How can we show a number increased by 2? Can you prove this using a model? If so, draw the model.
1 answer:
Answer:
x + 2
Step-by-step explanation:
Let x be the unknown number,
For making the diagram to model this problem,
Take a grid that shows x, ( shown below )
Then take a grid that shows 2.
Join these grids,
We obtain a grid, showing x + 2
Hence, the required expression that represents the given situation is x + 2
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Answer:
Step-by-step explanation:
The circumference of circle G is 2pi, which means that HJ is equal to 81/360*2pi = 9pi/20, which means that RJ is equal to 18pi/20-9pi/20 = 9pi/20. Therefore, RHJ is equal to the circumference of the area minus RJ, which is equal to 40pi/20 - 9pi/20 = 31pi/20
I hope this helps