Answer:
Point D
Step-by-step explanation:
Hope this helps :)
Answer:
i think its -1
Step-by-step explanation:
sorry if im wrong
Answer:
Step-by-step explanation:
This question is about the benefits of estimation.
1300/13 is easy and results in 100.
1287/13 can be approximated by 1300/13: 1287/13 ≈ 100.
Actually, 1287 = 1300 - 13 = 13(99); just subtract 1 from 100.
So: 1287/13 = 1300 - 13 = 1287. A nice bit of mental math!
Answer:
Step-by-step explanation:
As we can see the given expression as three complex parts and all are being multiplied.
Lets simplify each part separately and then multiply all of them in the end
Part1
Cancelling 8 in numerator with 8 in denominator
Part2
simpliying
Part3
Third part is , and it does not need to be further simplified
Now multiplying all the three parts
So our final answer is
C=2πr and x^2+y^2=r^2
r=4 because of the equation (16)^1/2 is 4
C=8π