# Kat

Newest questions and responses by Kat-
## Business Math

Lee and Fred are elementary school teachers. Fred works for a charter school in Pacific Palisades, California, where class size reduction is a goal for 2013. Lee works for a noncharter school where funds do not allow for class size reduction policies.

*asked on December 13, 2018* -
## 8th grade algebra

A gardner at a nursery is filling pots with soil to prepare to transplant seedlings into these larger pots. Each new pot needs about 27 cubic inches of soil. The amount of soil s (in cubic inches) it takes to fill p pots is given by the function s=27p. a.

*asked on December 7, 2018* -
## Math

Ms. Jones borrows 3.120M for 5.5% interest compounded monthly. What is the periodic payment needed after 15yrs?

*asked on November 3, 2018* -
## Math

Marcus studies two plant cells in biology class. One cell measures 8.0 * 10^-4 centimeter across. The other cell measures 2.0 * 10^-3 centimeter across. Marcus wants to know how many times greater the size of the larger cell is. He concludes that the

*asked on October 19, 2018* -
## Math

A squirrel jumps into the air with a velocity of 7 m/s at an angle of 20°. What is the maximum height reached by the squirrel? I have my answer as 29.2 Am I right?

*asked on October 17, 2018* -
## Science

Which statement gives an example of asexual reproduction? A. Two bears mate and produce more bears. B. A new strawberry plant grows from a runner of a strawberry plant. C. A zucchini is produced from pollinated flowers. D. Children have genetic information

*asked on October 16, 2018* -
## Math

How long will 875 double itself at the rate of 8% simple interest?

*asked on October 16, 2018* -
## Spanish

Suppose you are babysitting your little brother. In Spanish, tell him to do three things using the verbs hacer, ir, and ser. Example: Ver a tu cuarto. I need help! Someone please help me!

*asked on October 3, 2018* -
## Language arts

The word severe means "harsh" . Based on this information and your knowledge of the Latin suffix - ity, what is the meaning of severity? A) harsher B) one who is harsh C) capable of being harsh D) the quality of being harsh

*asked on September 23, 2018* -
## S.S

What was a common theme shared by the maya and the aztec civilizations?

*asked on September 10, 2018* -
## math

By analyzing the normals, determine if the two planes intersect in a line, are parallel and distinct, or are coincident. x+2y+3z-3=0 2x-y+z-7=0

*asked on June 19, 2018* -
## math

if vector U= (1,-3,-2) and vector V= (4,-5,3) find | u+v-5j |

*asked on June 10, 2018* -
## Geometry

which is the equation of a circle with center (5, -2) and a radius of 3?

*asked on May 31, 2018* -
## Physics

A proton moves in a constant electric field E from A to pointB. The magnitude of the elctric field is 4.2x10^4 n/c; Thedirection opposie to that of the proton. If the distance from pointA to point B is 0.18m, what is the change in the proton's

*asked on April 5, 2018* -
## alebra

Let f(x)=2x^2+x-3 and g(x)=x-1. Perform the indicated operation then find the domain. (f*g)(x) a.2x^3-x^2-4x+3; domain:all real numbers b.2x^3+x^2-3x; domain: all real numbers c.2x^3+x^2+4x-3; domain: negative real numbers d.2x^3+x-3x+3; domain: positive

*asked on February 18, 2018* -
## Heath and PE

According to the dietary guidelines for Americans, which of the following is important in order to maintain a healthy weight? Get all the nutrients your body needs Balance calories eaten with activity level Wash hands when preparing food Eat nutrient-dense

*asked on February 17, 2018* -
## social studies

How did textile factories improve the economy of South Carolina?

*asked on February 8, 2018* -
## Calculus

Score for Question 2: ___ of 40 points) For the polynomial (x)=x^5-5x^4+12x^3-24x^2+32x-16 , answer the following questions. Show all of your work. How many zeros does the function have over the set of complex numbers? What is the maximum number of local

*asked on January 17, 2018* -
## Math

Josh says that 3/8 is the same as 38% explain why he is wrong.

*asked on November 30, 2017* -
## Algebra

Ribbon is sold at 3 yards for $6.33. Jackie bought 24 yards of ribbon for a project. How much did she pay? I am pretty sure it is $50.64 PLEASE CHECK MY ANSWER

*asked on October 23, 2017* -
## History

During the Protestant Reformation, which church used new genres such as the Anglican chant, the anthem, and the long and short services? a) Calvinist Movement b) Lutheran Church c) Catholic Church d) Church of England I think it might be A but I'm not

*asked on October 20, 2017* -
## Maths

-5r+6

*asked on October 18, 2017* -
## Math

I desperately need help in solving this. -4>/= 4(6y-12)-2y I have not found an answer yet.

*asked on October 18, 2017* -
## Chinese

What tone mark is used in the pinyin term "zhè"? A. Dipping B. Dipping then rising C. Falling

*asked on October 18, 2017* -
## Vet Science

How many Pin bones does a goat have? I think 2

*asked on October 17, 2017* -
## Ed Tech

The famous social reformer Fredrick Douglas was born in 1818 in Tuckahoe, Maryland. He was raised mostly by his grandmother. Douglas was born a slave and remained to be so until 1838, when he escaped slavery by using borrowed papers of a freed slave and

*asked on October 17, 2017* -
## Social Studies

What did we gain of the treaty of Versailles out of the fourteen points plan?

*asked on October 17, 2017* -
## Social Studies

What do the 15th, 19th, and 26th amendments have in common? A. Voting Rights B. Religious Rights C. African American Rights D. Women's Rights

*asked on October 17, 2017* -
## Calculus 3

The base of an decorative rectangular feature with a volume of V = 225 ft^3 is to be constructed in a restaurant. The bottom is made of marble, the sides are made of glass, and the top is open. If marble costs five times as much (per unit area) as glass,

*asked on October 9, 2017* -
## Math

The coordinates A(0, 0), B(0, 3), C(4, 3) and D(4, 0) are graphed and connected together. What 3-dimensional shape will be created when this shape is rotated about the y-axis? Provide an explanation and proof for your answer to receive full credit. My

*asked on June 9, 2017* -
## 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

*asked on May 6, 2017* -
## 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

*asked on April 3, 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

*asked on February 25, 2017* -
## 8th Social studies

Explain why Lincolns assassination put the future of the nation in question?

*asked on February 24, 2017* -
## US history 8th

what is the grandfather clause?

*asked on 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?

*asked on 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?

*asked on 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

*asked on February 24, 2017* -
## Science- Earth

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

*asked on February 22, 2017* -
## Social studies

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

*asked on 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?

*asked on 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?

*asked on 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?

*asked on 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?

*asked on 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.

*asked on January 27, 2017* -
## Chemistry

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

*asked on January 19, 2017* -
## Chemistry

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

*asked on January 19, 2017* -
## 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

*asked on 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

*asked on November 15, 2016* -
## Math

Distribute 35-15

*asked on 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.

*asked on October 15, 2016* -
## Intermediate algebra

8x (x-1)=ø

*asked on 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.

*asked on 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.

*asked on August 29, 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

*asked on 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?

*asked on August 24, 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

*asked on August 23, 2016* -
## all

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

*asked on June 17, 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

*asked on June 7, 2016* -
## Chemistry

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

*asked on 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.

*asked on May 27, 2016* -
## Chemistry

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

*asked on 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

*asked on 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 ?

*asked on May 26, 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

*asked on May 26, 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.

*asked on May 25, 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

*asked on 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

*asked on May 13, 2016* -
## chemistry

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

*asked on 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

*asked on 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

*asked on 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

*asked on May 1, 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?)

*asked on April 15, 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

*asked on 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

*asked on 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

*asked on 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

*asked on 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

*asked on March 21, 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

*asked on February 21, 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

*asked on February 6, 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

*asked on January 24, 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?

*asked on January 18, 2016* -
## English12

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

*asked on December 10, 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?

*asked on 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?

*asked on 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

*asked on 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?

*asked on November 18, 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.

*asked on October 22, 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=

*asked on October 6, 2015* -
## Math

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

*asked on October 2, 2015* -
## Oklahoma History

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

*asked on 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?

*asked on September 21, 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

*asked on September 21, 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?

*asked on 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

*asked on 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

*asked on 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

*asked on June 20, 2015* -
## CHEMISTRY

50 ML OF ACID AT 1.836 SPECFIC GRAVITY HOW MANY GRAMS OF ACID?

*asked on May 20, 2015* -
## Calculating and Reporting Healthcare Statistics

How do you: Calculate the total inches of documents filed per day for all clerks. Calculate the total documents filed per day for all clerks. Calculate the weekly total inches of documents filed per clerk (round to two decimal points). Calculate the weekly

*asked on April 23, 2015* -
## linear algebra

Find the inverse of each of the following orthogonal matrices. A= [1 0 0 0 cos(theta) sin(theta) 0 -sin(theta) cos(theta)]

*asked on April 21, 2015*