Jannie

Most popular questions and responses by Jannie
  1. statistics

    a brand name has a 50% recognition rate assume the owner of the brand wants to verify that rate by beginning with a small sample of 5 randomly selected consumers the probability that exactly 4 of the 5 consumers recognize the brand name

    asked on July 13, 2014
  2. Physics

    A projectile is launched from ground level to the top of a cliff which is 195m away and 135m high (as shown in the figure ).If the projectile lands on top of the cliff 6.9s after it is fired, find the initial velocity of the projectile a)magnitude

    asked on September 12, 2009
  3. physic

    1. A surface charge can be produced on insulators by a. grounding b. induction c. polarization d. contact 2. Unlike insulators, conductors can be charged by a. grouding b. induction c. polarization d. contact The easy way to charge an insulator is by

    asked on March 29, 2007
  4. Maths

    When the numerator and denominator of a fraction are each increased by 5, the value of the fraction becomes 3/5 When the numerator and denominator of that same fraction are each decreased by 5, the fraction is then 1/5 Find the original fraction. (Hint:

    asked on November 13, 2010
  5. Maths

    I have 50 coins, some 10c and the rest 20c. Altogether they total $8.20. How many of each coin do I have?

    asked on October 12, 2010
  6. Chemistry

    What mass of magnesium, Mg, contains the same number of atoms as 12g of Carbon, C Could you please show the method too Thanx :)

    asked on March 7, 2011
  7. maths

    In a test there were 25 multiple-choice questions. They were marked as follows: 2 marks for each correct answer 0 marks for a non-attempt -1 mark for an incorrect answer. Sarah attempted 4 5 of the questions and received 22 marks. How many questions did

    asked on October 15, 2010
  8. Maths

    Multiple-choice questions in a test are graded by adding 2 marks for each correct response and subtracting 1 mark for each incorrect response (including no response). Rory and Jenny answered all the multiple-choice questions, with Rory scoring 27 and Jenny

    asked on November 17, 2010
  9. maths

    Two hikers begin walking towards each other from an initial distance of 20 km apart. Hiker P averages 4 km/h while hiker Q averages 6 km/h. When and where do they meet?

    asked on October 13, 2010
  10. Maths

    The product of two consecutive positive numbers is 42 Find the numbers Please write this problem in quadratic equation form please

    asked on April 5, 2011
  11. Maths

    A certain number is halved, then increased by 3. The result lies between 5 and 7. Between which two values does the number lie? Write an inequeality for this?

    asked on October 23, 2010
  12. maths

    In a test there were 25 multiple-choice questions. They were marked as follows: 2 marks for each correct answer 0 marks for a non-attempt 1 mark for an incorrect answer. Sarah attempted 4 5 of the questions and received 22 marks. How many questions did she

    asked on October 12, 2010
  13. Maths

    The sum of three consecutive numbers is 51. Find the largest number. Also write the equation to solve the problem

    asked on October 7, 2010
  14. Chemistry

    Find the mass of oxygen gas needed to react with 0.2 moles magnesium and the mass of the product? Working out please

    asked on April 12, 2011
  15. Maths

    A company employs 4 times as many unskilled workers as it does skilled workers. Unskilled workers earn $650 a week, and skilled workers earn $850 a week. The weekly wage bill for these workers is $17 250. How many skilled and unskilled workers are there?

    asked on November 13, 2010
  16. Maths

    A hall has 1325 seats. These are arranged in rows of 35 seats or 40 seats. The ratio of 35-seat rows to 40-seat rows is 3 : 4. How many rows are there? Simultaneous equation please

    asked on November 13, 2010
  17. Maths

    Two sides of a triangle are 10 cm and 15 cm. What is the range of possible lengths for the third side? Write inequality?

    asked on October 23, 2010
  18. english

    What is the difference between definate and indefinate articles

    asked on October 8, 2010
  19. Math

    A bowl contains 100 green and red m&ms. For every 3 green you have 7 red pieces of candy. How many green m&ms are in the bowl?

    asked on December 4, 2014
  20. Maths

    A taxi driver averages $15 per trip. He pays $150 per day to the cab company to hire the taxi. How many trips must he make in a day to have at least $120 at the end of his shift? (Ignore the cost of fuel.) Write inequality?

    asked on October 23, 2010
  21. Maths

    A rectangle has length 2y and width y+ 2. Its perimeter is less than 50 cm. What are possible values for y ? Write inequality?

    asked on October 23, 2010
  22. Shapes

    Find the pronumeral. In a parallelogram the 4 angles are (3m+16), (4n-16), 68 and 68. Find the pronumeralsm and n and write the equation for the problem

    asked on October 12, 2010
  23. Math

    Construct the triangle CAB with angle CAB 60 degree with AB 8cm and AC 9cm

    asked on October 29, 2017
  24. maths

    The linear equation F=ac + b is used to change temperature from degrees Celsius (°C) to degrees Fahrenheit (°F). Given that 0°C = 32°F and 100°C = 212°F, calculate the constants a and b.

    asked on November 13, 2010
  25. Maths

    Our team scored 115 points in the last 5 football games. How many points must we score in the next 5 games so our average points per game is greater than 25? Write inequality?

    asked on October 23, 2010
  26. Maths

    How must $59 be shared between Michael and Matthew so that Michael’s share is $4 less than twice Matthew’s share?

    asked on October 6, 2010
  27. Maths

    A truck is loaded with two different types of crates. When 20 of crate A and 25 of crate B are loaded, the truck’s 8 tonne capacity is reached. When 2 of crate A and 16 of crate B are loaded, the same capacity is reached. Calculate the mass of each

    asked on November 13, 2010
  28. Maths

    In a triangle the angles are (x + 9)°, 3x ° and (2x + 3)°. Find the smallest angle.

    asked on October 5, 2010
  29. Reading

    my son in 4th grade has to write a poem using stanza form and must use his mentor text. What is mentor text?

    asked on October 20, 2008
  30. bio

    why would the population of lions or pumas increase over time? would would affect this increase. For example if in 1975 there were 5 pumas in one area why wouls there be 28 in the year 2008

    asked on September 12, 2007
  31. Maths

    Find the angle, in degrees and minutes, that a straight line makes with the positive direction of the x axis if its gradient is 0.853

    asked on May 19, 2011
  32. Maths

    Suppose you were to leave $100 to be equally divided between your great great grandchildren 100 years from now. Given that you can secure annual interest at 6% pa, what would this amount be? Find the compound interest, compounding monthly? Please show all

    asked on February 7, 2011
  33. Maths

    The length and width of a rectangle are in ratio 11:7. If its perimeter equals 144m, find the length and width?

    asked on October 22, 2010
  34. Maths

    What is the perimeter formula for an equilateral triangle?

    asked on October 12, 2010
  35. Science, Technology and Culture

    I have to create a case study on The Impact of technology on telecommunications. I do not know where to start or what a case study looks like. I have to have two sources that are interviews. I work for a AT&T Call Center but I don't know how to make a case

    asked on November 11, 2009
  36. Maths

    Con has twice as much money as Fiona. If Fiona earns an extra $15, Con will only have one-and-a-half times her amount. How much money does each person have? Simultaneous equations

    asked on November 13, 2010
  37. Maths

    If the numerator and denominator of the fraction 4 9 are both increased by a certain value, m, the fraction then becomes equal to 3 4. Calculate this value.

    asked on October 12, 2010
  38. Angles

    What are alternate angles?

    asked on October 12, 2010
  39. English

    What does it mean by Australia's success is riding on the sheep's back?

    asked on October 11, 2010
  1. algebra

    you make a table of values and then you graph the line. The line could be either straight or curved.

    posted on October 5, 2010
  2. english

    She's a very capable person

    posted on May 29, 2008