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il63 [147K]
3 years ago
9

Estimate the square root of 300 and 190

Mathematics
2 answers:
mihalych1998 [28]3 years ago
7 0

Answer:

22

Step-by-step explanation:

ikadub [295]3 years ago
3 0
For 300..about 17
For 190..about 14

300: 17.320
190: 13.784
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The number=10x+y
we suggest this system of equations:
(10y+x)-(10x+y)=27
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Can solve this system of equations by susbstitution method.
(10y+(9-y)-(10(9-y)+y)=27
10y+9-y-(90-10y+y)=27
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The number=10x+y=10(3)+6=36

Answer: the number is 36.

to check:
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