What is four twentyoneths simplified

Mathematics

2 answers:

dedylja [7]3 years ago

4 0

4/21 cannot be reduced any more than it is <span />

makvit [3.9K]3 years ago

4 0

4/21 cannot be simplified any more due to the fact that while 4/21 can be divided by other numbers, both numbers have to be divided by both the same number. Since there is no number that can go into both 4 and 21, 4/21 is the simplest it can get

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Which function has an inverse that is also a function

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In the year 2000, the population of a city was 600,000 citizens. The population increases at a rate of 1.8% per year.

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Read 2 more answers

What is the set fee, or initial value, of this function

Ber [7]

Answer:
The set fee would be $15

Explanation:
The set fee is the starting value. This means that it is the value of the y at x = 0 (y-intercept).

To get the set fee, we would first need to get the equation of the line.

Equation of the linear line has the following general formula:
y = mx + c
where m is the slope and c is the y-intercept

1- getting the slope:
we are given two points which are:
(20,25) and (50,40)
the slope = $\frac{y2-y1}{x2-x1}= \frac{40-25}{50-20} = 0.5$

The equation now is:
y = 0.5x + c

2- getting the value of the y-intercept:
To get the value of the c, we will use any of the given points, substitute in the equation and solve for c.
I will choose the point (20,25)
y = 0.5x + c
25 = 0.5(20) + c
25 = 10 + c
c = 15

The equation of the line representing the scenario is:
y = 0.5x + 15

Now, we know that the value of the c is the y-intercept which is the initial value of the function at x=0.
In our situation, this represents the set fee.

Hope this helps :)

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3 years ago