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jekas [21]
3 years ago
8

A print shop charges a fixed amount per photocopy and gives a 10% discount off the total cost of the photocopies. The total cost

is a function of the number of photocopies made. What is the independent quantity in this situation ?
Mathematics
1 answer:
givi [52]3 years ago
3 0

Answer:

  the number of photocopies made

Step-by-step explanation:

The wording "a function of <em>the number of photocopies made</em>" tells you that "the number of photocopies made" is the independent variable.

___

The wording "y is a function of x" means x is the independent variable.

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The sum of 2 times a number and 4 equals 3 <br> HELP ASAP
AlexFokin [52]

Answer:

The number is - ½

Step-by-step explanation:

Let the missing number be x

2x + 4 = 3

2x = 3 - 4

2x = - 1

x = - ½

5 0
2 years ago
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What is 5-2x=2x-5 ??? (its curretly 8:20 and I have math homework due :)
Nastasia [14]

Answer:

x = 5/2

Step-by-step explanation:

6 0
3 years ago
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the map shows Henry's town . Each unit represents 1 kilometer. After school, Henry walks to the library. How far does he walk?​
ivann1987 [24]

Answer:

Henry walks 7 kilometres from school to library

Step-by-step explanation:

Given:

1 unit = 1 Kilometre

To Find:

The distance between the library and the school

Solution:

The map below shows that  Henry has walked from

-2 coordinate in the x axis to coordinate 5  along the same x axis

So he has walked a total of 7 units

Since we know that 1 unit  = 1 Kilometre,

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=> 7 Kilometres

3 0
3 years ago
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Consider the function f(x) = 3x-1/x+4.
andrew-mc [135]

Ans(a):


Given function is f(x)=\frac{3x-1}{x+4}


we know that any rational function is not defined when denominator is 0 so that means denominator x+4 can't be 0


so let's solve


x+4≠0 for x


x≠0-4


x≠-4


Hence at x=4, function can't have solution.


Ans(b):


We know that vertical shift occurs when we add something on the right side of function so vertical shift by 4 units means add 4 to f(x)


so we get:


g(x)=f(x)+4


g(x)=\frac{3x-1}{x+4}+4


We may simplify this equation but that is not compulsory.


Comparision:  


Graph of g(x) will be just 4 unit upward than graph of f(x).


Ans(c):


To find value of x when g(x)=8, just plug g(x)=8 in previous equation


8=\frac{3x-1}{x+4}+4


8-4=\frac{3x-1}{x+4}


4=\frac{3x-1}{x+4}


4(x+4)=(3x-1)


4x+16=3x-1


4x-3x=-1-16


x=-17


Hence final answer is x=-17


6 0
3 years ago
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Please help 2. Name the polar coordinates of the point graphed below.
Y_Kistochka [10]
A) (-4,2π/3)
b) (4,4π/3)
c) (-2,π/3)
d) (2,5π/3)
7 0
2 years ago
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