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Amanda [17]
3 years ago
14

Which expression is modeled by this set of arrows on a number line

Mathematics
1 answer:
Mekhanik [1.2K]3 years ago
3 0

Answer:

which expression is modeled by this set of arrows on a number line

which expression is modeled by this set of arrows on a number line

which expression is modeled by this set of arrows on a number line

Step-by-step explanation:

h i

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Population size: 7

Median: 7.42

Minimum: 4.7

Maximum: 9.64

First quartile: 6.5

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Two welders worked a total of 46 h on a project. One welder made $34/h, while the other made $39/h. If the gross earnings of the
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Answer:

25 and 21 hours respectively

Step-by-step explanation:

Let the number of hours worked by each welder be x and y respectively.

They worked a total of 46 hours. This means :

x + y = 46 hours.......(I)

Now, given their hourly charges, since we have the total amount of money realized, we can make an equation out of it. This means:

34x + 39y = 1669........(ii)

We then solve both simultaneously. From I, x = 46 -y

We can substitute this into ii

34(46 -y) + 39y = 1669

1564 -34y + 39y = 1669

5y = 1669 - 1564

5y = 105

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The numbers of hours worked by the welders are 25 and 21 respectively

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