Put the values of x = 4 and y = -2 to the expression 5y² + 3xy - 2x.
Use PEMDAS:
P Parentheses first
E Exponents (ie Powers and Square Roots, etc.)
MD Multiplication and Division (left-to-right)
AS Addition and Subtraction (left-to-right).
Answer:
10 hours
Step-by-step explanation:
Let represent the distance the train heading north has traveled
Let represent the distance the train heading south has traveled
Let represent the number of hours that has passed
5.3K+2-2=18.43-2
5.3K=16.43
5.3K/5.3=16.43/5.3
K=3.1
Answer
10-x4
--------
2x
Step-by-step explanation:
Y=7 because there is no slope and the Y intercept is at 7.