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slega [8]
2 years ago
13

What is the value of c when 12.9x + c is equivalent to 4.3(3x + 1.5)

Mathematics
1 answer:
Ivan2 years ago
4 0

Answer:

172.86

Step-by-step explanation:

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Ben has a cell phone plan that provides 200 free minutes each month for a flat rate of $39. For any minutes over 200, Ben is cha
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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

So, coat will be $39

If x>200

So, Ben is charged $0.35 per minute

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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Step-by-step explanation:

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Which of the following expressions is equal to -12 ?
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c. 5 - 17

Step-by-step explanation:

a. -15 - 3 = -18

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d. -6 - (-6) = 0

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Explanttio:

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