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never [62]
3 years ago
6

Assume there are 20 people in a room, including you. You must shake hands with everyone else in the room. How many hands will yo

u shake
Mathematics
1 answer:
Oksanka [162]3 years ago
4 0

Answer:

19, I'm pretty sure?

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Simplify (2xy^3)^4.<br> a.8xy12<br><br> b.2x4y12<br><br> c.16xy12<br><br> d.16x4y12
kakasveta [241]

Answer:

d 16 x^4 y^12

Step-by-step explanation:

(2xy^3)^4

We know that

(ab)^c is a^c b^c

So

2^4 x^4 y^3^4

We also know that a^b^c is a^(b*c)

16 x^4 y^(3*4)

16 x^4 y^12

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4 years ago
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Qual é o perímetro de um terreno retangular com 18 metros de largura e 25 metros de comprimendo?
arsen [322]
18*25=450 <span>tiempos de longitud con</span>
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3 years ago
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Help me please !!!!!!!! Thank you .
Ipatiy [6.2K]

Answer:

You made this up didn't you

Step-by-step explanation:

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3 years ago
Solve the systems of equations 9x+5y=41 and x+y=9 by combining the equations
Sholpan [36]

Step-by-step explanation:

multiplying the 2nd eqn by 9 we get,

9x+9y=81

then,subtracting 1st and 2nd eqn

9x+5y=41

9x+9y=81

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we get y = 10

then we get x=9-y

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x= -1

so x is -1 and y is 10

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3 years ago
PLEASE HELP!
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The answer is C: 36%

20/55 = .3636 repeating
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4 years ago
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