Answer: The density of copper should be the same in a wire as it is in a chunk,
so the answer is 8.9 g/cm3.
Answer:
0
Step-by-step explanation:
Answer:
perpendicular
Step-by-step explanation:
If 2 lines are parallel then their slopes are equal
If 2 lines are perpendicular then the product of their slopes = - 1
Here
-
×
= - 1
Then the 2 lines are perpendicular
Answer:
15
Step-by-step explanation:
The Pythagorean's Theorem states that a^2 + b^2 = c^2, so 81 + 144 = 225, and 225 square rooted is 15.