Answer:
y=6
x=6.42
Step-by-step explanation:
7(-9)+9y=-9
-63+9y=-9
+63 +63
9y/9=54/9
y=6
7x-9(6)=-9
7x-54=-9
+54 +54
7x/7=45/7
x=6.42
Answer:
2+2
Step-by-step explanation:
There ya go
Answer:
each eraser cost $4
Step-by-step explanation:
The answer is C. Because of the context of the problem, it can only have one solution.
Answer:
Mn
Step-by-step explanation:
If we look at the options given, we will easily realize that Mn is an element and not a molecule.
Hence the others are molecules but Mn is just an element and not a molecule because a molecule must contain a chemical bond- a linkage between two or more atoms given that a molecule is the smallest unit of a compound.
