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djverab [1.8K]
3 years ago
12

PLEASE HELP WILL

Mathematics
2 answers:
Paha777 [63]3 years ago
7 0
S=22.17
Step-by-step explanation:
v/r=u/s
18/19=21/s
18s=21(19)
18s=399
18s/18=399/18
s=22.17
Cerrena [4.2K]3 years ago
5 0
Someone already answered it & yes there is correct !!
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