# Posts by Lydia

Total # Posts: 264

**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 modern-day 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 non-food ...

**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/(x-3) - 5/(x/2) Here are the options: A) -2x+9/(x-3)(x-2) B) -2x/(x-3)(x-2) C) -2x-9/(x-3)(x-2) D) 2x+9/(x-3)(x-2) 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(u-v) 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 4ms-1find 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 co-ordinates 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. Straight-line depreciation was calculated based on the assumption of a five-year 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 5-foot-long chandelier falls from a 35-foot 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+(35-5-6) (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 ...