Answer:
x equals 11 and y is 11 root 2
Step-by-step explanation:
D is correct. f(-2) the number in the bracket is an input so..
whenever you see an X in the function replace it with -2
f(-2)=2*3^-2
3^-2 is 1/9
1/9 * 2 is simply 2/9
so D is correct
Answer:
50 out of 100 or 50%
Step-by-step explanation:
the data represents between quartile 3 and quartile 1 (known as the Inter-Quartile Range, IQR) is, theoretically, supposed to represent 50% of all data items
Call the weght of the first truck "

". We then know that the truck after that is 2 tons more, and the next and the next. i.e:



We also know that total is 32 tons.





Therefore the trukcs weigh 5,7,9 and 11 tons for a total of 32 tons.
Converting to pounds, the trucks weigh 10,000, 14,0000, 18,0000 and 22,000 pounds.
21.625 is your answer to 865/40