# Posts by kat

Total # Posts: 583

Pre algebra
A fair charge an admission fee of \$6 for each person. Let C be the cost of admission (in dollars) for P people. Write an equation relating C to P. Then graph your equation using axes

SS Help
THANK YOU SO MUCH JANE i was so nervous i was gonna get everything wrong but I got a 100%.

Social Studies
jane is right. answers are c, a, d. i got 100%

Math. Plz walk me though
Thank you Ms. Sue! I will be sure to talk to the other tutors!

Math. Plz walk me though
A picture of the Sun has 12 identically matched points. Suppose you line up two suns directly on top of each other. What is the least number of degrees that you can rotate the top sun so that so the two Suns are perfectly aligned again. Can someone please explain how this may ...

Social Studies
the correct answer is D.

Social Studies
ms sue, instead of being rude, why don't you help or give links? maybe she/he doesn't understand. no need to be mean

Art:Please Help Me @Ms Sue
help man is correct!

Math. plz help or try.
yah and i tried. the link diddn't help

Math. plz help or try.
I would love it if you helped me. 1. Determine the median of this data set. 5,6,3,2,2,4,8,9 A. 2 B. 4.5 C. 5.5 D. 5 2. What is the mode of the data set? 27,35,57,36,44,57,33,34,66,30,33,42,57,23,35 A. 35 B. 33 C. 42 D. 57 3. Sam conducted a survey in which he asked his friends...

Math
in the "()" is that a fraction or is it a division sign?

8th Social studies
Explain why Lincolns assassination put the future of the nation in question?

US history 8th
what is the grandfather clause?

Physics
A 200 gram sample of hot water at 89°C is mixed with 200 grams of cool water at 16°C. Assume there is no loss of heat energy to the surroundings, what is the final temperature of the mixture when they reach thermal equilibrium?

Physics
A 100 gram mass of metal at 106°C is placed in 100 grams of cool water at 22°C. The final temperature of the mixture is 25°C. What is the specific heat capacity of the metal?

PE
Kobe Bryant is a very famous basketball player who helped his team win many national champion ships. When people use him to advertise their line of athletic wear, what type of advertising are they using? Band wagon emotional appeal price appeal testimonial plz help.

Science- Earth
Under which circumstances do neap tides occur? HELP NEED ASAP!!

Social studies
1. which is the most important effect of the Bessmer Process?

science, pysics
A child having a mass of 37 kg sits 0.2 m from the center of a merry-go-round that is rotating with a period of 36 s. What is the centripetal force acting on the child? What is the centripetal force in Newtons?

physics, science!
A child having a mass of 37 kg sits 0.2 m from the center of a merry-go-round that is rotating with a period of 36 s. What is the centripetal force acting on the child? What is the centripetal force in Newtons?

physics, science!!!
A child having a mass of 37 kg sits 0.2 m from the center of a merry-go-round that is rotating with a period of 36 s. What is the centripetal force acting on the child?

physics, science
What centripetal force is needed to keep a 10 kg object moving at a constant speed of 10 m/s in a circle having a radius of 11 m?

Math
A triangular traffic island has a base half as long as its height. The island has an area of 100 m2 . Find the base and the height.

Chemistry
Determine the mass of chlorine produced when 200A of current flows for 24 hours through a cell of molten NaCl.

Chemistry
Calculate the minimum time, in minutes, required to deposit 40g of copper using a current of 20A.

la
well i said this before...you should have studied first.

Algebra
Suppose that you work part time as a sales representative at a car dealership. You earn a base salary of \$125 per week plus a 18% commission on all sales that you make. Your best friend has exactly the same job at another car dealership but earning a base salary of \$85 per ...

math
yeah your right that means the perimeter of the larger square is 60 so the answer is c.

civics
hey thanks for helping guys but it just dawned me and I understand it know so thanks for helping

civics
I live in Clermont Fl. and I have a governor think I looked it up and It said Florida has a governor please help me I'm so confused and I'm almost fished its just these questions and then I'm done

civics
Research how your local government works. Briefly explain the process to pass a law (usually called an ordinance or code) in your city or county. To introduce the idea in my city or county, first I would ...

History Check Please!
"answers" is 100% right!!! Thanks so much!

History Check Please!
Btw also, the girls answer (Olivia N J) was 100% right! There was a question with a picture though and that one was Gothic. I did a lucky guess hahaha.

History Check Please!
Thank you's right. That was for the PT or practice test :D

Math
Distribute 35-15

physics
The wavelength of first line of balmer series in hydrogen spectrum is 6563 A. Find the wavelength of first line of lyman series in the same spectrum.

Social studies connexus
"your welcome" is correct :)

Intermediate algebra
8x (x-1)=ø

Geometry
I need help with this paragraph proof I have no clue what I am doing. Given: QS bisects angle PQR. Angle PQS equals 45 degrees. Prove: PQR is a right triangle. I really need help, I don't want to fail.

math
You invest \$1,000 at 4% compounded daily. Two years later you take the balance and place it into an account earning 4.5% compounded daily. Determine the value of your account three years after the 2nd investment.

geometry
A is -3,4. B is -3,0. C is -1,3. Those are the ABC figures. For A'B'C' A' is -2,-3. B' is 2,-3. C'is -1,-1.

geometry
How do I describe a transformation of a triangle that maps ABC onto A'B'C'. So if you can just explain the steps to me that would be great. Thanks

7th grade Social Studies
the answers for this quick check are B C D A

Chemistry
25.0 mL of an H3BO3 solution were titrated with 29.15 mL of a 0.205 M LiOH solution to reach the equivalence point. what is the molarity of the H3BO3 solution?

Science - Please Look!
Thanks so much! :)

Science - Please Look!
The senses are used to make which of the following? inferences predictions evaluations ((**observations**)) You walk into the kitchen and see a broken egg on the floor. Which of the following is an inference you can make based on this observation? ((**The egg rolled off the ...

Chemistry
use combined gas laws

all
someobody plz helpppppppppp

all
anyone have some good tips on how to study for bio phys and chem

Math
ooohkay, thank you!! i needed this so bad :D

Math
THANK YOU REINY!!! however, what does RS mean?

Math
Prove that the following Trigonometric Identity is valid: 1/(sin⁡(y)-1)-1/(sin⁡(y)+1)=-2sec^2 (y) Please any help or clues on how to do this is needed. I have a sheet that tells me valid identities but nowhere on it has info on -2sec^2 (y) I am sooo clueless here :(

Chemistry
The molar solubility of silver iodide in a 0.186 M potassium iodide solution is __________ M.

Chemistry
Write a balanced net ionic equation to show why the solubility of Ca(OH)2(s) increases in the presence of a strong acid and calculate the equilibrium constant for the reaction of this sparingly soluble salt with acid.

Chemistry
The mass of lead bromide that is dissolved in 250 mL of a saturated solution is____ grams.

Chemistry
The solubility of Mg(OH)2 is measured and found to be 9.25×10-3 g/L. Use this information to calculate a Ksp value for magnesium hydroxide

Chemistry
When it comes to something being spontaneous, what does it mean? I know its something that goes out without no outside force or something like that but what are example of something that is spontaneous ?

Chemistry
What is the change in enthalpy of the following reaction? 2NaBr(aq) + PbCl2(aq) 2NaCl(aq) + PbBr2(aq) Given: NaCl: ∆H = -411 kJ NaBr: ∆H = -360 kJ PbCl2: ∆H = -359 kJ PbBr2: ∆H = -277 kJ Im lost with this. Everytime I try to do it, it doesn't come ...

Physics
I'm confused about this question: "A car traveling at 60 mi/h stops in 6 seconds. How far does it travel during this time?" I can't figure out what formula to use, or how to begin solving this.

Chemistry
The diagram shows an electrochemical cell with a gold strip (left) and aluminum glasses (right). In your response, do the following: • Label the cathode and the anode, including the charge on each. • Show the flow of electrons. • Describe what type of ...

Chemistry
3. The diagram shows an electrochemical cell with a gold strip (left) and aluminum glasses (right). In your response, do the following: • Label the cathode and the anode, including the charge on each. • Show the flow of electrons. • Describe what type of ...

chemistry
Cu2+ + 2e- -> Cu Oxidation reaction Cu -> Cu2+ + 2e Reduction Reaction Do I have these right, or are they backwards?

Electroplating in Chem
Today I began an electroplating lab between a copper strip and a coin in electrolyte solution with a battery. I am struggling to figure out the copper half-reactions that occured, and whether they are reduction or oxidation. I only need two, and one is Cu2+ + 2e- -> Cu ...

Algebra
Does the data in the table represent a direct variation or an inverse variation? x 1 3 4 7 y 5 15 20 35 Write an equation to model the data in the table

Physixs
In my homework example, it says that there are 234 nucleons (140+94) bound in the products of this reaction: n-1 + U-235 ---> Ba-141 + Kr-92 + 3n-1 Where are they getting that number??? I though you added up the protons and neutrons to find how many nucleons there are, but ...

SS
Just a helper is right got 100% thank you

chemistry
Write and balance the equation for the reaction between nitric acid and potassium iodide. The products are potassium nitrate, iodine, nitrogen monoxide, and water. 2HNO3 + KI = KNO3 + I + 2NO + H2O (Did I write the equation correctly?)

Chemistry
O.k So would this be correct? K=(4.00 mol/L)(1.25 mol/L) /(1.75 mol/L)2 (3.00 mol/L) K=0.544 mol/L

Chemistry
I can plut the numbers into the equation but do I need to do anything with the 25*C?

Chemistry
For the reaction: 2NO(g) + H2(g) <=> N2O(g) + H2O(g) + energy Write the equilibrium constant expression for the reaction. I wrote: [N2O][H2O] / [NO]2 [H2] This reaction takes place at 25°C. At this temperature the concentration of NO is found to be 1.75 mol/L, the ...

Science
For the reaction: 2NO(g) + H2(g) <=> N2O(g) + H2O(g) + energy Write the equilibrium constant expression for the reaction. This reaction takes place at 25°C. At this temperature the concentration of NO is found to be 1.75 mol/L, the concentration of H2 is 3.00 mol/L, ...

Chemisty
For the reaction: 2NO(g) + H2(g) <=> N2O(g) + H2O(g) + energy Write the equilibrium constant expression for the reaction. This reaction takes place at 25°C. At this temperature the concentration of NO is found to be 1.75 mol/L, the concentration of H2 is 3.00 mol/L, ...

Chemisty
For the reaction: 2NO(g) + H2(g) <=> N2O(g) + H2O(g) + energy Write the equilibrium constant expression for the reaction. This reaction takes place at 25°C. At this temperature the concentration of NO is found to be 1.75 mol/L, the concentration of H2 is 3.00 mol/L, ...

Urns and \$ - Pre-Algebra
1 is 24/65, just like PsyDAG said you have to do 12/20 * 8/13 and 24/65 which is B would be the answer

SS
Obsid is correct, i got 5/5!

chemistry
(7 points) 1. The reaction that you just witnessed in while doing your titration was: HCl + NaOH  H2O + NaCl. This equation is balanced. Your unknown solutions contained HCl solutions of unknown concentrations, and your titrant was a 0.75 M solution of NaOH. Use the ...

Language Arts
I think it's a but I'm not sure!!! it might be d?

Physical Education
Reed, on the other questions regarding this matter, with the same answer, you said they were wrong.

Social studies
ms. sue is a b1tch

Social studies
the answers to the whole quiz are A C C B B B the last four are short answer questions.

language arts
YES CADCC IS RIGHT

Social Studies
YES sid is right!!

intro to computers
You create a formula in A8 that adds up the numbers listed in A1 through A7. You copy the formula and paste it into C8. What happens in C8? A. The sum of cells A1 through A8 appears. B. The sum of cells C1 through C8 appears. C. The sum of cells A1 through B8 appears. D. The ...

Chemistry
An aqueous solution is composed of 7.50 g NaCl (MM = 58.44 g/mol) diluted to 0.100 L. Calculate the osmotic pressure of the solution at 298 K a. 5.83 atm b. 9.22 atm c. 18.3 atm d. 62.8 atm

Social Studies Quiz, Please help!
You have all of them right!

Math
Grade 11 Unversity Functions. The question was part of the final "Thinking" category for our periodic functions test.

Math
The diameter of a car's tire is 60cm. While the car is being driven, the tire picks up a nail. At what times in two complete cycles is the nail at a height of 1cm above the ground. So far, I have calculated the circumference of the wheel (188.5) and I do not know the next ...

social studies
@anonymous ikr

AP Physics
A 25 degree incline sits on a 1.2 meter high table. a ball rolls off the incline with a velocity of 4 m/s. how far does the ball travel across the room before reaching the floor?

ART 4 QUESTIONS PLZ HELP ASAP
thank you sid! i got 100%

English12
In Pope's essay on Man, how does the speaker cast humankind's relationship to both God and His creation?

English12
What do the speakers of Sir Thomas Wyatt's "Whoso List to Hunt" and Edmund Spenser's "Sonnet 30" have in common? How are they different?

Math
Sam is 2 years and his mother is 28 years old. In how many years will Sam's mother be 3 times as old as he will be?

science
Specific heat capacity of solid ethanol is 2.419 J/g C. Melting point temperature of ethanol is -114.4 C/ 158.8 K. Enthalpy of fusion of ethanol is 106.4 J/g. Specific heat capacity of liquid ethanol is 2.440 J/g C. 44.0 g of solid ethanol at -134.4 C is dropped into a Dewar ...

Math
Joe borrowed \$2000 from the bank at a rate of 7% simple interest per year. How much interest did he pay in five years?

science, biology
is my answer correct ? Both genetics and the environment contribute to the height of a plant. Plants attain their traits from their parents like humans. A plants offspring comes from somewhere, and that somewhere is the parent plant. The parent plant then has traits it ...

science, biology
1. What is/are the main factor(s) that determine(s) that your plants will grow into bean plants (or other fast-growing plants that you used for your experiment) and not some other type of plant (genetics, environment, or both)? Explain your answer.

Social Studies
the answers are A C C D i got 100% with these :)

algebra
I don't quiet know where to start can anyone help guide me? Bonnie has a container in the shape of rectangular pyramid. The formula for the surface area of the enclosed space is S=lw+0.5Ph. Solve for P? P= S - lw- 0.5h P= S + lw + 0.5h P= S-lw/ 0.5h P= S/lw + 0.5h

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