Physics
A boat must cross a 260-m-wide river and arrive at a point 110 upstream from where it starts. To do so, the pilot must head the boat at a 45 degree upstream angle. THe current has speed 2.3 m/s. a) What is the speed of the boat in still water? b) How much time does the journey...
Math
Thank you Ms. Sue. I put that down and it was correct.
Math
Ms. Sue could you help me with mt question I posted re interior and find exterior angle having to total 180 degrees I believe the answer would be 40 degrees
Math
Find x in triangle Exterior is 120 degrees and 20 degrees Find interior x 180 degrees total
Math
Okay , that makes sense .
Math
3/5 came from the probability of drawing White marbles. I am not sure about the (2/4)
Math
Can somebody help me solve this problem ? I am not so good with probability. - A bag contains 2 green marbles and 3 white marbles. One marble is drawn at random and not replaced. Then a second marble is drawn. What is the probability that the first marble is white and the seco...
Chemistry
If 225.O grams of NO react with excess NH3,how many grams of H2O are produced
Chemistry
How many grams of N2 are produced when 15.0 moles of NH3 react with excess NO
Chemistry
how many moles of NO are needed to react with 15.0 moles of NH3
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