dri7
dri7
01-11-2017
Mathematics
contestada
Help me please thanks
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choixongdong
choixongdong
01-11-2017
= 3 + √(9+7) - √(3*9)
= 3 + √16 - √27
= 3 + 4 - 3√3
= 7 - 3√3
answer
B. 7 - 3√3
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Importance
Importance
01-11-2017
Do both variables.
Here, we have 3 + √16-√21.
The square root of 16 is 4. (3 + 4 - √21)
Simplify. 7 - √21.
Square root of 21 is 4.5
7 - 4.5 = 2.4
Round. 2
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