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Which equations have a lower unit rate than the rate represented in this table?
х у
6 2
12 4
18 6

y=3/11x
y=2/5x
y=9/23x
y=4/13x
y=3/8x

Sagot :

mhanifa

Answer:

  • A and D

Step-by-step explanation:

Find the unit rate of the data in the table:

  • y = kx
  • 2 = 6k
  • k = 2/6
  • k = 1/3

The equation is:

  • y = 1/3x

Compare this with the others:

  • A. 3/11 < 1/3 = 3/9      ⇒ yes
  • B. 2/5 > 1/3 = 2/6      ⇒ no
  • C. 9/23 > 1/3 = 9/27  ⇒ no
  • D. 4/13 < 1/3 = 4/12    ⇒ yes
  • E. 3/8 > 1/3 = 3/9       ⇒  no

Find. rate

  • m=4-2/12-6
  • m=2/6
  • m=1/3

Only first one and 4the one have lower unit rate

  • y=3/11x
  • y=4/13x
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