# Nancy

Newest questions and responses by Nancy-
## PHYSICS

A LIVING ROOM HAS DIMENSIONS 3.5M X4.2M X4.2M .WHAT IS THE PRESSURE EXERTED BY THE AIR ON THE FLOOR IN THE ROOM

*asked on March 2, 2019* -
## Science

Methanol reacts with carbon monoxide in the presence of a catalyst to produce ethanoic acid. Reacted completely with carbon monoxide in a reaction vessel. What is the theoretic yield of ethanioc acid?

*asked on February 8, 2019* -
## math/algebra

Elena bought 49 packs of red balloons, 66 packs of blue balloons, and 35 packs of yellow balloons. Each contained 12 balloons. She mixed them up and gave away some balloons. She then repacked the balance into packs of 25. QUESTION A: How many balloons were

*asked on October 30, 2018* -
## Science- chemistry

Some chemical reactions are affected by surface area, whereas others are not. Explain why this is so.

*asked on October 22, 2018* -
## Math

Ivan has 6 timesfas many blue beads as red beads. How many blue beads does Ivan have?

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

Lamont lost 8 yards in the first quarter of the football game. In the second quarter he gained 6 yards. Which integer represents the opposite of Lamont's yardage in the second quarter?

*asked on August 20, 2018* -
## Philosphy

Give an example of Aristotle’s virtuous mean. For example the extremes of eating is starvation at one end and gluttony at the other end. The virtuous mean would be a balances healthy diet.

*asked on July 18, 2018* -
## Math

Use the list below to find the lower quartile 27 511 13108 14187 answer a is 7 B is 7.5 C is 8 and D is 8.5 my answer is C8 please verify

*asked on May 2, 2018* -
## Math

Joe is playing a game with a regular die. If the number that turns up is even, he will gain 5 times the number that comes up. If it is odd. He will lose 10 times the number that comes up. He tosses a 3. Express the results as a integer.

*asked on April 18, 2018* -
## Physics

What takes more energy to raise its temperature by one degree, water or ice? Thanks!

*asked on April 5, 2018* -
## Ap chemistry

if a 84g sample of thorium decays with a 10 minute half life, how much would the sample weight in a half hour?

*asked on February 27, 2018* -
## physics

An apple falls from a tree and hits the ground 10.9 m below. With what speed will it hit the ground? The acceleration of gravity is 9.8 m/s 2 . Answer in units of m/s.

*asked on October 8, 2017* -
## science

How is this equation balanced Fe2o3+co

*asked on September 4, 2017* -
## Science

Write correct formulas for the products in these combustion reactions. a)C6H6 + O2= b)C12H22O11+O2= c)C25H52+O2= d)C2H5OC2H5+O2= e)C4H9OH+O2=

*asked on July 29, 2017* -
## Science

Write correct formulas for the products in these combustion reactions.C6H6 + O2=

*asked on July 29, 2017* -
## stat

In a random sample of 200 registered voters, 150 indicated they are Democrats. Develop a 99% confidence interval for the proportion of registered voters in the population who are Democrats.

*asked on April 17, 2017* -
## Statistics

The table to the right lists probabilities for the corresponding numbers of girls in three births. What is the random variable, what are its possible values, and are its values numerical? Number of girls x P(x) 0 0.125 1 0.375 2 0.375 3 0.125

*asked on March 2, 2017* -
## Algebra

The US has an area of 0.75 miles squared, and LA has an area of 3,705,000 miles squared. LA's area is N× 10^ (n), where N=____ and n=_____

*asked on February 26, 2017* -
## Maths

Construct a parallelogram ABCD, where AB=7cm ,AC =9cm and /_A = 75°

*asked on February 5, 2017* -
## Math

A population grows exponentially at a rate of 2.6% per year. How long will it take for the population to triple?

*asked on December 14, 2016* -
## science

A car is moving at a speed of 72 km/hr. The radius of its wheels is 0.25m. If the wheels are stopped in 20 rotation by applying brakes, then angular retardation produced by the brakes is:

*asked on November 29, 2016* -
## Math

You have a jar with 60 jelly beans. You know that 1/3 of the jelly beans are yellow, 1/4 of them are white and the rest is red. You are not allowed to look. How many beans do you have to take out to be absolutely sure to get at least one yellow one? Can

*asked on October 25, 2016* -
## Math

2 kitchen employees combine make $52000 per year. If they both get a $4,000 increase what is the new average cost per employee?

*asked on October 7, 2016* -
## Math

Which department staffing cost the largest proportion of the total staffing budget? Bakery $88,000 Kitchen $ 322,000 Catering $96,000 Bar $120,000 Sever/Host $470,000

*asked on October 7, 2016* -
## science(physics)

A powerful motorcycle can accelerate from rest to 28m/s in only 4 second . a.what is its average acceleration? b.how far does it travel in that time

*asked on September 21, 2016* -
## Math

In the number 652,273, which place contains digits where one digit in one tenth value of the other?

*asked on September 7, 2016* -
## Math

An airline believes that the probability of a passenger being a no-show on a morning flight is 12%. If the airline overbooks a 300 seat morning flight by selling 350 tickets how many empty seats should the airline expect to have on the flight

*asked on September 7, 2016* -
## Physical

Which of the following is an appropriate cue for running? (Points : 1) bend your knees drive the arms strongly step-close push off with toes

*asked on September 2, 2016* -
## Math

there is an even number greater than 0 and less than 4 in my hundredths place. the digit in my tenths place is twice as large as the digit in my hundredths place what decimal am i

*asked on August 29, 2016* -
## Pre-Calc with Analytic Geometry

Function : y=cot(2x+pi) 1)determine the interval for the principal cycle. (Type this answer in interval notation) 2)Then for the principal cycle, determine the equations of the vertical asymptotes. 3)find the coordinates of the center point. 4)

*asked on August 4, 2016* -
## statistics

2) sue, a botanist, is studying a new plant seed. if it is known that these seeds have a 95% probability of germinating. if sue plants 6 seeds, what is the probability that; a) exactly four seeds will germinate? b) at least five will germinated? c) at most

*asked on July 18, 2016* -
## statistics

sue, a botanist, is studying a new plant seed. if it is known that these seeds have a 95% probability of germinating. if sue plants seeds, what is the probability that; a) exactly four seeds will germinated? b) at least five will germinated? c) at most one

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

sue, a botanist, is studying a new plant seed. if it is known that these seeds have a 95% probability of germinating. if sue plants seeds, what is the probability that; a) exactly four seeds will germinated? b) at least five will germinated? c) at most one

*asked on July 16, 2016* -
## Math

One day a store sold 30 sweatshirts. White ones cost $9.95 and yellow ones cost $13.50. In all, $351.75 worth of sweatshirts were sold. How many of each color were sold?

*asked on June 24, 2016* -
## Maths

In an election there were 3 candidates 3/7 of the electors voted for the winner. The runner up received 5/8 of the remaining votes, what fraction of the electors voted for the third candidate

*asked on June 16, 2016* -
## Life orientation

3 human rights violations or discrimination and explain in an introductory paragraph why you choose the specific human rights violations or discrimination

*asked on May 15, 2016* -
## chemistry

Descibe the frasch process

*asked on April 25, 2016* -
## Physics

Brett stats from rest on his skateboard and accelerates at 0.5 m/s2 [N] for 12s, and then maintains his velocity for 15s before falling off his board. He slides along on his back until he comes to rest, accelerating at -2.4 m/s2. a) Calculate the highest

*asked on April 17, 2016* -
## PHYSICS CENTER OF MASS

A thin rectangular plate of uniform areal density σ = 2.79 kg/m2 has length of 37.0 cm and width of 23.0 cm. The lower left hand corner is located at the origin, (x,y)= (0,0) and the length is along the x-axis. (a)There is a circular hole of radius 8.00

*asked on April 10, 2016* -
## math

3y+x=10 x=2y-1 3y+x-×=10-x

*asked on April 7, 2016* -
## math,science,tourism,geography

First option i want to be a social worker.sec option to be a police.last option is be a tourism management. Where do i go to further my study and what are the reguirement for this courses?

*asked on April 6, 2016* -
## Math

A letter is chosen randomly from the 26 letters in the alphabet. Find the probability of choosing a consonant.

*asked on March 9, 2016* -
## College Algebra

A sailboat has a triangular sail with an area of 20 square feet. The height of the sail is 6 feet more than the length of the base of the sail. Find the height of the sail.

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

You are building a frame for a photograph that is 8 inches by 11 inches. The width of the frame must be uniform around the picture and you have 42 square inches of wood to use. What is the width of the frame?

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

One car is 3.9 meters long the other is 6%shorter How long is second car? What is the formula I use for questions involving %

*asked on January 4, 2016* -
## algebra

Find an equation for the line parallel to y=2x-7 with y-intercept(0,6). Write the answer in slope-intercept form. The equation of the line in slope-intercrpt form form is

*asked on January 3, 2016* -
## algebra 2

Kate can row a boat 10 miles per hour in still water. in a river where the current is 5 miler per hour, it take her 4 hour longer to row a given distance upstream than to travel the same distance downstream. Find how long it takes her to row upstream, how

*asked on December 6, 2015* -
## physics

A dart leaves the barrel of a blowgun at a speed v. The length of the blowgun barrel is L. Assume that the acceleration of the dart in the barrel is uniform. If the darts exit speed is 17 m/s and the length of the blowgun is 1.10 m, find the time the dart

*asked on October 11, 2015* -
## algebra

the sum of the digits of a three digit number is 14. the tens digits exceeds twice the hundred digit by one. If 3 were added to the number, the units and hundreds digit would be the same. find the number. solve H = hundred digit t in ten digit u in unit

*asked on September 30, 2015* -
## math

A clerk spent his 35 hour work week as follows: 1/5 of his time in sorting mail; 1/2 of his time in filing letters; and 1/7 of his time in reception work. The rest of his time was devoted to messenger work. The percentage of time spent on messenger work by

*asked on September 25, 2015* -
## Physics

In a 5.00 km race, one runner runs at a steady 11.8 km/h and another runs at 14.7 km/h . How long does the faster runner have to wait at the finish line to see the slower runner cross?

*asked on September 17, 2015* -
## Math

How could you rewrite the expression (-3+5)+8+(-1) using the Associative Property of Addition? A. -3-8+(5+1) B. (-3+(-1))+(5+8) C. -3+(5+8)+(-1) D. 5+8+3+1 Is the answer C? Thank you

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

A Picture is surrounded by a frame 10 5/8 inches and 6 1/2 inches. what is the area of the entire picture including the frame

*asked on August 22, 2015* -
## com200

The term ________________ describes a wide range of common and nonstandard English, including jargon, colloquialisms, idioms, and slang.

*asked on July 2, 2015* -
## computer programming

HotelRoom class programming . Replace Disply_Number() and Display_Guest() methods by the methods Get_Number() and Get_Guest(), respectively , so that each returns a pointer to the corresponding instance variable. Recode main() as necessary .

*asked on June 4, 2015* -
## Science

When 1.23g of ethanol (delta c Hm = -1368kj/mol at 25 C ) is burned in an adiabatic flame calorimeter, the temperature increases by 8.6 C. Under the same experimental conditions, when 1.14g of 1-propanol is burned, the temperature increases by 9.0 C. What

*asked on May 30, 2015* -
## Science

A solution containing 3.22g of solute in 40.0g of 1,4-dichlorobenzene and its freezing point is 49.2 C. Calculate the molar mass of the solute.

*asked on May 30, 2015* -
## Operations

You have a retail-clothing store for fashion items. For simplicity, let us consider just one gown in this question. You have to purchase your inventory at the start of the season at $60 per gown, and you plan to sell it $100. You have a 50% chance of

*asked on May 24, 2015* -
## geometry

In the xy - plane, line l has equation y= -x. Point P lies on l and has coordinates (-2,2). If l is rotated counterclockwise 45 degrees about the origin, what will be the coordinates of the image of P under this rotation.

*asked on May 4, 2015* -
## Algebra 2

Solve the Equation. (x+2)/(4x)-3/(2x)=1/8

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

the common isotopes of chlorine weigh 35&37 units A.How many different mass molecules are there for dichlormethane,ch2 cl2? B. Draw and label each molecule C. explain why the ram of chlorine is about 35.5& not a whole number. D. lighter molecules diffuse

*asked on March 26, 2015* -
## Healthcare Statistics

As a data collection specialist at the National Institutes of Health (NIH), you have been involved in a research study conducted over the past year. The study found that liver cancer rates per 100,000 males among cigarette smokers to nonsnmokers, in a

*asked on March 8, 2015* -
## Healthcare Statistics

What is the mode of this data set 22 27 32 32 35 35 36 37 38 42 48 52 53 54 55 55 55 58 59 62 62 63 64 65 65 65 67 69 75 84 I see four modes: 32, 35, 55, and 65 Would this be considered multimodal?

*asked on February 27, 2015* -
## maths

a carpenter has a board that is 8 ft long. he cuts off two piece.one piece is 3 1/2 ft long and other is 2 1/3ft long.How much off the board is left.

*asked on February 26, 2015* -
## Algebra 2

Solve the equation x^3 - 3x^2-22x+24=0 do you use a graph?

*asked on February 22, 2015* -
## Algebra 2

solve the equation x^2 - 3x^2-22x+24=0 do you use a graph?

*asked on February 22, 2015* -
## Algebra 2

Write the following in Summation Notation. 2/5+4/6+6/7+8/8+10\9

*asked on February 18, 2015* -
## Math

Suppose 1% of the population is known to have a medical condition. There is a test for the condition, and 80% of people with the condition test positive for it. Also, 10% of people without the condition test positive for it. Follow these steps to find the

*asked on February 4, 2015* -
## Math

Gabriella is x years old.Her sister Felicia,is six years old than she is.Their mother is twice as old as Felicia.Their aunt,Tanya,is x years older than their mother.Write and simplify an expression that represents Tanya's age in years.

*asked on January 14, 2015* -
## Algebra 2

Write an equation for the relationship z varies jointly with x and the square of y, and inversely with r and s.

*asked on January 11, 2015* -
## Human Resources

In 2003, a company employee received an option to purchase the company's stock at $45 per share. If the stock is trading at $40 a share in 2003, the employee will most likely... Is it to exercise the option, receiving a gain of $5?

*asked on December 23, 2014* -
## chemistry

If your car gets 21.4 mpg, how many L of CO2, will you release into the atmosphere, if you drove the 1280miles from Towson University to key West Florida for a much needed break after taking Chemistry 121? Assume 1.05atm and 17.0C. What would your carbon

*asked on December 15, 2014* -
## Managerial Accounting, MBA

A company produces a single product. Variable production costs are $12 per unit and variable selling and administrative expenses are $3 per unit. Fixed manufacturing overhead totals $36,000 and fixed selling and administrative expenses total $40,000.

*asked on December 5, 2014* -
## Managerial Accounting

Garcia Veterinary Clinic expects the following operating results next year: Sales (total) $600,000 Variable expenses (total) $120,000 Fixed expenses (total) $300,000 What is Garcia's break-even point next year in sales dollar?

*asked on December 4, 2014* -
## Managerial Accounting

Garcia Veterinary Clinic expects the following operating results next year: Sales (total) $600,000 Variable expenses (total)

*asked on December 4, 2014* -
## Chemistry Correction

Hi, I'm trying to solve for the radius of the sphere. This is the correct steps: 8.27*10^-29 = 4/3 pi * r^3 r^3 = 2.0225 * 10^-29 cu meters When I do 8.27x10^-29 / 4/3 pi, I don't get the answer 2.0225x10^-29 Can you tell me what I'm doing wrong?

*asked on November 30, 2014* -
## algebra 2

find the domain y=-ãx-5 +3

*asked on November 19, 2014* -
## Algebra I

Use one unit multiplier to write the expression needed to convert 42 meters to centimeters? It also said;Do not carry out the actual multiplication. So do I just write my answer 42m over 1 x 100cm over 1m? Thank You for your help.

*asked on October 29, 2014* -
## mechanics

a sledge of mass 25kg is pulled along a smooth frozen lake by a rope which is pulled at an angle of 30 degrees to the horizontal.if the sledge accelerates at 1.5 metres per second, find the tension.

*asked on October 24, 2014* -
## Language arts

How should the United States government have behaved in dealing with the disputes between the Cherokees and the white settlers?

*asked on October 23, 2014* -
## Math

Pey Soon has taken out a 20-year, $150,000 mortgage with monthly payments (made at the end of each month) at a stated mortgage rate of 6.8% per year compounded semi-annually. If she makes each payment on time, what will be the mortgage principal remaining

*asked on October 23, 2014* -
## Math help

You plan to make 24 equal quarterly payments (payments are at the end of each period) into an account to pays 8% (per year compounded quarterly). If you need $5,000 at the end of 10 years (i.e. 4 years after the last payment is made into the account), how

*asked on October 23, 2014* -
## Math

123 Inc has a profit margin of 15%. Its total asset turnover ratio is 2 and its dividend payout ratio is 60%. What is the company's internal growth rate? Please show steps

*asked on October 23, 2014* -
## Math

Given the following information: current assets = $400; fixed assets = $500; accounts payable = $100; notes payable = $45; long-term debt = $455; equity = $300; sales = $450; costs = $400; tax rate = 34%. Suppose that current assets, costs, and accounts

*asked on October 23, 2014* -
## Math

You plan to make 24 equal quarterly payments (payments are at the end of each period) into an account to pays 8% (per year compounded quarterly). If you need $5,000 at the end of 10 years (i.e. 4 years after the last payment is made into the account), how

*asked on October 23, 2014* -
## Math

You have the following data for the Fosberg Winery. What is Fosberg's return on assets (ROA)? Return on equity = 15%; Earnings before taxes = $30,000; Total asset turnover = 0.80; Profit margin = 4.5%; Tax rate = 35%.

*asked on October 23, 2014* -
## Math

You have borrowed $135,000 from the bank today. You are required to repay this money over the next six years by making monthly payments of $2,215.10 at the end of each month. What is the quoted interest rate for the loan (with monthly compounding)? Please

*asked on October 22, 2014* -
## Math

You are the financial manager at Best Buy where a certain TV set is normally sold for $2,500 and the full purchase price is financed for 30 monthly payments at 24% per year compounded monthly, with the payments made at the end of each month. During

*asked on October 22, 2014* -
## Chemistry Check

Determine the missing values of deltaH in the diagram shown below ^ | ^ N2O3(g) + 1/2 O2(g) (Enthalpy)| | ^ | | deltaH= +16.02 | | | | | | 2 NO2(g) | | | ^ | |deltaH=? | | | | | | deltaH=?| | | | | | | | N2(g)+202(g) | Answer: Delta H for the right= 66.36

*asked on October 18, 2014* -
## Chemistry

Please help! I don't understand these questions at all. :( Fe2O3(s) + 2Al(s) -> Al2O3(s) + 2Fe(l) If 0.50 mol of Fe is produced in 10 secs, what is the rate of consumption of Fe2O3 in mol/s? A. 5.0 x 10^-2 mol/s B. 2.5 x 10^-2 mol/s C. 1.0 x 10^-1mol/s D.

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

An alternative approach to bomb calorimetry is toestablish the heat capacity of the calorimeter, exclusive of the water it contains. The heat absorbed by the water and by the rest of the calorimeter must be calculated separately and then added together. A

*asked on October 11, 2014* -
## chemistry

For the adiabetic expansion of an ideal gas a) does the gas do work? B) doesd the internal energy of the gas increase, decrease or remain constant? C) what happens to the temperature? Please check my answers A) yes the gas does work because it is expanding

*asked on October 2, 2014* -
## Math (Implicit Differention)

use implicit differentiation to find the slope of the tangent line to the curve of x^2/3+y^2/3=4 at the point (-1,3sqrt3)

*asked on October 2, 2014* -
## Rodriguez

use implicit differentiation to find the slope of the tangent line to the curve of x^2/3+y^2/3=4 at the point (-1,3sqrt3)

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

state the separation technique for silver choride and sodium trioxonitrate

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

Household bleach contains (NaClO)2 that decomposes in water, NaClO + h2o = Na+ + OH- + Cl2 + O2 If 15ml bleach containing 5.85℅ NaClO is allowed to decomposes completely, then hoe many mL of o2 at 22C and 755mmHg can be liberated. Density of bleach=

*asked on September 30, 2014* -
## Chemistry- Answer Check

In an ideal gas, if only one molecule in a thousand has enough energy to react, how can all molecules in a reactor be consumed? My answer: when the one molecule reacts, it causes the other molecules to gain energy. Is this right? I'm still confused on the

*asked on September 29, 2014* -
## Chemistry: Please check my answer

ClO2 is sometimes used as a chlorinating agent for water treatment. Cl2 + 4 NaClO -> 4 NaCl + 2 ClO2 In an experiment, 1L Cl2 measured at 10C and 4.66atm is dissolved in .75L of 2.00M NaClO. If 25.9g of pure ClO2 is obtained, then what is the percent yeild

*asked on September 29, 2014* -
## chemistry

If someone has the time to help with the following question it would be really helpful. The problem is 209/83bi+64/28NI=272/111Rg+1/0n How to calculate the energy change in J/mol reactants? AMU amounts: Bi=208.980384 Ni= 63.927969 Rg=272.1535 What I have

*asked on September 25, 2014* -
## chemistry-repost

Sorry to post this again, not sure if it was seen. If someone has the time to help with the following question it would be really helpful. Posted by Nancy on Monday, September 22, 2014 at 9:55am. The problem is 209/83bi+64/28NI=272/111Rg+1/0n How to

*asked on September 22, 2014*