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MissTica
3 years ago
8

Which line is a linear model for the data?

Mathematics
2 answers:
dimulka [17.4K]3 years ago
6 0
The first one is the correct answer. 

A linear line is...
straight
diagonal
going upwards


and the first one follows all the characteristics!   :)
Hope this helped a bunch!!!!!!! :)) 
Lisa [10]3 years ago
3 0
The first one
this is random stuff to fill up the 20 character minimum 
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(3x + 8)
slava [35]
A or b I just know it
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3 years ago
What are the two events that are compared in the second and third
Advocard [28]

Answer: second and third what?

Step-by-step explanation:

4 0
3 years ago
Which graph shows a function whose inverse is also a function?
never [62]

Answer: A good way to determine if a line represents a valid function is to use the vertical line test.

To do this, you imagine a vertical (up and down) line moving across your graph from left to right. It should only be touching the line at one point at a time.

If it is touching more than one point on the line at a time, the line is not a valid function.

The first line and its inverse both pass the test.

The second line passes the test, but its inverse does not.

The third line also passes the test, but again, its inverse does not.

The same applies to the fourth line and its inverse.

Step-by-step explanation:

5 0
2 years ago
Ranking the correct answer brainliest !
nikklg [1K]

Answer:

angle 3 =68°+47°=115°

Hope it helps you

6 0
2 years ago
Read 2 more answers
Find the perimeter of a rectangle whose length is 3 cm greater than its height, and whose area is 40 cm².
jonny [76]

Answer: 26\ cm

Step-by-step explanation:

The perimeter of a rectangle can be calcualated with this formula:

P=2l+2h

Where "l" is the lenght and "h" is the height.

 The area of a rectangle can be found with this formula:

A=lh

Where "l" is the lenght and "h" is the height.

In this case we know that:

A=40\ cm^2

Therfore, we can susbsitute them into A=lh and solve for "h" in  order to find its value:

40=(h+3)h\\\\40=h^2+3h\\\\h^2+3h-40=0

Find two number whose sum is 3 and whose product is -40. These are -5 and 8. Then, factorizing, we get:

(h-5)(h+8)=0\\\\h_1=5\\\\h_2=-8

The positive value is the height. Then:

h=5\ cm

Since the length is 3 centimeters greater than its height, we get that this is: Then:

l=5\ cm+3\ cm\\\\l=8\ cm

Substituting values into P=2l+2h, we get that the perimeter is:

P=2(8\ cm)+2(5\ cm)\\\\P=26\ cm

8 0
3 years ago
Read 2 more answers
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