Answer:
(m - 3n)(m + 3n).
Step-by-step explanation:
This is the difference of 2 squares, so we use the identity:
a^2 - b^2 = (a - b)(a + b).
So m^2 - 9n^2
(m - 3n)(m + 3n).
No because 5(x-10) is not in simplist form while 5x-1 is
hope it helps
Answer:
- 144
Step-by-step explanation:
The density of the marble will be "0.18 kg/m³".
According to the question,
Volume of marbles,
By converting it into m, we get
Mass,
By converting it into kg, we get
As we know, the formula:
→
By substituting the values, we get
→
→
Thus the answer above is correct.
Learn more about density here:
brainly.com/question/15553857