Algebra
2.5 hours
Algebra
Two trains leave Raleigh at the same time, one traveling north, the other south. The first train travels at 50 miles per hour and second at 60 miles per hour. In how many hours will the trains be 275 miles apart?
Algebra
A ship travels from New York to southampton, england at 33 miles per hour. A plane traveling 605 miles per hour takes 104 hours less time to make the same trip. How far apart are the two cities?
Physics
A non-rotating spherical planet with no atmosphere has a mass M and radius R. A particle is fired off from the surface with a speed equal to 3/4 the escape speed. Calculate the farthest distance it reaches (measured from the center of the planet) if it is fired tangentially. I...
Physics
A non-rotating spherical planet with no atmosphere has a mass M and radius R. A particle is fired off from the surface with a speed equal to 3/4 the escape speed. Calculate the farthest distance it reaches (measured from the center of the planet) if it is fired tangentially. I...
Calculus
3^2/3^4 I did this through my calulate and I came up with 1/9, but that is not the correct answer. I'm not sure what to do?
7th grade math vocabulary
I need a math vocabulary work that begins with a J
math
Betty has nine pink ribbons and eight blue ribbons. What fraction of Betty's ribbons are pink? *I am trying to teach my little brother how to do this. How can you write it so i can tell him how to answer the other problems to? I don't just need the answer pelase.
HSM 220 Creating a Budget
I had problems too, but somehow figured it out. Take the first amount, such as the rent at $125,000. Multiply 60% times the 125,000 for the basic skills and multiply 40% times the 125,000 for the vocational. Therefore 75,000 for basic, and 50,000 for vocational. Do this for al...
science
What layer of the atmosphere acts like a giant magnet? What does it attract?
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