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bija089 [108]
3 years ago
7

Anybody pls help me. Plus, working. Thank you ​

Mathematics
1 answer:
Umnica [9.8K]3 years ago
5 0

I hope my answer can help you.

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Identify as a direct variation, inverse variation or neither. The number of tons of coal burned by an old coal burning locomotiv
Lynna [10]
The answer for the question shown above is the first option, which is:
 - Direct.

 The explanation is shown below:
 1. The problem says that <span>The number of tons of coal  varies as the number of hours.
 2. Therefore, you can write the following equation:
 number of tons:x
 number of hours:y
 x=ky
 Where k is the constant of variation.
 3. Therere the variation is direct.</span>
5 0
3 years ago
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What is the definition of marginal​ utility? A. The average utility from consuming a good or service multiplied by the number of
Ilya [14]

Answer:  Option 'E' is correct.

Step-by-step explanation:

Marginal utility is the addition utility derived from each successive unit of a particular good.

so, marginal utility is the change in utility from consuming an addition unit of a good or service.

Mathematically, it is expressed as

MU=\dfrac{\Delta TU}{\Delta Q}

Hence, Option 'E' is correct.

4 0
3 years ago
Can someone pls help
MakcuM [25]

when x =1 , y = 3

 when x = 3, y =27

27-3 = 24

3-1 = 2

24/2 = 12

 rate of change = 12

3 0
3 years ago
What is the slope of the line
mart [117]
Slope = 4/1 = 4

hope it helps
3 0
3 years ago
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The sum of a positive number and 22 is 455 times the reciprocal of the number find the number
dalvyx [7]

Answer:

13

Step-by-step explanation:

Let the number be x.

ATQ x+22=455/x. x^2+22x=455. x=-35 or 13. Since x is positive, x=13

3 0
3 years ago
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