Most popular questions and responses by Nnn
  1. stats

    if the relation between x and u is 3x + 4u + 7 = 0 and the correlation coefficient between x and y is -0.6, then what is correlation coefficient u and y a)-0.6 b)0.8 c)0.6 d)-0.8

    asked on October 20, 2015
  2. chemistry

    The mole fraction of CO2 in a certain solution with H2O as the solvent is 3.6 × 10−4. The molality of CO2 in this solution is about: A. 0.00036 m B. 0.0065 m C. 0.020 m D. 2.0 × 10−5 m E. 6.5 m

    asked on March 31, 2010
  3. MATH

    44. Expand and simplify the following product, using the distributive property. (x + 2) (x +1)

    asked on December 31, 2018
  4. Math

    Challenge Write a 6 - digit number that has a 5 in the ten thousand place , a 3 in the thousands place ,a 4 in the tens place , and one digit that is 0.underline the 5,3,4,and the 0 in your number .is this the only number you could have written ? Expllain

    asked on September 13, 2014
  5. Math

    A media company divides 1 million copies of a new music CD into 100 equal groups before sipping the CD to 100 stores .how many CDs is the company shippi ng to each store? Please help me , i don't know the answer. Write the value of the underlined digit.

    asked on September 8, 2014
  6. sociology

    Focus of the Research Paper Select one social institution family, health-care, religion, education, mass media, political, or economic (family being my choice) as defined in the text. Using the three Sociological theories listed in chapter one of the text

    asked on August 7, 2010
  7. Languag

    🔸Identify the complete and simple subject in each sentence. 1- Tapestries often show scenes from history. Answer: complete and simple subject is (Tapestries) 2- Students in our class saw a tapestry at the museum. Answer: complete sub: (Students in our

    asked on October 10, 2015
  8. Math

    Write the value of the underlined digit. 37,295,810 Underline number(7) Answer: 7,000,000 496,021,795 Underline number (first 9) Answer: 90,000,000 638, 912,004 Underline number(6) Answer: 600,000,000 385,526 Underline number (second 5) Answer: 500 Write

    asked on September 9, 2014
  9. math

    Write the prime factorization using exponents of each number .Then find the greatest common factor (GCF)of the numbers. 1\24.............. 36.............. 2\21.............. 56.............. Please,,help me.😞 I tried to solve the problems but don't I

    asked on September 8, 2015
  10. Statistics

    I need some help on how to write constraints. For example, I don't get how to do these problems and write a constraint for them: 1) A food store owner buys turkeys and hams. The owner plans to purchase at most a total of 50 products. Write a constraint. 2)

    asked on July 27, 2014
  11. Science

    Give 2 examples for sources of electricity?

    asked on April 5, 2014
  12. chemistry

    i figured out the shape of this elements. Are the correct or wrong? A)CS_2 Linear B)BrF_4{-} Square Planar C)ICl_3 T shaped D)CIO_3{-} Square Planar E)SeO_3 Planar Triangular

    asked on April 20, 2010
  13. math

    if the relation between x and u is 3x + 4u + 7 = 0 and the correlation coefficient between x and y is -0.6, then what is correlation coefficient u and y

    asked on October 20, 2015
  14. science

    how many of its photons are required to ionize atomic hydrogen? Einstein quote for Lenard’s measurement of the “largest effective wavelength for air”=190 nm,, For this problem, take the energy of the ground state of the hydrogen atom to be

    asked on April 28, 2015
  15. Math

    Multiply a 3- digit number by a 1- digit number 1/in a package of pencils , 8 are yellow and 4 are blue . How many yellow pencils are in 426 packages? The answer: 4+8=12 12*426= 5,112 2/ A single pencil can draw a line equal to the length of 616 football

    asked on March 31, 2014
  16. chemistry

    which on of them are polar and non polar? PBr_3 SO_3 AsCl_3 ClF_3 BCI_3 Cl is chloride

    asked on April 20, 2010
  17. Math

    Please ,look the Q and answers (Nnn) ..

    asked on September 7, 2014
  18. Math

    "How big is 1 million? How many ones are there in 1,000,000? Answer1: 1 Answer2: 1000,1000 How many hundreds are there in 1 million ? Answer1: 10,000 Answer2: 100 How many hundred thousands are in 1 million ? Answer1: 10 Answer2: 100,000 How many ten

    asked on September 7, 2014
  1. English


    posted on May 9, 2019
  2. Physics

    Given force F = 120 N the angle theta = 20 degrees here the vertical component of the tension in the sting is T sin theta which is equal to the force applied that is T sin theta = 120 T = 120/si20 N t = 350.85 N now the weight mg = T m = T / g m = 350.85

    posted on December 13, 2017
  3. Physical Science

    for rate 4.5 L/min and radius r = 1.1 cm Given rate of blood pumped from the heart is = 4.5 L/min we know that 1 L = 1000 cm^3 the flow rate in cm^3/s , by heart is = 4.5*1000/60 cm^3/s = 75 cm^3/!@#$%^&he area of aorta is A = pi*r^2 = pi*1.1^2 = 3.80132

    posted on November 12, 2017
  4. Chemisty

    termolecular termolecular bimolecular unimolecular

    posted on February 2, 2016
  5. science


    posted on January 13, 2016
  6. algebra


    posted on January 6, 2016

    Tom the cat is chasing Jerry the mouse across the surface of a table 1.4 m above the floor. Jerry steps out of the way at the last second, and Tom slides off the edge of the table at a speed of 5.4 m/s. Where will Tom strike the floor?

    posted on October 17, 2015
  8. Physics


    posted on January 29, 2014
  9. Physics


    posted on January 29, 2014