The correlation coefficient r of the data set is <em>-0.28</em>
Step-by-step explanation:
4a=2a+4
C.L.T
4a-2a=4
2a=4
=2
Answer:
-2.26 lb
Step-by-step explanation:
Let the dog's initial weight be d.
Then, one year later, the dog weighs 3.73 lb less, and thus weighed d - 3.73 lb.
During the next year, the dog gained 1.47 lb, so now weighs d - 3.73 + 1.47 lb, or
d - 2.26 lb. This indicates a total weight loss of 2.26 over these two years.
To answer this problem, you need to use SOHCAHTOA. The pole, the tent, and the ground form a right triangle. One leg is equal to 5. The top angle is 55. You need to find length of the other leg, so use tangent.
tan55=O/5
O=0.4375
Double this to find the total width of the tent. 0.4375*2=0.875
0.875 (rounds to 1) feet
Hope this helps!!