Questions Asked on
July 18, 2017

  1. Chemistry

    Classify the substances as atomic elements, molecular elements, molecular compounds, or ionic compounds. CO2, HCl, Al2S3, Cd, F2,Ag,O2,NaCl

    asked by Jess
  2. Biology

    What would happen if the gametes forming a zygote is diploid?

    asked by Emma
  3. Math

    A box contained apples,oranges and pears.3/5 of the fruits were apples and 1/4 of the fruits were oranges.What fraction are the pears?

    asked by Sumi
  4. Math

    Use the digits of your birthday as the amount of your initial investment (i.e., 6/25 is $625), calculate the value of this investment after 10 years at 3.5% APR for interest compounded yearly, quarterly, monthly, and daily. What do you notice?

    asked by Otrava
  5. Teaching

    1) T/F. Although there are many benefits in parents and teachers working together, research shows no change in children's learning when parents are involved. False 2) T/F. An appropriate approach to the initial conference at the beginning of the school

    asked by Anonymous
  6. slope-intercept equation

    Write the​ slope-intercept equation of the function f whose graph satisfies the given conditions. The graph of f is perpendicular to the line whose equation is 2x-5y-10=0 and has the same​ y-intercept as this line. The equation of the function is?

    asked by Mike
  7. Physics

    A ship sails north at 15 km/h but drifts westward with the tide at 8 km/h. What is the resultant velocity of the ship? Help me Please

    asked by BogartxPinky
  8. math

    mass of earth is 5.97x10^24kg. and mass of moon is 7.35x10^22kg what is the total mass

    asked by monisha
  9. Chemistry

    According to the following reaction, how many grams of tetraphosphorus decaoxide are required for the complete reaction of 26.5 grams of perchloric acid (HClO4)? perchloric acid (HClO4) (aq) + tetraphosphorus decaoxide (s) ---> phosphoric acid (aq) +

    asked by Jasmine
  10. Calculus

    How many units should this company sell to maximize their revenue if the revenue function was -(x^2/100)+50x using derivatives?

    asked by Maddie
  11. Calculus

    Oblique tracking. A ship leaves port traveling southwest at a rate of 12 mi/hr. at noon, the ship reaches its closest approach to a radar station, which is on the shor 1.5 miles from the port. if the ship maintains its speed and course, what is the rate of

    asked by Summer
  12. geometry

    A 27 ft ladder leans against a wall at an angle of elevation of 47°. How high off the ground does the top of the ladder touch the wall?

    asked by Anonymous
  13. math

    Steven is moving to another city next weekend and wants to rent a moving truck. The rental rates for two companies in his area are shown below. Each company charges an initial fee for renting the truck, plus an additional amount per mile. Calculate how

    asked by Ashley
  14. math

    Jerome will be buying a used car for ​$9 comma 0009,000 in 22 years. How much money should he ask his parents for now so​ that, if he invests it at 99​% compounded continuouslycontinuously​, he will have enough to buy the​ car?

    asked by bri
  15. Algebra 1

    A salesman starts a trip with 15 gallons of gasoline in his tank. After traveling 220 miles he has 10 gallons of gasoline in his tank. Model this relationship with a linear equation relating the number of miles you can travel to the remaining gallons of

    asked by William
  16. Algebra

    A salesman starts a trip with 15 gallons of gasoline in his tank. After traveling 220 miles he has 10 gallons of gasoline in his tank. Model this relationship with a linear equation relating the number of miles you can travel to the remaining gallons of

    asked by William
  17. English

    The length and breadth of a rectangular garden are 40m and 25m respectively. There isa footpath of uniform width around the garden in its inside . of the area of the footpath is 126 square metre, what is its width?

    asked by Firdousekarumpil
  18. Quadratic Equation - Henry

    Hoping Henry can help on previous prob. A ball is thrown upwards from a roof top, 80ft above the ground. It will reach a maximum vertical height and then fall back to the ground. The height of the ball from the ground at time T is H, which is given by H=

    asked by Mike
  19. math

    If you put 200 tagged fish in a pond, then collect a sample of 50 and 8 of them are tagged. How many fish are in the pond?

    asked by Marley
  20. Science

    Josh is a passenger in a roller coaster car. At the moment, his car traveling at a speed of 2.20 m/s at height of 15.0m. If his mass is 78.75 kg, what is total mechanical energy?

    asked by Lorea
  21. college algebra

    A $136000 trust is to be invested in bonds paying 8%, CDs paying 7%, and mortgages paying 10%. The bond and CD investment must equal the mortgage investment. To earn a $12040 annual income from the investments, how much should the bank invest in bonds?

    asked by Anonymous
  22. math

    if one root of the quadratic equation is 3+2root2 then what will be the other root?

    asked by abhishek
  23. maths

    two cars start to drive around two Km trackat the same time.carX MAKES ONE lap every 80second,while CarY make one lap every 60second. How long will it take for two cars to be at their starting position again?give answer in minutes.

    asked by tim
  24. Math

    4th and 7 terms of a G.P. are 1/18 and -1/ 486 respectively. Find the G.P. My solution: ar^3=1/18.... eq no1 ar^6=-1/486...eq no2 ar^6/ar^3 = -1/486÷1/18 r^3=-1/27 r=-1/3 Place this value in equation 1 ar^3=1/18 a*-1/3^3=1/18 a*-1/27=1/18 a=-7/6 Required

    asked by Prachi
  25. Law

    Sam promises his son Jayden RM1000 per month if he begins his medical studies at University. Sam's sister, Abby, offers Jayden a place in his house if Jayden promises ti finish his studies. Jayden offers his girlfriend Mary RM50 per month if she will drive

    asked by Tracy
  26. poem

    Hools in the bottom,the left and the right yet,it still holds water with all its might

    asked by Anonymous
  27. Math

    Hoping Henry can help on previous prob. A ball is thrown upwards from a roof top, 80ft above the ground. It will reach a maximum vertical height and then fall back to the ground. The height of the ball from the ground at time T is H, which is given by H=

    asked by Mike
  28. Civics

    What is the impact of the naturalization process on the U.S.? I just need suggestions

    asked by Anonymous
  29. American History

    What were some of the social and political changes of the 1960s?

    asked by Chris
  30. math

    Mr usher is 184cm tall and his sister sarah is 5/8 as tall as him. How tall is sarah

    asked by fxggcyc
  31. American History

    How did the election of 1964 capture the changing views of Americans? Wasn't it that LBJ ran on an anti-war platform, which means that the American people were sick and tired of the war?

    asked by Alec
  32. Physics

    A vector has a magnitude of 3.50m and points in a direction that is 145 degree counter wise from the x-axis. find the x and y components

    asked by Madi
  33. Math

    A jug can hold 3 times as much juice as a mug if the jug can hold 2 L of juice how much juice in liters can the mug hold

    asked by Alfred
  34. algebra

    one half of a number decrease by 16

    asked by nelson
  35. American History

    How does Goldwater's conservative vision for America compare to Johnson's "Great Society"?

    asked by Chris
  36. tudelft

    Consider p-type silicon in thermal equilibrium with an intrinsic carrier concentration ni=1.5xE10 cm-3 and a hole concentration of Po=3.0xE16 cm-3 . The lifetime of the minority carrier electrons is Tno=3.0xE-17. Calculate the recombination rate of

    asked by mame
  37. math

    If 3/x= 6, then x-1= I tried to solve for x and got 2, but 3/2 does not equal 6??

    asked by melanie
  38. college history

    What were the events in Germany, Russia, and Ireland after World War I? My history textbook does not discuss the question at all. Please help. I need to know the answers in preparation for the test I have tomorrow. Thank you.

    asked by Sarah
  39. Math

    The probability of drawing a peppermint candy out of a jar of 25 candies is 1/5. How many more peppermint candies should be added to the jar in order to increase the probability of drawing a peppermint candy to 1/3? (A) 5 (B) 10 (C) 15 (D) 30

    asked by Gina
  40. maths

    A group of students decide to attend a concert. The cost of renting a bus to take them to the concert is $450, which is to be shared equally among the students. The concert promoters offer discounts to groups arriving by bus. Tickets normally costs $59

    asked by unowen
  41. Math

    Two planes start at 11AM from two airports 1800 miles apart, and fly toward each other at average rates of 200 and 250 miles per hour. the time at which they pass each other will be? (A)4:30 PM (B)2:30 PM (C)2 PM (D)3 PM

    asked by Bom B
  42. Math

    If the diameter of a circle P is 40 percent of the diameter of circle Q, then the area of circle P is what percentage of the area of circle Q? Not enought information given right?

    asked by melanie
  43. statistics

    Suppose a multiple choice test has 20 questions with each question having 4 choices, only one of which is correct that is %25. suppose an unprepared student writes the answers, each time randomly picking on the 4 choices. what is the probability that the

    asked by Nora
  44. Geometry

    How to post a geometry question with picture?

    asked by Lauren