Answers edited by Emily

• Back to user's profile
• The girl's brother stands at the edge of the Golden Gate Bridge and throws a penny upwards at 29 m/s at an angle of 34°. How long does it take the penny to fall to the water, 227m below? How far from the base of the bridge does the penny hit the water?
  
• Hess' Law can be said to be a consequence of the Law of?
  
• How do you use the chain rule to differentiate #y=1/(t^2+3x-1)#?
  
• What number is 200 less than the greatest number you can form if you are use digits 4,0,5,6 once?
  
• How do you graph #f(x) = x^2-4x+8#?
  
• What is the area of a hexagon with the side that are 1.8 m long?
  
• What is the main pigment in green plants?
  
• What are the negative and positive effects of the Industrial Revolution?
  
• What is decimal notation?
  
• What is the inverse of #f( x ) = - 6( x - 2)#?
  
• What is meant by trophic levels?
  
• What new technology made cotton "king" in the South in the 1800s?
  
• What separates the heart chambers?
  
• Who ran Mexico for decades as a dictator?
  
• How do earthworms affect the soil?
  
• How many numbers between 31 and 50 can be divided by six with no remainder?
  
• Please help. I'm not sure how to do this quickly without multiplying it all out?
  
• If Joe rides his bicycle in a straight line for 15 min with an average velocity of 12.5 km/h south, how far as he ridden?
  
• What did the Treaty of Guadalupe Hidalgo result in?
  
• How do you convert 57.2in into feet ?
  
• How do you write #2/5# as decimal?
  
• What parts of cells contain DNA?
  
• Round 3511824 to nearest ten thousand?
  
• How does diffusion affect homeostasis?
  
• The hypotenuse of a 30°-60°-90° triangle measures 6/3 inches . What is the length of the longer leg?
  
• What is the complement and supplement of 59°?
  
• How do you evaluate the expression #3x+2y+4+9y# if #x=8#, #y=4#?
  
• How would i answer this please ???
  
• Why did President Franklin Roosevelt want to offer help to the Allies?
  
• How does villi work in the small intestine?
  
• For the number 34.62 what digit is in the tenth place ?
  
• What is #24# increased by #75%#?
  
• What is an indicator? Describe what you would expect to see if one or two drops of phenolphthalein were added to solutions that were...
  
• How would a food web be affected if a species disappeared from an ecosystem?
  
• What are the Hanging Gardens of Babylon?
  
• Please help. I’m so confused... I went to the mall and bought a shirt on sale for $30. I paid 75% of the original price. What was the original price of the shirt?
  
• What's another word for ionic compound?
  
• "There are three kinds of lies : lies, damned or white lies and statistics"- explain?
  
• What is the equation that passing through (1,1) and (-1,1) centred at (0,-2)?
  
• 2/3 is that a proper or improper fraction?
  
• How do you write 3^-2 = 1/9 in log form?
  
• How do you solve #16 m + 3 5 = 3#?
  
• Why is it necessary to die?
  
• A murder suspect was found 200 miles from the crime scene 150 minutes after the time of death. Assuming he actually committed the murder, how fast (in miles per hour) would he have had to drive in his getaway car? Given this information, is he a realistic suspect?
  
• What is 1/3 of a right angle?
  
• To the nearest hundredth of a foot, what is the radius of a circular sector whose area is 45 square feet and that intercepts an arc with measure 25?
  
• What are two storage organelles?
  
• What is the range of the data: 99.7, 101.8, 103.6, 98.6, 100.2. 102.9?
  
• Why copper can be drawn out into long,thin wire?
  
• What is the path blood follows through the pulmonary circulation loop?
  
• How would I find the distance of a star in parsecs and light years if parallax is known? For example, Sirius, the brightest star in the sky, has a parallax of 0.379 arcsec. What is its distance in parsecs? In light years?
  
• What three phases make up interphase?
  
• How do you solve #2x ^ { 2} + 5x + 6= 8#?
  
• What is the area of an equilateral triangle with a perimeter of 6 inches?
  
• Question #f755e
  
• Joel has an MP3 player that randomly selecs a song for him. The MP3 player has 2 classical songs, 13 rock songs, and 5 rap songs on it. What is the probability of picking either a rock or classical song?
  
• For a diploid human cell, state how many copies of each chromosome are present in each cell (or soon to be daughter cell)? a) start of mitosis b) end of mitosis c) start of meiosis d) end of meiosis e) end of meiosis ll
  
• Changes in DNA are not always considered negative but when the DNA of an organism has a change in it, this is described as a?
  
• What controls the pulse rate?
  
• A rectangle has a perimeter of 28 inches. The length of one pair of sides is 8 inches per side. What is the length of each of the other sides?