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Mathematics
Whiskey
22 March, 11:00
8 15 27 blank 20 find the blank number
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Amiah Foley
22 March, 12:55
0
the blank number is 23
Step-by-step explanation:
8, 15, 27, x, 20
common ratio, r = T2: T1 = T3: T2
= 15 : 8 = 27: 15
= 1.8 = 1.8
20 : x = x : 27
(cross multiply,)
x² = 540
x = √540
x = 23.24
x = 23
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