ax+2y=5, 3x-6y=20 in the system of equations above, a is a constant. if the system has one solution, which of the following cannot be the value of a...?
(A) -1
(B) 4
(C) 1
(D) -3
✅ Correct Answer:-1
Comments
ax+2y=5, 3x-6y=20 in the system of equations above, a is a constant. if the system has one solution, which of the following cannot be the value of a...?
5XA local post office uses the equation above to determine the cost C, in dollars, of mailing ashipment weighing x pounds. An increase of 10 dollars in the mailing cost is equivalent to an increase in how many pounds in the weight of the shipment...?
(A) 1
(B) 2
(C) 3
(D) 4
✅ Correct Answer:2
Comments
5XA local post office uses the equation above to determine the cost C, in dollars, of mailing ashipment weighing x pounds. An increase of 10 dollars in the mailing cost is equivalent to an increase in how many pounds in the weight of the shipment...?