What is the constant of proportionality in the equation y=\dfrac{5}{9}xy= 9 5 XY, equals, start fraction, 5, divided by, 9, en
1 answer:
Answer:
Step-by-step explanation:
The given equation is :
...(1)
We need to find the constant of proportionality in the equation.
In this equation, y is directly proportional to x i.e.
y ∝ x
or
y = kx ...(2)
k is constant of proportionality
If we compare equation (1) and (2), we find that,
So, the constant of proportionality is equal to .
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Answer:
143
Step-by-step explanation:
Substitute n=3 into the problem
6()-2(
) +3-4
Then figure out squared and power by 3
6(27)-2(9)+3-4
Next multiply
162-18+3-4
Finally, add and subtract
144+3=147
147-4=143
Answer:
The cubic regression that fits the points ,
,
and
is
.
Step-by-step explanation:
A cubic polynomial is a polynomial that has the following form:
(1)
Where:
- Independent variable, dimensionless.
- Dependent variable, dimensionless.
,
,
,
- Coefficients, dimensionless.
We construct the following system of equations to determine the coefficients of the cubic regression:
(1)
(2)
(3)
(4)
The solution of the system of linear equations is:
,
,
,
The cubic regression that fits the points ,
,
and
is
.