Answer:
x = - 3
Step-by-step explanation:
Given
12x + 7x = 5x - 42, that is
19x = 5x - 42 ( subtract 5x from both sides )
14x = - 42 ( divide both sides by 14 )
x = - 3
Answer:
30+10y < 120
Step-by-step explanation:
Answer:
2x + 5y + 15
Step-by-step explanation:
Step 1: Combine like terms
2x + 2y + 3(y + 5)
Step 2: Distribute
2x + 2y + 3y + 15
Step 3: Combine like terms
2x + 5y + 15
Answer: By lurking variable she means a variable that is not among the variables studied but which affects the response variable.
Step-by-step explanation:
The existence of a negative correlation between variables in a research work suggests that a lurking variable is present in the data, which happens to be the case with the work of this researcher.
