3 years ago

in how many ways can a family of four be seated at a round table if two brothers must sit together a)1 b)8 c)2 d)4

Mathematics

1 answer:

Contact [7]3 years ago

3 0

Answer:

Step-by-step explanation:

i think this is right if not it would be 2

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Find MP.<br><br> MN=17<br> NP=3y<br> MP=5y+9

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Answer:

$MP = 29$

Step-by-step explanation:

Given:

$MN = 17$

$NP = 3y$

$MP = 5y + 9$

$MN + NP = MP$ (segment addition postulate)

$17 + 3y = 5y + 9$ (substitution)

$3y = 5y + 9 - 17$ (subtracting 17 from each side)

$3y = 5y + 8$

$3y - 5y = 5y - 8 - 5y$ (Subtracting 5y from both sides)

$-2y = 5y - 8 - 5y$

$-2y = - 8$

$y = 4$ (dividing both sides by -2)

$MP = 5y + 9$

Plug in the value of y

$MP = 5(4) + 9 = 20 + 9$

$MP = 29$

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3 years ago

Can you plz help with this?

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Step-by-step explanation:

inverse property of addition is going back to zero with the equation so adding 2 to negative 2 will go back to zero

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Select all expressions that are equivalent to 5x + (x+6) +3x.

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Step-by-step explanation:

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2 years ago

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in how many ways can a family of four be seated at a round table if two brothers must sit together a)1 b)8 c)2 d)4​

in how many ways can a family of four be seated at a round table if two brothers must sit together a)1 b)8 c)2 d)4