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puteri [66]
3 years ago
9

There are 11 people in line at a checkout counter. The first person in line is currently being helped and will stay at the front

of the line. The person at the back of the line is chatting with someone who is still shopping and will stay at the back of the line. How many different ways can the other shoppers in line be​ ordered?
Mathematics
1 answer:
kotykmax [81]3 years ago
8 0

Answer:

362880

Step-by-step explanation:

You have to subtract the two people who are already doing something in line so you would do 11-2 which equals 9. Then you would do 9 mPr 9 which gives you an answer of 362,880.

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6x+4y=2 10x-8y=32 what is the exact solution by using elimination
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First, let's multiply the first equation by two. This is because we have to eliminate either x or y by subtraction or addition so that means either both of the x's or both of the y's in the two equations have to be equal. Thus multiplying the first equation by 2 will give 12x+8y=4.
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6 0
3 years ago
HELP!<br> <img src="https://tex.z-dn.net/?f=%5Csqrt%7Bx-1%7D-x%3D-7" id="TexFormula1" title="\sqrt{x-1}-x=-7" alt="\sqrt{x-1}-x=
katen-ka-za [31]

\huge \huge \huge\huge\mathrm{ \boxed{ \boxed{ \boxed{ \boxed{ \boxed {\boxed{  \huge\mathfrak{ Solution}}}}}}}}

  • \sqrt{x - 1}   - x =  - 7

  • \sqrt{x - 1}  =x  - 7

  • x - 1 = (x - 7) {}^{2}

  • x - 1 =  {x}^{2}  + 49 - 14x

  • {x}^{2}  - 14x + 49 - x + 1 = 0

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  • {x}^{2}  - 10x - 5x + 50 = 0

  • x(x - 10) - 5(x - 10) = 0

  • (x - 5)(x - 10) = 0

  • x = 5 \:  \:  \: or \:  \:  \: x = 10

6 0
2 years ago
Read 2 more answers
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