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cesar566
23.09.2019 •
Mathematics
Plzz me
solve for x
2x -2 =0
Solved
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Ответ:
x = 1
Step-by-step explanation:
2x -2 = 0
you make the 2 positive and add it to the zero like this
2x = 0
+2
than you get 2x =2
that divide 2x by 2 and its 1
and it will be x=1
Ответ:
Explanation:
The measure of how fast the wrestler gained weight, in kg per month, is the weight gain rate.
The table is:
Time (months) Weight (kg)
0.5 80.6
2 88.4
3.5 96.2
The weight gain rate, WGR, for a period may be calculated as:
WGR = [ weight gain ] / [period]WGR = [final weight - initial weight] / [final time - initial time]WGR₁ = [88.4 kg - 80.6 kg] / [2 month - 0.5 month] = 7.8 kg / 1.5 month = 5.2 kg / monthWGR₂ = [96.2 kg - 88.4 kg] / [3.5 month - 2 month] = 7.8 kg / 1.5 month = 5.2 kg / month.As you see, the wrestler gained weight at a constant rate of 5.2 kg per month.