Answer:
y=2x
Step-by-step explanation:
Direct variation is such that y=kx where k is the rate of change. In direct variation the graph must cross the origin (0,0) meaning that the y-intercept is zero. The only equation that satisfies the definition of direct variation is y=2x.
Answer:
(D) 100
Step-by-step explanation:
(A) 16 = 1+3+5+7
(B) 40 =7+9+11+13
(C) 72=15+17+19+21
(D) 100
(E) 200=47+49+51+53
Answer:
(8,3)
Step-by-step explanation:
Answer:
12.49 cm
Step-by-step explanation:
One paper is 38.9, so two papers are 77.8 cm.
To find the length you need to cut off, you need to find how much extra you have.
77.8 - 65.31 = 12.49 cm
