Dayana

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

2. Civics

How many states were in the Union in 1888?

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% ******

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

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)

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

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...

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.

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

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!!??!!

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

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.

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?

14. math algebra

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

15. algebra

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

1. math

what number is 100 less than 547

posted on January 16, 2018
2. physics

9.467*10*15

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

5.1

posted on October 7, 2016

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