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marta [7]
3 years ago
13

I really need math help.

Mathematics
1 answer:
fenix001 [56]3 years ago
4 0

When you see the 'line' is increasing starting from 0 to 2 hours, this indicates that the person on the graph is riding up a hill. This is known as positive acceleration or constant positive acceleration.

Where you see the 'line' stays the same 2 to 5 hours, this can indicate that the bike rider is doing one or two things. One thing the biker could be doing is taking a rest, and the other could be that the biker is riding at a leveled ground. This could be known as having constant velocity or zero acceleration.

Finally, where the 'line' is decreasing from 5 to 6 hours, this can indicate that biker is riding, possibly, down a hill. This is known as negative acceleration.

And of course, when the 'line' is going up again from 6 to 7 hours, this indicates that the biker is riding up a hill or increasing his speed. This is known as positive acceleration or constant positive acceleration.

•

•

- Marlon Nunez

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2x-9<-1 pleassssssse help me​
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Answer:

x <4

Step-by-step explanation:

2x-9<-1

Add 9 to each side

2x-9+9<-1+9

2x < 8

Divide each side by 2

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Step-by-step explanation:

Option B

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Find the sum of the given vectors and illustrate geometrically. [-1,4],[6,-2]
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Step-by-step explanation:

The given vectors are <-1,4> and <6,-2>.

We need to find the sum of the given vectors and illustrate geometrically.

Plot the point (-1,4) on a coordinate plane and draw a vector <a> from (0,0) to (-1,4).

Plot the point (6,-2) on a coordinate plane and draw a vector <b> from (0,0) to (6,-2).

Now complete the parallelogram and the diagonal represents the sum of both vectors.

The end point of the diagonal is (5,2). It means sum of vectors is <5,2>.

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+==

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