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oksian1 [2.3K]
2 years ago
6

Mr. Grant spent $8.40 to place an ad in the newspaper. This price included a one-time fee of $6.00 plus $0.08 per word. Which me

thod can be used to determine the total number of words in the ad Mr. Grant placed?
Mathematics
1 answer:
kondaur [170]2 years ago
7 0

Answer:

He used 30 words

Step-by-step explanation:

(8.40 - 6.00) divided by 0.08 = the number of words

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Answer:

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Step-by-step explanation:

2a + 2b = c

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b =  c − 2a

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viva [34]

12. Answer: 2130

<u>Step-by-step explanation:</u>

   T = -0.01y + 10.6

 9.2 = -0.01y + 10.6

<u>-10.6</u>    <u>            -10.6 </u>

 -1.4 = -0.01y

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**************************************************************

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Since the relationship is linear, then we can set up the values as x, y coordinates and use the slope formula to find the rate of degrees over feet.

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rate = \frac{28 - 63}{16405-6562}

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**************************************************************

14. Answer: $0.28 per kWh

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Same reason as #13

(200, 55) and (500, 140)

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