Answer:

mass = 3.645 g
volume = 9×9×9
= 729 cm³
density = 3.645/729
= 0.005 gcm^-3
Step-by-step explanation:
the volume is 729 cm³ cause the given height is 9cm and it is a cube. cube has equal sides so their lengths are the same.
volume = length × height × width
Answer:
C is the correct option.
Step-by-step explanation:
We have been given that
stock XYZ opened at $6.12 and it closed at $6.88 and we have find the rate of change of stock.
Change in the value =| Initial - final |
Change in the value = |6.12-6.88|
Change in the value = 0.76
Hence, the rate of change of stock is given by

C is the correct option.
Answer:
I dont know
Step-by-step explanation:
how to answer that
Answer:
or (1,1)
Step-by-step explanation:
You can apply the Method of substitution.
Knowing that
(second equation), you can substitute it into the first equation and solve for the variable y:

Now you need to substitute
into the second equation
to calculate the value of the variable x. Then:

Then, the solution is:
or (1,1)