physics
Determine the resulting temperature when 150g of ice at 0°C is mixed with 300g of water at 50°C
physics
How much heat is absorbed by an electric refrigerator in charging 2 Kg of water at 15°C to ice at 0°C?
Math
you put y on one side so its x=3-y then substitute that into the bottom equation. so you get 3(3-y)+2y=2 which is 9-3y+2y=2 then just solve for y. y=7
Semicolon
Marielle, the coordinator, was eager to begin the speeches, awards presentation, and banquet, but the guest speaker, who was flying to Chicago, had not arrived. Do I need a semicolon in this sentence?
statistics
115,200
chemistry
If you were given an unknown solution, write the steps that would be needed to prove that a solution contained phosphate.
chemistry
I am so confused GIVE ME THE ANSWER
Scince
How do you think you could increase the purity of the nitrogen gas?
physics
A projectile was fired at 35 degrees above the horizontal. At the highest point in its trajectory its speed was 200 m/s. If air resistance is ignored, the initial velocity had a horizontal component of 0. How is this possible? Someone explain it for me please. ty
Math 5th grade
how is the number of zeros in the quotient of 420 divided 7 = 60 related to the number of zeros in the dividend
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