Answer:
x = ± 10
Step-by-step explanation:
Given
x² - 100 = 0 ( add 100 to both sides )
x² = 100 ( take the square root of both sides )
x = ± 
← note plus or minus, hence
x = ± 10
Answer:
Step-by-step explanation:
Mp=$1200
Let sp be x
SP=MP-discount% of MP
x=1200-15/100 * 1200
x=120000-18000/100
x=102000/100
x=1020
the amount of money person saves=MP-SP
=$1200-$1020
=$180
therefore he saves $180
Answer:
Width Length Area
1 m 31 m 31 m2
2 m 30 m 60 m2
3 m 29 m 87 m2
4 m 28 m 112 m2
5 m 27 m 135 m2
------------------------------
14 m 18 m 252 m2
15 m 17 m 255 m2
16 m 16 m 256 m2
17 m 15 m 255 m2
18 m 14 m 252 m
Step-by-step explanation:
Answer:
0.84545454545
Step-by-step explanation:
Answer:
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