08/05/25

Solving system of two linear equations
Which method would you choose to solve the following system of equations? Solve it.y=2x+1 (1)3x+y=7 ​ (2)
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10/22/22

Calculate the maximum mass of water that could be produced by the chemical reaction. Be sure your answer has the correct number of significant digits. 
Gaseous ethane CH3CH3 will react with gaseous oxygen O2 to produce gaseous carbon dioxide CO2 and gaseous water H2O. Suppose 0.90 g of ethane is mixed with 1.92 g of oxygen. Calculate the maximum... more
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09/14/22

Find the height h (in m) where the water strikes the building.
Water from a fire hose is directed toward a building as shown in the figure below. The water leaves the hose at a speed of vi= 40.0 m/s and at an angle of 𝜃i= 39.0° above the horizontal. The base... more
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09/08/19

Pre calculus hw

Given f(x)=3x^2+2x-10 and g(x)=3x-3 if g(f(x))=2 x=?
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