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3 years ago

Which is the best estimate for the length of a door? A. 2 m B. 2 cm C. 2 km

2 answers:

7 0

The best answer is A

2 meters is about 6 feet. 2 km is more like the distance from where you are to where your school is. 2 cm is about the length of an inch.

babunello [35]3 years ago

5 0

A. becuase it makes the most sense for he question

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faltersainse [42]

Answer:

Part 1) The solution is the point (-2,0)

Part 2) The solutions are the points (-2,0) and (0,2)

Step-by-step explanation:

Part 1

we have

$y=x+2$ -----> equation A

$y=0.5(x+2)$ ----> $y=0.5x+1$ ---> equation B

Solve the system by graphing

Remember that the solution of the system is the intersection point both graphs

using a graphing tool

The solution is the point (-2,0)

see the attached figure N 1

Part 2

we have

$y=x+2$ -----> equation A

$y=0.5(x+2)^2$ ----> equation B

Solve the system by graphing

Remember that the solution of the system are the intersection points both graphs

using a graphing tool

The solutions are the points (-2,0) and (0,2)

see the attached figure N 2

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