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Beautiful_Lier96

  • 3 years ago

can someone help with these last two problems? 1. (5√32)-(7√8) A. 4√2 B. 3√2 C. 6√3 D. 6√2 2. (2√15xy³)(3√30x³y²) A. 4x²y³√5xy B. 3x²√2y C. 90x²y²√2y D. x²y²√xy

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  1. niksva
    • 3 years ago
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    @Beautiful_Lier96 can u write sqrt(32) and sqrt(8) in terms of sqrt(2)?

  2. Beautiful_Lier96
    • 3 years ago
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    no i have to choice a through d

  3. Beautiful_Lier96
    • 3 years ago
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    number 1 is d idk 2 yet

  4. niksva
    • 3 years ago
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    cool do u know how to solve the first ques?

  5. Beautiful_Lier96
    • 3 years ago
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    no. i put it in the calculator. i placed the prob. then did all the choices and matched it to the answer

  6. niksva
    • 3 years ago
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    do u want to know how to solve the ques no but i m not going give u a direct answer for this

  7. Beautiful_Lier96
    • 3 years ago
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    yea

  8. niksva
    • 3 years ago
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    cool sqrt(32) can be written as sqrt(2*2*2*2*2) now try to write sqrt(8) in terms of multiples of 2

  9. Beautiful_Lier96
    • 3 years ago
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    2*2*2

  10. niksva
    • 3 years ago
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    good can sqrt(32) be written as 4sqrt(2)?

  11. Beautiful_Lier96
    • 3 years ago
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    no it would be 4^2*2

  12. niksva
    • 3 years ago
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    u r wrong do u know what are squareroots?

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