# Posts by cheryl

Total # Posts: 313

**Physics**

p = mv Scenario #4 At a station ,a train weighs approximately 1000kg and is moving at 50m/s on a railway and collides with an incoming train weighing 1000kg and moving at -20m/s. 1)If these two trains stick together and begin to move after having being collided with one ...

**reading and preschoolers**

Beginning readers' past experiences with ____ is believed to be necessary for children to acquire reading skill.

**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 the ...

**Algebra 2**

Hello! I was wondering if someone could tell me if the solution to this problem is identity or no solution. The problem is 4n+5=6r+7 and I think the solution is n=3/2r+1/2 is it an identity or no solution? Thank you so very much for your help!

**labor**

in regards to Health Care Bargaining and the PPACA

**labor**

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

**trigonometry**

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

**Maths**

How can work out the IQR with listed Upper bound and Lower Bound Outliers?

**Math**

24664.65(1+.105)^4-24664.65=12107.93 note the interest rate is 10.5% did I do this correctly

**Math**

How much interest would be earned on $24,664.64 if the owner invest the full amount into an annuity in a regular compounded -interest account with the term of 4 years .

**math**

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

**MAth**

159.99/179.99=0.89/100=89%

**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

**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

**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?

**c++ programming**

There are three seating categories at a stadium. For a softball game, Class A seats cost $15, Class B seats cost $12, and Class C seats cost $9. Write a program that asks how many tickets for each class of seats were sold, then displays the amount of income generated from ...

**math**

a theater sold 404 tickets for a total of $1708. Children tickets are $3.50 and adult tickets are $5.50. How many adult tickets were sold

**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

**william dick**

If nuts are $6lb how much 1 3/4

**math**

I don't know how to write these 2 sentences. One number is twice another number. Twice the lesser number increased by three times the greater number is 75

**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 Bowling Alley has a...

**Consumer Math**

Thank you very much!

**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 income of $29,520 last ...

**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, but it built a ...

**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 population mean.

**chemistry**

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

**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

**Math**

Finding the critical value(s) of x^2, and use a x^2 distribution table to find the limits containing the P-value. Determine whether there is sufficient evidence to support the given alternative hypothesis. Test Ho:theta=2.63,Versus H1:theta does not equal2.62, given that theta...

**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.

**Geometry Honors**

You and your friend each draw 3 points. Your points lie in only 1 plane, but your friend's 3 points lie in more than one plane. Explain how this is possible.

**algebra**

how to solve this question? to print 6000 post cards suppose it costs 2 cents to print a large postcard and 1 cent to print a small postcard. If $97 dolllars is allocated for printing the postcards how many of each type can be printed

**Math**

How many square yards are in a room that measures 14 feet by 11.6 feet

**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?

**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?

**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

**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 enjoy the remains of...

**economics**

Calculate the percentage return on the security if the payoff to the security in one year is $1,000, ... security in one year is $1,000, $1,500, $2,000, or $2,500.

**English Comp I**

What would be a good thesis statement for a proposal essay

**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?

**English**

Thank you so much (:

**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 warn the ship...

**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?

**financial acct**

Crowns issed 40,000 shares of $5 par value common stock for $14 per share. Prepare journal entries using a chart of acct.

**science**

when the beaker of water is heated what will happen to the level of water in the tube. this thermometer would be no use to measure the temperature in the freezer.write 2 sentences to explain why

**science**

what science word can be formed using these letters ECREFENINE?

**Math**

What is the weight or volume of solute in 5.5% NaOH solution?

**finite math**

for the previous ? it as to be set up in five steps I just can't figure out how to set it up to get the answers

**finite math**

A company installs different POS computer systems. POS system A requires two hours to configure and one hour for assemble. POS B requires three hours to configure and one hour to assemble. POS C requires two hours to configure and two hours to assemble. The company has up to ...

**finite math**

A company installs different POS computer systems. POS system A requires two hours to configure and one hour for assemble. POS B requires three hours to configure and one hour to assemble. POS C requires two hours to configure and two hours to assemble. The company has up to ...

**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 answer? Thank you

**Algebra**

15 less than x divded by 9

**science**

need examples of solutions and suspensions

**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 staterooms on the ...

**arithmetic**

what is 4.2% of $24,000?

**history**

•Review “Origins of the Cold War” in Ch. 27 of American History and summarize the revisionist and post-revisionist interpretations of the Cold War. Does our interpretation of history ever change

**history**

•Do you think that the Korean War was merely a civil war in which the United States supported one side, or should it be considered an international war in which the United States used the United Nations to further its anticommunist policies? Why?

**Math**

what is (7.21-3.13)4th power divided by 0.6-0.4?

**chemistry**

If 48.3 g of an unknown gas occupies 10.0 L at 40 degrees celsius and 3.10 atm, what is the molar mass of the gas?

**pre-algebra 2**

no the answer is 17.75

**Science**

1. Which of the following is an example of energy transfer from the sun to a producer and then to a consumer? a. sun warms rocks; squirrels climb over rocks; squirrels are eaten by other animals b. sunlight helps plants to grow and deer eat plants c. sun heats pond water; fish...

**computer science**

myprogramming lab- the bane of my existance- code works in c++ but not in myprogramminglab so I wondered if I was missing something in the question

**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, each of type ...

**Math**

lol, plug 5x-2 into the second equation 6x + 3(5x-2) = 15 solve for x

**algebra**

sure you wrote that right?

**ALGEBRA**

well you didn't list the choices so I'm going to say isolating x or y would be your first step.

**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 emp of 30 of these ...

**computer science**

after the due date my teacher told me what was wrong with it apparently the entire problem was the .txt which I erroneously thought you had to have, ty for your help

**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 new array. ...

**math**

n = 17 N= (17*2) - 17

**computer science**

those are 2 different codes above, I wrote them that way because what you wrote was similar to what I had before but myprogramminglab does not like it. Still does not like it. thank you though I think i give up, at least on this one.

**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 *arr1[26]={'A','B','...

**Algebra**

What's the question

**computer science**

lol I've had so many codes for this problem. int *arr1[26]={'A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P','Q','R&#...

**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).

**algebra**

f(x) is the same thing as y so if you put y = 2x, and x = -1 that would make y = ?

**computer science**

whole problem, whole program sorry... 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 ...

**computer science**

K I have gotten it to work in visual c++ by getting rid of the inner loop but it doesn't work on myprogramminglab so I don't know what else to do. The problem was extensive as well as the entire program, it works up until this function.

**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 <= 0; index--) arr2[count] = arr2[index]; } return arr2; } I need...

**English**

animals should not - instead of no animal should 1st line. ; after cruelty your first paragraph - you want to state what your arguments are without examples closing paragraph needs to be split between your other paragraphs, your closing argument should be a summation of your ...

**Algebra; HELP PLEASE.**

2x3=6

**mortgage rates**

what would the monthly payment be on a $115,000 home with a 4.4 percent annual interest?

**Presentation**

After completing the Unit 4 Live Presentation, discuss each of the following topics in a 3 – 4 paragraph essay: Discuss at least two specific aspects of delivering the Unit 4 Live Presentation that were easier than you thought they would be. Explain the reasons why you ...

**science**

how to draw a delivery device for golf balls

**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 benefit of the relationship...

**Environmental Science**

Thank you so much

**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 compilation of a list of ...

**Math**

How do you solve 2t - 4t to the 2nd power? 2t-4t to the 2nd power Identify the greatest common factor Factor this expression

**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?

**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?

**math**

What is the scientific notation of 200,400

**math word problem**

The area of a square garden is 324 square yards find the amount of material needed to fence the garden

**Math**

Thanks but I still don't understand. can someone do a sample for me, thanks

**Math**

$10000 x 10% x (90/365) don't know what to do with the number in the brackets

**math**

what is the concentration of a sugar solution that contains 8g sugar dissolved in 500 ml water? answer in the form of a ratio

**science**

what is the concentration of a sugar solution that contains 8 g sugar dissolved in 500 ml of water? explain in ration form

**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 a year. The following...

**STATISTICS**

Pure Plastics Inc. manufacture molded plastic pieces. A sample of their raw material inventory is shown in the table below: Item Average Inventory (units) Value ($/unit) 128 400 3.75 234 300 4.00 233 120 2.50 236 75 1.50 239 60 1.75 240 30 2.00 678 20 1.15 784 12 2.05 821 8 1....

**math**

8-5x<2x-20

**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 a year. The following...