Most popular questions and responses by Dayana
  1. Educational Technology

    What does it mean to say that a country's land area is positively correlated with its population? a) The larger the land area of a country, the higher its population tends to be. b) The smaller the land area of a country, the higher its population tends to

    asked on November 21, 2013
  2. Civics

    How many states were in the Union in 1888?

    asked on February 8, 2012
  3. Math

    With the stars (*) next 2 the #'s are my answers! ! ! 1) Find the percent of increase. ~ 50 to 70 20% 30% 40% ***** 50% 2) Find the percent of decrease. Round your answer to the nearest tenth of a percent where necessary. ~ 75 to 60 20% 30% 40% 50% ******

    asked on January 10, 2014
  4. social studies

    The Constitution provides for a separation of powers. What does this mean? Discuss the branches of government, their functions, and responsibilities. What were the positions of the Federalists and Anti- Federalists on the new Constitution? Provide at least

    asked on January 13, 2014
  5. chemistry

    Calculate ∆H0 for the reaction 2 N2(g) + 5 O2(g) −→ 2 N2O5(g) given the data H2(g) + 1 2 O2(g) −→ H2O(ℓ) ∆H0 f = −290 kJ/mol N2O5(g) + H2O(ℓ) −→ 2 HNO3(ℓ) ∆H0 = −77.8 kJ/mol 1 2 N2(g) + 3 2 O2(g) + 1 2 H2(g) −→ HNO3(ℓ)

    asked on March 29, 2019
  6. Algebra 1

    Tell whether a correlation is likely. If it is, tell whether the correlation reflects a casual relationship. Explain your reasoning. -the amount of time you study for a test and the score you receive -the shoe size and the salary of a teacher

    asked on February 16, 2012
  7. Algebra 1

    What is the entire balanced owed for a loan of $750 at a simple interest rate of 4% per year for 1.5 years? I just don't really know if the $750 is the interest or principle...

    asked on February 23, 2012
  8. Social Studies

    Why were the Native Americans so important in the clash between the French and British? Explain which side, French or British, received the best advantage with the Native Americans. Provide evidence supporting your reason for selecting that side.

    asked on November 15, 2013
  9. Earth Science

    Which of the following statements best describes the recharge zone of an aquifer? Thank you! A) anyplace that the water table of the aquifer meets the surface B) the boundary between the aquifer and the permeable rock above it C) an area above an aquifer

    asked on March 7, 2012
  10. Algebra 1

    A line passes through (4,2) and is parallel to the graph of x= -3. What equation represents the line in slope-intercept form? It doesn't give me enough information to turn it into slope-intercept form. HELP ME PLEASE!!??!!

    asked on February 10, 2012
  11. Math algebra 1

    The cost of renting a circular saw at a hardware store is described by the function f(x) = 25x - 10 in which f(x) is the cost and x is the time in days. If lewis has $200 to spend, what is the maximum number of days that he can rent a saw if tax is not

    asked on April 30, 2012
  12. Science

    What type of signal is measured in a sonar system to determine the depth of the ocean? A. absorption of sound waves by underwater features B. reflection of sound waves by underwater features C. absorption of electromagnet waves by underwater features D.

    asked on March 22, 2012
  13. math

    A gardener wants to create a rectangular garden with length of 8x - 4y ft. and width of 5x + 9y ft. What is an algebraic expression for the area of the garden?

    asked on July 21, 2011
  14. math algebra

    find the following product 7z (3z^3 - 2z+ 4)

    asked on July 21, 2011
  15. algebra

    The Domain of the function f(x) = [ (a, b) ( c, d) (e, f) (g, h) ] is:

    asked on July 30, 2013
  16. Math

    How about this equation just simple form?? 28-56-137+19-69+82+16-99

    asked on August 23, 2007
  1. math

    what number is 100 less than 547

    posted on January 16, 2018
  2. physics


    posted on September 18, 2017
  3. chemistry

    0.0134mol/1000=1.34×10^-5 1.34×10^-5 (6.022×10^23) =8.07×10^18

    posted on October 31, 2016
  4. physics


    posted on October 7, 2016
  5. 4th grade

    F trapazoid G square H rhombos J parallelogram

    posted on November 10, 2015
  6. social studies

    ok thnx

    posted on January 13, 2014
  7. social studies

    1) The Constitution provides for a separation of powers. What does this mean? Discuss the branches of government, their functions, and responsibilities. Answer: It basically means that the Constitution created (provided) a separation of powers, being the 3

    posted on January 13, 2014
  8. Social Studies

    help ? !

    posted on November 15, 2013
  9. Science

    Thank you.

    posted on March 22, 2012
  10. Algebra 1

    i think the first one is positive because studying can affect your test score. the second one might have no correlation

    posted on February 16, 2012
  11. try this

    that's the monster high song. the missing line is "mystery with a smile"

    posted on February 10, 2012
  12. Civics

    where's the map?

    posted on February 8, 2012
  13. Math

    not help

    posted on March 15, 2011
  14. 3rd grade math

    it help me a littel

    posted on March 15, 2011