Just divide 35 ounces by the number of ounces in a pound, 16. The answer is 2.1875 pounds.
The only solution is (4, -1/2).
The first one is wrong, because of you substitute X and Y or in this case (12, -5/2) into 3x+2y, you get 31=11, Which is an untrue mathmatical statement.
The second one is right, for the same reason. If you substitute X and Y you will get 11=11. which is a true statement.
The third one is wrong, because you have found a true statement.
The fourth one is wrong because you found an untrue statement.
Answer:
Estimate of population 0.61
(b) Margin of error = 0.07 The real population interval estimation is ± 7%.
c). Margin of error = 0.15
d) The real population's interval estimation is ± 15%
e). Yes, the action argument of the group is based on a half-range estimation of the true population. The reason that 62% ± 15% = 47%, or 77%, while 47% is similar to 45%, as the Collective action group states.
Answer:
-72
Step-by-step explanation:
If they descend, this can be represented by a negative number.
Since they descended 72 feet, the worker's change in position can be represented by -72.
So, the answer is -72