Answer:
1) 78.54
2) 490.87
3) diameter: 15.9999 so 16.00? circumference: 50.27
Step-by-step explanation:
Answer:
No
Step-by-step explanation:
For x and y to have a proportional relationship, then
the ratio of k =
must be equal for all points
(2, 5) → k =
= 2.5
(3, 7.5) → k =
= 2.5
(5, 12.5) → k =
= 2.5
(18, 8) → k =
= 2.25 ≠ 2.5
k is not equal for all values , hence no proportional relationship exists
Answer:
D) 
Step-by-step explanation:
If two functions
and
are inverse of each other, then the following conditions must be true:
i. 
ii. 
Therefore, out of the four choices available, only option D matches the condition for inverse function to exist.
Therefore, 
X=21 and the mesure of one would be 120 to check if its correct multiply 5 by 21 then add it to 15 and that would be the answer for what 1 is you can also check of its 21 by multiplying 3 by 21 and subtracting 3 then adding both to get 180 which is the normal measurements of the line. hope this helps somehow