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ra1l [238]
3 years ago
15

Hello please help me with Question (A) please and thanks :) > will give brainlst

Mathematics
1 answer:
jarptica [38.1K]3 years ago
7 0
Well it is a because i’m right thanks
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In testing the validity of a multiple regression model in which there are four independent variables, the null hypothesis is:___
Serggg [28]

Answer: H0 : β1 = β2 = β3 = β4 = 0

Step-by-step explanation:

The null hypothesis refers to a hypotheses that simply states that no relationship exists between two phenomenons that are being tested.

In testing the validity of a multiple regression model in which there are four independent variables, the null hypothesis is H0 : β1 = β2 = β3 = β4 = 0.

6 0
3 years ago
What is the reciprocal of -2/7
dezoksy [38]

Just flip it to find recipricol to be

-7/2

4 0
3 years ago
Read 2 more answers
The area of a rectangular park is same as area of a square park. If the length
Leona [35]

Answer:

<h2> 8m</h2>

Step-by-step explanation:

Step one:

given data

length of rectangle= 24.5m

let the width be x

width of square= 14m

let the length be x

Step two:

we know that the area of a rectangle is

Ar= Length * width

Ar=24.5*x-----------1

Also, the area of the square is

As= Length * width

for square L=W

As= 14*14-----------------2

As=196m^2

equating 1 and 2 we have

14*14=24.5x

196=24.5x

divide both sides by 24.5

x=196/24.5

x=8m

<u>The Breadth/width of the rectangular park is 8m</u>

5 0
3 years ago
Explain what Event-Driven Programs are (Use all of the following words in your description: Call-back function, on-events, algor
ASHA 777 [7]

Answer:

Step-by-step explanation:

An event driven programs are process of programming by which an algorithm is written by programming on a UI element, placing an event listener such that it handled when triggered by calling a call-back function.

E.g is a click event on a button which is a UI element. An event listener example, mouse down can placed on it, and if a user mouse down on it, it is handled by calling a call-back function which might be to open a new page on website.

4 0
3 years ago
F(x) = x − 8, g(x) = |x + 8|<br> Find <br> (f ∘ g)(x).
miskamm [114]

Answer:

<h2>(f  \circ g)(x) =  |x  +  8|  - 8</h2>

Step-by-step explanation:

f(x) = x - 8 \\  \\ g(x) =  |x + 8|

To find (f ∘ g)(x) , substitute g(x) into f(x). That is for every x in f (x) replace it with g (x)

That's

<h3>(f  \circ g)(x) =  |x  +  8|  - 8</h3>

Hope this helps you

5 0
3 years ago
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