What is constant of proportionality?

2 answers:

7 0

Ariable y is directly proportional to the variable x. ... The constant is called the coefficient of proportionality or proportionality constant. If one variable .

mario62 [17]4 years ago

3 0

The constant of proportionality (in math) is when you divide the dependent variable by the independent variable and the answer that you get has to be a number over 1 and that will be the constant of proportionality.

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A sofa depreciates at 20% of its original value each year. If the sofa was $349 at its time of purchase, what is the value of th

klemol [59]

Answer:

$142.95

Step-by-step explanation:

Given Original value of the sofa = $349

Rate of depreciation each year = 20%

Number of years = 4

To find the value of the sofa after 4 years use depreciation formula:

If the constant decrease in population be R% per annum. Then the population after n years is $P \times\left(1-\frac{R}{100}\right)^{n}$