(3x) + (x+60) = 180
4x + 60 = 180
Subtract 60 from both sides
4x = 120
Divide 4 from both sides
x = 30
Where S is sales price,
S = .75d
You said which expression CANNOT be used, but I assume you mean can. Let me know if you didn’t.
9514 1404 393
Answer:
a. y = -5x
Step-by-step explanation:
The different signs of x and y tell you the constant of proportionality will be negative (eliminating choices <em>b</em> and <em>d</em>).
A quick trial of the given values shows that choice <em>c</em> is incorrect, and that choice <em>a</em> is correct.
Answer:
3, 15/7, 9/7, 3/7, -3/7, -9/7
Answer:
It is called the median.
Step-by-step explanation:
It goes through the middle.