Chem
how many grams of KMnO4 should be weighed out to give 0.100 mole?
math
Nina walked 15 yards to pauls house which rule shows how many yards nina walks for every yard pauls walks
math
If the radius of a circular wave is increasing at 2 meters/sec, how fast is the area changing when the radius is 5 meters? A)62.8 square meters per second B)25.0 square meters per second C)31.4 square meters per second D)6.3 square meters per second E) None of the above
math
If the radius of a circular wave is increasing at 2 meters/sec, how fast is the area changing when the radius is 5 meters?
science
what are three states of matter
Physical Science
A sedan weighing 4000 pounds travelling at 30mph collides head on with a compact car weighing 2000 pounds and travelling in the opposite direction at 45 mph. What is the resultant velocity of the combined vehicles?
Math
Thank you so much Ms.sue your a life saver!!!
Math
I'm trying to find the height of the rectangular pyramid
Math
The volume of it is 1125 cubic inches, the length is 18 inches, and the width is 15 inches. Can you also show me how to do because I have a test on it Monday. Thanks!
math
the pet shop owner told Jean to fill her new fish tank 3/4 full with water. Jean filled it 9/12 full . what fraction of the tank does Jean still need to fill?
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