Saturday
March 25, 2017

Post a New Question

Posts by Kat

Total # Posts: 566

Math. plz help or try.
yah and i tried. the link diddn't help
February 25, 2017

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...
February 25, 2017

Math
in the "()" is that a fraction or is it a division sign?
February 24, 2017

8th Social studies
Explain why Lincolns assassination put the future of the nation in question?
February 24, 2017

US history 8th
what is the grandfather clause?
February 24, 2017

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?
February 24, 2017

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?
February 24, 2017

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.
February 24, 2017

Science- Earth
Under which circumstances do neap tides occur? HELP NEED ASAP!!
February 22, 2017

Social studies
1. which is the most important effect of the Bessmer Process?
February 16, 2017

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?
February 1, 2017

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?
February 1, 2017

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?
February 1, 2017

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?
February 1, 2017

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.
January 26, 2017

Chemistry
Determine the mass of chlorine produced when 200A of current flows for 24 hours through a cell of molten NaCl.
January 18, 2017

Chemistry
Calculate the minimum time, in minutes, required to deposit 40g of copper using a current of 20A.
January 18, 2017

History
TRIGGERED
January 6, 2017

la
well i said this before...you should have studied first.
November 17, 2016

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 ...
November 15, 2016

math
yeah your right that means the perimeter of the larger square is 60 so the answer is c.
November 15, 2016

civics
hey thanks for helping guys but it just dawned me and I understand it know so thanks for helping
November 15, 2016

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
November 15, 2016

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 ...
November 15, 2016

History Check Please!
"answers" is 100% right!!! Thanks so much!
October 25, 2016

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.
October 25, 2016

History Check Please!
Thank you's right. That was for the PT or practice test :D
October 25, 2016

Math
Distribute 35-15
October 20, 2016

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.
October 14, 2016

Intermediate algebra
8x (x-1)=ø
September 26, 2016

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.
September 13, 2016

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.
August 29, 2016

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.
August 26, 2016

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
August 26, 2016

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?
August 23, 2016

Science - Please Look!
Thanks so much! :)
August 22, 2016

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 ...
August 22, 2016

Chemistry
use combined gas laws
June 16, 2016

all
someobody plz helpppppppppp
June 16, 2016

all
anyone have some good tips on how to study for bio phys and chem
June 16, 2016

Math
ooohkay, thank you!! i needed this so bad :D
June 7, 2016

Math
THANK YOU REINY!!! however, what does RS mean?
June 7, 2016

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 :(
June 7, 2016

Chemistry
The molar solubility of silver iodide in a 0.186 M potassium iodide solution is __________ M.
May 27, 2016

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.
May 27, 2016

Chemistry
The mass of lead bromide that is dissolved in 250 mL of a saturated solution is____ grams.
May 27, 2016

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
May 27, 2016

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 ?
May 25, 2016

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 ...
May 25, 2016

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.
May 24, 2016

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 ...
May 13, 2016

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 ...
May 13, 2016

chemistry
Cu2+ + 2e- -> Cu Oxidation reaction Cu -> Cu2+ + 2e Reduction Reaction Do I have these right, or are they backwards?
May 9, 2016

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 ...
May 9, 2016

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
May 2, 2016

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 ...
May 1, 2016

SS
Just a helper is right got 100% thank you
April 26, 2016

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?)
April 14, 2016

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
April 13, 2016

Chemistry
I can plut the numbers into the equation but do I need to do anything with the 25*C?
April 13, 2016

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 ...
April 13, 2016

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, ...
April 13, 2016

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, ...
April 13, 2016

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, ...
April 13, 2016

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
April 13, 2016

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 ...
March 21, 2016

Language Arts
I think it's a but I'm not sure!!! it might be d?
March 18, 2016

Social studies
ms. sue is a b1tch
March 15, 2016

language arts
YES CADCC IS RIGHT
March 2, 2016

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 ...
February 20, 2016

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
February 6, 2016

Social Studies Quiz, Please help!
You have all of them right!
January 29, 2016

Math
Grade 11 Unversity Functions. The question was part of the final "Thinking" category for our periodic functions test.
January 24, 2016

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 ...
January 24, 2016

social studies
@anonymous ikr
January 21, 2016

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?
January 18, 2016

ART 4 QUESTIONS PLZ HELP ASAP
thank you sid! i got 100%
January 15, 2016

English12
In Pope's essay on Man, how does the speaker cast humankind's relationship to both God and His creation?
December 9, 2015

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?
December 8, 2015

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?
December 6, 2015

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 ...
November 23, 2015

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?
November 17, 2015

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 ...
October 22, 2015

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.
October 22, 2015

Social Studies
the answers are A C C D i got 100% with these :)
October 8, 2015

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
October 5, 2015

Math
1.7 x 10^-3 = (0.0015 - x)^2 / (0.025 +1/2x) (0.025 + 1/2x) solve for x
October 2, 2015

Oklahoma History
What are the four principal mountain ranges in Oklahoma? 1.) Ouachita Mountains 2.) Wichita Mountains 3.) Arbuckle Montains 4.) _______________
September 30, 2015

physics
Knowing that in most all movement situations the mass of the system stays constant, how do you get the momentum of a system to change?
September 20, 2015

physics
Add the following vectors: 440 N at 100 degrees 905 N at 160 degrees A.1187.7 N at 128.7 degrees B.1010.4 N at 48.2 degrees C.1345 N at 130 degrees D.1013.5 N at 149 degrees
September 20, 2015

science
2 is A
September 14, 2015

Commonwealth connections academy
Yes Im right.
September 8, 2015

Commonwealth connections academy
Just did this one 1. D 2. A 3. A 4. B 5. D
September 8, 2015

physics
A car (m = 1870 kg) is parked on a road that rises 12.1 ° above the horizontal. What are the magnitudes of (a) the normal force and (b) the static frictional force that the ground exerts on the tires?
August 12, 2015

Managerial Accounting
Doughboy Bakery would like to buy a new machine for putting icing and other toppings on pastries. These are now put on by hand. The machine that the bakery is considering costs $78,000 new. It would last the bakery for ten years but would require a $9,000 overhaul at the end ...
August 1, 2015

Managerial Accounting
Direct materials: 7 microns per toy at $0.32 per micron Direct labor: 1.2 hours per toy at $6.80 per hour During July, the company produced 4,600 Maze toys. Production data for the month on the toy follow: Direct materials: 70,000 microns were purchased at a cost of $0.31 per ...
July 31, 2015

Criminal Justice
I am trying to explain: Assess the impact of globalization on the U.S. criminal justice system. Compare and contrast international criminal justice systems (Civil Law, Common law, and Islamic Law and Socialist Law traditions). Discuss the impact that cyber crime and technology...
June 20, 2015

CHEMISTRY
50 ML OF ACID AT 1.836 SPECFIC GRAVITY HOW MANY GRAMS OF ACID?
May 20, 2015

Math
113.04
May 19, 2015

Math
B $5 for 1 sub C y = 5x B 5.5 B Sam's
May 8, 2015

  1. Pages:
  2. 1
  3. 2
  4. 3
  5. 4
  6. 5
  7. 6
  8. Next>>

Post a New Question