# cheryl

Most popular questions and responses by cheryl-
## computer science

9.10: Reverse Array Write a function that accepts an int array and the array’s size as arguments. The function should create a copy of the array, except that the element values should be reversed in the copy. The function should return a pointer to the

*asked on February 18, 2012* -
## Consumer Math

1. Ken bought a car last year to drive back and forth to work. Last year he spent $1,098 on gas. This year, it was $1,562. What is the inflation rate? a. About 51% b. About 42% c. About 20% d. About 39% I believe it is b is this correct? 2.Carnie had an

*asked on February 24, 2014* -
## physics

Julie carries an 8.0-kg suitcase as she walks 18 m along an inclined walkway to her hotel room at a constant speed of 1.5 m/s. The walkway is inclined 15 degrees above the horizontal. How much work does Julie do in carrying her suitcase?

*asked on December 15, 2011* -
## college chem

what volume of 0.955 M HCl, in milliliters, is required to titrate 2.152g of Na2CO3 to the equivalent point? Na2CO3(aq) + 2HCl(aq) 2NaCl(aq) + CO2(g) + H2O(1) can this please be explained in simple step by steps? i am sick and i am having trouble

*asked on October 6, 2011* -
## MAth

The sale price of a spring break vacation package was $179.99 and he travel agent said by booking early you saved $20. What is the percent reduction in price? 179.99/20

*asked on April 3, 2016* -
## computer science

Declare a structure whose tag name is Emp and that contains these fields (in the following order): a double field named d, a character pointer named str, and an array of eleven integers named arr. * I'm good till here. In addition, declare a array named

*asked on February 19, 2012* -
## computer science

The variable cp_arr has been declared as an array of 26 pointers to char. Allocate 26 character values, initialized to the letters 'A' through 'Z' and assign their pointers to the elements of cp_arr (in that order). int

*asked on February 18, 2012* -
## chemistry

How many joules are required to convert 16.5 g of ice at 0.0°C to liquid water at 32.0°C? The heat of fusion of water is 334 J/g.

*asked on May 4, 2011* -
## math

adult tickets for a play cost $5.50 and a child ticket cost $3.50. They sold 550 tickets and collected $2139.00. How many adult tickets sold

*asked on November 8, 2015* -
## computer science

The variable cp_arr has been declared as an array of 26 pointers to char. Allocate 26 character values, initialized to the letters 'A' through 'Z' and assign their pointers to the elements of cp_arr (in that order).

*asked on February 17, 2012* -
## Chemistry 20

The mass of calcium hydrogen carbonate that would be found in 52.0L of hard water in a bathtub is _______________ g. The amount concentration of calcium hydrogen carbonate in the hard water is __________mmol/L

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

In your opinion, how is the order operation used to solve equation. exponets, groups, multiplication, division, addition, subtraction. This allowes you to get the same result every time..... I hope this helps :) I searched Google under the key words "math

*asked on March 19, 2007* -
## Finance

Calculate the project’s initial Time 0 cash flow, taking into account all side effects.? This will be a five-year project. The company bought some land three years ago for $4.2 million in anticipation of using it as a toxic dump site for waste chemicals,

*asked on November 23, 2013* -
## algebra

State whether the growth (or decay) is linear or exponential, and answer the associated question. The population of Jamestown is increasing at a rate of 2.5% each year. If the population is 25,000 today, what will it be in 2 years?

*asked on February 1, 2016* -
## physical science

A certain radioactive substance has a half-life of 1 hour. If you start with 1 gram of the material at noon, how much will be left at 3:00 P.M.? At 6:00 P.M.? At 10:00 P.M.?

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

When doing an experiment with a calorimeter why is important to keep the lid on?

*asked on October 11, 2013* -
## college chem

sodium sulfide, Na2S, is used in the leather industry to remove hair from hides. The Na2SO4 + 4C -> Na2S +4CO(g) so suppose you mix 15(g) of Na2SO4 and 7.5g of C. which is the limiting reactant AND what is mass of Na2S that is produced?

*asked on October 9, 2011* -
## Pre-Algebra: HELP PLEASE

I'm really bad at these, can someone help me PLEASE? 1. Name the property shown by the statement: 9x + 0 = 9x a. Commutative Property of Addition b. Commutative Property of Multiplication c. Identity Property of Addition d. Identity Property of

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

1. All of the following are results of the Meiji reforms except the a. creation of the Diet b. institution of a Japanese caste system. c. establishment of a new educational system. d. construction of the railroads. is it a?

*asked on March 31, 2011* -
## Science

1. Symbiotic relationships may evolve a. very quickly to remove all benefits acquired by the relationship. b. rapidly over a short period of time throughout all species. c. over time by co-evolution of adaptations that reduce the harm or improve the

*asked on January 6, 2012* -
## Chemistry 20

What volume of concentrated phosphoric acid is required to prepare 250ml of a 0.375mol/L solutions?

*asked on June 18, 2011* -
## chemistry 2

the balanced equation for the reduction of iron ore to the metal using CO is Fe2O3+3CO(g) -> 2Fe+3CO so what is the maximum of iron in grams that can bbe obtained from 454g (1.00 lb) of iron (III) oxide? AND what mass of CO is required to react with the

*asked on October 9, 2011* -
## Chemistry: Answer check please!

1. Reactions follow the law of conservation of mass. a.) True b.) False Answer: True 2. Reactants are the materials used in a chemical reaction. a.) True b.) False Answer: True 3. In a chemical equation, the mass on the left of the arrow equals the mass on

*asked on April 2, 2011* -
## Check: Geography

1.The Soviet program of creating cotton fields in central Asia had disastrous consequences for: a. the Caspian Sea b. the Aral Sea c. Lake Baikal d. the Black Sea answer: B 2.What occurred after the fall of the Ottoman Empire? a.The Seljuk Turks conquered

*asked on March 10, 2011* -
## American Government

The Constitution establishes rules that the United States government must observe. There are five main principles that form the basis of these rules and ensure our democratic government. In a minimum of three well-developed paragraphs, list, define, and

*asked on October 22, 2010* -
## chemistry

The conjugate acid of CNO- is a. HCNO b. CNO- c. CN- d. H2CNO e. HCN Not quite sure for this question, is A the answer? Need help, thanks.

*asked on May 26, 2011* -
## chemistry

A nitric acid solution containing 71.0% by mass of the acid has a density of 1.42g/ml how many grams of nitric acid are present in 1.0L of this solution

*asked on May 3, 2013* -
## Life Skills

The Civil War was an example of which type of conflict? a. interpersonal b. intrapersonal c. intergroup d. intragroup I believe its C, is that correct?

*asked on February 22, 2013* -
## chemistry

a room is 18ft long, 15ft wide and from floor to ceiling is 8ft6inches. what is the rooms volume in cubic meters? i have 6.498716 is this correct? what is the mass of air in the room in kilograms assuming the density of the air is 1.2g/l and the room is

*asked on October 3, 2011* -
## Math

On a test of motor coordination, the population of average bowlers has a mean score of 24, with a standard deviation of 6. A random sample of 30 bowlers at Fred's Bowling Alley has a sample mean of 26. A second random sample of 30 bowlers at Ethel's

*asked on October 8, 2015* -
## algebra1

M varies directly with n; m=144 when n=8. What is the constant of variation k? I don't know what this mean. Could you help me out in solving this/ A statement such as "M varies directly with n" can be changed to the equation M=kn, where k is a constant.

*asked on March 29, 2007* -
## Algebra

A passenger will go 465 miles on 15.5 gallons of gas in city driving. What is the rate in miles per gallon?

*asked on November 7, 2018* -
## accounting

V P3-10. Calculating Present Value of a Savings Fund. (Obj. 5) Hal Thomas wants to establish a savings fund from which a community organization could draw $850 a year for 45 years. If the account earns 6 percent, Hal will have to deposit $ now to achieve

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

50.0 G SILVER SPOON AT 20.0 C PLACED IN A CUP OF COFFEE AT 90.0C

*asked on April 27, 2009* -
## English

How do i write a thesis statement about greed for the novel The Lion, The Witch and The Wardrobe?

*asked on June 12, 2010* -
## statistics

Suppose that there are 10 million workers in Canada and South Korea and each worker in Canada and South Korea can produce 4 cars per year. A Canadian worker can produce 10 tonnes of grain a year, whereas a South Korean worker can produce 5 tonnes of grain

*asked on November 11, 2011* -
## calculus

Is this a correct answer, I'm trying to integrate the marginal revenue function to get the function for total revenue. R'(x)=(30/(2x +1)^2)+30 =R(x)=(-15/2x+1)+30x

*asked on April 13, 2010* -
## statistics

2. Punkey Electronics, a small manufacturer of electronic research equipment, has approximately 7,000 items in its inventory. They just hired Joe Detail to manage the inventory. Joe has determined that 10% of the items in inventory are A items, 35% are B

*asked on November 11, 2011* -
## biology

This is a Independent and Dependent Variable questions. If leaf color change is related to temperature, then exposing plants to low temperatures will result in changes in leaf color.

*asked on September 26, 2013* -
## Environmental Science

1. The main provisions of the Endangered Species Act include all of the following EXCEPT: a. individuals may not destroy the habitats of endangered species b.one may not catch or kill, uproot, sell or trade any endangered or threatened species. c. the

*asked on January 6, 2012* -
## Math

A cell phone company charges $0.28 for each text message. Paula plans to spend no more than $5.00 on text messages next month. Write and solve an inequality to find how many text messages she will be able to send.

*asked on March 19, 2018* -
## American Government: Research Paper

I chose for my Research paper to write about Mark Kirk. How do I write a thesis statement in a Bibliography? HELPPPPP :D

*asked on February 25, 2011* -
## labor

What demands would most likely be advocated by union leaders interested in obtaining contract ratifications

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

Mr.Wood went to the stores to buy school supplies for his children. He spent half of his money plus $5 at Store A. He then spent half of the remaining money plus $10 at Store B. At the end he had $25 left. How much money did Mr. Wood start with?

*asked on May 6, 2013* -
## computer science

my code works in c++ so the logical I am getting error must be in the reading of the problem, but I can't see it: Given a type Money that is a structured type with two int fields, dollars and cents. Assume that an array named monthlySales with 12 elements,

*asked on February 24, 2012* -
## Algebra please help

1. Find the distance between the pair of points. Round to the nearest tenth is necessary. (-10, 4) and (6, 12) a. 11.4 b. 17.9 c. 31.4 d. 23.7 2. Find the distance between the pair of points. Round to the nearest tenth, if necessary. (-8,10) and (-2,10) a.

*asked on May 31, 2011* -
## Algebra: Check please

1. Find the distance between the pair of points. Round to the nearest tenth is necessary. (-13, -8) and (6, 17) a. 11.4 b. 12.1 c. 31.4 d. 23.7 is the answer c? 2. Find the distance between the pair of points. Round to the nearest tenth, if necessary.

*asked on May 6, 2011* -
## Chemistry: Answers please check

1. The kinetic-molecular theory states that all particles of matter are always in motion. a.) True b.) False Answer: True 2. Gases have molecules in rapid random motion. a.) T

*asked on April 2, 2011* -
## statistics

A group of 49 randomly selected construction workers has a mean age of 22.4 years with a standard deviation of 3.8. According to a recent survey, the mean age should be mu=21.9. Test this hypothesis by constructing a 98% confidence interval for the

*asked on November 19, 2013* -
## computer science

int *reverse(const int *, int); int *temp; temp = reverse(arr1,N); int *reverse(const int *arr1, int N) { int *arr2; arr2 = new int[N]; for(int count = 0; count < N; count++) { for(int index = (N-1); index

*asked on February 17, 2012* -
## Pre-algebra:Check

1. How many ways can the letters in the word LINEAR be arranged? a. 360 b. 720 c. 120 d. 240 is the answer a?

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

A total of tickets were sold for the school play. The number of student tickets sold was two times the number of adult tickets sold . How many adult tickets were sold?

*asked on August 30, 2010* -
## chemistry

The reaction of zinc and chlorine requires 0.00624 mol of Zn and 0.0125 mol of Cl to react exactly to form zinc chloride. What is the mole ratio of Zn to Cl? What is the empirical formula of zinc chloride?

*asked on February 17, 2010* -
## MACROECONOMICS

Suppose that there are 10 million workers in Canada and South Korea and each worker in Canada and South Korea can produce 4 cars per year. A Canadian worker can produce 10 tonnes of grain a year, whereas a South Korean worker can produce 5 tonnes of grain

*asked on November 13, 2011* -
## American Government: Check my answers please

1. Self-interest is not a primary motivation for people to become involved in a capitalist economy. a. True b. False Answer: A 2. In the U.S. economy, the government does not interrupt the market economy and business transactions between companies. a. True

*asked on June 27, 2011* -
## Pre-Algebra

1. Determine which set of three numbers could represent the sides of a right triangle. a. 9, 41, 41 b. 9, 40, 41 c. 8, 41, 40 d. 10, 40, 42 is the answer b? 2. Determine which set of three numbers could not represent the sides of a right triangle. a. 3, 4,

*asked on May 4, 2011* -
## English 2

In collecting information, the chief problem often facing historians and reporters is that there are too few facts or too many: A. Details B. Opinions C. Photographs D. Charts and Graphs is it A?

*asked on December 21, 2010* -
## compent

I need two paragraph about how interest rates affect our purchasing decision. identify the topic sentence in each by underlining it.

*asked on November 18, 2010* -
## trigonometry

find the radius of the circle whose sector area is 426 sq.cm. and central angle 24

*asked on September 30, 2016* -
## math

Find the future value of an annuity if you invest $200 quarterly for 20 years at 5% interest compounded quarterly.

*asked on April 12, 2016* -
## chemistry

When 5 grams of salt is dissolved in 95 grams of water the temperature of the solution increases 10°C how much heat is evolved the heat capacity of the solution is 1.1 cal/g°C

*asked on October 7, 2013* -
## Chemistry

In the titration of a weak acid with a strong base, the pH at the equivalence point is affected mostly by a.hydrolysis (reaction with water) of the weak acid b.the dissociation of water molecules c.the presence of excess base d.the hydrolysis of the

*asked on May 26, 2011* -
## Anatomy/Physiology

Structurally, what is the difference between the dermis and epidermis? A. The epidermis is thicker. B. The dermis contains more types of tissue. C. The dermis is mostly of dead skin cells. D. The epidermis consists of mostly adipose cells. I'm thinking b

*asked on August 5, 2009* -
## music

Many composers of the Impressionist era wrote harmonies consisting of chords that moved in _______ motion. A. reverse B. indirect C. parallel D. convex 4. Who was the virtuoso violinist that had a profound influence on Franz Liszt? A. Giuseppe Verdi B.

*asked on January 12, 2009* -
## math

Yuri has a board that is 98 in. long. He wishes to cut the board into two pieces so that one piece will be 10 in. longer than the other. What should the length of each be Let the shorter board's length be x. The other will be x+10. x + x + 10 = 98 2x = 88

*asked on March 17, 2007* -
## Math

Mr. Wood went to the stores to buy school supplies for his children. He spent half of his money plus $5 at Store A. He then spent half of his remaining money plus $10 at Store B. At the end he had $25 left. How much money did Mr. Wood start with?

*asked on May 6, 2013* -
## English

Aboard at a ship’s helm, A young steersman steering with care. Through fog on a sea-coast dolefully ringing, An ocean-bell—O a warning bell, rock’d by the waves. O you give good notice indeed, you bell by the sea-reefs ringing, Ringing, ringing, to

*asked on March 11, 2013* -
## statistics

If a bag contains a set of 20 red balls, 10 green balls, and 15 black balls, then what is the possiblity of selecting (in this order) a red ball, a green ball, and a red ball. Without Replacement of the items selected. Can you explain how you get the

*asked on September 12, 2012* -
## Chemistry 20

Sorry, the 1st part to those 2 questions are: Hard water contains metal ions, most commonly calcium and magnesium ions. Some moderately hard water is found to contain 200ppm of calcium hydrogen carbonate.

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

If you throw a rock as far as you can from the ground level of a building, and from the top level of a building, will it go further horizontally when thrown from the higher level or from the ground level?

*asked on April 4, 2011* -
## chemistry

Which of the following is true for the gas phase reaction shown below? 4NH3(g) + 5O2(g) ¨ 4NO(g) + 6H2O(g), ƒ¢H = -0.905 kJ

*asked on March 15, 2011* -
## Geometry

Determine which set of numbers can be the lengths of the sides of a triangle. a. 13, 10, 16 b. 1, 2, 3 c. 5.2, 11, 4.9 d. 208, 9, 219 I believe the answer is a. 13, 10, 16. Is this right?

*asked on February 9, 2011* -
## social studies

Characterize the united states culture according to the five categories of value orientation theory:man-nature,activity, time,human nature, relational. What is your view on Us culture. I am reading a book about the US cultures. I just wanted to hear or

*asked on March 30, 2007* -
## statistics

The frequency of color blindness in the Caucasian American male population is about 8%. If a random sample of 125 individuals is chosen from this population, what is the probability that 5-10 individuals in the sample are color blind?

*asked on March 21, 2013* -
## Basic Algebra

A new cruise ship line has just launched 3 new ships: the Pacific, the Caribbean, and the Mediterranean. The Caribbean has 15 more deluxe staterooms than the Pacific. The Mediterranean has 26 fewer deluxe staterooms than four times the number of deluxe

*asked on July 15, 2012* -
## chem

ok my professor lost me when explaining this material so please bare with me and help me step by step one of the questions is: after absorbing 1850J of energy as heat, the temperature of a .500-kg block of copper is 37C what was its initial temperature

*asked on October 12, 2011* -
## Algebra: x and y intercept, someone check please

1. Find the x-intercept and the y-intercept of 8x - 2y = -24. a. x = -7, y = 2 b. x = -4, y = 14 c. x = -3, y = 12 d. x = 7, y = -2 answer: d 2. Find the x- and y- intercept of the line 2x + 3y = -18. a. x-intercept is 18, y-intercept is 18. b. x-intercept

*asked on May 16, 2011* -
## Chemistry(HELP)

Can you check this answer? 1. Heat of combustion is the heat released by the complete combustion of one mole of a substance. a.) True b.) False Answer: b.) False Is this right?

*asked on April 5, 2011* -
## Chem: Two questions

Identify the two types of reactions: 1. A+B--> Answer: Synthesis Reaction 2. A+BC-->AC+B Answer: Single Replacement or Substitution Reaction THANK YOU !

*asked on April 2, 2011* -
## Chemistry: Check please, these are hw assignments

1. Gases can be considered fluids. a.) True b.) False Answer: False 2.Gases are not easily compressed. a.) True b.) False Answer: True 3. Gases spread to fill out space. a.) True b.) False Answer: True 4. Increased pressure on a gas at constant temperature

*asked on April 2, 2011* -
## American Government: HELP

I already did my part and got two other peoples opinions. Could you just give me one more opinion on this matter? Answer the following questions based on your knowledge of civil law and the above scenario. The answer for each question should be at least

*asked on February 24, 2011* -
## College Algebra

Maximize the objective function C = 4x + 5y with the constraints x + y 5, x + 2y 6, x 0, y 0. Your constraints don't make sense. They need to be equations. Are you leaving out "=" signs? If x=0 and y=0, there no variables and you can't maximize C

*asked on July 26, 2007* -
## math

The cost of a long-distance telephone call is $.36 for the first minute and $.21 for each additional minute or portion thereof. Write an inequality representing the number of minutes a person could talk without exceeding $3. cost= .36 + .21(m-1) then put

*asked on March 19, 2007* -
## probability

Brenda’s Bike Booth, at the mall, allows people to order a bike in their choice of 4 colors (Atomic Tangerine, Banana, Café Noir, or Dollar Bill) and the options of with or without a basket; with or without a horn. Given all of these options, what’s

*asked on November 3, 2016* -
## Math

An employee has an annual salary of $26965. After he arranges to have deducted from his salary 12% for the purchase of bonds 17% for federal witholding tax and 3% for a retirement fund what is the amount of his monthly check

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

A Competitive Coup in the In-Flight Magazine. When the manager for market intelligence of AutoCorp, a major automotive manufacturer, boarded the plane in Chicago, her mind was on shrinking market share and late product announcements. As she settled back to

*asked on April 29, 2013* -
## phsyics

A 975-kg car accelerates. The magnitude of the average net force acting on the car is 3478 N, what is the acceleration of the car?

*asked on December 15, 2011* -
## Chemistry

if you add 0.056 moles of HC2H3O2 to 0.064 moles of NH3, how many moles of each are actually neutralized?

*asked on November 7, 2011* -
## College

borrowed $42,400 for 5 years interest rate 2.5%

*asked on October 30, 2011* -
## Math

( 7-(-9)4 - (35 divide 7)4

*asked on July 26, 2011* -
## Strayer University

a dog-food company makes a special kind of dog food. It consists of 10% meat powder and 90% grain. The meat powder cost 80 cents per pound. The grain costs 70 cents per pound. What is the cost of the new materials per pound of dog food?

*asked on July 21, 2011* -
## Algebra: Check please!!!

1. Find the x-intercept and the y-intercept of 8x - 2y = -24. a. x= -7, y= 2 b. x= -4, y= 14 c. x= -3, y= 12 d. x= -7, y= -2 answer: a 2. Find the x- and y- intercept of the line 2x + 3y = -18. a. x-intercept is 18, y-intercept is 18 b. x-intercept is -6,

*asked on May 13, 2011* -
## college math 120

If a high schol base ball player average pitching speed is 50 ft. in .63 sec. and the average pitch drops 9 mph over 10 ft. What is the player's pitching speed in 50 ft. equivalence(rounded to the tenth).

*asked on April 12, 2011* -
## Geometry

I have to do this web quest table and i just want to make sure that i did this right. please help check this for me! I did this in excel so i marked the questions with my answers with different symbols. it is a little confusing. Probability of 2 randomly

*asked on February 2, 2011* -
## Math

Please explain why a positive number minus a negative number equals positive and you add it together??? Makes no sense at all. ex 10-(-3)=13

*asked on September 14, 2010* -
## Math

Area of a painting. A rectangular painting with a width of x centimeters has an area of x2 + 50x square centimeters. Find a binomial that represents the length.

*asked on September 10, 2010* -
## Accounting

Proprietorship, partnership or corporation, Why would an entrepreneur want to choose one over the other?

*asked on January 31, 2010* -
## algebra

Suppose the number of new homes built ,H, in a city over a period of time , t, is graphed on a retangular coordinate system where time is on a horizontal axis. Suppose that the number of new homes built can be modeled by an exponential funtion, H=p*a^t

*asked on September 28, 2008* -
## business and finance

The cost of producing a number of items x is given by C=mx+b, inwhich b is the fixed cost and m is the variable cost (the cost of producing one more item). (a) If the fixed cost is $40 and the variable cost is $10, write the cost equation. Could someone

*asked on March 29, 2007* -
## math

Ted must have an average of 70 or more in his summer course to obtain a grade of C. His first three test grades were 75, 63,and 68. Write an inequality representing the score that Ted must get on the last test to get a C grade. Let X be the grade on the

*asked on March 19, 2007*