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Vera_Pavlovna [14]
1 year ago
6

HELP MEEEE PLEASEEEE, 20 POINTS!!!!

Mathematics
1 answer:
jeyben [28]1 year ago
7 0

Answer:

Enter each answer as a fraction in simplest form, as a decimal, and as a percent. You draw one card at random from a shuffled deck of 52 playing ...

-by-step explanation:

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Help me class8 (surds)​
Mashcka [7]

Answer:

  • \cfrac{991\sqrt{2} }{80}

Step-by-step explanation:

For a start simplify each of the roots:

  • \sqrt{72} =\sqrt{36*2} =6\sqrt{2}
  • \sqrt{50} =\sqrt{25*2} =5\sqrt{2}
  • \sqrt{128} =\sqrt{64*2} =8\sqrt{2}
  • \sqrt{98} =\sqrt{49*2} =7\sqrt{2}

Now simplify the expression in steps:

\sqrt{72}-\cfrac{48}{\sqrt{50} }  -\cfrac{45}{\sqrt{128} }  +2\sqrt{98} =

6\sqrt{2}-\cfrac{48}{5\sqrt{2} }  -\cfrac{45}{8\sqrt{2} }  +2*7\sqrt{2} =

6\sqrt{2}-\cfrac{48*8+45*5}{5*8\sqrt{2} }  +14\sqrt{2} =

20\sqrt{2}-\cfrac{609}{40\sqrt{2} } =

20\sqrt{2}-\cfrac{609*\sqrt{2} }{40\sqrt{2} *\sqrt{2} } =

20\sqrt{2}-\cfrac{609\sqrt{2} }{40*2 } =

20\sqrt{2}-\cfrac{609\sqrt{2} }{80 } =

\sqrt{2} (20-7\cfrac{49}{80} )=

\sqrt{2} *12\cfrac{31}{80} =

\cfrac{991\sqrt{2} }{80}

3 0
2 years ago
X+2/6÷3(4×12)/3+4(5)÷1/3 pleasehelp simplify this! Will award the BRAINLIEST!​
zimovet [89]

Answer:

8.444444444 or 76/9

Step-by-step explanation:

3 0
3 years ago
Which equation represents a relationship that will be a line graphed <br>​
ElenaW [278]

Answer:

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Step-by-step explanation:

need the graph need the graph need the graph need the graph need the graph need the graph

6 0
2 years ago
Henry begins a savings account with $500. The savings account accumulates 2.5% annual interest based on the
fiasKO [112]
It’s B I did this question and got the same answer
7 0
2 years ago
What is 4.8x ten to the power of 8
dangina [55]
480,000,000 (480 million)
3 0
3 years ago
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