Answer:
The only thing that is changing in the equations is the placement of the decimal.
Step-by-step explanation:
Answer:
95,040 different cast are possible
Step-by-step explanation:
In this case the order in which the actors are selected for the 5 different roles is important. Therefore we use the permutations formula.

Where n is the number of items you can choose and choose r from them.
In this case
and 



Answer:
Step-by-step explanation:
In this system we have the force of the spring and the gravitational force. The equation that describes that is

where y0 is the equilibrium position when the string is free and y0+y is the new equilibrium position when the object is hanged of the string. By replacing by derivatives we have

the solution for this differential equation is (by using the characterisic polynomial)

hope this helps!!
Answer:
the answer is A
Step-by-step explanation:
because two negatives turn to a positive
Answer:
3452.2
Step-by-step explanation:
3452.2