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3 years ago

As the value of the multiple coefficient of determination increases,

Mathematics

1 answer:

Leona [35]3 years ago

7 0

Answer:

a.the goodness of fit for the estimated multiple regression equation increases.

Step-by-step explanation:

As the value of the multiple coefficient of determination increases,

a. the goodness of fit for the estimated multiple regression equation increases.

As we know that the coefficient of determination measures the variability of response variable with the help of regressor. As we know that if the value of the coefficient of determination increases strength of fit also increases.

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Determine the domain and the range of the relation. <br>(-3,1), (4,2), (-3,6), (5,6)

fgiga [73]

Answer:

Domain (-3, 4, 5)

Range (1, 2, 6)

Step-by-step explanation:

Domain is your x so all of the values that can go into a relation or function (which is your input) are called Domain. Domain is also all of the set of elements of ordered pair ( which is the x coordinates).

Range is your y so all the values that can go into a relation or function ( which is your output) are called Range. Range is also all the set of second elements of ordered pair ( which is the y coordinates).

So, basically you just look at all the number that come first so say you have

(1,2), (2,3), (3,4)

Your first numbers to each point are (1, 2, 3) which is your Domain

then look at the second number which are (2, 3, 4) which is your Range.

Hope this helps!

6 0

3 years ago

Express secΦ in terms of tanΦ

Sunny_sXe [5.5K]

Answer:

$\sec\theta=\sqrt{1+\tan^2\theta}$

Step-by-step explanation:

The trigonometric identity is :

$\sec^2\theta-\tan^2\theta=1\\\\or\\\\\sec^2\theta=1+\tan^2\theta$

We need to express secθ in terms of tanθ.

The above equation becomes,

$\sec\theta=\sqrt{1+\tan^2\theta}$

Hence, this is the required solution.

5 0

3 years ago

What is the x-intercept of the line with this equation −5x+1/5y=15 ?

viva [34]

X = -3+y/25
Y= 25x+75

7 0

3 years ago

Evaluate the expressions below for x = -4. <img src="https://tex.z-dn.net/?f=x%5E-2" id="TexFormula1" title="x^-2" alt="x^-2" al

Ronch [10]

Answer:

-0.0625

-0.25

-4

Step-by-step explanation:

$x=-4\\\\x^{-2}=\\-4^{-2}=\\-0.0625\\\\x^{-1}=\\-4^{-1}=\\-0.25\\\\x^0=\\-4^0=\\1\\\\x^1=\\-4^1=\\-4\\\\-x^2=\\-4^2=\\16$

3 0

3 years ago

Please help!!!! Questions are in the picture above!! Question is worth 20 points please answer it correctly!!!!

Mariulka [41]

Answer:

Step-by-step explanation:

points that lie on an axis do not lie in any quadrant.

So point A lies in the positive x-axis

The origin (0,0) does't lie on any quadrant.

Origin is the point that lies on both x-axis and y-axis

6 0

3 years ago