D) There is no association between commuting preferences and gender.
Answer:
y=5/7 x=31/7
Step-by-step explanation:
Make the x values the opposite of each other:
-2(x+5y=8)
-2x-10y=-16
2x+3y=9
Combine like terms and solve for y:
-7y=-5
y=5/7
Plug y in to find x.
x+5(5/7)=8
x+25/7=8
56/7-25/7=x
x=31/7
Answer:
false
Step-by-step explanation:
Answer:
C or D In a chemical change, the atoms in the reactants rearrange themselves and bond together differently to form one or more new products with different characteristics than the reactants. When a new substance is formed, the change is called a chemical change.
Step-by-step explanation:
hope this helps have a good rest of your night :) ❤
We have the formula
From the above formula,
That is variance of Y is 49 not 7.
Hence the statement is (b) False