What is 2 and 3/5 plus 5 and 3/5?

2 answers:

7 0

2 3/5= 10/5 + 3/15= 13/5= 2.6
5 3/5= 25/5 + 3/5= 28/5= 5.6

or

2 3/5+5 3/5= 7 6/5= 8 1/5

I really confuse is one or the other :P

kodGreya [7K]3 years ago

4 0

The answer is 8_1/5 add the whole numbers 2+5 now add the fractions 3/5+3/5=6/5 and 6/5= 1_1/5 now add the whole to the 7+1=8 and now simply put the fraction in there and get 8_1/5.

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Give the center, radius, and equation of the circle in the graph.

dexar [7]

Answer:

$(x-2)^2+(y+3)^2=4$

Step-by-step explanation:

A circle's equation consist on the following expression: $(x-a)^2+(y-b)^2=r^2$ , where r is the magnitude of the radio, and (a,b) are the coordenates of the center of the circle.
In this case, a=2 and b= - 3, because the circle is centered in (x,y)=(2, - 3).
The radio, which is the distance between the center of the radio to any point in its border, equals r=2 (because of the scale of the graphic, in this case two squares of the grid equal 2 units, then r=2).
Finally, using the previous information to replace in the equation $(x-2)^2+(y+3)^2=4$ , where the fact that r=2 and $2^2=4$ was used.