xander252577
29.01.2020 •
Mathematics
Xdivided by 3 equals negative seven divided by 12
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Ответ:
x/3 = -7/12
Well, first thing's first, we need to get rid of these pesky denominators! Multiply both sides by 12:
12x/3 = -7*12/12
This turns into:
4x = -7
Divide both sides by 4:
x = -7/4
-T.B.
Ответ:
Step-by-step explanation:
We know that the ice rink is 1200 square meters, which means to enclose the rink we need dimensions of 20 meters by 60 meters, to have 1200 square meters of area.
Now, the boards are on the perimeter of the ice rink with dimensiosn 20 meters times 60 meters. So, its perimeter is
If each board is 2.0 meter long, that means we can divide to find the total number of boards we can have on the ice rink:
Therefore, with those dimensions, we can have 80 boards surrounding the ice rink.