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agasfer [191]
3 years ago
8

Solve.... 3(2x-9)=21

Mathematics
2 answers:
Lana71 [14]3 years ago
6 0

Answer:

x=8

Step-by-step explanation:

____ [38]3 years ago
3 0
Steps 2x-9=7 then 2x=7+9 then 2x=16 you then divide both sides by 2 and your answer is x=8 your welcome correct me if I’m wrong
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Justin has written 5 novels with an average length of 450 pages. If his sixth novel is 750 pages long, what is the average lengt
OLga [1]

Answer:

  • <u><em>Option A: 500 pages</em></u>

Explanation:

<u>1. Number of pages of the first 5 novels</u>

  • Average = [Number of pages] / [number of novels]

  • 450 pages / novel = Number of pages / 5 novels

  • Number of pages = 5 novels × 450 pages / novel = 2,250 pages

<u>2. Average length of all 6 novels</u>

  • Average = [Number of pages] / [number of novels]

  • Number of pages of 6 novels = 2,250 pages + 750 pages = 3,000 pages

  • Average = 3,000 pages / 6 novels = 500 pages / novel
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3 years ago
How do I work out 3t-7=5t
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3t-7=5t\ \ 3t-5t=7 \\\\-2t=7\ \ / :(-2)\\\\t=-\frac{7}{2}


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4 years ago
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Help me ASAP for this question
Olenka [21]

Answer:

(5, 21)

Step-by-step explanation:

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3 years ago
A DVD rental service wants to pay close attention to what movies their customers like the most. Which measure of central tendenc
ivanzaharov [21]

Answer:

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- Mode is the term that occurs most frequently in a set of data.

In this question, we want to find the movies most frequently watched.

Thus, from the definitions above earlier, it is clear that the only way to know this is using the mode.

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A cause 4 divide by 5 is .8 and 6 divide by 5 is 1.2
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