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Lelu [443]
3 years ago
12

4 1/6 + 2 3/4 too many answer not sure which is correct

Mathematics
2 answers:
kotegsom [21]3 years ago
7 0
4 1/6 turn it into an improper fraction so it will become 10/6
2 3/4 turn it into an improper fraction so it will become 10/4

4 1/6 = 10/6
2 3/4 = 10/4 now add them both up

10/6 +10/4 = 30/12 + 20/12
The answer will be 40/12 simplifying it to 3 and 1/3
kirill [66]3 years ago
4 0

Answer:

6.91666666667

Step-by-step explanation:

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B. \sqrt{x}  +  \sqrt{x - 1} ✅

\large\mathfrak{{\pmb{\underline{\red{Step-by-step\:explanation}}{\orange{:}}}}}

\frac{1}{ \sqrt{x} -  \sqrt{x - 1}  }  \\  \\=  \frac{1}{ \sqrt{x} -  \sqrt{x - 1}  }  \times  \frac{ \sqrt{x}  +  \sqrt{x - 1} }{ \sqrt{x} +  \sqrt{x - 1}  }  \\ \\  =  \frac{ \sqrt{x}  +  \sqrt{x - 1} }{  ({ \sqrt{x} })^{2}   -  { (\sqrt{x - 1} })^{2} }  \\\\ [∵(a + b)(a - b) =  {a}^{2}  -  {b}^{2} ] \\  \\=  \frac{ \sqrt{x} +  \sqrt{x - 1}  }{x - (x - 1)}  \\  \\=  \frac{ \sqrt{x}  +  \sqrt{x - 1} }{ x - x +  1}  \\  \\=   \sqrt{x}   +  \sqrt{x - 1}

\bold{ \green{ \star{ \orange{Mystique35}}}}⋆

6 0
3 years ago
Help please 20 points and brainliest!!!
Akimi4 [234]

Answer:

C

Step-by-step explanation:

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