Find the sum of X + y, when x= 3.1, and y= 5.4

1 answer:

4 0

So all this is is changing the x and y variables,

In this case, x = 3.1 and y = 5.4 so,

3.1 + 5.4

3 + 5 = 8

.1 + .4 = .5

8.5

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Answer:

The second option (see attached image)

Step-by-step explanation:

You are looking for a box diagram that represents 9 units, and from those, clearly marked sections that contain 3/2 = 1.5 units.The idea is to count how many 1.5 units you have in 9 units.

The in the second diagram you see 9 boxes subdivided in half. Then outlined in red other smaller boxes of length 1.5 units. We can clearly see from the diagram that there are exactly 6 of these smaller 1.5 units red boxes to produce the total 9 unit object.