Questions Asked on
July 26, 2018

  1. Science

    A study demonstrates that treatment of peptic ulcers with antibiotics results in improvement in a large number of patients. This implies that A. antibiotics neutralize stomach acid. B. these ulcers are caused by a bacterial infection. C. pressure ulcers

    asked by Jeen
  2. Math

    Find the centroid of the area in the first quadrant bounded by the curve y=e^-x and the axes and the ordinate x=ln5

    asked by Elizabeth
  3. science

    Independant variable: Temperature of the room (three temperatures) Dependant variable: Length of the candle after it has burned for 30 minutes Constants (control variables): Type and length of candle, diameter of candle, and time that the candle is allowed

    asked by Anonymous
  4. Physics

    A 28 g block sits at the center of a turntable that rotates at 60 rpm. A compressed spring shoots the block radially outward from the center along a frictionless groove in the surface of the turntable. Calculate the turntable's angular speed when the block

    asked by BBell
  5. Maths literacy, Life sciences, agriculture & busin

    What courses & career can I do with these subjects?

    asked by Kgopotso
  6. Math

    Mr. Brown owned a house which he rented for $60 a month. The house was assessed at $9000. In 1975 the rate of taxation was increased from $25 to $28 per $1000 assessed valuation. By what amount should the monthly rent have been raised to absorb the

    asked by Jessica
  7. Math

    A water tank can hold 56 5/7 litres of water. How much water is contained when it is 2/5 full?

    asked by Joel
  8. chemistry

    What volume of 0.1M Of sulphuric acid is needed to neutralize 100cm³ of a solution of sodium carbonate of mass concentration 20gram over dm³

    asked by Denis
  9. science

    What volume of 0.1M Of sulphuric acid is needed to neutralize 100cm³ of a solution of sodium carbonate of mass concentration 20gram over dm³

    asked by Denis
  10. Arithmetic series

    Suppose you are given the arithmetic sequence 3,6,9,...,99.What is the sum of the terms of this sequence?

    asked by Joshua
  11. Scince

    the density of gold bar is 19.0 g cm⁻³ when a hole of volume 1.0 cm³ is drilled into the bar , density of the gold bar will be

    asked by Arif
  12. Math

    A body of mass 3kg moving at 15m/s collides with another body of mass 5kg moving at 26 m/s in the same direction. After collision the 5kg body moves at 39.8m/s in the same direction. Find the velocity of the 3kg body after collision

    asked by Anosah Godfred
  13. math

    -2x(x+3)-(x+1)(x-2)=

    asked by kelly
  14. Math

    mike can complete a project in 60 minutes, and if mike and walter both work on the project, they can complete it in 40 minutes. how long will it take walter to complete the project by himself?

    asked by crystal
  15. Math

    This week Bob puts gas in his truck when the tank was about half empty. Five days later, Bob puts gas again when the tank was about three fourths full. If Bob bought 24 gallons of gas, how many gallons does the tank hold?

    asked by Chim
  16. English

    How is the underlined pronoun used in the sentence? Grandma and WE eat dinner together every Monday. A.possessive B.direct object C.subject D.predicate nominative Think the answer is A

    asked by God is Good
  17. Math

    A water tank can hold 56 5/7 litres of water. How much water is contained in the tank when it is 2/5 full?

    asked by Joel
  18. Science

    Topic: Candles I was given a task to write an introduction for a report and according to the marking rubric, it must "justify the purpose of the investigation with relevance to real world applications with sources cited. Provides sufficient relevant

    asked by Anonymous
  19. math

    Richard went shopping and bought a pen, a book and a magazine. The magazine cost ¼ of a book. The pen cost 1/3 of the magazine. If he spent 734.40 pesos, how much did he spend for the pen?

    asked by arvin
  20. science

    I have been given the task to prove a hypothesis by conducting an experiment. Hypothesis: A candle will burn slower in a cooler environment. Independant variable: Temperature of the room (three temperatures) Dependant variable: Length of the candle after

    asked by anonymous
  21. English

    How does the mother react when she realizes that the ship is sinking? A.She is in a state of shock and doesn't say anything and refuses to move. B.She is hysterical and screams and cries for someone to save her family. C.She is strong at first and comforts

    asked by God is Good
  22. Math

    1+2

    asked by Nabs
  23. science

    define combustion?

    asked by Foster
  24. math

    (5^-2x^-1)/(x^4y^2)

    asked by idk