Open Question: Make a list of steps or instructions you would use to isolate the variable in the equation 3( x + 4) = 18?
3x + 12= 18
subtract 12 from both sides
3x=6
divide each side by 3
x=2
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Open Question: physics change in variable questions?
(Linear expansion of steel is a = 12 x 10-6 /C°)
2. A pan full of water has a volume of 3.8 liters at 2 °C is heated to 98 °C without boiling, what is the change in volume of the water? (Volume expansion of water is ß = 207 x 10-6 /C°)
3. A square hole is cut out of a sheet of aluminum, the hole has a length and width of 10.000 cm (A = 100.000 cm2) when it is starts out, the sheet is cooled down to room temperature (20 °C) and the new area is 97.8044 cm2) , what was the original temperature of the aluminum sheet? (aAl = 23 x 10-6/°C)
thank you in advance
Open Question: The random variable x is normally distributed with a mean of 75 and a standard deviation of 15.0?
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