# Kimberly

Popular questions and responses by Kimberly-
## Physics Help Please!

A block of mass is moving along the horizontal frictionless surface with a speed of 5.70 m/s. If the slope is 11.0° and the coefficient of kinetic friction between the block and the incline is 0.260, how far does the block travel up the incline? Show step

*asked on November 5, 2014* -
## Biology

A blue eyed man whose parents were brown eyed marries a brown eyed woman whose father was brown eyed whose mother was blue eyed they have one female child who is blue eyed make a pedigree chart based on the information above.

*asked on January 18, 2013* -
## Chemisty

Calculate the Volume occupied by 1.5 moles of an ideal gas at 25 degrees Celsius and a pressure of 0.80 atm. (R= 0.08206 L atm/(mol*K). I've tried using the ideal gas law: PV=nRT but i can't seem to get where I am getting lost. V=(1.5mol)(0.08206 L

*asked on March 29, 2017* -
## algebra

how many tiles 10cm by 25cm on each side is needed for a bathroom 8m by 10m? I need help on how to solve it... I learned how to do this in 8th grade but I'm now in 10th and I forgot how to do it. I'm preparing for the highschool exit exam and I need to do

*asked on February 16, 2015* -
## Pre-Calc

A point on the terminal side of an angel theta is given. Find the exact value of the indicated trigometric function (-1/5,1/2 ) find cos theta

*asked on October 20, 2014* -
## Math

A square has the same area as a rectangle whose longer side is 2 times the length of its shorter side. If the perimeter of the rectangle is 24, what is the perimeter of the square? A. 8 sqrt 2 B. 16 sq

*asked on August 8, 2018* -
## Biology Help Please!

1) Which tube will be most 'yellow' at the end of the experiment? ( For Enzyme Kinetics Experiment) a) Substrate Concentration: 0.006M (my answer) Inhibitor: absent b) Substrate Concentration: 0.006M Inhibitor: un-competitive inhibitor present c) Substrate

*asked on June 19, 2016* -
## Physics Questions Help Please!

1) The lowest tone to resonate in an open pipe of length L is 1600 Hz. What is the frequency of the lowest tone that will resonate in a closed pipe of length 2L? a) 100 Hz b) 1.60 Hz c) 200 Hz d) 0.800 kHz 2) Which of the following does not increase as a

*asked on December 5, 2014* -
## English

Read the conversation at a peer review for Ben’s short story. “It seems your central character has a really cool power: being able to hear what others are thinking,” Tom said. “Actually, I think it was more of a jinx,” replied Ben. “Being able

*asked on February 9, 2014* -
## algebra

Explain the difference between solving a system of equations by the algebraic method and the graphical method. Someone also wants to know why there are different methods for solving the same problem-what would you tell him? Tiffany Oakes

*asked on July 12, 2010* -
## Social studies

Since the 1800s, which human activity has changed land use and led to the growth of large cities in many countries? A.industrialization B.colonization C.pollution D.rural population growth

*asked on August 21, 2018* -
## chemistry

Lithium chlorate is decomposed with heat to give lithium chloride and oxygen gas. If 2.23g of lithium chlorate is decomposed, how many milliliters of oxygen are released at stp?

*asked on April 28, 2015* -
## Math

To determine what effect the salespeople had on purchases, a department store polled 700 shoppers as to whether or not they had made a purchase and whether or not they were pleased with the service. Of those who had made a purchase, 125 were happy with the

*asked on November 20, 2009* -
## converting parabolic equations

The vertex form of the equation of a parabola is x=8(y-1)^2-15. What is the standard form of the equation?

*asked on April 23, 2016* -
## converting parabolic equations

The vertex form of the equation of a parabola is x=8(y-1)^2-15. What is the standard form of the equation?

*asked on April 23, 2016* -
## Mth 156

A company will need $35000 in 6 years for a new addition. To meet this goal the company deposits money in an account today that pays 6% annual interest compounded quarterly. Find the amount that should be invested to total $35000 in 6 years. The company

*asked on August 7, 2015* -
## Business

Essie and Ruby sell Blu-Ray players. Last month Essie sold 35 less Blu-Ray players than Ruby. Together they sold 145. How many Blu-Ray players did Essie sell?

*asked on August 9, 2013* -
## pre-calc

cosx= -8/17, 180

*asked on April 21, 2012* -
## math

Find the probability of at least one birthday match among a group of 48 people.

*asked on April 18, 2010* -
## International Economics

When is international trade an opportunity for workers?

*asked on July 18, 2008* -
## MTH 156

When two gears are mashed the revolution per minutes (rpm) are inversely proportional to the number of teeth, as show below. In one machine the rpm ratio of the larger gear to the small gear is 4:7 The small gear has 216 teeth In second machine the larger

*asked on August 5, 2015* -
## Math

A dress is on sale for a 15% discount, meaning 85% of the price remains. If the sale price of the dress is $51, then the original price of the dress was $.

*asked on June 30, 2014* -
## Calculus

If 40 milligrams of strontium-90 radioactively decays to 12 milligrams in 30 years, find its half-life (the number of years it takes until half of it remains). Use the formula A = p ⋅ e−kt, where p is the amount and A the (smaller) final amount.

*asked on March 26, 2014* -
## Excel formula help

Formula to multiply the number in cell 4k times standard deviation of the numbers in cell z2 through z10 I don't understand cell z2 through z10 I have never had excel (4kxz2xz10) Please write this correctly

*asked on January 27, 2013* -
## Excel help

How would I write a formula to multiply the number in cell k4 times the standard deviation of the numbers in cell z2 through z10

*asked on January 27, 2013* -
## Excel help please

How would I write a formula to multiply the number in cell z675 times the number in cell a1

*asked on January 27, 2013* -
## statistics

IQ scores are normally distributed with a mean of 105 and a standard deviation of 18. Assume that many samples of size n are taken form a large population of people and the mean IQ score is computed for each sample. If the sample size is n=64, find the

*asked on September 13, 2012* -
## chemistry

in 1807 the English chemist Humphrey Davy passed an electric current through molten potassium hydroxide and isolated a bright, shiny reactive substance. He claimed the discovery of a new element, which he names potassium. In those days, before the advent

*asked on May 21, 2011* -
## Psychology

"How are a cat and a dog alike?" An answer to this question requires: a.crystallized intelligence b.intrapersonal intelligence c.fluid intelligence d.Eastern intelligence

*asked on December 30, 2010* -
## science

an adult male's heart pumps about 2.8 million liters of blood a year. It his heart beats 70 times a minute, how much blood does his heart pump with each heart?

*asked on April 7, 2008* -
## 7th grade math

A man has a basket of eggs. He wants to cross a toll bridge but has no money. The first toll collector says he will let the man pass if he gives him half of his eggs and half an egg. When he gets to the next toll collector he still has no money. Again the

*asked on October 15, 2006* -
## Math Check

Which nonterminating decimal can be converted into a rational number? 0.818118111... 0.020304050... 0.010110111... 0.321321321... *** George has a square sandbox in the backyard. The sandbox has an area of 160 square feet. To the nearest foot, what is the

*asked on November 30, 2016* -
## Chemistry Help Please!

1) You have a protein at 20 ug/ml. Its MW =10,000. What is the concentration in molarity? Show work please! 2) You are asked to make 30 mL of a solution at 0.03M using the 0.10M stock solution. How many mililliliters of water do you use to make this

*asked on July 3, 2016* -
## math

the standard form of the equation of a parabola is y=x^2-6x+14.what is the vertex form of the equation?

*asked on April 23, 2016* -
## Grammar

On many mornings, the sky is adorned with peach-and-melon-colored ribbons as a blazing SOLAR sun begins to peek over the horizon. 1) Which choice would be the most consistent with the figurative description provided elsewhere in the sentence? A. No change

*asked on July 6, 2015* -
## chemistry

How many joules is required to change the temp of 225 g of lead from 5.0*C to 25*C. specific heat of lead is 0.139J/g*C. I came up with 5805 and it just doesn't look right.

*asked on April 29, 2015* -
## physics

A ball is thrown horizontally from the top of a building 43.4 m high. The ball strikes the ground at a point 57.3 m from the base of the building. The acceleration of gravity is 9.8 m/s^2. a. Find the time the ball is in motion. Answer in units of s. b.

*asked on January 2, 2015* -
## Algebra

The fuel efficiency for a certain midsize car is given by E(v) = −0.017v^ + 1.462v + 3.5 where E(v)is the fuel efficiency in miles per gallon for a car traveling v miles per hour. (a) What speed will yield the maximum fuel efficiency? Round to the

*asked on December 1, 2014* -
## chemistry

the frequency factor and activation energy for a chemical reaction ate A=4.8 x 10^-12cm^3 and Ea=11.1kJ/mol at 327 K respectively. Determine the rate constant for this reaction at 327K

*asked on November 11, 2014* -
## Chem Help Please!

Explain why the stability of alkyl carbocations is: tertiary > secondary > primary > methyl Thanks!

*asked on October 21, 2014* -
## Calculus

The amount of carbon-14 still present in a sample after t years is given by the function where C0 is the initial amount. Estimate the age of a sample of wood discovered by an archeologist if the carbon level in the sample is only 18% of its original

*asked on March 26, 2014* -
## english

Which one of the following is a correct example of the singular possessive case? A. king's rights B. audiences' reaction C. women's club D. who's job I think it's C.

*asked on March 21, 2014* -
## history

at the constitutional convention in pj hiladelphia, madison drafted the plan presented by virginia govenor randolph, and william patterson of ____ presented a plan that was similiar to the articles of confederation. Thank you in adavance, I was stuck on 3

*asked on November 18, 2013* -
## math

Find the slope m of the tangent line to the graph of the function at the given point and determine an equation of the tangent line. f(x)=7x-5x^2 at (-2,-34) m = ?? y = ?? .

*asked on March 4, 2013* -
## Pre-Calculus

Evaluate the expression under the given conditions.? show work please! sin(A-B); tan A=12/5, A in quadrant 3, sinB=-3sqrt(10)/10, B in quadrant 4.

*asked on April 21, 2012* -
## Chemistry Help Please!!!

For each of the reactions below give a balanced equation. 1)Methane (CH4) with chlorine to give chloroform (CHCL3)and hydrogen cloride. 2) Sodium Hydroxide with phosphoric acid. 3)sodium carbonate with sulfuric acid. 4) sodium sulfide with hydrochloric

*asked on March 26, 2012* -
## Statistics

Is this right? and how can I break it down if needed? A factory’s worker productivity is normally distributed. One worker produces an average of 75 units per day with a standard deviation of 20. Another worker produces at an average rate of 65 per day

*asked on February 11, 2011* -
## Math

32 lb 12 oz = ____ lb plz put explanation

*asked on April 21, 2020* -
## chemisty

If our actual yield from this reaction was 12 grams of sodium chloride (NaCl), what would our percent yield for this reaction be?

*asked on April 17, 2020* -
## history

One result of the expanding railroad system was that A. Native Americans were able to protect the buffalo on the plains B. the mining and meat packing industries developed C. Chinese immigrants could leave New England and move west D. the Panama Canal

*asked on February 25, 2020* -
## math

I am having trouble with converting and finding unit rates relating to meters and kilometers and doing double number line can someone help me through these concepts?

*asked on October 24, 2019* -
## Physics

A wave sent out from a source is reflected back to the source in 1.0*10^-3 if the velocity of the wave is 3.0*17^8 the distance of the reflecting surface from the source is?

*asked on June 1, 2019* -
## science

a race car moves at a constant speed around an oval tracks. is the car accelerating? why or why not

*asked on April 25, 2019* -
## Math

If a owner gets a shipment of1532 cd,s and they came in 37boxes and the same number of cd’s were in the boxes how many would be in the remaining box

*asked on September 4, 2018* -
## Social Studies

Which method of showing Earth's surface is the most accurate? A. An equal-area projection B. A scale-model globe C. A Mercator projection D. A Robinson projection

*asked on August 14, 2018* -
## sociology

In your own words, explain “impression management” and how this impacts our interactions with others.

*asked on May 25, 2018* -
## 6th grade math

A jogger is running around a 3/4 mile track and is 2/3 around the track. How far has the jogger traveled?

*asked on May 8, 2018* -
## Honors English

Can somebody please let me know or show me a website that clarifies what the elements of the Restoration comedy are? Also how food consumption relates to the play "The Importance of Being Earnest"?

*asked on January 21, 2018* -
## Computer program and design

Design a class called SimpleCalculator using psudoecode that contains public methods named add(), subtract(). Each of the methods accepts two numeric arguments and returns a number that represents the result of the appropriate arithmetic operation. Design

*asked on April 15, 2017* -
## Accounting

During 2013, Moore Corporation paid $14,000 of dividends. Moore's assets, liabilities, and common stock at the end of 2012 and 2013 were: 12/31/2012 Total Assets:$144,200 Total Liabilities:$52,600 Common Stock:$60,000 12/31/2013 Total Assets:$178,500 Total

*asked on April 4, 2017* -
## Geometry

I really don't understand this.... You want 12feet to equal 9inches on the blueprint. What scale factor must you use to create an accurate blueprint?

*asked on March 29, 2017* -
## Algebra 2 pleaase help me out!!

Katrina owns a sandwich shop. She wants to know if she can sell more chicken sandwiches if they are prepared with a special sauce. Katrina sells regular chicken sandwiches on a random sample of 10 days and she sells sandwiches with the special sauce on a

*asked on December 8, 2016* -
## science

how many moles of h2 can be prepared from 3moles of Fe ?

*asked on November 22, 2016* -
## Biology Help Please!

1) Which tube will be most 'yellow' at the end of the experiment? a)Substrate Concentration: 0.006M Inhibitor: absent b)Substrate Concentration: 0.006M Inhibitor: un-competitive inhibitor present c) Substrate Concentration: 0.0005M Inhibitor:

*asked on June 18, 2016* -
## Biology Help Please!

)Describe the importance of chromatin remodeling process to transcription. Select the four correct answers. a) These alterations can be used to activate transcription of a gene by hiding its enhancer sequences. b) These alterations can be used to activate

*asked on April 24, 2016* -
## Genetics Help!!!!

1 ) When the kinase ATM is activated after DNA damage occurs in the cell a. it can directly phosphorylate p53, which is then stabilized b. it can directly phosphorylate p53, which is then targeted for degradation by MDM2 c. it can phosphorylate the p53

*asked on April 9, 2016* -
## Math

A piece of cable 85 cm long weighs 52 grams. What will a 10cm length of th same weigh?

*asked on March 3, 2016* -
## perimeter

The screen T.V. of Bradley is 15 m 20 m. It wants to put the new cover on the screen of T.V. which costs $25 per square meter. How much the cost-t-it to cover its screen T.V.?

*asked on February 1, 2016* -
## math

For every boy taking classes at the music school , there are 3 girls who are taking classes at the school . if there are 128 students taking classes , write and solve a proportion to predict the number of girls taking classes at the school

*asked on October 12, 2015* -
## algebra

If the temperature was 73 degrees outside at 5:00 p.m., but it fell 19 degrees by 10:00 p.m., what is the temperature at 10:00 p.m.? Write equation and solve.

*asked on August 29, 2015* -
## math

whats 3-7+(8+9)=

*asked on August 21, 2015* -
## Math help

Convert the repeating decimal to a/b form, where a,b are integers and b =0(there is a slash through the equal sign) 2.36(there is a line over .36)'

*asked on August 5, 2015* -
## Lemoyne Owen College

Math- If the gas is initially at room temperature (20celsius)and is heated in an isobaric (constant pressure) processing then what will be the temperature of gas in degree Celsius when it has expanded to a volume of 0.700 m to the third power

*asked on July 15, 2015* -
## Math

Which statements is false? A. A decimal fraction has a multiple of 10 as a denominator. B. Every rational number can be associated with a point in the real number line. C. A terminating decimal cannot be expressed as a repeating decimal. D. The set of

*asked on July 8, 2015* -
## Science

Scientists who study abnormal animal behavior would probably know much about A. Astronomy B. biology C. Geography D. History

*asked on July 8, 2015* -
## English

What does "articulated with characteristic eloquence" mean? Thanks.

*asked on July 7, 2015* -
## Math

A court is 94ft long by 50ft wide. It has 3 circles each 12ft diameter. Two of the circles are at the free throw line and the third is at the center of the court. Within the 3rd circle is another circle with a radius of 2ft.The key is rectangular region on

*asked on May 17, 2015* -
## chemistry

I posted my specific heat wrong. Now, how many joules is required to change temp of 225 g of lead from 5.0*C. specific heat of lead is 0.129J/g*C. I came up with 5805. It just doesnt look correct. Please help

*asked on April 29, 2015* -
## physics

A 0.5 kg rock is projected from the edge of the top of a building with an initial velocity of 9.66 m/s at an angle of 41 degrees. The building is 10.1 m in height. At what horizontal distance, x, from the base of the building will the rock strike the

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

A marathon runner ran the first 4 miles in 27.8 minutes. If she continues running at this pace, how long will it take her to run the entire marathon of 26.2 miles?

*asked on December 9, 2014* -
## Physics help - Waves and Sound Questions

1) A 1.50-m long gas column that is open at one end and closed at the other has a fundamental resonant frequency 80.0 Hz. What is the sound speed in this gas? a) 120 m/s b) 30.0 m/s c) 480 m/s d) 213 m/s e) 53.3 m/s 2) You drop a stone down a well. You

*asked on November 25, 2014* -
## Algebra

The number of bass in a lake is given by P(t) = 2800/1 + 6e^−0.05t where t is the number of months that have passed since the lake was stocked with bass. (a) How many bass were in the lake immediately after it was stocked? 400 bass (b) How many bass were

*asked on November 17, 2014* -
## Algebra

A veterinarian uses 300 feet of chain-link fencing to enclose a rectangular region and also to subdivide the region into two smaller rectangular regions by placing a fence parallel to one of the sides, as shown in the figure. (a) Write the width w as a

*asked on November 4, 2014* -
## math

write an equation to represent the statement"four less than the product of three and x is twenty-three" 3x - 4= 23 4x - 3x = 23 4x - 3 = 23 3 - 4x = 23

*asked on November 3, 2014* -
## Physics Help Please!!!! Check!

if I weigh N on Earth and 5320 N on the surface of a planet, what is the acceleration due to gravity on that planet? mg=702N m=702/9.8=71.6 kg mg=5320N g=5320/71.6=74.3 m/s^2

*asked on October 17, 2014* -
## Physics Help Please!!!! Urgent!!

1) A 10 kg lead brick rests on a wooden table. if a force of 46N is required to slide the brick across the table at a constant velocity, what is the coefficient of friction? 2) A horizontal force of 100N is applied to a 200 kg refrigerator sitting on a

*asked on October 16, 2014* -
## Sciene

Is Meiosis actually Mitosis happening twice? My answer- Yes because they are both a cell division process.

*asked on May 10, 2014* -
## Math

The regular pentagon have a perimeter of 18.8 units. What is the value of X?

*asked on April 12, 2014* -
## spanish

Usted debe corregir las pruebas. Usted tiene que darme más tiempo. Usted debe ir con nosotros. Usted no debe mascar chicle. Usted no tiene porqué hacerlo, que lo hagan ellos.

*asked on April 7, 2014* -
## physics

A ball is thrown horizontally from the top of a building 32.3 m high. The ball strikes the ground at a point 110 m from the base of the building. The acceleration of gravity is 9.8 m/s 2 . Find the time the ball is in motion. Answer in units of s

*asked on October 14, 2013* -
## Nutrition-Help Please

What does LBM (muscle mass) have to do with BMR? Identify the four primary factors that most directly affect basal metabolism by affecting LBM.

*asked on June 21, 2013* -
## Math Please Help!!

Find the slope and the equation of the tangent line to the graph of the function f at the specified point. f(x)=-10/3x^2+6x+6; (-1, -10/3) slope ?? tangent line y = ?

*asked on March 1, 2013* -
## math

Find the derivative of the function f by using the rules of differentiation. f(x)=7x^4/3-2/3x^3/2+2x^2-5x+1 f '(x) = ??

*asked on March 1, 2013* -
## math

Find the slope and the equation of the tangent line to the graph of the function f at the specified point. f(x)=-10/3x^2+6x+6; (-1, -10/3) slope ?? tangent line y = ?

*asked on March 1, 2013* -
## history

most republicans in the late 1800 were protestants who their party as the defender of traditional American values true or false?

*asked on November 12, 2012* -
## CHEMISTRY

What is the energy of a photon with a frequency of 3.5 X 10ˆ15 sˆ-1 in J/photon? In J/mol?

*asked on September 7, 2012* -
## CHEMISTRY

What is the wavelength in meters for light having a frequency of 2.40 X 10ˆ12 sˆ-1? What portion of the electromagnetic spectrum does this belong?

*asked on September 7, 2012* -
## Business math

As a professional photographer, Marion has seen the trend away from film cameras as customers purchase low-end digital cameras and printers in order to avoid processing fees associated with film-based cameras. She would like to offer a new service to

*asked on April 16, 2012* -
## chemistry

what volume of hydrogen sulfide is produced by reaction of 0.5 mole of sodium sulfide with hydrochloric acid at a temp. of 20C and a pressure of 722 mm.

*asked on April 12, 2012* -
## physics

an electric heating element is conneceted to a 110V circuit and a current of 3.2 a is flowing through the element. How much energy is used up during a period of 5 hours by the element?

*asked on March 11, 2012*