the total number of flash cards in 5 piles because you don't know how many cards are in each pile.
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