<span>Ruling Out Third Variables with Multiple-Regression Designs—By measuring possible third variables and using multiple regression analysis, these third variables can be eliminated as explanations for the relationship between the key variables.</span>
call x is the amount of cup of pineapple, and y is the amount of cup of cranberry.
we have:
x + y = 10
x/y = 3/2 => x = (3/2)*y
x + y = 10
=> (3/2)y + y = 10
=> 3y + 2y = 20
=> 5y = 20
=> y = 4
x + y =10
=> x = 10 -4 = 6
=> 6 cups of pineapple and 4 cups of cranberry would make 10 cups
Answer:
Step-by-step explanation:
Set a system of equations.
c- correct, i- incorrect.
<u>Add the equations together:</u>
<u>Then find the value of i:</u>