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Margarita [4]
3 years ago
14

Thirty decreased by three times a number is six less than

Mathematics
1 answer:
Lerok [7]3 years ago
8 0

Answer:

12

Step-by-step explanation:

let the number be a

30-3a= -6

collect the like terms

30+6=3a

3a=36

a=12

The number is 12

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Neporo4naja [7]

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6 0
3 years ago
Find the values of the mode when median is given to be 5 and mean is 7.
Reil [10]

Answer:

<u>Mode = 1</u>

Step-by-step explanation:

<u>Relation between the Central Measures of Tendency</u>

  • Mean, Median, and Mode are commonly referred to as the Central Measures of Tendency
  • The formula between the three is given by :
  • ⇒ <u>Mode = 3Median - 2Mean</u> or <u>Mode + 2Mean = 3Median</u>

<u></u>

<u>Solving</u>

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Therefore,

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If 6 men can do a piece of work in 14 days, how many men are needed to do the work in 21days?
Ivenika [448]
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4 0
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Answer:

Step-by-step explanation:

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