Sara worked 1 day last week
Joan worked for 20 hours last week
And Erin worked for 10 hours last week
Answer:
22
Step-by-step explanation:
Use this version of the Law of Cosines to find side b:
b^2 = a^2 + c^2 − 2ac cos(B)
We want side b.
b^2 = (41)^2 + (20)^2 - 2(41)(20)cos(36°)
After finding b, you can use the Law of Sines to find angles A and C or use other forms of the Law of Cosines to find angles A and C.
Try it....
Answer:
C : does not have statistical significance
Step-by-step explanation:
Because there is a 15% chance of getting that many girls by chance, the method - does not have statistical significance.
By this method, the percentage of girls = 
or 51.15%
This type of method does not have practical significance.
Answer: 290951.87
Step-by-step explanation:
Hope this helps :D
