# Sharon

Popular questions and responses by Sharon-
## math

Ahmed earns $1.50 for every video game he sells. When he sells one carton of 30 video game, he earns an additional $10. What is the minimum number of video games he has to sell in order to earn $450?

*asked on August 6, 2014* -
## Chem

Complete the Bronsted lowry reactions HPO42-+H+ HPO42-+OH-

*asked on February 21, 2014* -
## Quantiative Methods

Industrial Designs has been awarded a contract to design a label for a new wine produced by Lake View Winery. The Co estimates that 150 hours will be required to complete the project. The firm's three graphics designers available for assisgment to this

*asked on November 10, 2007* -
## math STEVE

Mr. Corbin is a salesman. He gets a 5% commission on all sales between $100 and $500 and a 10% commission on all sales above $500. His commission on sales of $783 was:

*asked on August 19, 2014* -
## physics

a force of 0.8N stretches an elastic spring by 2cm. find the force constant. f e = k=? f=ke 0.8=0.02 * k k=0.8/0.02 k=40N/m

*asked on May 11, 2017* -
## Chemistry

How many moles of n2 are needed to react with 0.500 mol of lithium

*asked on October 7, 2010* -
## MATH(HELP)

The ratio of guppies to angelfish in a shop was 2:3. The number of angelfish was 2/3 the number of gold fish. The shoe keeper decided to replace 1/4 of the guppies with some angelfish. The number of angelfish she added was equal to the number of the

*asked on August 7, 2014* -
## Chemistry

Refer to the net ionic equation below to answer the following questions: Co(H2O)6^+2 + 4Cl- CoCl^-2 + 6H2O 1. In what direction was the equilibrium shifted by: a. Addition of HCl b. Addition of water c. Addition of AgNO3 d. Increasing the temperature e.

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

The complete combustion of ethanol, C2H5OH (FW = 46.0 g/mol), proceeds as follows: C2H5OH(l) + 3 O2(g) → 2 CO2(g) + 3 H2O(l) ΔH = −555 kJ What is the enthalpy change for combustion of 15.0 g of ethanol

*asked on October 22, 2015* -
## Statistics

If mean of 1, 2, 3, --------- n is 6n/11, then n is

*asked on July 27, 2011* -
## math

1. Mr. Corbin is a salesman. He gets a 5% commission on all sales between $100 and $500 and a 10% commission on sales of $783 was: 2. Of the students who tried out for the baseball team, 1/8 tried out as catchers, 1/3 as infielders, and 1/4 as outfielders.

*asked on August 19, 2014* -
## science

First, you will investigate purely vertical motion. The kinematics equation for vertical motion (ignoring air resistance) is given by y(t)=y0+v0t−(1/2)gt2, where y0=0 is the initial position (which is 1.2 m above the ground due to the wheels of the

*asked on November 29, 2015* -
## grammar

What is a simile for stone?

*asked on September 22, 2014* -
## english

Jimmy you must leave the room shut the door and be quiet. Which of the following options correctly punctuates the sentence above? A Jimmy, you must leave the room, shut the door, and be quiet. B. Jimmy; you must leave the room, shut the door and be quiet.

*asked on February 13, 2016* -
## statistics

A box contains 10 items, of which 3 are defective and 7 are non-defective. Two items are randomly selected, one at a time, with replacement, and x is the number of defectives in the sample of two. Explain why x is a binomial random variable. & For the

*asked on December 26, 2017* -
## Physics

A pulley system has a velocity ratio of 4 and an efficiency of 80%.calculate the value of the effort required to raise the load of 480N

*asked on February 11, 2016* -
## math

On a plane trip, baggage over 41 pounds is charged at the rate per pound of 1% of the one-way fare. The charge for a bag weighing 52 pounds on a trip where the one-way fare is $98 is:

*asked on August 7, 2014* -
## buisness

I need help please: Because Saudi Arabia and Australia have ____ in production of crude oil and petroleum products and wool respectively, Saudi Arabia can specialize in the production of crude oil and petroleum products, and Australia can specialize in the

*asked on February 11, 2012* -
## Chem

Bronsted reaction HCO3-+HF acid?+base?

*asked on February 21, 2014* -
## Chemistry; Please help

Write formulas for the following. 1. potassium hexacyanoferrate(III) 2. sodium hexafluoroaluminate 3. Pentaaquabromomanganese(III) sulfate 4. hexaamminechromium(III) nitrate 5. sodium tetrahydroxochromate(III) 6.trans-dichlorobis(ethylenediamine)cobalt

*asked on January 26, 2011* -
## chem

If 20g of CaCo3is treated with 20gm of HCl how many grams of CO2 can be generated CaCO3+2HCl gives CaCl+H2O+CO2

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

the path of a cliff diver as he dives into a lake is given by the equation y=-(x-10)power of 2 + 75...where y meters is the divers height above the water and x metres is the horizontal distance travelled by the diver. what is the maximum height the diver

*asked on May 3, 2015* -
## MATH(HELP)

The ratio of guppies to angelfish in a shop was 2:3. The number of angelfish was 2/3 the number of gold fish. The shopkeeper decided to replace 1/4 of the guppies with some angelfish. The number of angelfish in the end. How many guppies were in the shop in

*asked on August 7, 2014* -
## Physics

X-ray pulses from Cygnus X-1, a celestial x- ray source, have been recorded during high- altitude rocket flights. The signals can be interpreted as originating when a blob of ion- ized matter orbits a black hole with a period of 7.84 ms. If the blob were

*asked on December 7, 2009* -
## Pre-Calculus

I need help with this problem: The bearing from the Pine Knob fire tower to the Colt Station fire tower is N 65 degrees E, and the two towers are 30 kilometers apart. A fire spotted by rangers in each tower has a bearing of N 80 degrees E from Pine Knob

*asked on April 2, 2008* -
## Life Span Development

Question 1 1-The quality of a children’s attachments has been found to affect a-what children expect social interactions to be like. b-whether children remember positive or negative aspects of events better. c-children’s concepts of themselves. d-all

*asked on December 16, 2014* -
## physics

if a swimmer swims 85.4 yards in five minutes, how many meters will he swim in 70.0 seconds?

*asked on September 8, 2013* -
## Chemistry!

1. Write balanced equations for each of the following processes. a. Chromium- 51, which targets the spleen and is used as a tracer in studies of red blood cells, decays by electron capture. b. Iodine-131, used to treat hyperactive thyroid glands, decays by

*asked on January 27, 2011* -
## punctuation and grammar

My little sister is a big baby; she cries all the time. is this punctuation right? compound sentences use semicolons but i am not sure if this is one?

*asked on April 21, 2010* -
## just for knowledge

How much do my shares worth if Authorized capital 60,000 shares and I own 500 shares at $1.00 par value. Thank You

*asked on January 15, 2010* -
## math

Jim can fill a pool carrying buckets of water in 30 minutes. Sue can do the same job in 45 minutes. Tony can do the same job in 1 ½ hours. How quickly can all three fill the pool together? A. 12 minutes B. 15 minutes C. 21 minutes D. 23 minutes E. 28

*asked on March 19, 2009* -
## English 12

this question is based on the epic of gilgamesh. How important is Enkidu's role in the battle with Humbaba? please don't post links to sites..I checked everywhere already!

*asked on December 17, 2007* -
## Microbiology

. If you counted 20 colonies from a 0.01-ml inoculum of a 1:10 dilution of urine, how many organisms per milliliter of specimen would you report? Is this number significant?

*asked on January 16, 2018* -
## Communication

Which of the following is NOT a technique for emphasizing material in a resume? A. Presenting it in vertical lists B. Including it as part of a lengthy paragraph C. Offsetting it with white space D. Positioning it as the top of a page

*asked on October 8, 2012* -
## finance

computing checking account balance. based on the following information,determine the true balance in your checking account. balance in your checkbook-$356 balance on bank statement,$472 service charge and other fees, $15 interest earned on account $4 total

*asked on February 11, 2012* -
## Child Psychology

I need someone to check my answers, to make sure that I have answered them correctly. My answers are marked with xxxx next to my choice out of the four choices. 1. Edwin is doing his doctoral work in the area of gifted education. One of the major

*asked on July 14, 2011* -
## probability

A pizza shop offers nine toppings. No topping is used more than once. What is the probability that the toppings are pepperoni, onions, olives, and mushrooms?

*asked on October 8, 2009* -
## probability

How many different ways can 5 people be seated on a bench?

*asked on October 7, 2009* -
## Math

From an aeroplane in the air and at a horizontal distance of 1050m, the angles of depression of the top and base of a control tower at an instance are 〖36〗degrees and 〖41〗degrees respectively. Calculate, correct to the nearest metre, the Height of

*asked on May 8, 2020* -
## Principles of Accounting

Secret Trails received payment in full within the credit period for horse boarding for $900 plus 6% sales tax. terms of the sale were 2/10, n/30. which entry is required to record this payment? a. Debit Cash, $900; credit accounts receivable sales $900 b.

*asked on June 1, 2014* -
## statistics

If GMAT scores for applicants at Oxnard Graduate School of Business are N(500, 50) then the top 5 percent of the applicants would have a score of at least (choose the nearest integer):

*asked on October 27, 2013* -
## bio

3. For the three cubes shown below, determine their surface area, volume and surface area to volume ratio. Then, circle the one you believe would be the most efficient and write a summary stating why

*asked on September 2, 2012* -
## Bio 207

If barometric pressure is 480mmhg, what is the partial pressure of 02 in inspired air? At this pressure, what % of 02 would you have to gave in the air you are breathing so that the inspired p02 would be normal? ( 160 mmhg)

*asked on July 30, 2012* -
## Sociology

Could someone please let me know if I answered the questions correctly. Thank you. 1) According to Émile Durkheim, religion is: (My choice is a unified system of beliefs and practices relative to sacred things).=D a) a unified system of beliefs and

*asked on April 20, 2011* -
## Chemistry

1. Write balanced equations for each of the following processes. a. Chromium- 51, which targets the spleen and is used as a tracer in studies of red blood cells, decays by electron capture. b. Iodine-131, used to treat hyperactive thyroid glands, decays by

*asked on January 26, 2011* -
## probability

A box contains 4 red and 3 blue poker chips. What is the probability when 3 are selected randomly that all 3 wil be red if we select chips with replacement? a.) Without replacement?

*asked on October 6, 2009* -
## medical records

Compare cost control strategies of employer-sponsored (employers buy from insurance companies) to self-funded (employers cover costs of benefits) health plans. Include the following factors: Riders Enrollment periods Provider networks Third party

*asked on July 27, 2009* -
## health

How are the data elements contained in the HIPAA 837 claim form similar to the CMS-1500, and how does each form relate to the claims process? In your opinion, do the similarities between HIPAA 837 and CMS-1500 complicate or simplify the claims process?

*asked on July 10, 2009* -
## Science

Lifelong protection after exposure such as the chicken pox is which type of immunity A. Active immunity B. innate immunity I think B

*asked on February 17, 2016* -
## english

Jimmy you must leave the room shut the door and be quiet. Which of the following options correctly punctuates the sentence above? A Jimmy, you must leave the room, shut the door, and be quiet. B. Jimmy; you must leave the room, shut the door and be quiet.

*asked on February 13, 2016* -
## phyics

Four cars undergo acceleration as described by the data in the following table. Car Initial Velocity (m/s) Final Velocity (m/s) Time period (s) A 2.0 11.0 3.0 B -5.0 3.0 2.0 C 1.0 -5.0 2.0 D 0.0 25.0 10.0 Rank the accelerations from most positive to most

*asked on September 12, 2015* -
## Science in motion pHY 102

Find the net force produced by a 30-N force and a 20-N force in each of these cases: (a) Both forces act in the same direction. The net force produced by 30-N force is 60-N The net force produced by 20-N force is 40=N Applied Forces Net Forces 30-N = 60-N

*asked on August 28, 2014* -
## math

if the product of (2+3),(3+4), and (4+5) is equal to three times the sum of 40 and x, then x=what?

*asked on May 12, 2014* -
## Intro to Computers

your brother just lost his job and wants to build an online profile with a social media site geared at possible employers and HR recruiters. He asks you if you have a suggestion as to where to go. what do you tell him? A. WordPress B. LinkedIn C. Facebook

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

A 1.500m long uniform beam of mass 30.00 kg is supported by a wire as shown in the figure. The beam makes an angle of 10.00 degrees with the horizontal and the wire makes and angle of 30.00 degrees with the beam. A 50.00 kg mass, m, is attached to the end

*asked on November 15, 2012* -
## Algebra II

Howndar do I write x^2-4y^2-4x-8y=36 in standard form?

*asked on May 27, 2012* -
## Science - Physics

Some helium at 20.0psi gauge pressure occupies 40.0ft^3. find its volume at 32.4 psi if the temperature remains constant.

*asked on April 11, 2012* -
## Psychology

Assume that you conducted the research study violence in young men between the ages 18-24 years old who listens to “Gangsta Rap Music’ and you have the data. Which of the methods used for analyzing survey data would you use and why? Correalational or

*asked on March 14, 2012* -
## math

6. A bowl contains 10 red balls, 10 green balls and 10 white balls. a. What is the probability of drawing 2 white balls with replacement? b. What is the probability of drawing 2 white balls without replacement?

*asked on February 13, 2012* -
## geometry

If four angles of a convex pentagon measure 120°, 93°, 108°, and 101°, find the measure of the fifth angle. Show equations and work that lead to your answer.

*asked on January 7, 2012* -
## Physics

A person travels 4 meters North 6 meters West and 4 meters South. what is the total displacement?

*asked on December 18, 2011* -
## Psychology

Hi Jiskha Instructors, I am having a real difficult time finding answers to my five questions. Is there someone who can help point me in the right direction to credible or reputable website sources? Or answer these five questions. I need a credible

*asked on November 13, 2011* -
## CHEMISTRY

The volume of air in a persons lungs is 615 mL at a pressure of 760 mmHG inhalation occures at the pressure in the lungs drops to 752 mmHG, to wha volume did the lungs expand I got 615*760=V2*752=621 i keep getting 621 and the answer is 620 what i'am i

*asked on July 24, 2011* -
## chemistry

A sample containing 5.20g O2 gas has a volume of 19.0L, pressure and temperature remain constant, Oxygen is released until the volume is 7.00L how many moles of O2 are removed I know i convert 5.20g to moles which give me 0.1625 moles of O2 and i use the

*asked on July 24, 2011* -
## Child Psychology

I need someone to let me know if I answered these two questions correctly. 1st Question Amy knows that when she runs over and stands quietly by her grandfather's chair, he will reach over and tickle her under her chin. When a child learns to behave in a

*asked on July 20, 2011* -
## psychology

What is the proper in-text citation for this source that has this many authors. Is this correct= In-text(Papalia, Olds, Wendkos, Feldman, Duskin, 2008, p. 34) References: Papalia, D.E. Olds, Wendkoss S., Feldman, Duskin R. (2008) A Child's world: Infancy

*asked on July 13, 2011* -
## algebra

courtney walks three laps around a 1/4 mile track. How many feet does she walk? if 1mile = 5280ft

*asked on February 13, 2011* -
## statistics

It is thought that prehistoric Indians did not take their best tools, pottery, and household items when they visited higher elevations for their summer camps. It is hypothesized that archaeological sites tend to lose their cultural identity and specific

*asked on August 22, 2010* -
## probability

A batch of 350 raffle tickets contatins 4 winning tickets. You buy 4 tickets. What is the probability that you have: a.) No winning tickets? b.) All winning tickets? c.) At least one winning ticket? d.) At least one non-winning ticket?

*asked on October 7, 2009* -
## statistics

At a certain college, 15% of the students received an A in their required math course, 10% receieved an A in their required chemistry course, and 5% received an A in both. A student is selected at random. a.) What is the probability that he received an A

*asked on October 3, 2009* -
## adult education

6pt3c =

*asked on August 18, 2009* -
## Math

We have to solve for the problem below to make sure that it is equivalent to 2csc(x). However, I keep getting 2/2sin(x) and not 2/sin(x), which is what 2csc(x) is. tan(x)/(1+sec(x))+ (1+sec(x))/tan(x)= 2csc(x)

*asked on April 10, 2008* -
## math

Graph the function y = -2x + . Tell whether or not each ordered pair lies on the line. Explain. (0,1) (-5,3) (1,-1) (-2,5) Graph it. Then you can see if the points are on the line.

*asked on April 4, 2007* -
## Science

Identify cliamte and topographical factors that(a)intensify air pollution and (b) help reduced air polluction. What sources of water pollution can you identify? How are people and the environment affected by the physical and economic effects of the air and

*asked on March 14, 2007* -
## maths

y is 60km away from x on a bearing of 135 degree.Z is 80km away from x on a bearing of 225 degree find (a)distance of z from y (b) bearing of z from y

*asked on February 24, 2019* -
## statistics

A box contains 10 items, of which 3 are defective and 7 are non-defective. Two items are randomly selected, one at a time, with replacement, and x is the number of defectives in the sample of two. Explain why x is a binomial random variable

*asked on December 22, 2017* -
## Math

You are skier A, the first skier in a skiing event with three other skiers. Compared to your time, skier B is slower, by a time of +00:28. Skier C has a time of +2:13, and skier D has a time of -01:24. 1. Who is the fastest skier? 2. Since all times are

*asked on October 12, 2016* -
## life sciences

Describe how the products of the light phase of photosynthesis are used to form a glucose molecule and how this molecule is then broken down in the cell of a plant to release energy

*asked on July 17, 2016* -
## science

What is the pathaway and processes of ingestion involved when a person has eaten a buttered polony sandwish?

*asked on May 10, 2016* -
## Chemistry

How many grams of carbon dioxide ctsare produced when 78.0 grams of Methanol rea

*asked on April 14, 2016* -
## Biology

which nucleic acid statement is true? A. mRNA codes for DNA B. mRNA codes for protein C. tRNA makes amino acids D. tRNA makes lipids I think B

*asked on February 18, 2016* -
## Biology

key factor driving cellular differentiation in the body? A. rate of transcription B. cell nutrience C. expression of genetic coding D. chemical gradients in a cell environment I think A

*asked on February 17, 2016* -
## Biology

Which nucleic acid statement is true A. mRNA codes for DNA B. mRNA codes for proteins C. tRNA makes amino acids D. tRNA makes lipids I think B

*asked on February 17, 2016* -
## chemistry

The hands on a battery clock are which type of energy? A. chemical to kinetic B. potential to chemical C. kinetic to potential D. thermal to kinetic I think C

*asked on February 17, 2016* -
## english

Which of the following sentences is written correctly? A When properly designed, an automobile can achieve great fuel efficiency. B. When properly designed an automobile can achieve great fuel efficiency. C. When properly designed, great fuel efficiency

*asked on February 13, 2016* -
## english

Which of the following sentences is punctuated correctly? A. After you sign the agreement it is too late of course, to change your mind. B. After you sign the agreement, it is too late of course to change your mind. C. After you sign the agreement, it is

*asked on February 13, 2016* -
## Statistics

The same supervisor in the scenario above agreed to increase the salary of the employee to $15.00 per hour once she passed her RHIT exam. Three months after beginning her employment , the employee passed her RHI exam. What will the new budget be for salary

*asked on October 23, 2015* -
## Grammar English

How would you change this sentence- The infant was handed to the pediatrician, who then cried spontaneously.

*asked on October 4, 2015* -
## ratios

emily recipe calls for 5 parts pineapple juice to 3 parts orange sherbert. james calls for 8parts pineapple to 6 parts orange sherbert.

*asked on October 1, 2015* -
## Chemistry

What is the percentage yield for a reaction if you predicted the formation of 21 grams of C6H12 and actually recovered only 3.8 grams?

*asked on March 8, 2015* -
## Math, Quadratic Functions, Max/Min Word Problems

Two numbers have a sum of 72. What is their product if it is a maximum?

*asked on January 16, 2015* -
## Math, Quadratic Functions

Eighty metres of fencing are available to enclose a rectangular play area. Determine the dimensions that will enclosed the maximum area. What is the maximum area?

*asked on January 16, 2015* -
## American Government

Which of the following is part of an issue network addressing education policy? A. an education reporter for the New York Times B. a lobbyist for the American Federation of Teachers C. the White House Chief of Staff D. the governor of California I have C

*asked on August 23, 2014* -
## test and measures

If the true score variance is equal to 10 and error variance is equal to 2, what is our estimate of reliability? [Hint: Think about the conclusions that we draw from the assumptions of classical test theory]

*asked on June 5, 2014* -
## Linear Algebra

Use Gauss Jordan Elimination to write the solution of the system of equations: x1+4x2+2x3=17 3x1+x2-5x3=7 2x1-3x2-7x3=-10

*asked on March 15, 2014* -
## biology

Given below is the sequence of the mRNA ready for Translation" 5' - AUG CUA UAC CUC CUU UAU CUG UGA - 3' a) what is the first codon technically known as and which amino acid does it code for? b) how many amino acid residues will make the polypeptide chain

*asked on January 11, 2014* -
## Government

Question 5. 5. The Tenth Amendment balances out national authority by (Points : 1) stating that states have first priority in those areas specifically not given to Congress. asserting that states’ rights trump national authority. limiting state function

*asked on November 12, 2013* -
## Personal Finance

Aaron wants to put $200.00 per month into an IRA account at 15% for four years. What is he solving for using his financial calculator? A. Present Value B. Future Value C. Interest Rate D. Payment

*asked on October 25, 2013* -
## Healthcare Finance

Jane Smith currently holds tax-exempt bonds of Good Samaritan Healthcare that pay 7 percent interest. She is in the 40 percent tax bracket. Her broker wants her to buy some Beverly Enterprises taxable bonds that will be issued next week. With all else the

*asked on September 13, 2013* -
## Understanding Perimeter

When finding the perimeter of a figure on a grid, why do you not count the spaces inside the grid?

*asked on February 25, 2013*