Gracy

Popular questions and responses by Gracy
  1. statistics

    a die is rolled 7 times. find the probability of getting at least one 3.

    asked on October 15, 2011
  2. Math Analysis -graphical method

    a bakery makes both cakes and cookies. each batch of cakes reqire 2 hours in the oven and 3 hours in the decorating room. each batch of cookies need 3/2 hours in the oven and 2/3 of an hour decorating room. the oven is available no more than 15 hours a a

    asked on April 21, 2012
  3. mathmatical analysis

    a loan of 4000 was repaid at the end of 10 months with a check for 4270. what annual rate of intreste was charged.

    asked on February 5, 2012
  4. Chemistry

    reaction between sulfur and oxygen is S+O2 = SO2. how much sulfur is in the original materials, would result in 1000g of so2

    asked on October 14, 2011
  5. science

    A lamp consumers 1000 J of electrical energy is 20 seconds .What is its power?

    asked on March 11, 2019
  6. science

    A sound wave travels at a speed of 340 m/s. If the wave lenght of wave is 1.4 km. What is the frequency of the wave?

    asked on March 11, 2019
  7. MATH

    The decimal 4.25 is between which two integers? A. between -2 and +4 B. between -1 and +3 C. between -1 and +4 D. between -1 and +5

    asked on May 31, 2016
  8. math analysis

    how many faculty of each rank should be hired at each college to exactly meet the demand for sections and completely exhaust the salary budget Rank table. Lecture. Instrutor Section taught. 3. 4 annual salary. 20. 25 (Thousands $) Table. Community college

    asked on March 15, 2012
  9. Chemistry

    asked on October 16, 2011
  10. Chemistry

    you have 505mL of a .125 M HCl solution and you want to dilute it to exactly .100. How much water should you add? I got (.125M)(505mL)=(.100M)(Vf)= 631.25. But on my answer sheet they got 126 mL of H2O???? I don't know how she got it.

    asked on October 15, 2011
  1. mathmatical analysis

    TRAP is a trapezoid and XY is the median find the length of TP R A is 22.6 x Y is 45.36 T P

    posted on February 5, 2012