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3 years ago

A function is a rule that assigns each value of the _____ variable to exactly one value of the dependent variable.

Mathematics

2 answers:

luda_lava [24]3 years ago

5 0

a function is a rule that assigns each value of the independent variable to exactly one value of the dependent variable

Mkey [24]3 years ago

3 0

Answer:

A function is a rule that assigns each value of the independent variable to exactly one value of the dependent variable.

Step-by-step explanation:

We have been an incomplete statement. We are asked to complete the given statement.

We know that a function is a relation between two sets. A relation is known as function when each input in the domain has exactly one specific corresponding output.

We also know that independent variable is known as input of function and dependent variable is known as output of function.

Therefore, the correct word for given statement would be independent variable.

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3 years ago

sixteen men working 9 hrs a day can complete a pice of work in 14 days .How many more men working 7 hrs a day would complete the

nordsb [41]

Answer:

8 more men are needed to complete the job

Step-by-step explanation:

Proportions

This problem can be solved by step-by-step reasoning applying proportions:

16 men working 9 hrs a day complete the job in 14 days
16 men working 1 hr a day complete the job in 14*9 days

The above statement stands because the fewer hours of work, the more time the job needs to be completed. Let's continue.

1 man working 1 hr a day complete the job in 14*9*16 days

The same reasoning applies here, fewer men=more days.

Now for the second condition. Increase the hours/day:

1 man working 7 hrs a day complete the job in 14*9*16/7 days

More hours/day=less days to complete the job

x men working 7 hrs a day complete the job in 14*9*16/(7*x) days

We know this last time is 12 days, thus:

$\displaystyle 12=\frac{14*9*16}{7*x}$

Solving for x:

$\displaystyle x=\frac{14*9*16}{7*12}=\frac{2016}{84}=24$

24 men are needed now, this is an increase of 24-16=8 more men

8 more men are needed to complete the job

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3 years ago