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Please help with this math question???? Answer given???
How would you solve this showing work?
sqrt(2/5)+ sqrt(40)+ sqrt(10)
Answer is (16*sqrt(10))/5
2 Answers
- Anonymous8 years agoFavorite Answer
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√(2/5) + √40 + √10
√2/√5 + √200/√5 + √50/√5
√2/√5 + 10√2/√5 + 5√2/√5
16√2/√5 Now multiply by √5/√5.
16√(10)/5
- 8 years ago
sqrt(2/5) +sqrt(10*4) +sqrt(10) =sqrt(2/5)+ 2sqrt10 + sqrt10 =sqrt(2/5) +3sqrt10, multiply thru by sqrt5 gives sqrt2 +3sqrt50 = sqrt2 +3 sqrt (25*2) =sqrt2 +15sqrt2 = 16sqrt2
