# Posts by Sarah

Total # Posts: 5,971

Physics
A sled mass of 40 kg is pulled along a snow covered surface. The coefficient of static friction is 0.40 and the coefficient of sliding friction is 0.25 a) what force is needed to start the sled moving? b)what force is needed to start to keep the sled moving at a constant speed...

Physics
A sled mass of 40 kg is pulled along a snow covered surface. The coefficient of static friction is 0.40 and the coefficient of sliding friction is 0.25 a) what force is needed to start the sled moving? b)what force is needed to start to keep the sled moving at a constant speed...

math
After spending 80% of her money Lei has 100.00 left...How much was her money before?

Math
ok thanks

Math
2(-8-2+2v+6v) do u distribute?

Math
thanks I get it now. Can u help me with another one? ms. sue

Math
-9(8+4v)

Chemistry
I'm assuming for the first question you meant molar concentration.. if this is the case use the formula c=n/v (or concentration equals mass divided by volume) so you would first find the molar mass of sodium bicarbonate (i'm assuming you know how to do that) and use ...

I hate science
I hate science and I am not good at it no offense to science lovers

science
I think its elastic potential no hard feelings

Math
You draw five cards from a standard deck of 52 cards. P(heart) = 4/5 (fraction). What type of probability is illustrated and why? Theoretical; the result is based on the number of possible outcomes** Theoretical; the result is found by repeating an experiment Experimental; the...

maths
so 336?

maths
simplify 8C5 The "C" stands for combinations ( like combinations and permutations )

ANT101
No, you don't need to include a citation.

Prove (sin4x)/(1-cos4x) = cotx - 1/2(cscxsecx) Please help me get started on this question... I'm at a lost as for what to do first....

chemistry
I think you use the formula q=mc(delta)t with q being the amount of energy added, m being the mass of water,c being the specific heat capacity of water which is 4.18J/g*degrees Celsius and then you would solve for delta t which is your change in temperature... hope this helps ...

Math
thanks so much!! :) ;) @ms. sue

Math
150 @ms sue

Math
Anna saved \$20 in a jar each month for 2 1/2 years. She spent 75% of her savings on a computer. How much money did Anna have left in the jar?

Thank you for your help! (=

How can you determine if the given lines are perpendicular? Line 1: (-1,3) and (3,-3) Line 2: (-3,0) and (3,3) A)determine if they have slopes with opposite values*** B)determine if they have the same slope C)determine if the product of their slope is 1 D)determine if the ...

Which of the following does not reduce water pollution? a) cleaning up oil and gasoline spills. b) reducing pollutants such as pesticides and fertilizers. c) increasing the use of gasoline.*** d) properly treating waste water Can you please check my answer?

Math
A number cube is rolled 160 times. The number 2 comes up 39 times. what is the experimental probability of rolling a 2? What is the theoretical probability of rolling a 2? A. 39/160 ; 1/80 b. 1/6 ; 39/160 C. 39/160 ; 1/6 D. 121/160; 1/6 My answer is B. Is this right????

History
. Imagine that you are a British industrial worker who fell asleep in 1833 and awoke mysteriously eighty years later, in 1913. What, if anything, is still recognizable from your own life?

Social Studies I NEED HELP PLEASE!!!
Whoever the first person was who helped me, thanks! I got them both right! (=

Social Studies I NEED HELP PLEASE!!!
Oh, yes! I didn't catch that!

Social Studies I NEED HELP PLEASE!!!
Thanks! (=

Social Studies I NEED HELP PLEASE!!!
I think 1 is b and 2 is d, but can someone please check my answers?

Social Studies I NEED HELP PLEASE!!!
Which best describes how land ownership changed after Ukrainian independence? A. land ownership has stayed the same B. lands formerly owned by the state have been privatized. C. lands formerly owned by individuals have been seized by the state D. communities own and work farm ...

Calculus
People are entering a zoo at the rate of 100e^t+75t people per hour where t is the amount of time the zoo has been open on that day measured in hours. If the doors are open at 9:00 AM, how many hundreds of people have entered the zoo at 11:40 AM? (Nearest integer)

Civics
12. Which one of the following is an example of an entitlement? A. Freedom of speech B. Receiving Social Security C. The right to vote D. Serving in the military B?

Civics
11. To become a citizen of the United States, you must A. file a request form in a federal court. B. pass an English and government test. C. have lived in the United States for at least six months. D. be at least 21 years old. B?

Civics
10. Which of these statements about the Cuban Missile Crisis is true? A. President Kennedy removed nuclear missiles from Turkey to resolve the crisis. B. Fidel Castro's government had manufactured guided missiles. C. President Kennedy called Nikita Khrushchev on the ...

Civics

Civics
I've looked up Madison and I think I'll agree on this answer than I would Washington because for Washington it doesn't say that he was known as a federalist.

Civics
Ohh then I don't know. For sure I know it can't be George Washington and not Abraham Lincoln.

Civics
5. You don't really approve of the idea of political parties. However, you're known as a Federalist and are soon associated with that party. Chances are good that your name is A. Thomas Jefferson. B. James Madison. C. Abraham Lincoln. D. George Washington. A?

Civics
4. Which one of the following individuals would be most likely to vote? A. A 50-year-old corporate executive who holds a master's degree in business B. A 30-year-old college graduate who has just moved to a new state C. A 19-year-old high school graduate who likes to ...

Civics
3. If you were a specialist working for the National Security Agency, your main job would likely be A. analyzing and breaking coded messages. B. working in the field to carry out covert operations. C. analyzing data from spy satellites. D. electronic surveillance. My sister ...

Civics
Sorry I couldn't find that page and thought that I should ask once more sorry.

Civics
1. A basic position in American foreign policy has been that America must defend its foreign interests related to trade and security. The main foreign policy position opposed to this American policy is called A. imperialism. B. militarism. C. isolationism. D. federalism. C?

Calculus
A circle has a radius lf 10/(pi-1) which is the same value as the side of a square. Both the radius of the circle and the side of the square are gowing at 1 in/sec. Find the difference between the rates of change of their area in in/sec.

social studies
Why is John Mosby an important figure of the cival war? (If you can, please put them in a list and I need the most important facts) thankyou :)

Civics
Well yes of couse :)

Civics
"a policy of remaining apart from the affairs or interests of other groups, especially the political affairs of other countries."

Civics
If not A,my sister said C isolationism.

Civics
In my book it says imperialism is aimed at controlling foreign trade by holding colonies and defending them against other foreign powers.

Civics
1.   A basic position in American foreign policy has been that America must defend its foreign interests related to trade and security. The main foreign policy position opposed to this American policy is called  A. imperialism. B. militarism. C. isolationism. D...

division write and solve
Koloshuk???

Science

Science
When evolution was first proposed, which of the following was used as evidence to support the idea? 1.observations of nature 2.laboratory experiments 3.extensive fossil collections 4.genetic sequences 1.?

AP Chemistry
It turns out I had entered it in wrong! Thank you so much for your help! I really appreciate it!

AP Chemistry
Hi Dr. Bob222 Thank you so much for replying! I actually have already tried this equation... Pb(s) + Cl2(g) --> Pb^2+(aq) 2Cl^-(aq) and it said it was wrong So that is why I am confused. Because I was initially solving it the way you had written the half reactions and then ...

AP Chemistry
This is the question I am having trouble with: A voltaic cell consists of a strip of lead metal in a solution of Pb(NO3)2 in one beaker, and in the other beaker a platinum electrode is immersed in a NaCl solution, with Cl2 gas bubbled around the electrode. A salt bridge ...

Physics
Three point charges lie in a straight line along the y-axis. A charge of q1 = -9.10 µC is at y = 6.70 m, and a charge of q2 = -7.70 µC is at y = -3.60 m. The net electric force on the third point charge is zero. Where is this charge located?

English
Thanks

English
Which sentence is punctuated correctly? A. Milton wrote many prose works, but is more famous for poetry. B. In a sequence of sonnets dedicated to his wife Edmund Spenser traced their courtship. C. Sonnets were new to England, when Sir Philip Sidney wrote them. D. When ...

English
Which choice would supply the strongest, most logical support for this claim? Lakeside Manor is a wonderful new community on Lake Winchester. A. After just a few hours, you will know you want to move there. B. There is ample parking for all residents and for guests. C. ...

English
It's B

English
a?

English
Read this passage from Donne’s “Meditation 17.” Then, answer the question that follows. No man is an island, entire of itself; every man is a piece of the continent, a part of the main. If a clod be washed away by the sea, Europe is the less, as well as if a ...

English
Thank you

English
Which clause in this sentence is used as an adjective? When Beowulf arrived, the Danes welcomed him, for they desperately needed someone who could stop Grendel. A. When Beowulf arrived B. the Danes welcomed him C. they desperately needed someone D. who could stop Grendel D ??

Physics
Suppose 2100 J of heat are added to 3.3 mol of argon gas at a constant pressure of 120 kPa. (Assume that the argon can be treated as an ideal monatomic gas.) A) Find the change in internal energy. B) Find the change in temperature for this gas. C)Calculate the change in volume...

physics
Did you get an answer for this one? Could need one too.

Accounting
Chef Gourmet, Inc., has assembled the following data pertaining to its two most popular products. Blender Food Processor Direct material \$ 21 \$ 30 Direct labor 14 42 Manufacturing overhead @ \$52 per machine hour 52 104 Cost if purchased from an outside supplier 71 140 Annual ...

chemistry
Sorry I should haved deleted the percent sign. I know you drop it and add the decimal. I got 1.25

Science
Light waves strike a lamp shade. What property of light is demonstrated? A.diffuse reflection B.diffraction c.refraction D.regular reflection I think the answer is C but im not sure Please help

English
C use a dictionary

chemistry
How many grams of MgCl2 is needed to make 1200ml of a .25M solution? .25M/L* 1200mL/1* 1L/1000mL* 95.211:-/ mol I got 28.563g

chemistry
I got it now thanks guys :)

chemistry
I have to do the problem in this form. 12.5gNaOH/mol * ??/40.0NaOH * 625ml/ 1 * 1L/ 1000mL Where am I messing uo

chemistry
What is the molarity of a solution 12.5 naoh dissolved in total volume of 625ml? NaOH = 12.5/molar mass of NaOH = 12.5/39.99 = 0.313 molarity = no.of moles/volume in L = 0.313/0.625 = 0.501 moles/L

chemistry
15.87 g of KBr is dissolved in 125.0ml of water. What is the % w/o 15.87/125.0 * 100 = 13%

chemistry
What is the % of a solution containing 18.0g of NaCl in 65 ml of water 18.0/65 * 100 = 27% Right? Wrong?

Drama
In act 1 scene 2 of a christmas carol scrooge and marley, why does scrooge object to people enjoying christmas?

History
As a result of the Industrial Revolution, British and French financiers built up enormous reserves of capital. Seeking to earn high rates of return on their investments, they helped to finance all of the following except: (choose one) a. The Suez Canal in Egypt, which ...

Math
I believe that you are correct

Math
How do you want us to help?

Civics
THank you :D

Civics
Ok. Does anyone know?

Civics
A citizen who registers with the Republican party must vote for Republican candidates identifies with Republican ideas can vote in any party’s primary can never change his or her affiliation C??

english
a performance with lots of emotion and events

english
The only other answer choice I can come up with is B...

english
Which of the following is the best definition of a drama? a. a story with props b. a story with a happy ending c. a story written to be preformed by actors d. a story in which the main character eventually fails I think it's D, can anyone check me? Thanks ;)

Physics
1kg of an unknown metal at 94 degrees C is placed in 100g of water at 10 degrees C. The final temperature of the metal and water are 17 degrees C. By finding specific heat capacity, identify the metal

LA
Write a brief summary discussing the use of imagery in both "Grandma Ling" and "your little voice." Examine the ways in which each poem uses images to convey the emotions or attitudes of its speaker.

LA
Thank you Mrs. Sue.

LA
Why has each of these analogy poems become so famous? The poems are "The Road Not Taken" and "O Captain! My Captain"?

math
c = g + 94 The variable g represents the number of guests, and the variable c represents the cost in dollars. If there are 3 guests, how much will Jenna's retirement party cost?

Science
How can i start my argumentative essay based on fossil fuels?

Science
Thank you

Science
So people think we should use alternative resource right?

Science
Why do people debate on fossil fuels? Is it based on how its used? Thanks

science
Whoever those people are they need to learn how to be nice to children so the kid doesn't understand science doesn't mean you should treat him rudely.

science
Whoever that teacher is needs to learn how to be nice to children so the kid doesn't understand science doesn't mean you should treat him rudely.

All students. Please do not post test or quiz answers to Jiskha. It is cheating and doesn't benefit you in any way. If you need help on homework or anything else, be sure to show your work and possible answers. Thanks :)

Language Arts
You guys do realize that everybody has different orders and quick checks. My answers were B B A A

Language Arts
Thanks :)

Language Arts
This is the definition of the Multi-Draft process: First Read: Read independently to unlock the basic meaning of the text. See Comprehension: Key Ideas and Details on p. 448. Second Read: Focus on analyzing key ideas and details and the craft and the structure of the text. See...

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