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atroni [7]
3 years ago
11

Help me please it would help

Mathematics
2 answers:
Alex73 [517]3 years ago
6 0

Answer:

2.) 11(17/21)

3.) -18(3/5)

4.) -28

​​

mina [271]3 years ago
5 0

Answer:

in the picture

Step-by-step explanation:

in the picture

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Ann made a 33-step staircase using 1818 toothpicks as shown in the figure. How many toothpicks does she need to add to complete
malfutka [58]
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Fofino [41]

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Math work...HELPPPP!
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