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Simora [160]
3 years ago
5

This graph indicates a _____ velocity. Constant Changing

Mathematics
2 answers:
ch4aika [34]3 years ago
8 0
This graph indicates a changing velocity.

If the velocity is constant, the displacement graph would have a straight line, instead of a curve. The line is a curve because the displacement is different for the same amount of time during the recorded period. As you can see, the line tend to curve more at the end, which means the velocity has increased comparing to the beginning.

Plus, if you look at the actual numbers, for the first 6 seconds, it travelled 36m, but for the next 6 seconds, it travelled 144/2 = 72m, which is not the same as 36m, so we can spot the change in velocity.
Ivan3 years ago
4 0
Changing velocity graph
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Step-by-step explanation:

We are given with the following pair of the linear system of equations below;

y = -x+9  and   y = 0.5x-6.

Also, the solution is given as (a, -1).

To find the value of 'a', we have to substitute the solution in the equation because it is stated that (a, -1) is the solution of the given two equations.

So, the x coordinate value of the solution is a and the y coordinate value of the solution is (-1).

First, taking the equation;

y = -x+9

Put the value of x = a and y = -1;

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a = 9 + 1 = 10

Now, taking the second equation;

y = 0.5x-6

Put the value of x = a and y = -1;

(-1) = 0.5(a)-6

0.5a = 6 - 1

0.5a = 5

a=\frac{5}{0.5}

a = 10

Since we get the value of a = 10 from the equations, so the value of a is 10.

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