Answer:
x=13
Step-by-step explanation:
x+4 = 17
Subtract 4 from each side
x+4-4=17-4
x = 13
Answer:
B. infinite solutions along a line
Step-by-step explanation:
The matrix is equivalent to the equations ...
x = 2
y = 9
0z = 0 . . . . . . true for any z
This tells you the solutions are ...
(x, y, z) = (2, 9, z)
This defines a line parallel to the z-axis.
Answer:
$2.30
Step-by-step explanation:
The original price is $2.30 an it goes up by 100% which means another 2.30. So add 2.30 and 2.30 together you get 4.60 now divide that by two since the magazine is 50% off and you get the original price which was 2.30
Answer:
the answer is d
Step-by-step explanation:
d
Both should be yes..there is exactly one x input for every y input