# jean

Popular questions and responses by jean-
## World History B

Which is the most accurate description of Mao Zedong? A) a student of Communism who led an army of peasants to unify mainland China, commanding it as General Mao B) a general who used the army to overthrow China’s last imperial dynasty, taking the throne

*asked on February 2, 2019* -
## World History

What legacy was established after the Holocaust for nations to deal with genocide? 1.The Nuremberg Trials provided a plan for countries to conduct international courts in a postwar world. 2. The Potsdam Conference established war reparations as a method

*asked on February 13, 2019* -
## physics

At high noon, the Sun delivers 1000W to each square meter of a blacktop road. If the hot asphalt loses energy only by radiation, what is its equilibrium temperature? so I know that the formula to find the RATE OF RADIATION= the constant (5.6696 x 10^-8

*asked on April 26, 2007* -
## World History B

What was the main purpose of the League of Nations? 1. to create friendly feelings among countries 2. to restore the economy of Western nations 3. to help President Wilson get elected 4. to maintain territorial and political independence Is the answer 4?

*asked on February 13, 2019* -
## World History B

Which analyze effects of World War I on the internal politics of Russia? (Select all that apply.) A)Communists were able to gain power through a second revolution in the political chaos of the war. B) Russia’s alliance with emerging democracies of France

*asked on February 13, 2019* -
## physics.

A 20.0 kg cannon ball is fired from a cannnon with muzzle speed of 1000 m/s at an angle of 37.0 with the horizontal. A second ball is fired at an angle of 90.0. Use the conservation of energy principle to find a] the maximum height reached by each ball and

*asked on March 15, 2007* -
## Business Math

Lee Holmes deposited $ 15,000 in a new savings account at 9% interest compounded semiannually, At the beginning of year 4, Lee deposites an additional $40000 at 9% interest compounded semiannually. At the end of the 6 years what is the balance in Lee;s

*asked on December 5, 2012* -
## statistics

A multiple-choice quiz has 15 questions, each with 4 possible answers of which only 1 is the correct answer. What is the probability that a student gets 7 to 11 correct answer?

*asked on September 10, 2015* -
## World History B

Which most accurately describes one point of conflict between supporters and critics of the climate change theory? A) Critics demand immediate controls, while supporters want to take time to study the warming trend. B)Supporters demand immediate controls,

*asked on February 8, 2019* -
## Algebra 1

Jane needs a short-term loan to buy a new washing machine. She needs to borrow $1500 at 20% compounded annually and plans to have it paid off in 1 year. Jane writes the formula 1500(1.2)t and finds out that this loan will cost her $1800. Which equation

*asked on February 28, 2019* -
## physics

A child, who is 45 m from the bank of a river is being carried downstream by the river's swift current of 1.0 m/s. As the child passes a lifeguard on the river's bank, the lifeguard starts swimming in a straight line until she reaches the child at a point

*asked on September 3, 2014* -
## AP Statistics

I was sick and when I came back to school I received this question as homework and I don't understand it... Jenny is a 60 percent free-throw shooter She gets to shoot a second free throw if and only if she makes her first shot. She can score 0 points( if

*asked on January 2, 2018* -
## Algebra

A sequence is defined recursively by the following rules: f(1)=3 f(n+1)=2⋅f(n)−1 Which of the following statements is true about the sequence? Select all that apply. f(5)=33 f(3)=10 f(4)=18 f(6)=66 f(2)=5 I cannot seem to figure out what to do, I even

*asked on February 22, 2019* -
## chem

The value of ΔH° for the reaction below is -1107 kJ: 2Ba (s) + O2 (g) → 2BaO (s) How many kJ of heat are released when 5.75 g of BaO (s) is produced?

*asked on March 25, 2018* -
## Physics

A sky diver of mass 80.0 ks jumps from a slow-moving aircraft and reaches a terminal speed of 50.0 m/s. a) What is the acceleration of the sky diver when her speed is 30.0 m/s? What is the drag force on the diver when her speed is b) 50.0 m/s? c) 30.0 m/s?

*asked on March 1, 2007* -
## Algebra

A beach ball rolls off a cliff and onto the beach. The height, in feet, of the beach ball can be modeled by the function h(t)=64–16t2, where t represents time, in seconds. What is the average rate of change in the height, in feet per second, during the

*asked on March 1, 2019* -
## Algebra

Which of the following functions is equivalent to the function below? Select two that apply. f(x)=3 ^2x+1 1) g(x)=27^x 2) g(x)=9^x +1 3) g(x)=3^2x +3 4) g(x)=3⋅9^x 5) g(x)=2⋅3^x +1 6) g(x)=(1/3)^−(2x+1) I selected answers 2 and 4. Are these correct?

*asked on March 1, 2019* -
## World History

How did Europeans use the idea of eugenics to justify colonization and imperialism? Europeans theorized that their economic superiority justified their claim to foreign resources for technological advancement. Europeans thought that their scientific

*asked on January 13, 2019* -
## Math

In a survey of students about favorite sports the results include 23 who like tennis 24 like football 7 like tennis and football 20 like football and baseball 5 like all three sports 9 like no sports. How many students like only tennis and football? How

*asked on October 1, 2016* -
## Calculus

The balloon leaves the ground 80 ft. from an observer and rises vertically upward at 5 ft/s. (a) How fast is the balloon receding from the observer after 12 seconds? (b) find the corresponding acceleration? How do I sketch it? and what equation should I

*asked on August 12, 2015* -
## physics

croquet ball must have a set mass of 0.50 kg. a red ball moving at 10.0 m/s, strikes an at-rest green ball head on. The red ball continues moving at 1.5 m/s after it hits the green ball. What is the final speed of the green ball?

*asked on May 15, 2014* -
## Business Math

Lee Willis loaned Audrey Chin $16000 to open Snip Its Hair Salon. After 6 years, Audrey will repay Lee with 8% interest compounded quartly. How much will Lee receive at the end of 6 years?

*asked on December 5, 2012* -
## physics

A body moving with uniform acceleration has a velocity of 9.8 cm/s when its x coordinate is 1.38 cm. If its x coordinate 1.4 s later is -8.1 cm, what is the magnitude of its acceleration? Answer in units of cm/s2

*asked on August 24, 2011* -
## managerial economics

At a recent board meeting, the president and CEO got into a heated argument about whether to shut down the firm's plant in Miami. The Miami plant currently loses $60,000 monthly. The president of the firm argued that the Miami plant should continue to

*asked on February 29, 2008* -
## Algebra

Which of these is another way to write the function ƒ(x)=16x? 1) f(x)=4^4x 2) f(x)=2^4x 3_ f(x)=2 ^x/4 4_f(x)=4 ^/x4 I the answer 2, is that correct?

*asked on March 1, 2019* -
## Business Math

Jim Company bought a machine for $36,000with an estimated lofe of 5 years. The residual value of the machine is $6,000 Calculate (a) the annual depreciation and (b) the book value at the end of year 3. Assume straight-line depreciation

*asked on December 20, 2012* -
## Probability

Of 500 employees, 200 participate in a company's profit sharing plan(P), 400 have major insurance coverage(M), & 150 employees participate in both programs. Construct a Venn diagram and find out the probability that a randomly selected employees a) will be

*asked on October 19, 2011* -
## more physics.

What change in entropy occurs when a 27.9-g ice cube at -12 C is transformed into steam at 115 C? Add the entropy changes due to: (1) heating the ice to 0C, (2) melting the ice, (3) heatng the water from 0 to 100 C, and (4) Evaporating the liquid water.

*asked on April 26, 2007* -
## Physics

Calculate the force required to pull a copper ball of radius 2.00 cm upward through a fluid at the constant speed 9.00 cm/s. Take the drag force to be proportional to the speed, with proportionality constant 0.950 kg/s. Ignore the buoyant force.

*asked on March 1, 2007* -
## Computer Viruses

A virus that infects an application program is known as a _________. a) boot sector virus b) macro virus c) Trojan horse d) file virus From what I understand, both macro viruses and file viruses affect application programs such as Word and Excel. So which

*asked on March 7, 2010* -
## Physics

If you place a glass test tube in water, you can see the tube. If you place it in clear soybean oil, you may not be able to see it. What does this indicate about the speed of light in the oil and in the glass?

*asked on November 19, 2009* -
## 20th century Europe

The 20th century European dominance was replaced by what?

*asked on February 1, 2014* -
## Pharmacy Math

How much stock solution of hydrogen peroxide 8% will you need to make 320ml of hydrogen peroxide 2% solution? ____

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

Are the following parameters stability indicating? 1) Viscosity of a substance 2) Optical rotation of a substance

*asked on April 13, 2012* -
## Critical Thinking (philosophy)

1. 21{1[2(24)24]}> The average height of members of the high school basketball team is six feet, three inches. Jerry is on the high school basketball team, so Jerry must be taller than six feet. The argument above is flawed because it confuses (Points : 1)

*asked on April 30, 2011* -
## Philosophy

The very large increase in allergies over the last thirty years is due to the great success of immunizations administered over this time period. Since immunizations have nearly eliminated life-threatening diseases such as polio, the human immune system

*asked on April 30, 2011* -
## physics

A spelunker drops a stone from rest into a hole. The speed of sound is 343m/s in air, and the sound of the stone striking the bottom is heard 1.46s after the stone is dropped. How deep is the hole? What is it in meters

*asked on October 23, 2008* -
## home health care

where can i go to find information on this question I have to ask? how are services provided in home health care to fit in continuum of care

*asked on September 27, 2008* -
## health care in the US

What is the impact of medical professional shortages on healthcare delivery?

*asked on September 23, 2008* -
## Math- algebra

using L as the length and W is wide asume L is great then W . If a architect is makiing a swimming pool to go into a rectangular area of fencing and she uses 6 yards of fencing to enclose a rectangular area of 352 square yards what would the dinension be

*asked on July 4, 2008* -
## Economics

What economic conditions are relevant to decision-making?

*asked on April 22, 2008* -
## managerial economics

The MorTex Company assembles garments entirely by hand even though a textile machine exists that can assemble garments faster than a human can. Workers cost $50 per day, and each additional laborer can produce 200 more units per day (i.e., marginal product

*asked on February 8, 2008* -
## science

What are some of the health problems associated with anorexia nervosa, bulimia nervosa, and binge-eating disorder?

*asked on September 17, 2007* -
## World History

What effect did the launching of Sputnik have on American society? 1.It created a sense of national pride in American technology. 2. It ultimately led to a growth in the size and scope of government. 3. It led the government to take a less involved role in

*asked on February 13, 2019* -
## English

My apple trees will never get across. Which figure of speech is this??

*asked on March 28, 2018* -
## Chemistry

An unknown element Q has two known isotopes: 60Q and 63Q. If the average atomic mass is 62.0 amu, what are the relative percentages of the isotopes?

*asked on October 25, 2017* -
## chemistry

Consider the equilibrium reaction CO(g)+H2O(g)⇋CO2(g)+H2(g) Determine how each change in the left-hand column will stress the system and in which direction the equilibrium reaction will shift in response.

*asked on April 18, 2016* -
## math

7x-3y+4z=18 13x+6y+8z=30 11x-9y-12z=16 Find x,y,z please show the solution pleaseee

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

very hot sinc will react with steam to form zinc oxide and hydrogen. If 5.4 liters of hydrogen was used to use up 20 g of zinc completely. What is the percent yield of this process

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

Bob and his dad visited the hardware store on Saturday. They observed the following transactions: Mr. Harris bought 4 for 0.50, Mrs. Clarke bought 21 for $1.00, Mr. Montaro bought 1,134 for $2.00 and Ms. Park bought 450 for $1.50 What were they buying?

*asked on May 19, 2013* -
## American National government

According to the trustee model of representation, members of Congress must do what

*asked on May 5, 2013* -
## science

What is science

*asked on January 27, 2013* -
## Business Math

Being inventory of 12 sets of paints at a cost of $1.50 each. During the year the store purchased 4 sets at $1.60, 6 sets at $2.20, 6 sets at $2.50, and 10 sets at $3.00. By the end of the year, 25 sets were sold. Caculate the number of paint sets in stock

*asked on December 26, 2012* -
## Business Math

From the following facts, complete a depreciation schedule using thee straight - line cost of Highlander- $30,000 residual value- $6,000 estimated life- 8 years

*asked on December 20, 2012* -
## Business Math

John Roe, an employee of the Gap, loans $3000 to another employee at the store. He will be repaid at the end of 4 years with interest at 6% compounded quartly. How much will John be repaid?

*asked on December 5, 2012* -
## Chemistry

find the volume of 56.4 g of a substance that has a density of 2.42 g/mL

*asked on November 8, 2012* -
## Pharmacy Math

If you diluted 95ml of a 7% benzocaine lotion to 5% how much could you produce? ___

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

What is the range of 100, 95, 88, 0, and 87?

*asked on February 26, 2012* -
## chem: Drbob222

Hi I have a follow up to a question that was answered previously. New question: So when the HPO4(2-) reacts with the NaOH, will the equation be this?: HPO4^(2-) + NaOH --> H2O + NaPO4(2-) But how do I write the equation for the H2PO4^- and HCl? H2PO4^- +

*asked on January 30, 2012* -
## chem

write an equation for which component of the phosphate buffer (H2PO4-/ HPO4^2-) reacts when HCl is added. Do the same for NaOH. I think that the H2PO4- will react with the NaOH but its only a guess and I'm confused as to how I would go about doing this.

*asked on January 29, 2012* -
## Art

how would you as a defence attorney defend Jackson Pollock's art peice calle convergence

*asked on September 20, 2011* -
## math

a picture frame containing a photogragh is 11 inches wide and 14 inches high. a mat around the photograph is 1 1/2 inches wide on all sides. what are the dimensions of the photograph? do you want to add or subtract from each side?

*asked on January 17, 2011* -
## Analytic Geometry

Express by an algebraic equation the statement that the line joining P(x,y)to the point (12,-5) has an inclination of arctan 1/3. please help...thanks

*asked on December 11, 2010* -
## Analytic Geometry

Find the value of x if the slope of the line segment joining (3/10,6) and (x,-4) is 5.

*asked on December 11, 2010* -
## statistics

If 80% of the applicants are able to pass a driver's proficiency road test, find the mean, variance, and standard deviation of the number of people who pass the test in a sample of 300 applicants.

*asked on October 1, 2010* -
## math

Help! i am having trouble finding the order pair for the first pair I have (0,-12), but I am not sure this is correct 9x-4y= -12 and 4y-9x=12

*asked on September 26, 2010* -
## business

• Given the business situation for Spectrum Brand p. 251, explain how the firm might organize using a Matrix structure for the organization. • Explain how the firm could operate using a Multidivisional structure. • Discuss which structure would be

*asked on August 1, 2010* -
## Chemistry

I have a problem that I'm wondering is a "trick" question. How many nucleons are there in an atom of 235 (atomic mass) over 92 (atomic #) U? According to the periodic table, the atomic mass is 238, not 235. Any comments? Thanks a lot!

*asked on July 24, 2010* -
## data management grade 12

A clothing manufacturer has 100m of silk and 180m of wool. To make a suit requires 2m of silk and 3m of wool, and to make a dress requires 1m of silk and 2m of wool. If the profit on a suit is $108 and the profit on a dress is $60, how many suits and

*asked on February 5, 2010* -
## arithmetic

evaluate |4| + | -3| and |-9| - |-4| I need help if you could show me the steps I would be thankful.

*asked on January 13, 2010* -
## 3rd grade math

Shelby had $18.50. she spent $7.25 at the car wash. Write an expression that shows what she spent.

*asked on September 26, 2009* -
## physics

Farhan tosses a ball upwards with an initial velocity of 13.0 m/s. What is the direction of motion of the ball 2.4 seconds after he threw it? type "up" if it is moving up and "down" if it is moving down

*asked on August 25, 2011* -
## chemistry

A drop of starch is added to a mixture of 97.30 ml of 0.1096 M I2 and 97.20 ml of 0.1098 M Na2S2O3. I've already calculated the moles of I2 to be 10.66408 moles and the moles of Na2S2O3 to be 10.67256. Will the solution be blue even if their moles aren't

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

what is meant by the term"utility" and how does the idea relate to purposeful behavior?

*asked on January 18, 2009* -
## Convergence

explain how internet convergence, including issues about privacy protection, has affected business, families, government and the global community

*asked on April 16, 2008* -
## statistics

Scores on a test are normally distributed with a mean of 68.2 and a standard deviation of 10.4. Estimate the probability that among 75 randomly selscted students, at least 20 of them score greater that 78.

*asked on April 13, 2008* -
## managerial economics

When McDonald's Corp. reduced the price of its Big Mac by 75% if customers also purchased french fries and a soft drink, The Wall Street Journal reported that the company was hoping the novel promotion would revive its US sales growth. It didn't. Within

*asked on March 14, 2008* -
## managerial economics

The Harley-Davidson motorcycle company, which had a copyright on the word "hog," applied for exclusive rights to its engine sound. Why would a company want copyrights on two such mundane things? In my opinion. The reason for the two mundane things is to

*asked on February 28, 2008* -
## managerial economics

At a recent board meeting, the president and CEO got into a heated argument about whether to shut down the firm's plant in Miami. The Miami plant currently loses $60,000 monthly. The president of the firm argued that the Miami plant should continue to

*asked on February 25, 2008* -
## managerial economics

Engineers at a national research laboratory built a prototype automobile that could be driven 180 miles on a single gallon of unleaded gasoline. They estimated that in mass production the car would cost $40,000 per unit to build. The engineers argued that

*asked on February 16, 2008* -
## managerial economics

After two quarters of increasing levels of production, the CEO of Canadian Fabrication & Design was upset to learn that, during this time of expansion, productivity of the newly hired sheet metal metal workers declined with each new worker hired. Believing

*asked on February 7, 2008* -
## managerial econ

As manager of Citywide Racquet Club, you must determine the best price to charge for locker rentals. Assume that the (marginal) cost of providing lockers is 0. The monthly demand for lockers is estimated to be Q = 100 - 2P where P is the monthly rental

*asked on February 6, 2008* -
## science

out side of protien being good for cloting blood in your body what are some other benefits i can say about it. making you fat is not a benefit. Protein is the source of amino acids used for making muscle tissue. Thank you for using the Jiskha Homework Help

*asked on August 18, 2007* -
## ..physics.

At 20.0 C, an alumium ring has an inner diameter of 5.0000 cm and a brass rod has a diameter of 5.0500 cm. a. If only the ring is heated, what temperature must it reach so that it will just slip over the rod? b. WHAT IF? If both are heated together, what

*asked on April 19, 2007* -
## physics

A rod of length 30.0 cm has linear density(mass-per-length) given by [lambda]= 50.0g/m + 20.0x g/(m^2) where x is the distance from one end, measured in meters.(a) What is the mass of the rod? (b) How far from the x=0 end is its center of mass? never mind.

*asked on April 19, 2007* -
## math

jamie ran two laps around a track in 99 seconds. how long did it take him to run each lap if he ran the first lap 8.5m/s and the second at 8.0m/s? Let t be the first lap time and L be the length of one lap. 8.5 m/s * t = L 8 m/s * (99-t) = L These two

*asked on November 28, 2006* -
## Algebra

Celsius temperature readings can be converted to Fahrenheit readings using formula F=9/5c+32 What is the fahrenheit temp. that corresponds to each of the following Celsius temperatures -10, 0, 15, 1000? I will be happy to critique your work on this. You

*asked on September 16, 2006* -
## Chemistry

A 0.003913 mol sample of an organic compound was burned in oxygen in a bomb calorimeter. The temperature of the calorimeter increased from 23.1 °C to 25.7 °C. If the heat capacity of the calorimeter is 4.24 kJ (°C)−1, then what is the constant volume

*asked on February 2, 2020* -
## Algebra

Gaya owes $75. She plans on paying back her debt at $3 per day. The amount she owes after a given number of days can be represented by y=3x−75. Which of the following correctly analyzes the domain of this situation? 1) The domain represents time, in

*asked on February 22, 2019* -
## World History B

Which most accurately describe the risks of using bitcoins in a virtual black marketplace? (Select all that apply.) A) Bitcoin-related fraud is difficult to prosecute due to anonymity. B) New virtual currencies make bitcoin users seem old-fashioned. C) The

*asked on February 8, 2019* -
## World History B

Which explains a consequence of the rise of global virtual markets? A) International trade has become stagnant due to open borders. B) The growth of regional economies is limited to local resources. C)Virtual shopping limits the product selection from

*asked on February 8, 2019* -
## World History

Read the statement. Finally, you have broader considerations that might follow what you would call the “falling domino” principle. You have a row of dominoes set up, you knock over the first one, and what will happen to the last one is the certainty

*asked on February 2, 2019* -
## World History B

Which explain how outside factors influenced the conflict in Vietnam in the years after World War II? (Select all that apply.) A) At the threat of an invasion from the Soviet Union, the non-Communist leader in South Vietnam resigned in favor of Communist

*asked on February 2, 2019* -
## social studies

Middle SchoolHistory 5+3 pts 1. The Pacific islands formed by coral reefs are called (1 point) A. volcanic. B. reefs. C. atolls. D. plates. 2. What is a reason few people have settled in the interior of Australia? (1 point) A.No mineral wealth is in the

*asked on January 30, 2019* -
## World History

Which examines the impact of Napoleon’s territorial conquest on the world? (1) Unification of the Rhine created a new European imperial power in Africa. (2) The establishment of the Napoleonic code allowed for the codification of natural resources.

*asked on January 13, 2019* -
## chem

A sample of iron absorbs 71.1 J of heat, upon which the temperature of the sample increases from 21.5°C to 28.8°C. If the specific heat of iron is 0.450 J/g-K, what is the mass (in grams) of the sample?

*asked on March 25, 2018* -
## Maths

The formula for a simple interest rate is I = PRT and Total Balance = P + I The formula for compound interest is B = P × (1 + 〖r/n)〗^nt Adam invests £55,000 at interest rate of 4% per annum

*asked on December 19, 2017* -
## statistics

Car seat belts are tested for strength, and it is found the results are normally distributed with a mean of 2400 lb and a standard deviation of 400 lb. Using the 68-95-99.7 rule, find the percentage of scores between 1600 lb and 3200 lb.

*asked on August 5, 2017* -
## physics

the rate at which radiant energy from the sun reaches the earth's upper atmosphere is about 1.50kW/m2. the distance from the earth to the sun is 1.50*10^11m, and the radius of the sun is 6.96 * 10^8m. if the sun radiates as an ideal black body (e=1), what

*asked on May 7, 2017* -
## physics

How much effort force would be needed to roll a barrel with a resistance force of 100N up an inclined plane with a height of 2m and an inclined plane of 8m?

*asked on January 22, 2016*