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MrRissso [65]
3 years ago
6

Explain why you cannot solve the following system by simply by adding. Tell what you can do to

Mathematics
1 answer:
prisoha [69]3 years ago
8 0
That's the answer in my opinion.good luck!

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Can anyone help me with this.
Minchanka [31]

Answer:

a) third; from left most graph

b) fourth; right most graph

Step-by-step explanation:

Part a)

The graph is between the speed and time.

Nicole begin jogging faster and faster i.e. speed is increasing w.r.t time thus we have linear line in beginning.

Then she hits a comfortable speed and stayed at it i.e. speed remained constant for that time. Thus we have a straight line.

After that she gradually slows down,i.e speed is decreasing w.r.t time. Thus we have decreasing linear line.

So the graph shape is linear line with increasing slope-a constant straight line-linear line with decreasing slope

which is the third; from left most graph in option

Part b)

The graph is between Distance to campus and time.

As Dale is hiking towards campus, distance should decrease w.r.t time.

In beginning, he is hiking at constant speed towards campus thus the distance towards the campus is decreasing w.r.t time. We get a decreasing linear line.

*Note: here constant speed is not important, instead hiking towards i.e. the direction is important because of the campus distance covered

Then he sees a snake and turn and runs the other way. Thus now the distance towards the campus is increasing. And we get increasing linear line.

*Note running other way is important because of the campus distance covered

After that, he sits for a while i.e he stops and so the distance towards campus also become constant w.r.t time. we get a straight line on the graph.

So the graph shape is linear line with decreasing slope-linear line with increasing slope-a constant straight line

which is the right-most graph in option !

4 0
3 years ago
It took Joe 3 hours swimming at a speed of 12 miles per hour to swim along the Charles River. If Jennifer is swimming the same p
polet [3.4K]

Answer:

4 hours

Step-by-step explanation:

3 x 12 = 36

36/9 = 4

7 0
3 years ago
y'all this is due tonight but i dont understand this bc im taking higher math please help im really bad at this
Dvinal [7]
Ok so how I get taught to do this is you need to know the basics of algebra if you know that then respond and I’ll tell you how to solve that
3 0
3 years ago
A local farm has raised $3,300 from their annual maple syrup festival. The owner of the farm decided to invest this money into a
myrzilka [38]
Total = Principal * (1 + rate)^years
Total = 3,300 * (1.018)^5
Total = 3,300 * <span> <span> <span> 1.0932988468 </span> </span> </span>
Total = <span> <span> <span> 3,607.8</span></span></span>9


7 0
3 years ago
Can you help me with this question in geometry?
Svetllana [295]
I believe this just uses the Pythagorean Theorem. A^2+B^2=C^2. So:
15^2+B^2=25^2. Simplified this is,
225+B^2=625
625-225=400
B^2=400
√ B=<span>√ 400
</span>B=20
8 0
3 years ago
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