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Dennis_Churaev [7]
3 years ago
5

Mr and mrs Gomez are buying carpet for their square shaped bedroom which measures 7 yd along each wall the carpet is $21 per squ

are and padding and installation is another $4 how much will they spend in all?
Mathematics
1 answer:
Andreas93 [3]3 years ago
3 0

Answer:

Step-by-step explanation: The area of the bedroom is

A=7yd^2

 

The total cost is the sum of the price rates times this area.  

 

C=A•($21+$5)/yd^2

 

where C is total cost.  

 

C=7yd^2•($21+$5)/yd^2

C=$182

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Answer:

\left\{\begin{matrix}39 & x\leq 200\\ 39+(x-200)\times 0.35 & x>200\end{matrix}\right.

Step-by-step explanation:

We are given that Ben has a cell phone plan that provides 200 free minutes each month for a flat rate of $39.

We are also told that For any minutes over 200, Ben is charged $0.35 per minute.

let x  be the minutes used each month

So, if x\leq 200

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If x>200

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So, when x>200

So, charge = 39+(x-200)\times 0.35

So, the piecewise functions accurately represents charges based on Ben's cell phone :

\left\{\begin{matrix}39 & x\leq 200\\ 39+(x-200)\times 0.35 & x>200\end{matrix}\right.

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I asked this same exact question, no one got the right answer, so I just guessed, and what do you know, I got the answer right! So here you go.

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Karen had 200 after spending y pesos on a notebook,she bought 4 colored pens with the rest of her money,what was the price of ea
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Answer:

<u>30 pesos</u>

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<u>Given</u>

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