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MrRa [10]
3 years ago
11

Please help out. I do not understand at all.

Mathematics
2 answers:
Kay [80]3 years ago
7 0
It’s c x=5 that what it is lol
Fofino [41]3 years ago
4 0

Answer:

Step-by-step explanation:

I think it is a ratio problem  since the sides and trapezoid are congruent

It appears to be simplier than I thought.  Each NEW base decreases EVERY equal step up by the SAME amount

The difference between the the bottom base and middle base  is 3.5

21 - 17.5 = 3.5

The difference between the middle base and the top base is the same 3.5 so

17.5 - 3.5 =   14   is the length of the top base 3x + 2

so 3x + 2 = 14

3x = 14 - 2

3x = 12

x = 4   FINAL ANSWER

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