ivan4299 ivan4299
  • 27-02-2020
  • Mathematics
contestada

13. AB
16
a. X= 7, AB = 20
c. X= 7, AB = 16
b. X= 7, AB = 4
d. X= 7, AB = 36

13 AB 16 a X 7 AB 20 c X 7 AB 16 b X 7 AB 4 d X 7 AB 36 class=

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angie127x1 angie127x1
  • 27-02-2020
A. If you plug in 7 to 4x-8
4(7)-8
28+ (-8) = 20
so, AB=20
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