Leah sent 574 text messages last week. Write and solve an equation to find, on average, how many messages she sent each day?

1 answer:

3 0

I’ve attached a photo of the workings but the answer is 82

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lesya [120]

Answer:

56/3 pi cm^3

Step-by-step explanation:

1/2 volume of sphere = 1/2 4/3 pi r^3

volume of cone 1/3 pi r^2 h

r =2 h = 10

result : 56/3 pi cm^3

6 0

1 year ago

koban [17]

600 is the answer to the question

7 0

3 years ago

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.