Posts by Lydia
Total # Posts: 265

Chemistry
Never mind. I figured it out. 
Chemistry
I have the same problem to figure out, but mine gave this equation: Na + H20 > H2 + NaOH So I was just wondering what I should do since mine aren't the exact same. 
Math
the three vertices of rectangle ABCD are A(2, 1) , B(6, 1) , C(6, 4).Find the coordinates of D. Please help me,thank you. 
Math
Find the coordinates of the midpoint of (2/3, 3/2)and (8/3, 11/2).help me please 
Math
A man will pay RM 46000 to renovate an office . If the construction materials cost 25% more and the labour costs 30% more , he will need to pay RM 58540. Find the original cost of the construction meterial and the cost of labour .(Used equation) 
World History
oh ok sorry thank you I got 100% :) 
World History
The Orthodox Jews follow religious laws to the letter. The modernday Reform Jews favor a less strict observance of Mosaic law 
World History
Did you guys read my text? I just want to make sure its the right answer 
World History
wait wouldn't it be b according to my text? 
World History
Judaism, the religion of the ancient Hebrews, is regarded as the oldest monotheistic religion. Its beginnings stretch far back into unrecorded history. Guided by philosophy and visions, the major Hebrew patriarchs and prophets wrote down the words that defined the Jewish ... 
World History
thank you 
World History
so a? 
World History
well it says that orthodox followed the mosaic law but I don't see anything about the reform jews just that they don't follow the same law 
World History
Which accurately describes the differences between Orthodox and Reform Jews? orthodox jews strictly follow mosaic law, whereas reform jews do not follow all ancient laws reform jews strictly follow mosaic law, whereas orthodox jews do not follow all ancient laws reform jews ... 
chemistry
What is a saturated solution? 
S.S.
Also, sorry about that person who had commented earlier who wasn't actually answering. I don't know who they were. 
S.S.
Awesome thanks! 
S.S.
B.? 
S.S.
Which statement best describes the framework of government established by the Constitution? A. The three branches of government defer the majority of power to the states B. A system of checks and balances keeps each of the three branches from having too much power C. The ... 
chemistry
Examine the equation. 6CO2 + __H2O ? C6H12O6 + 6O2 In order to balance the equation, what coefficient must be placed in front of H2O 4 6 12 1 please help 
chemistry
two everyday chemical reactions then after you have chosen your two everyday chemical reactions List the two reactions and their chemical equations. Also, state each reaction's type (synthesis, decomposition, displacement, or combustion). please help 
chemistry
Are Si valence electrons shared? Are C valence electrons shared? please help 
chemistry
thank you 
chemistry
Which statement correctly describes a covalent bond? The atoms' valence electrons combine to form a network of bonds. Valence electrons are transferred from one atom to the other. The atoms' valence electrons are shared between the atoms. All of the atoms' ... 
chemistry
so c and b 
chemistry
Which of the answers choices best describes John Dalton's contribution to atomic theory? he discovered to nucleus he gave future scientist a foundation for understanding how electrons move. he gave future scientist a foundation for understanding how atoms make up matter. ... 
science
In which of the following phase transitions is energy released? liquid to solid solid to gas liquid to gas solid to liquid please help 
science
Molten lava coming out of a Hawaiian volcano cools down and forms rock. Which statement best describes the flow of energy in the scenario? energy moves from lava to the surroundings energy moves from the surroundings to the lava energy stays within the surroundings ... 
science
so what are the answers? 
science
Molten lava coming out of a Hawaiian volcano cools down and forms rock. Which statement best describes the flow of energy in the scenario? energy moves from lava to the surroundings energy moves from the surroundings to the lava energy stays within the surroundings ... 
science
thank you (: 
science
A scoop of ice cream is placed on top of a warm piece of pie in a bowl. Which statements about the scenario are true? (Select all that apply.) the pies energy will destroy a portion of the ice creams energy the overall amount of energy in the bowl will neither increase nor ... 
science
Which statements best describe how the properties of gases and plasmas differ? (Select all that apply). The particles of plasmas have a higher kinetic energy than the particles of gases. Gas particles are charged while plasma particles are uncharged. Plasma particles are ... 
science
thank you 
science
liquid water has a constant density. Do you agree or disagree with this statement? Why or why not? Be sure to support your argument by using what you have learned about the states and motion of matter. please help 
science
liquid water has a constant density. Do you agree or disagree with this statement? Why or why not? Be sure to support your argument by using what you have learned about the states and motion of matter. 
science
List your own example of turning an observation into a hypothesis. Be sure to list all five steps: observation, explanation, test (independent variable), prediction (dependent variable), and hypothesis. please help 
science
thank you 
science
I know it has a control group I just don't know how to explain why 
science
Observation The trash smells. Explanation Decaying biological material causes the trash to smell. Test (independent variable) Add food scraps to one trash can along with other materials, such as plastic, cardboard, paper, and tin. To a second trash can, add only nonfood ... 
chemistry
so its only that one? 
chemistry
molecules? 
chemistry
Examine the analogy and how it compares a part to a whole. link : chain :: atom : _____ Choose the answers that best complete this analogy. (select all that apply) molecule matter compound proton please help 
chemistry
How can the concept Independent Variable v Dependent Variable apply in your life? please help 
science
What physical property is changed when a waitress pours coffee from a pot into four mugs? density color volume temperature 
science
thank you (: 
science
Baking soda is mixed with water, and no bubbles are produced. When baking soda is mixed with vinegar, it bubbles and foams rapidly. What chemical property of baking soda is shown in the scenario? 1)reactivity 2)boiling point 3)flamibility 4)color change (select all that apply) 
science
thank you 
science
Which process is an example of a chemical change? A metal railing rusting in damp weather alcohol evaporating from a cotton swab steam rising from a boiling pot of soup a piece of wood shrinking as it dries out 
science
thank you 
science
Which process is an example of a chemical change? drying clothes in the dryer chopping a tree activating a glow stick heating a cup of tea 
science
Imagine yourself making a nice cup of tea on a cold winter day. You begin by boiling some water in a kettle. Next, you add the steaming liquid to your cup. Then, you open a tea bag and repeatedly dunk it into the water. You pour a dash of milk and drop a few sugar cubes into ... 
science
thank you 
science
which items would still be classified in the same way? Which items would be classified differently? • atoms • elements • compounds • molecules • matter please help 
math
Can you please help me simplify this into one fraction? 3/(x3)  5/(x/2) Here are the options: A) 2x+9/(x3)(x2) B) 2x/(x3)(x2) C) 2x9/(x3)(x2) D) 2x+9/(x3)(x2) I think it's option D but I'm not so sure :( 
Chemistry
Please help me these are the only two I have left. 17. If the solubility of a gas is 5.6 g/L at 505 kPa pressure, what is the solubility of the gas when the pressure is 1010kPa? * 19. Calculate the [H?] for the aqueous solution in which [OH?] is 1 x10??. Is this solution ... 
Chemistry
Can someone check my answer and let me know me if the are right or wrong. 1. What is the maximum amount of KCl that can dissolve in 600 g of water? (The solubility of KCl is 34 g/100 g H?O at 20°C.) * 34 g 204 g ***** 2040 g 3. (1 point) If the solubility of a gas in water... 
Chemistry
Can someone check my answer and let me know me if the are right or wrong. If I wrong can you give me the right answer plz. 1. What is the maximum amount of KCl that can dissolve in 600 g of water? (The solubility of KCl is 34 g/100 g H?O at 20°C.) * 34 g 204 g 56 g******* ... 
Algebra
Determine the discriminant for the quadratic equation 3 = x^2 + 4x + 1. Based on the discriminant value, how many real number solution does the equation have? Discriminant =b^2  4ac 
Science
When calculating delta Tsample,why is th initial temperature taken to be 100 degrees Celsius 
Math
The temperature at 6:00 pm was 33°f.over the course of the day, the temperature decreased 5.5°F per hour. What was the temperature at midnight? 
english
Nwoye and Ikemefuna as a representation of the rise of new cultural formation among the igbo society in Achebe's Things Fall Apart 
english
Chinua Achebe's Things Fall Apart as a Postcolonial novel 
english
Chinua Achebe's Things Fall Apart as a defiance of eurocentric sociological and anthropological narration of South Africa 
math
Earned five dollar earned $5.50 per hour as an assistant in an auto repair shop how much will Taylor on if she works for and a half hours on Friary's 
social studies
I dont know the answer but I hate to be mean, but I wouldn't trust "Boonk gang" I asked a question and he responded with "follow me on isntagram bihhhh @cltjojo" That's all I had to say, sorry and bye 
Math
if 6 workers complete a 1 km of roadway in 4 days. how long would it take for 4 workers to complete 3 km of roadway 
Trigonometry
Suppose *u* is a quadrant IV angle with cos(u) = 3/5. Suppose *v* is a quadrant IV angle with cos(v) = 12/13. Find the exact value of sin(uv) I have gotten to sin120cos150  sin150cos120 but I am not sure I am correct up to that point and I don't know where to go from there. 
Math
A tennis racket is offered at 25% off. Including 7% sales tax, the final price is $67.41. What is the original price, without tax or discount? 
Science (Physics)
Air becomes a conductor when the electric field strength exceeds 3.00 × 106 N/C. Determine the maximum amount of charge that can be carried by a metal sphere 8.5 m in radius. The value of the Coulomb constant is8.99×109 N·m2/C2. Answer in units of C. I have ... 
physics
Multiple Concept Example 9 provides background pertinent to this problem. The magnitudes of the four displacement vectors shown in the drawing are A = 17.0 m, B = 10.0 m, C = 11.0 m, and D = 23.0 m. Determine the (a) magnitude and (b) direction for the resultant that occurs ... 
physics
Can anyone help just can figure it out. Multiple Concept Example 9 provides background pertinent to this problem. The magnitudes of the four displacement vectors shown in the drawing are A = 17.0 m, B = 10.0 m, C = 11.0 m, and D = 23.0 m. Determine the (a) magnitude and (b) ... 
physics
Multiple Concept Example 9 provides background pertinent to this problem. The magnitudes of the four displacement vectors shown in the drawing are A = 17.0 m, B = 10.0 m, C = 11.0 m, and D = 23.0 m. Determine the (a) magnitude and (b) direction for the resultant that occurs ... 
physics
a mass if 10kg move with a velocity of 4ms1find it kinetic energy. 
geometrie
(4, 5)'(9, 5) and (5,1) are three of a quadrilateral whose opposite sides are equal and parallel.there are three possibilities for the coordinates of the missing vertex.Find all three,and draw the three quadrilateral on a grid 
Math
IN A CLASS OF 55 STUDENTS, 35 TAKE ENGLISH,40 TAKE FRENCH AND 5 TAKE OTHER LANGUAGES. DETERMINE HOW MANY STUDENTS TAKE BOTH LANGUAGES 
Urgent math
please help The fox population in a certain region has a relative growth rate of 7% per year. It is estimated that the population in 2005 was 19,000. (a) Find a function n(t) = n0ert that models the population t years after 2005. n(t) = (b) Use the function from part (a) to ... 
Urgent math
population growth model. Can anybody please help me out in trying to solve this problem? It's my homework and I don't seem to understand what I am getting. The count in a culture of bacteria was 400 after 2 hours and 25,600 after 6 hours. (a) What is the relative rate... 
College Algebra
f(x) = x2 + 11x, x ≥ − 11/2 find the inverse 
College Algebra
A function f has the following verbal description: "Multiply by 5, add 9, and then take the fifth power of the result." and find the inverse? 
Algebra
Find the net change in the value of the function between the given inputs. g(t) = 8 − t2; from −6 to 9 
Algebra
If g(x) = x2 + 8x with x ≥ −4, find g−1(20) 
College Alg
Find the inverse function of f. f(x) = 36 − x2 , 0 ≤ x ≤ 6 I can't seem to find this inverse, someone help please? 
College Algebra
If g(x) = x2 + 6x with x ≥ −3, find g−1(55) I need help solving this problem this is an example but it does not thoroughly is explained. :/ 
College Algebra
nevermind I got it 
College Algebra
A rectangular parcel of land is 20 ft longer than it is wide. Each diagonal between opposite corners is 100 ft. What are the dimensions of the parcel? This is an Example in the book but it does not clarify in the text book, Can anybody please show me how to do this? 
L.A the book
C and A... just took the test 
educational technology
3. adding transitions to slides in a presentation A. offers effects when moving from one slide to the next.***** B. adds animation to selected text and images. C. adds a new slide to a presentation in microsoft powerpoint. D. creates sound effects connected to an image. 4. ... 
HISTORY
Choose two famous Americans who lived during the period 1820–1860. • Research the two people you chose. • Analyze your research. • Write a dialogue between the two famous Americans Can somebody help me with this? * Give me ideas for people * Research on the... 
acounting
A company purchased and installed a machine on January 1 at a total cost of $72,000. Straightline depreciation was calculated based on the assumption of a fiveyear life and no salvage value. The machine was disposed of on July 1 of the fourth year. The company uses the ... 
Setswana
O tshwanetse go tlhompha setso sa gago 
science
An experienced mountaineer decided to climb mount everest using the same route in the same season and with similar materials and equipment used by a fatal 1924 expedition . The scientific purpose of such a climb would be to 
science
Pepsin,which speeds up the breakdown of protein,is classified as 
L.A.
just thought I'd let you know 3 is wrong the correct answer I 1 because I just took the quiz and got that one wrong 
accounting
im stuck too 
calc / physics
Suppose that a 5footlong chandelier falls from a 35foot ceiling and that you are 6 feet tall and standing directly under the chandelier (a) How long do you have to get out of the way when it drops? =16(t^2)+Vt+h =16(t^2)+0+(3556) (for the bottom of the chandelier and ... 
science
Agreed, "and his name is" is 100% correct! Thanks my dude! 
Algebra
Oh thank that did help :D 
Algebra
If twice the opposite of a number increased by five, then the result is the opposite of a number. What is the number? What is this even asking off me? 
math equation
Please help me to work this out using the inversion method (I'd appreciate if you could provide a step by step breakdown (I don't understand how to do it and my math really sucks!!): Jim spent 1/3 of his salary on food. He spent 1/4 of it on shoes. He has $400 ...