Black Wall Street, former byname of the Greenwood neighbourhood in Tulsa, Oklahoma, where in the early 20th century African Americans had created a self-sufficient prosperous business district. ... Black businesses clustered on the strip of land that would become Greenwood in 1905, when African Americans acquired the land.
The coefficient of the second term is 18.
What you do is you FOIL the terms:
Just replace a with 4 and b with 2 and your equation looks like
3.14 (4×2+4×2)
solve within the parenthesis first
3.14 (8+8)
3.14 (16) =50.24
Answer:
The means for times for the first round of the 100 meter men’s swim is 52.64789 seconds
The satandar deviation for times for the first round of the 100 meter men’s swim is 7.60182 seconds
Step-by-step explanation:
The sample mean for a set of n data is given by:

In other words, the sample mean of the times for 71 times of the first round measured in seconds is:
seconds
The sample standard deviation for a set of n data is given by:

In other words, the sample standard deviation of the times for 71 times of the first round measured in seconds is:
seconds
Answer:
380
Step-by-step explanation:
Find 1% of e:
180 / 45 = 4
Find 95% of e:
4 * 95 = 380