Questions Asked on
December 27, 2019

  1. chemistry

    Consider a sample of 10.0 g of the gaseous hydrocarbon C2H6 to answer the following question: How many carbon atoms are present in a 10.0 g sample? (The question is asking for the number of carbons in the sample, not the molecule). When answering the

    asked by bella
  2. biology

    with the aid of map , describe the local biotic communities in Nigeria

    asked by Anonymous
  3. calculus

    Sketch the region enclosed by the curves x=64−y^2 and x=y^2−64. Decide whether to integrate with respect to x or y. Then find the area of the region. Area =

    asked by kind
  4. calculus

    Find the volume of the solid obtained by rotating the region bounded by y=x and y=√x about the line x=2. Volume =

    asked by girl
  5. Math

    Calculate: The first term of a linear sequence is 5 and the common difference is 3, find the 15th term of the sequence

    asked by Joshua
  6. Math

    Using ruler and a pair of compasses only construct a quadrilateral ABCD with |AB|=9cm, |BC|=10cm, |AD|=7.5cm, angle ABC =45°and angle BAD =135°

    asked by Nancy
  7. Math

    Flying against the wind, a jet travels 2340 miles in 3 hours. Flying with the wind, the same jet travels 8960 miles in 7 hours. What is the rate of the jet in still air and what is the rate of the wind?

    asked by Kayla
  8. Science

    200ml of 0.15M H3AsO4 given Ka1=10^-3 Ka2=10^-7 Ka3=10^-12 50ml of 0.6M Na2HAsO4 and 100ml of 0.1M Naish are mixed. pH of solution is

    asked by M.koteswararao
  9. Early Childhood Edu

    Activities that have no single right outcome, and no possibility of failure are called __________ activities. A experimental B free thinking C open-ended D safe result

    asked by Melody
  10. Maths

    F is a function if and only it f is one to one

    asked by Lelisa
  11. calculus

    Find the arc length of the curve y=ln(cosx) from x=0 to x=π/6. Length:

    asked by Maya
  12. calculus

    Find the volume of the solid obtained by rotating the region bounded by the curves y=x^4,y=1 about the line y=4 . Answer:

    asked by girl
  13. calculus

    Find the volume of the solid obtained by rotating the region bounded by y=x and y=x√ about the line x=2. Volume =

    asked by girl
  14. biology

    How many grams of caco3 will be formed by passing excess co2 gas through 100ml of 0.25M ca(H)2 solution?

    asked by sheeri
  15. Careers

    Geography,Life Science,Maths Lit what are possible career

    asked by Siyamcela Ndevu
  16. physics

    A force of 16 N pushes on a 8 kg cart. How fast will the cart be going when it has traveled 2m?

    asked by help
  17. Physics

    A ball of mass 8 kg falls from a height of 100 m. Neglecting air resistance, calculate it's total energy after falling a distance of 40 m

    asked by Ogoo
  18. social studies/science

    Why would the Task Force recommend that the wind farm be placed 10 nautical miles off the coast?

    asked by keyara
  19. Math

    In one year, New York received 62.51 inches of rain. In November the city received 25% of that rainfall. About how much rain did New York recieve in November?

    asked by Department Of Education
  20. science

    A student designed an investigation to answer a question. The steps the student follow during the investigation are listed

    asked by Anonymous
  21. physics

    A force of 3 N acts on a 6 kg cart. How long will it take before the cart speeds up to 4 m/s? f= 3N m=3kg i need help with the formulas. do i first find the acceleration a = f/m? i don't know the next formula, how do i find how long it takes? A cart goes

    asked by help