The sum of the first n natural number = n * (n+1) / 2, for n a natural number.
For example, you want to calculate the sum and average of any five numbers entered by the user. i.e., If you want to calculate the sum and average or percentage of multiple user-entered numbers, then please refer to the following program.
The answer is A, B, and D
Answer:
(a)
Conservative
(b)
Not conservative
(c)
Conservative.
Step-by-step explanation:
(a)
Notice that
and
Therefore the field is conservative.
(b)
Notice that
and
but
Therefore is not conservative.
(c)
Notice that
To prove that the vector field is conservative you have to compute the curl of the vector field and you would get that.
Therefore your vector field is conservative.
Answer:
Step-by-step explanation:
For every 4 pounds of sugar you get 20 cups of coffee. 4:20
For every packet of seeds you get 10 plants 1:10