The radius of the cylinder is = 9
The ends of the rollers are surrounded by metal strip. The metal strip goes round the circle. That is the circumference of the circle.
C = 2πr = 2π*9 = 18π cm.
Length of metal sheet on one of the circle = 18π cm.
For the 3 rollers = 18π *3 = 54π cm. Using π ≈ 3.14
Length = 54π ≈ 54*3.14 ≈ 169.56 cm
Therefore length for the 3 metal strips = 54π ≈ 169.56 cm
Answer:
Answer a
Step-by-step explanation:
Since there is a radical in the first fraction, we need to multiply it by the same radical in the denominator of another fraction to get rid of the root.
0.06..........................
Answer:
D.) 4m, 11m, 9m
Step-by-step explanation:
According to the Triangle Inequality Theorem, the sum of any two sides of a triangle must be larger than the third side in order to form a triangle. Using the two shortest sides, you can find the sum and check to make sure it is larger than the third:
3m + 3m = 6m NOT greater than 6m
4m + 7m = 11m NOT greater than 12m
5m + 3m = 8m NOT greater than 9m
4m + 9m = 12m YES greater than 11m
14÷2.99=4.682274
hope this helps!