They would drink 225,000 liters of water in 5 days.
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Answer:
The proportionality constant is 2/5
Step-by-step explanation:
Here, we want to get the proportionality constant
Let us view the two points as being points on a line
The constant of proportionality will be the slope of the line that connects the two points
Mathematically, we can use the formula for the slope of a line
We have this as;
m = (y2-y1)/(x2-x1)
(x1,y1) = (20,8)
(x2,y2)= (25,10)
m = (10-8)/(25-20) = 2/5
Let the ratio be 4x,3xand x
Then
According to question 4x+3x+x=64
Or,8x=64
Or,x=8.
Substitute the value of x
4x=32
3x=24
X=8
Answer:
linear
Step-by-step explanation:
The x-values are evenly spaced (1 apart), so it is helpful to look at the differences of the f(x) values.
Successive f(x) values all differ by the constant 0.5, a characteristic of a linear function.
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<em>Comment on differences</em>
The differences of successive y-values are called "first differences". The differences of those are called "second differences". And the differences of those are "third differences." The "degree" of the differences that are constant is the degree of the function describing the sequence.
That is, a sequence (like this one) with constant first differences can be described by a first-degree polynomial, a linear function. If third differences are constant, the sequence is described by a third-degree polynomial, a cubic function.
A square root function will have first differences that decrease by a decreasing amount. Successive differences of differences will continue to decrease, never becoming constant.
An exponential function will have first differences with a common ratio.
