# kaylee

Most popular questions and responses by kaylee-
## History

What was the purpose of the freedmens bureau A.to allow former slaves to vote B.to grant former slaves a piece of southern land C.to repeal the black codes D.to assist former slaves with getting jobs, education, food, and cloths*** Can someone please check

*asked on February 7, 2017* -
## Social Studies 8

1. for the additional green spaces to be considered public services, what must be true? A. The local government uses tax money to create them B. a national business provides funding for some of the spaces C. people who purchased season passes to the spaces

*asked on May 17, 2017* -
## Social studies

1. If a consumer makes monthly payments of $250 to pay off a car loan, what type of credit is she using? (1 point) nonrevolving •• revolving short term unsecured 2. Caitlin wants to buy an airline ticket, but she’s uncomfortable taking that much

*asked on May 10, 2017* -
## Social studies

What are the groups who are on the same side in a war

*asked on January 12, 2016* -
## History

Which accurately describe the impact of Magellan’s exploration efforts on European society? (Select all that apply.) Large portions of South America and the Pacific were mapped for future exploration efforts. Sailing west to reach the Spice Islands

*asked on December 11, 2018* -
## English

What does the narrator of “All Watched Over by Machines of Loving Grace” want? people to reject computers computers to rule man and animal the natural world to swallow up technology computers and living things to live together in a natural harmony My

*asked on December 30, 2017* -
## English

How is Penelope's character in The Penelopiad different from her character in The Odyssey? A) she is more bitter*** B) she is more courageous C) she is more subservient In The Penelopia, which of the following BEST describes the tone kept by Penelope when

*asked on December 30, 2017* -
## Struggling on math please help :(

What is a positive coterminal angle to 47° that is between 500° and 1000° and a negative coterminal angle to 47° that is between −500° and 0°? I don't really understand how to do this >.

*asked on March 3, 2017* -
## physics

A car and driver weighing 7750 N passes a sign stating “Bridge Out 28.5 m Ahead.” She slams on the brakes, and the car decelerates at a constant rate of 10.6 m/s2 . The acceleration of gravity is 9.8 m/s2 . What is the magnitude of the work done

*asked on June 24, 2014* -
## Physics

Consider a torque ⃗τ that is constant in both magnitude and direction, and acts on a rigid body of mass 10 kg at a point 1 m from the pivot. How much work does the torque do on the rigid body, if it turns through an angle of 180◦ while the torque is

*asked on July 2, 2014* -
## Chemistry help?

The mass of a quantity of NiCl2 is 24.6 g. How many formula units are in the sample? A. 3.2 3 1023 NiCl2 formula units B. 5.3 3 10–21 NiCl2 formula units C. 1.1 3 1023 NiCl2 formula units D. 1.9 3 1027 NiCl2 formula units

*asked on August 15, 2013* -
## physics

to determine that force acting on each mass it was assumed that g=9.8m/s^2. The value of g at the place where the experiment is performed may be slightly different from that value. state what effect it would have on the percentage error calculated for the

*asked on February 12, 2014* -
## Using graphs to analyse data unit test

what are the mean median and mode of the following data set 18, 19, 20, 21, 23, 26, 26, 26 A. mean- 22.4 ; median- 22 ; mode- 26 B. mean- 22.4 ; median- 26 ; mode- 22 C. mean- 26 ; median- 22.4 ; mode- 24 D. mean- 23.4 ; median- 22 ; mode- 26

*asked on March 20, 2017* -
## Math

The area of an isosceles right triangle decreases at a rate of 5 cm² per second. At what rate is the hypotenuse changing when each of the other sides has length 10 cm? So far I have: Given: dA/dt= 5cm^2/s Find: dH/dt when b&h= 10cm And h= root 200(?)

*asked on November 27, 2016* -
## Integrated Science

How did Mendeleev organize the elements in the periodic table? A) By decreasing atomic mass from left to right and top to bottom B) By decreasing atomic # from left to right and top to bottom C) By increasing atomic # from left to right and top to bottom

*asked on January 23, 2019* -
## Science-Measurement

What is useful when exact data is not required???? An estimated value? A ball park number? An approximation? An order of magnitude? No, it's a 10 letter word. None of those fit. Do you know what letter it begins with or any of the letters between the

*asked on September 6, 2006* -
## Physics

Zak, helping his mother rearrange the furni- ture in their living room, moves a 48.9 kg sofa 3.3 m with a constant force of 21 N. What is the work done by Zak on the sofa? Neglect friction. Answer in units of J

*asked on June 22, 2014* -
## Chem

Identify the Oxidizing agent and the reducing agent for Al(s)+3Ag^+(aq)--->Al^3+(aq)+3Ag(s) Express your answers as chemical formulas serperated by a comma. I tried putting in Al,3Ag^+ and 3Ag,Al^3+ I keep getting it wrong and only have one attempt left I

*asked on October 7, 2010* -
## physics

A block of mass 2.5 kg is pushed up against the vertical wall by a force of 60 N acting at 47◦ to the ceiling. The coefficient of kinetic friction between the block and the wall is 0.67. The acceleration of gravity is 9.8 m/s2 . Find the work done by

*asked on June 27, 2014* -
## physics

An airplane starts at rest and accelerates down the runway for 20s. At he end of the runway, it's velocity is 80 m/a north. What is its acceleration?

*asked on February 18, 2013* -
## Science

If a jogger runs at the speed of sound, can he still hear his iPod? This is a serious question.

*asked on December 12, 2018* -
## Chem

Classify each situation by the equation that would quantify it. A. A container of ammonia cleaner is stored in the janitor's closet off a lecture hall after being used at night for cleaning. The container has a very small hole in the lid. The next morning

*asked on October 26, 2010* -
## Math

Suppose she cut the cake into 8 equal size pieces and 6 people ate all the pieces. Explain how they could have divided the pieces so that everyone ate the same amount of cake. Show work in a drawing

*asked on March 26, 2015* -
## Algebra

The measures of two sides of a parallelagram are 28 in and 42 in. If the longer diagonal has measure 58 in, find the measures of the angles at the vertices

*asked on April 14, 2011* -
## Science

For a reaction to occur, the energy of the system must meet the activation energy threshold. Which best explains why increasing the temperature increases the rate of a reaction? A) Because more particles spread out away from each other B) Because more

*asked on February 15, 2019* -
## Math

I need help and I forgot my book and class please help me solve theses Sr = SQUARE ROOT 1. What is the solution to -75 sr to the nearest integer? (1 point) 9 8 -8 -9 2. Shelly sews a blanket that has an area of 170 square feet. It has 30 square blocks,

*asked on November 7, 2012* -
## math

how much do you need to subtract from 43/10 to make 4 ??

*asked on March 10, 2019* -
## math

If the LCM of two numbers is 60, and the difference between the two numbers is 3, what is the pair of numbers?!?!?!?

*asked on November 11, 2014* -
## Physics

A car is moving at 50 miles per hour. The kinetic energy of that car is 5 × 105 J. How much energy does the same car have when it moves at 114 miles per hour? Answer in units of J

*asked on June 20, 2014* -
## Chemistry?

What mass of sulfur has to burn to produce 4.5L SO2 at 300°C and 101 kPa in the following reaction? S(s) + O2(g) -> SO2(g) A. 3.07 g S B. 68.8 g S C. 41.0 g S D. 13.5 g S

*asked on August 15, 2013* -
## Chemistry ?

How many moles are contained in a 4.67-L sample of gas at 30°C and 199 kPa? A. 1.7 mol B. 11.8 mol C. 0.37 mol D. 3.7 mol I guessed D, but I'm not sure.

*asked on August 15, 2013* -
## Chemistry URGENT

Could someone write out the total ionic equation and the net ionic equation for: 2Na3PO4 (aq) + 3CuSO4 • 5H2O (aq) → Cu3 (PO4)2 (s) + 3Na3SO4 (aq) + 15H2O (l) Cu++ + PO4--- >>> Cu3 (PO4)2 (s) Of course, it needs to be balanced.

*asked on November 26, 2006* -
## Trigonometry

If 5cosA+3=0 and 180(degrees)

*asked on March 30, 2017* -
## Spanish

Need some help with my spanish assignment Complete the following sentences with the correct form of either dar or decir. My answers are in parentheses. I am having trouble, any input is appreciated! 1) Mis amigos (decimos) que hay una fiesta en casa de

*asked on March 10, 2015* -
## Language

Which of the following topics would be most appropriate for an autobiography narrative? A. your opinion of the opening ceremony at the Olympic Games B. your explanation of how to download MP3 files to your personal musical device C. your account of your

*asked on May 15, 2017* -
## Science

a baseball catcher is catching a fastball that is thrown at 43 m/s by the pitcher. if the mass of the ball is .15 kg and if the catcher moves his mitt backward toward his body by 8 cm as the ball lands in the glove what is the force on the mitt?

*asked on February 10, 2016* -
## world history

Rome was considered a republic because? A.)citizens voted for some of there officials B.)patricians had the power to veto bad legislation C.)plebeians supervised the business of government D.)the emperor appointed representatives to the senate I really

*asked on October 25, 2017* -
## physics

a bullet of mass 0.05 kg strikes a wooden block of mass 5 kg and becomes embedded within the block. The block and bullet then fly off at 10 m/s after the collision. What was the original velocity of the bullet if the block was initially at rest?

*asked on November 17, 2016* -
## Physics

Two blocks connected by a string are pulled across a rough horizontal surface by a force applied to one of the blocks, as shown. The acceleration of gravity is 9.8 m/s2 . If each block has an acceleration of 5.2 m/s2 to the right, what is the magnitude of

*asked on June 22, 2014* -
## math

4 is the quotient of 16 and a number n

*asked on January 31, 2019* -
## Physics

A 17.9 kg block is dragged over a rough, hor- izontal surface by a constant force of 74.1 N acting at an angle of angle 32.3◦ above the horizontal. The block is displaced 72.4 m and the coefficient of kinetic friction is 0.242. Find the work done by the

*asked on June 22, 2014* -
## US History

Why was control of the seas so important for the Allies and the Axis?

*asked on February 21, 2011* -
## chemistry

What mass of solid aluminum hydroxide can be produced when 50.0 mL of 0.200M Al(No3)3 is added to 200 Ml of a 0.100M KoH

*asked on November 6, 2009* -
## Chem

What is the correct net ionic equation for the following set of reactants? Ba(OH)2(aq)+H2SO4(aq)---->2H2O(l)+BaSO4 I keep getting the answer as 2OH^- + 2H^+ ----> 2H2O(l) but it counts it wrong.

*asked on October 6, 2010* -
## Chemistry

Anhydrous CuSO4 can be used to dry liquids in which it is insoluble. The CuSO4 is converted to CuSO4.5H2O, which can be filtered off from the liquid. What is the minimum mass of anhydrous CuSO4 needed to remove 12.4g H2O from a tankful of gasoline?

*asked on September 21, 2010* -
## Physics

Consider a torque ⃗τ that is constant in both magnitude and direction, and acts on a rigid body of mass 10 kg at a point 1 m from the pivot. How much work does the torque do on the rigid body, if it turns through an angle of 180◦ while the torque is

*asked on July 2, 2014* -
## chemistry

What mass of solid aluminum hydroxide can be produced when 50.0 mL of 0.200M Al(No3)3 is added to 200 Ml of a 0.100M KoH

*asked on November 6, 2009* -
## Chemistry

One method of removing CO2(g) from a spacecraft is to allow the CO2 to react with LiOH. 2LiOH(s)+CO2(g)---->Li2CO3(s)+H2O(l) How many liters of CO2(g) at 25.5 degrees celsius and 749 Torr can be removed per 9kg of LiOH consumed?

*asked on October 26, 2010* -
## Chem

Enter the net ionic equation for the reaction of aqueous sodium chloride with aqueous silver nitrate. I know the equation is AgNO3(aq)+NaCl(aq)---->NaNO3(aq)+AgCl(s) Is Ag^+(aq)+ Cl^-(aq)--->AgCl(s) right?

*asked on October 6, 2010* -
## NAU

When jumping straight down, you can be seriously injured if you land stiff-legged. One way to avoid injury is to bend your knees upon landing to reduce the force of the impact. A 80.6-kg man just before contact with the ground has a speed of 6.59 m/s. (a)

*asked on April 8, 2014* -
## physics

A ball player hits a home run, and the baseball just clears a wall 17.3 m high located 131.0 m from home plate. The ball is hit an an angle of 35° to the horizontal, and air resistance is negligible. Assume the ball is hit at a height of 1.0 m above the

*asked on September 29, 2011* -
## Algebra

A big sale is happening today at the Newton Shoe Store. You buy two pair od running shoes. The first pair is $64, which is 20% off the original price. The second pair os $72, which is 40% off the original price. what is the persent of discount on the

*asked on March 27, 2008* -
## need asap trigg

simplify the expression by using a double angle formula or a half angle formula: a. 2 tan 7 degrees /1-tan^2 7 degrees b.2 tan 7 theta / 1-tan^2 7 theta

*asked on March 3, 2014* -
## Math

Brenda is building a rectangular pen for her dog. She has enough fencing to build the pen so that it has a perimeter of 36 feet. She wants the pen to have an area of 65 ft2. What are the dimensions of the dog pen? A. 5 feet by 13 feet B. 10 feet by 8 feet

*asked on January 3, 2015* -
## Physics

Given: A flat dance floor of dimensions lx = 24 m by ly =23m and has a mass of M = 1200 kg. Use the bottom left corner of the dance floor as the origin. Three dance couples, each of mass m = 110 kg start in the top left, top right, and bottom left corners.

*asked on July 2, 2014* -
## Physics

In the Bohr model of the hydrogen atom, the speed of the electron is approximately 2.45 × 106 m/s. Find the central force acting on the electron as it revolves in a circular orbit of radius 5.18 × 10−11 m. Answer in units of N

*asked on June 22, 2014* -
## Biochemistry

This is my last question and I just am not getting it for some reason. Prepare a 500 ml of 0.15 M tris buffer, pH 8.25 from tris mono hydrochloride, 0.400 M HCL, and 0.350 M NaOH. Determine amounts needed and them write the recipe. Pka for tris is 8.00

*asked on August 24, 2012* -
## Physics Help

A ball of mass 1.76 kg is tied to a string of length 4.19 m as shown in Figure P6.50. The ball is initially hanging vertically and is given an initial velocity of 9.4 m/s in the horizontal direction. The ball then follows a circular arc as determined by

*asked on September 26, 2011* -
## Chemistry HELP

40.0 mL of 0.1880 M formic acid is titrated with 30.0 mL of 0.2010 M NaOH. Pka of formic acid is 3.8. What is the pH of the titration?

*asked on December 9, 2010* -
## Social Studies 30

Explain the relationship between the objectives of the General Agreement on Tariffs and Trade and the concept of free trade.

*asked on November 11, 2008* -
## Trigonometry

If 5cosA+3=0 and 180(degrees)

*asked on March 27, 2017* -
## Trigonometry

If 5cosA+3=0 and 180(degrees)

*asked on March 27, 2017* -
## Physics

Given: A flat dance floor of dimensions lx = 24 m by ly =23m and has a mass of M = 1200 kg. Use the bottom left corner of the dance floor as the origin. Three dance couples, each of mass m = 110 kg start in the top left, top right, and bottom left corners.

*asked on July 2, 2014* -
## physics

A spring with spring constant of 30 N/m is stretched 0.19 m from its equilibrium position. How much work must be done to stretch it an additional 0.077 m? Answer in units of J

*asked on June 24, 2014* -
## Math-Probability

Please explain how to get the answer.I have now idea. 1.If you roll two fair dice,one red and one green,what is the probability of getting a 2 on the red die and a 3 on the green die? Give answer in a reduced fraction. 2.If you roll two fair dice,one red

*asked on November 14, 2013* -
## Physics!

A roller coaster track is designed so that the car travels upside down on a certain portion of the track, as shown in Figure P5.20. What is the minimum speed the roller coaster can have without falling from the track? Assume the track has a radius of

*asked on September 20, 2011* -
## pre-algebra

I can not solve this problem: 3/4 =5/x

*asked on May 9, 2011* -
## Physics

A horizontal disk with a radius of 23 m ro- tates about a vertical axis through its center. The disk starts from rest and has a constant angular acceleration of 5.5 rad/s2. At what time will the radial and tangen- tial components of the linear acceleration

*asked on July 2, 2014* -
## Physics

Two objects, A and B, have the same kinetic energy. A has a speed that is 12.1 times greater than the speed of B. What is the ratio of the mass of B to the mass of A? I'm not sure how to do this one given... KE_A = KE_B & V_A = 12.1V_B How do I find the

*asked on September 26, 2011* -
## Finance

Consider the following projects, for a firm using a discount rate of 10%: project NPV IRR PI A $200,000 12.2% 1.04 B $200,001 11% 1.01 C $60,000 10.1% 1.61 D $(235,000) 9% .95 If the projects are independent, which, if any, project(s) should the firm

*asked on November 17, 2009* -
## Math (Algebra)

How do you know if a value is a solution for an inequality? How is this different from determining if a value is a solution to an equation? If you replace the equal sign of an equation with an inequality sign, is there ever a time when the same value will

*asked on October 1, 2009* -
## Physics

While standing at the edge of the roof of a building, you throw a stone upward with an initial speed of 6.05 m/s. The stone subsequently falls to the ground, which is 12.7 m below the point where the stone leaves your hand. At what speed does the stone

*asked on September 27, 2016* -
## physics

A rain cloud contains 3.11 × 107 kg of water vapor. The acceleration of gravity is 9.8 m/s2 . How long would it take for a 1.8 kW pump to lift the same amount of water to an altitude of 20000 m? Answer in units of years

*asked on June 25, 2014* -
## Chemistry

I have to sort compounds into groups, separating them by if they are acidic, Ionic, or Covalent. Heres the list: Calcium Carbonate Sodium Hypochlorite Sodium Chloride Sodium Hydrogen Carbonate Acetic Acid Ammonium Hydroxide Silicon dioxide Magnesium

*asked on December 10, 2012* -
## science

please help me i am in 4th grade and i need help on my science project. my science project is, is smiling contagious and i have no idea what to do for research and data

*asked on November 25, 2012* -
## math

Two adjacent sides of a rhombus are represented by 5x+7 and 6x-1. Find the value of x

*asked on May 12, 2010* -
## math

drawing a red checker from bag of 9 black checksrs and 6 red checkers, replacing it and drawing another red checker

*asked on January 25, 2010* -
## math

Five divers found three chests of coins. they decided to divide the treasure evenly. what portion of the chest would each one get ?

*asked on January 23, 2017* -
## Chemistry

What is the volume of 2.0 kg of isopropyl alcohol at 20 degrees Celsius? Density at 20 degrees is 0.785g/ml. I got .00255 ml when using 3 sig figs.

*asked on February 14, 2016* -
## Math

At a shoe store, all shoes are on sale for $20 off the regular price. If p represents the regular price, write an expression to represent the sale price.

*asked on January 19, 2016* -
## physics

A single constant force 18.1 N acts on a particle of mass 2.92 kg. The particle starts at rest at t=0. What is the instantaneous power delivered by the force at t=4.48s? Answer in units of W

*asked on June 25, 2014* -
## Physics

A string under a tension of 68 N is used to whirl a rock in a horizontal circle of radius 3.7 m at a speed of 16.53 m/s. The string is pulled in, and the speed of the rock increases. When the string is 0.896 m long and the speed of the rock is 71.5 m/s,

*asked on June 22, 2014* -
## Chemistry

Make sure the water’s Mass is still set to 1.0 kg and its Temp is 25 °C. Set the cylinder’s Height to 500 m. How does doubling the mass affect the temperature change of the water?

*asked on October 22, 2013* -
## Math

For a chemistry experiment, Heather needs 3.75 grams of salt. How many decigrams of salt does Heather need?

*asked on March 24, 2013* -
## Geometry

Find KN and LM. In triangle LKM, angle L is bisected. Line segment LK is 11, line segment KN is x-4, line segment NM is 5.4, and line segment LM is 2x + 1.3 (there is a drawing of this triangle) Thanks.

*asked on February 1, 2013* -
## science

why does the sun come out write after i rains

*asked on January 6, 2013* -
## Physics

Asteroid satellite: While on its way to Jupiter in 1993, the Galileo spacecraft made a flyby of asteroid Ida. Images captured (Fig. P5.66) of Ida discovered that the asteroid has a tiny moon of its own, since given the name Dactyl. Measurements found that

*asked on September 20, 2011* -
## healthcare

Hospitals are generally categorized as nonprofit, for-profit or government. • Provide a few details about the three categories of hospitals. Identify at least one example of each from your community or state. • What are the differences in populations

*asked on May 26, 2011* -
## Math/Writing-HELP PLEASE

Explain why a trapezoid a quadrilateral, but why all trapezoids are not always quadrilaterals. If a shape has four sides, no equal angles or sides, what is it? This is an opinion fill in the blank, but I can't think of any words. You give me love, You gave

*asked on March 7, 2011* -
## Math

A rectangular pad of concrete is outlined by a 52-m stripe of paint. Find the dimensions of this pad if the surface area is 168m^2.

*asked on February 3, 2010* -
## math

-3(2x+3-8)

*asked on October 1, 2009* -
## Algebra

My homework is to solve by completing the square. But how can you complete the square on this problem? -3x^2 + 7x - 8 The -3 doesn't factor out.

*asked on October 25, 2007* -
## Bio

2) A person’s wedding on a hot day would most likely be an example of what biological process A digestion B respiration C homeostasis D gametogemesis

*asked on September 17, 2018* -
## chemistry

The rate law is : rate = k [NO2]^2. Write an equation for the overall reaction. Identify the intermediate. Which elementary reaction is the slow one? I've been looking in my book on how to do this but I can't find how. Also, could you please explain the

*asked on May 8, 2017* -
## math

Five divers found three chests of coins. they decided to divide the treasure evenly. what portion of the chest would each one get ?

*asked on January 23, 2017* -
## Math

What is the surface area of a pyramid height of 4.5in. and base of 5in.?

*asked on May 23, 2016* -
## Stats

A telephone company’s goal is to have no more than five monthly line failures on any 100 kilometres of line. The company currently experiences an average of two monthly line failures per 50 kilometres of line. Let x denote the number of monthly line

*asked on November 28, 2015* -
## Physics

A 2.73 kg particle has a velocity of vx = 6.02 m/s and vy = 0.316 m/s. Find the magnitude of its total momentum. Answer in units of kg · m/s

*asked on June 27, 2014* -
## Math Trigg

Find sin 2x, cos 2x, and tan 2x from the given infomation csc x=4, tan x < 0

*asked on March 3, 2014* -
## Legal Studies

I nee help to write my legal studies assignment that's due tomorrow,any want to help?

*asked on August 15, 2013*

## Pages

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