# stephanie

Popular questions and responses by stephanie-
## business math

Front Range Cabinet Distributors in Colorado Springs, Colorado, sells to its contractors with a 32% markup on cost. If the selling price for cabinets is $9,357, what is the cost to contractors based on cost?

*asked on February 1, 2016* -
## nursing/dosage

The health care provider prescribed the adjustment of the IV hourly rate based on the nasogastric tube (NGT) output q4h (every 4 hours) for a client who had abdominal surgery yesterday. From 12:00pm to 4:00pm the NGT output was 240ml and the IV was infused

*asked on April 29, 2014* -
## Literature

Discuss the significance of the "Ale house" in Oliver Goldsmith's "She stoops to conquer"

*asked on April 21, 2017* -
## help!!! physics

you want to nail a 1.6 kg board onto the wall of a barn. to position the board before nailing, you push it against the wall with a horizontal force to keep it from sliding to the ground. (a) if the coefficient of static friction between the board and wall

*asked on November 3, 2010* -
## chemistry

when 25.0 g of Zn reacts how many L of H2 gas are formed at STP

*asked on July 5, 2010* -
## math

Home Depot wants to buy a new line of fertilizers. Manufacturer A offers a 19/14 chain discount. Manufacturer B offers a 24/12 chain discount. Both manufacturers have the same list price.

*asked on February 3, 2016* -
## MATH

Given the indicated parts of triangle ABC with γ = 90°, approximate the remaining parts. (Round your answers for a and c to one decimal place.) β = 51°31', b = 250.0 α = ° ' a = c = Given the indicated parts of triangle ABC with γ = 90°,

*asked on September 28, 2011* -
## Physics

A 100-kg box is suspended from two ropes; the left one makes an angle of 20degrees with the vertical, and the other makes an angle of 40degrees. What is the tension in each rope. I think I've got the basics: I have Fx=T1(x) + T2(x)= 0 to calc the first

*asked on April 22, 2011* -
## math

if a man travels r miles and hour for h hours and s miles an hour for t hours, what is his average rate in miles per hour for the ENTIRE distance traveled? a. rh+st b. r/h+s/t c. rh+st/2 d. rh+st/h+t is the answer b?

*asked on July 27, 2018* -
## Finite Math

A town council has 11 members, 6 Democrats and 5 Republicans. If a 3‐person committee is selected at random, what is the probability that Republicans make up the majority?

*asked on June 11, 2015* -
## AP Chemistry

Which of the following is true about lanthanides? A. they are all radioactive B. they are highly electropositive C. they are very common elements D. they have low melting and boiling points

*asked on January 29, 2016* -
## chemistry

show how 500ml of 2M H2SO4 can be prepared from a bottle of the acid with 95% purity(H=1, S=32, O=16, specific gravity of H2SO4 is 1.82

*asked on April 6, 2019* -
## Physics

A woman at an airport is towing her 20.0 kg suitcase at constant speed by pulling on a strap at an angle θ above the horizontal. She pulls on the strap with a 35.0 N force, and the friction force on the suitcase is 20.0 N. a) What angle does the strap

*asked on October 5, 2011* -
## Calculus

Find lim x->3.5 [[x-2]]/x (Remember that [[x]] is the greatest integer function) The choices are -1/3.5 1/3.5 0 -2/3.5 Does not exist I got 0 but I'm not sure if it is correct.

*asked on May 19, 2020* -
## Physics- Vectors

A bartender slides a beer mug at 1.4 m/s towards a customer at the end of a frictionless bar that is 1.8 m tall. The customer makes a grab for the mug and misses, and the mug sails off the end of the bar. (a) How far away from the end of the bar does the

*asked on February 5, 2011* -
## CHemistry

True/ False: The pH of a soln that is 0.20 M CH3COOH and 0.20 M CH3COONa should be higher than the pH of a 0.20 M CH3COOH soln Would it be true since CH3COOH and CH3COONa are both weak acids, and if you mix them together, it becomes more diluted, and hence

*asked on May 5, 2008* -
## Math 201

I am having problems with this question in my math class. Consider a student loan of $25,000.00 at a fixed APR of 12% for 25 years. a. Calculate the monthly payment. The monthly payment is $263.31 b. Determine the total amount paid over the term of the

*asked on March 20, 2018* -
## Statistics

An IQ test is designed so that the mean is 100 and the standard deviation is 19 for the population of normal adults. Find the sample size necessary to estimate the mean IQ score of statistics students such that it can be said with 95% confidence that the

*asked on February 12, 2014* -
## SOCIAL STUDIES

WHICH OF THE FOLLOWING STATEMENTS SUPPORTED BY THE INFORMATION IN THE MAP 1] AUSTRASLIA IS SELF-SUPPORTING IN OIL.2]AFRICA TRADES OIL ONLY WITH SOUTH AMRICA.3] THE SOVIET UNION HAS TRADE ROUTES WITH EVERY MAJOR CONTINENT.4] ALL OF THE MAJOR CONTINENTS HAVE

*asked on November 14, 2012* -
## physics

Two concurrent forces have a maximum resultant of 45 newtons and a minimum of 5.0 newtons. What is the magnitude of each of these forces?

*asked on October 15, 2008* -
## Physics

Suppose your car was mired deeply in the mud and you wanted to use the method illustrated in the figure to pull it out. T = 11000 N A. What force would you have to exert perpendicular to the center of the rope to produce a force of 11000 N on the car if

*asked on October 9, 2014* -
## chemistry

strontium nitrate reacts with potassium iodate. What is its molecular,ionic and net ionic equations?

*asked on October 23, 2010* -
## Math

A plane left Atlanta at 11:30 AM and flew to an airport near Boston. The plane was due to arrive at 3:15 PM. The plane arrived 25 minutes late. The time of the trip was: Is the answer 4 hours and 10 minutes?

*asked on August 3, 2018* -
## SOCIAL STUDIES

WHICH OF THE FOLLOWING STATEMENTS IS BEST SUPPORTED BY THE NEW STUDIES

*asked on November 14, 2012* -
## Math

Using the letters A and B, the following two-letter code words can be formed: AA, AB, BB,Ba. Using the letters A, B, and C, how many different three-letter code words can be formed? I know that the answer is 27 from the answer sheet, but how? Can you

*asked on November 26, 2016* -
## Math

Mike started a savings account by depositing $9. Each month, he deposits more money than the month before. At the end of 41 months, he has saved $9,389.00. How much more does he deposit each month?

*asked on January 5, 2015* -
## SOCIAL STUDIES

WHICH OF THE FOLLOWING STATEMENTS IS SUPPORTED BY INFORMATION IN THE MAP 1] THE U.S GOVERMENTS WET TO WAR WITH FRANCE IN 1803 TO GAIN TERRITORY WEST OF THE MISSISSIPPI RIVER.2]IN 1865 THE U.S ECONOMY PRODUCED RAW MATERIALS TO BE EXCHANGED ABROAD FOR

*asked on November 14, 2012* -
## college chemistry

A solid consists of mixture of NaNO3 and Mg(NO3)2. When 6.50 g of this solid is dissolved in 50.0 g of water, the freezing point is lowered by 5.40⁰C. What is the composition of the solid (in mass percent)? Assume ideal behavior but watch out for the

*asked on April 28, 2010* -
## Math

A lorry tank was 4/5 full of petrol when the guage indicated 12 litres.what was the full capacity of the tank in litres

*asked on November 3, 2019* -
## Math

Find the total tax deductions for each of the following weekly paychecks.weekly pay $98.00,$240.00,$150.00 FICA (7.65%)

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

Each week Rosa receives a salary of $200 plus a 6 percent commission on her total sales. To the nearest dollar, how much would Rosa have to sell in one week to earn a total of $300

*asked on October 21, 2017* -
## Math

laura spent 20 percent of her money on a dress. she spent 2/5 of the remainder on a book. she had $72 left. how much money did she have at first?

*asked on July 13, 2016* -
## fuctions and statistics

one foot is equivalent to approximately 0.3048 meters. if a building is 65-feet long, what is the length of the building in meters, to the nearest tenth?

*asked on December 9, 2014* -
## Algebra

Leo's garden, which is 6m wide, has the same area as Jen's garden, whichis 8m wide. Find the length of the two rectangular gardens if Leo's garden is 3m longer than Jen's garden.

*asked on September 24, 2013* -
## psychology

dr. gibson has created a new energy drink which he hopes will also make a person smarter when testing his new drink what is the independent variable and what is the dependent variable?

*asked on November 2, 2011* -
## Statistics

The probability that a football game will go into overtime is 20%. What is the probability that two of three football games will go to into overtime? A) 0.384 B) 0.2 C) 0.04 D) 0.096

*asked on March 1, 2011* -
## geometry

If VZ = 21, ZX = 24, and Z is the midpoint of WY, what is the length of WZ rounded to the nearest tenth?

*asked on July 29, 2010* -
## college chemistry

Carbon monoxide is toxic because it bonds much more strongly to the iron in hemoglobin (Hgb) than does O2. Consider the following reactions and approximate free energy changes: Hgb + O2 ---> HgbO2 ∆G⁰ = -70 kJ Hgb + CO ---> HgbCO ∆G⁰ = -80 kJ Using

*asked on April 28, 2010* -
## Japanese

Does "Uchi de nani-go o hanashimasu ka" mean "What language do you speak at home?"

*asked on December 14, 2009* -
## Calculus

Find d^5/dx^5 g(x) for g(x)=sinx+5x^4 A. cos x B. sin x + 120 C. -cos x +20x^3 D. -cos x + 120 x E. sin x

*asked on May 19, 2020* -
## physics

What is the average useful power output of a person who does 5.50×106 J of useful work in 6.50 h? Working at this rate, how long will it take this person to lift 1850 kg of bricks 1.20 m to a platform? (Work done to lift his body can be omitted because it

*asked on November 14, 2017* -
## Algebra

Suppose you want to draw a rectangle where the width is 7 inches less than the length and the diagonal is 7 inches longer than the length. What are the dimensions of the rectangle?

*asked on May 30, 2017* -
## Math

Please help me. You work every Sunday in the yard from 8:00 A.M. To 11:30 A.M. Draw a diagram that shows the rotation completed by the hour hand of a clock during this time. Find the measure of the angle generated by the hour hand in both degrees and

*asked on September 18, 2016* -
## Mathematics

Two cars drive from town A to town B at constant speeds. The blue car travels 25 miles per hour and the red car travels 60 miles per hour. The blue car leaves at 9:30 am and the red car leaves at noon. The distance between the two towns is 150 miles. Who

*asked on May 29, 2015* -
## Algebra

For a board game there is 3 kinds of bills. There are 11 more $2 bills than $1 dollar bills. There are 18 fewer $3 dollar bills than $1 bills. The total for the bill is $100. How many $1 bills are used? 100 = n+2(n -11)+3(n+18) 100= n-2n-22+3n +54 100 = 6n

*asked on November 13, 2014* -
## Anatomy

Which of the following cells lacks mitochondria? a. neutrophil b. platelets c. basophils d. erythrocytes I just need some assistance and assurance that my answer is reasonable. I'm thinking that the answer is d. erythrocyte because it is not a true cell. I

*asked on October 29, 2013* -
## math

A person flying a kite holds the string 4 feet above ground level. The string of the kite is taut and makes an angle of 60° with the horizontal (see the figure). Approximate the height of the kite above level ground if 700 feet of string is payed out.

*asked on September 28, 2011* -
## I NEED URGENT HELP!!!

A ship leaves port at 1:00 P.M. and sails in the direction N36°W at a rate of 25 mi/hr. Another ship leaves port at 1:30 P.M. and sails in the direction N54°E at a rate of 16 mi/hr. (a) Approximately how far apart are the ships at 3:00 P.M.? (Round your

*asked on September 28, 2011* -
## MATH

If 20% of population have blue eyes, and 5 people are selected at random, what is the probability that at least 4 of them have blue eyes? HOW DO I FIND THE SOLUTION TO THIS PROBLEM?

*asked on March 25, 2011* -
## physics

A volleyball is deflected vertically by a player in a game housed in a high school gymnasium where the ceiling clearance is 18m. If the initial velocity of the ball is 21.5 m/s, will the ball contact the ceiling?

*asked on September 19, 2010* -
## college chemistry

A zinc-copper battery is constructed as follows: Zn | Zn+2(0.10 M) || Cu+2 (2.50 M)| Cu The mass of each electrode is 200.0 g. Each half cell contains 1.00 liter of solution. a) Calculate the cell potential when this battery is first connected. b)

*asked on April 28, 2010* -
## algebra

your test scores in one class are 80 and 88. what possible scores can you earn on your next test to have a test average between 84 and 89, inclusive?

*asked on September 1, 2015* -
## algebra

if 240 widgets cost $36, what is the cost of 180 widgets?

*asked on February 17, 2015* -
## math

Describe the vertical asymptote(s) and hole(s) for the graph of .y=(x-3)(x-1)/(x-1)(x-5) A. asymptote: x = 5 and hole: x = 1 B. asymptote: x = –5 and hole: x = –1 C. asymptote: x = –3 and hole: x = 5 D. asymptote: x = 5 and hole: x = –1

*asked on January 21, 2015* -
## Statistics

Critical Values for the Correlation Coefficient n alpha = .05 alpha = .01 4 0.95 0.99 5 0.878 0.959 6 0.811 0.917 7 0.754 0.875 8 0.707 0.834 9 0.666 0.798 10 0.632 0.765 11 0.602 0.735 12 0.576 0.708 13 0.553 0.684 14 0.532 0.661 15 0.514 0.641 16 0.497

*asked on February 12, 2014* -
## Social Studies

1.How did their dependence on British trade affect the opinions of Americans in the East and North regarding the War of 1812? -more inclined to fund the War of 1812 -less supportive of the War of 1812 -secretively supportive of the War of 1812 -less

*asked on January 5, 2014* -
## Physics

A person pulls a rake with 152 Newton of force along the handle. The angle between the handle and the ground is 35.0 degrees. Determine the magnitudes of the horizontal and vertical components of this force.

*asked on October 16, 2013* -
## Math

In a basketball game Maria scored 3 times as many points as Holly. In the next game, Maria scored 7 fewer points than she did in the first game, while Holly scored 9 more points than she did in the first game. If they scored the same number of points in

*asked on September 24, 2013* -
## math

Mark ran 0.545 kilometers. How many meters did he run? A. 54m B. 54.5m C. 545 m D. 5,450 m

*asked on January 9, 2012* -
## pysics

a .15 kg ball is placed in a shallow wedge with an opening angle of 120 degrees. for each contatct point between the wedge and the ball, determine the force exerted on the ball. assume the system is frictionless.

*asked on November 3, 2010* -
## Psychology

Final Project Analyzing Psychological Disorders

*asked on August 31, 2009* -
## Physics - REPOST

A styrofoam ball covered with a conducting paint has a mass of 5.0 x 10 ^-3 kg and has a charge of 4.0 microcoulombs. What electric field directed upward will balance the weight of the ball?

*asked on September 11, 2007* -
## physics

The Space Shuttle astronauts use a massing chair to measure their mass. The chair is attached to a spring and is free to oscillate back and forth. The frequency of the oscillation is measured and that is used to calculate the total mass m attached to the

*asked on September 5, 2007* -
## Math

If rCosx=3 and rSinx=4, find the value of r and x.

*asked on April 21, 2017* -
## pre algebra

The difference between two numbers is 44. Five times the smaller is equal to 8 more than the larger. What are the numbers

*asked on July 30, 2016* -
## Chemistry

Ammonium carbonate decomposes upon heating according to the balanced equation: (NH4)2CO3(s) -> 2NH3(g)+CO2(g)+H2O(g) Calculate the total volume of gas produced at 27.0 degrees C and 2.03 atm from the reaction of 1.4kg of (NH4)2CO3. What is the pressure of

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

Two particles approach each other with equal and opposite speed v. The mass of one particle is m, and the mass of the other particle is nm, where n is just a unitless number. Snapshots of the system before, during, and after the elastic collision are shown

*asked on November 1, 2015* -
## Finite Math

11. As part of a weight reduction program, a man designs a monthly exercise program consisting of bicycling, jogging, and swimming. He would like to exercise at most 38 hours, devote at most 3 hours to swimming, and jog for no more than the total number of

*asked on June 27, 2015* -
## Finite Math

15 An appliance store sells two brands of televisions. Each Daybrite set sells for $425, and each Noglare set sells for $700. The store’s warehouse capacity for television sets is $400, and new sets are delivered only each month. Records show that

*asked on June 27, 2015* -
## help! Physics

I've been getting this question wrong so many times! What is the relationship between the coefficient of friction and the time that it takes the object to reach the bottom of the ramp?

*asked on March 2, 2015* -
## Statistics

A clinical trial tests a method designed to increase the probability of conceiving a girl. In the study 624 babies were born, and 312 of them were girls. Use the sample data to construct a 99% confidence interval estimate of the percentage of girls born.

*asked on February 12, 2014* -
## Physics

A child pulls a wagon along level ground. The handle with which she pulls the wagon makes an angle of 20.0 degrees with the ground as the child pulls with a force of 78.0 Newton. What are the components of the force. Pls pls pls pls help me answer this and

*asked on October 16, 2013* -
## Physics

Find the magnitude and direction of the equilibrant force for these two concurrent forces: 13.5 N, E and 32.0 N, N. Pls HELP me answer this. Thank u very much.

*asked on October 16, 2013* -
## Math

5. Raul works 2 hours a day after school, Monday through Friday. On Saturdays he works 8 hours at $2 more per hour than on weekdays. If he makes $142 per week, how much does he make per hour on weekdays.

*asked on September 25, 2013* -
## chemistry

1L of a buffer composed of acetic acid and sodium acetate has a pH of 4.3. Adding 10mL of 2M sodium hydroxide solution to 100mL of this buffer causes the pH to rise to 4.87. what is the total molarity of the original buffer?

*asked on March 10, 2013* -
## Algebra ASAP

Elimination ( show work please) 6x+5y=39 3x+5y=27

*asked on February 26, 2013* -
## Chemistry

The density of solid Cr is 7.15 g/cm3. How many atoms are present per cubic centimeter of Cr? As a solid, Cr adopts a body-centered cubic unit cell. How many unit cells are present per cubic centimeter of Cr?

*asked on February 19, 2013* -
## math

A farmer needs to fence a rectangular piece of land.She wants the length of the field to be 55 feet longer than the width. If she has 1310 feet of fencing material, what should be the length and the width of the field?

*asked on January 24, 2013* -
## math

At a certain college, there are 7 men for every 5 women. If there are 440 more men than women, what is the total enrollment?

*asked on November 16, 2012* -
## SOCIAL STUDIES

WHICH STATEMENTS BEST SUMMARIZES THE PARAGRAPH'S MAIN POINT? PLEASE

*asked on November 14, 2012* -
## gen chem II

At what temperature does the average speed of an oxygen molecule equal that of an airplane moving at 560 mph?

*asked on November 11, 2012* -
## math

Which equation demonstrates the commutative property of addition? a. 2x+y=y+2x b. 2x+y=2x+y c. 2x+y=2(x+y) d. 2x+y=y+(2+x)

*asked on August 24, 2012* -
## social studies

As a result of the mexican war, the united states a. gained mexican territory b. won $ million from mexico c. lost california to mexico d. let texas became part of mexico

*asked on February 9, 2012* -
## Chemistry

What is the formula for Celsius and Kelvin scales for temperature?

*asked on January 20, 2012* -
## 10th grade math

a rectangular picture 8 inches by 12 inches has a frame of uniform width x inches. Write a function expressing the total area A of the picture and the frame as a function of x.

*asked on October 29, 2011* -
## Physics

A 30-lb weight is attached to one end of a 6-ft uniform beam whose own weight is 20-lb. Where is the balance point of the system? I know the answer is "1.2 ft from the 30-lb weight" but I can't figure out how to get there. Please help. Thanks...

*asked on April 22, 2011* -
## Chem problem- percent yield

Heating an ore of antimony (Sb2S3) in the presence of iron gives the element antimony and iron(II) sulfide. Sb2S3 (s) + 3Fe(s) ¨ 2Sb(s) + 3FeS(s) When 15.0 g Sb2S3 reacts with an excess of Fe, 9.84 g Sb is produced. What is the percent yield of this

*asked on March 22, 2009* -
## Math

A tennis court is 6 yards wide and 10 yards long. A football field is 60 yards wide and 110 yards long. How many tennis courts fit onto the football field?

*asked on February 25, 2009* -
## English

What is an adverb clause?

*asked on February 5, 2009* -
## Chemistry

Calculate the wavelength of the yellow light emitted by a Sodium Lamp if the frequency is 5.10 X 10^14 Hz. Formula: Wavelenght (lamda)= speed of light, 3 X 10^8(c)/frequency, 5.1 X 10^14. My answer was 5.9 X 10^-5. Is this anywhere near correct? Please

*asked on December 6, 2008* -
## Statistics

What is a 95% confidence interval for mue, the population mean time the postal service employees have spent with the postal service? n=100 mean=7 S=2 years

*asked on March 30, 2008* -
## Paralegal Today

Assume that John submits ann offer to Lisa to purchase Lisa's home for $300,000. Lisa responds to John's offer with a counteroffer: she will sell John her home for $325,000. John then offers to purchase the home for $325,000 and Lisa accepts the offer. In

*asked on September 30, 2007* -
## chemistry!!

If someone could please help me figure out this problem and tell me how you did it, I would really appreciate the help!! Chaum drives a car 10,000 miles during the year and the car gets 22 miles/gallon. How many pounds of carbon dioxide in a year will

*asked on February 26, 2007* -
## Chemistry

Mg3N2 + 6H20 = 3Mg(OH) + 2NH3 What mass of magnesium nitride would you need to react with excess water to produce 25g of ammonia?

*asked on May 23, 2020* -
## Math

What number is the same as 4 hundreds, 7 tens and 13 ones?

*asked on March 31, 2020* -
## calculus

A truck starts dumping sand at the rate of 17 ft^3/ min, forming a pile in the shape of a cone. The height of the pile is always 2/3 the base diameter.

*asked on January 12, 2020* -
## Biology

Which belongs to the correct place Organ: Organ system: Tissue: Bones, Bone marrow, human body, skeletal system,

*asked on November 20, 2019* -
## physics

What is the average useful power output of a person who does 5.50×106 J of useful work in 6.50 h? 235 W correct answer Working at this rate, how long will it take this person to lift 1850 kg of bricks 1.20 m to a platform? (Work done to lift his body can

*asked on December 6, 2017* -
## physics

Calculate the force needed to bring a 1070–kg car to rest from a speed of 89.0 km/h in a distance of 110 m (a fairly typical distance for a non-panic stop). -2.97×103 N correct answer Suppose instead the car hits a concrete abutment at full speed and is

*asked on December 6, 2017* -
## physics

the nail puller shown in the figure below you exert a force 53.2 cm from the pivot and the nail is 1.50 cm on the other side. What minimum force must you exert to apply a force of 1380 N to the nail to pull the nail up? 38.9 N is correct What is the

*asked on December 6, 2017*