# Posts by ann

Total # Posts: 1,522

Physics
A student walking home at a steady rate of 4.80 m/s suddenly decides to start running. She can accelerate at 7.50 m/s22, and runs for 1.70 s before stopping. What distance did the student cover while running?

Accounting
In its first month of operation, Kuhlman Company purchased 130 units of inventory for \$6, then 230 units for \$7, and finally 170 units for \$8. At the end of the month, 200 units remained. Compute the amount of phantom profit that would result if the company used FIFO rather ...

Social psychology
confirmation Bias : How might people protect against the confirmation bias? need 1 strategy

math
Eliza borriws 25,000 and agrees to cancel her debt by paying equal sums at the.end of each month for 1 year. Find her monthly payment if interest is 6% compounded monthly.

Math
Where do I put parentheses to make this true: 12-8-2•2^4=35

trigonometry
Find an exact value for csc 11pi/12 How do I do this? I change it to 1/(sin 11pi/12) but then I'm stuck what to do.. Thanks

Math
Consider the equation log(b,a^2)=c a) What are all possible values of a? Explain. b) What are all possible values of c? Explain. c) If −1 ≤ a ≤ 1 and b > 1 what can you conclude about all possible value of c? Explain. Hi, I don't even understand what ...

math
Peter received a six month post dated check for Php 100,000.00.(The check can only be cashed after six months.) He offers it to his friend for Php 92,000.00. His friend's money is presently earning 10% compouunded monthly. If there is 20% withholdingtax on interest, which ...

Math
How many 2 digit numbers can you make using 1 and 2,if the digits can be repeated?

Art and creative development for young children
During periods of stress or change which traits can families model for their children to support creativity

Chemistry
100 g of water is added into 10.6 m NaOH solution. The diluted NaOH solution is then neutralized completely with H2SO4 solution. Density of NaOH is 1.08 g/ml. Calculate: i. the mol fraction of NaOH in the diluted NaOH solution. ii. mol of H2SO4 required.

finance
Dharma Supply has earnings before interest and taxes (EBIT) of \$591,000, interest expenses of \$255,000 and faces a corporate tax rate of 36 percent. a. What is Dharma Supply's Net Income? b. what would dharmas net income be if it didn't have any debt? c. what are the ...

N.H.H
Theresa has \$26 in her wallet. The bills are worth either \$5 or \$1. If there are 14 bills total, how many does she have of each type?

working with children with disabilities
A teacher wants to know why Ben , a preschooler,wake up every morning at about 3.00 and refuses to go back to sleep .the teacher should.

Algebra 2
Thank you ^^

Algebra 2
So the problem is asking to find cos(α+β) The problem gives me sinα= 12/13, 0<α<π/2 cosβ= 21/29, 0<β<π/2 The answer is -135/377 I have no idea how to start solving to find that answer.

Algebra 2
Ohhh that makes a lot of sense, thank you!

Algebra 2
How does tan^4x-sec^4x equal -2tan^2x-1 If someone could please explain to me then that would be awesome. Thank you ^^

Chemistry
For the following chemical reaction HCN(aq)+KOH(aq)--->H2O(l)+KCN(aq) Write the net ionic equation, including the phases.

FIN3373
ST. Luke's Convalescent Center has \$200,000 in surplus funds that it wishes to invest in marketable securities. If transaction costs to buy and sell the securities are \$2,200 and the securities will be held for three months, what required annual yield must be earned before...

Math
Write the exponential function y=6(1.21)t in the form y=aekt. (a) Once you have rewritten the formula, give k accurate to at least four decimal places. k= help (numbers) If t is measured in years, indicate whether the exponential function is growing or decaying and find the ...

math
A baker buys some eggs at 18k each. He finds out that 8 of them are broken,he sells the rest at 24k each and makes a profit of #2.88. How many eggs did he buy?

chemistry
At 1500 °C, Kc = 5.67 for the reaction CH4(g) + H2O(g) CO(g) + 3H2(g) Calculated value of ΔG°1773 for the reaction at this temperature.

math
How do you verify tanxcosx/sqrt1-cos^2x = 1?

Social Studies
Okay.

Social Studies
Are those correct? My changed answers for 1, 3, and 4?

Social Studies
My changed answers... 1) B 3) A 4) B

Social Studies
1) How was South Carolina constitution of 1868 different from previous state constitutions? A. Women lost their right to own property. ** B. Representation was based on population alone. C. Countries and districts were organized into parishes. D.Education became the ...

Math
11

math
a 25 pound bundle of assorted meat cost \$459.00 figures out to how much per pound?

Algebra
The focal length of the lens of the camera is 1/4 meter, and Sarah is 1/2 meter from the camera lens. What is the distance of the image from the lens?

Math
13,000 - 5200 = 7800 7800 / 4 = 1950 1950 / 12 = 162.50 Plan B

Physics
A quarterback throws a football at 38 m/s at a certain angle above the horizontal. If it took the ball 6.41 s to reach the top of its path, how long was it in the air? * I want to say that the formula you use is distance. But im not sure. O r manybe even find out what ...

physics
a ball rolls off the edge of a horizontal at 10m/s, what is the speed of the ball 2s later?

Finance Management
Duncombe village golf course is considering the purchase of new equipment that will cost \$1,200,000 if purchase today and will generate the following cash disbursements and receipts. should Duncombe pursue the investment if the cost of capital is 8 percent? Why? Please label ...

english pt.2
I acquired a strong foundation of writing skills, including the ability to write op-eds, proposals, and memos. Throughout my studies I demonstrated the ability to be a team player who enjoys team settings yet maintains efficiency when working alone to conduct research for ...

english
Through my degree in Biology I became experienced with statistical analysis as well as writing literature reviews. Are there any grammar errors in that sentence?

English
1) As a receptionist at the office, I catered to clients' needs and provided administrative support, including drafting reports and archiving data. 2) I believe that my analytical research and writing expertise, laboratory experience, and communication skills make me an ...

Math
A giraffe is 18 feet tall. How tall is the giraffe in inches?explain how you determined your answer.

English Grammar (cover letter)
Thank you!

English Grammar (cover letter)
Revised sentence from an earlier question. Any grammatical errors? My education, communication skills, and international experience in both a study and work capacity prove me a standout candidate for the position.

English Grammar (cover letter)
Anything grammatically wrong with the following sentence? I believe I am a strong candidate due to my communication, research, presentation, and administrative experience. Or should it be communication experience, research experience etc

Physics
Which needs more energy: to heat 5 kg of copper from 20 degrees celcius to 50 degrees celcius or to heat 0.5 kg of water from 20 degrees celcius to 50 degrees celcius?

college
Select the properly punctuated sentence. a. Please let me know; when I may contact you. b. Please let me know, when I may contact you. c. Please let me know when I may contact you.

Math
Drawing a least one king when you draw a card from a standard deck 8 times (replacing the card each time you draw, so there are always 52 cards in the deck) P(at least one king in 8 attempts)= [P(1 king + 2 kings + 3 kings + 4 kings]^8 = 1/52 + 2/52 + 3/52 + 4/52 = 10/52^8 Not...

Geometry
Statement and reasons m ے ABD = ½ m ے ABC

Statistics
A sample of n = 25 scores has a mean of M = 40 and a variance of s2 = 100. If this sample is being used to test a null hypothesis stating that m = 43, then what is the t statistic for the sample

Geometry
2 sides of an equilateral triangle measure (y+10) units and (y^2-2) units. If the perimeter of the triangle is 21 units, what is the value of y? I was trying (y+(y+10) + (y^2-2)=21 got to y^2+2y+-13 and wasn't sure how to proceed. Or should I take a side (y^2-2)*3=21? I ...

math
Chuck has \$6.00 and he spends 1/5 of his money on candy. How much does he have left?

Intermediate Algebra
A parcel delivery service has contracted you to design an open box with square base length x cm and height y cm has a volume of 3600 cubic cm. Find the total surface area in terms of x and y. Also determine the dimension for minimum surface area (round answers correct to two ...

math
mr the is thrice as old as his daughter. The difference between their ages is 36 years old. How old is mr teh's daughter?

Math/solving two-step equatios(distributive proper
Good morning! I am trying to help my nephew who because of seizures when he was younger has a hard time understanding math. I need step-by-step (written in words) on how to do two-step equations (distributive properties). 3(c+5)=12. 5(4d+8)=40. -(2k-11)=7. 3/4(4x+8)=-12 -4(3x-...

Math
Linda inherited an estate worth \$225,000.the attorney told her that they would deduct it from the estate before giving her the money.how much money will Linda receive?

A sentence is a group of words expressing a complete thought and each will begin with a capital letter?trueor false?

thesis
could this be a thesis for this topic When Bullying Turns Deadly: Can It Be Stopped Thesis" Bullying causes many problems in teenager's lives such as stress, depression and suicide

English
In the Narrative of the Life of Frederick Douglass what is the cumulative effect of a periodic sentence, antithesis, and balanced sentence have on the story. Also how does sentence structure help to create the effect.

community psycology
When Bullying Turns Deadly: Can It Be Stopped? Thesis: To me, it was normal because that's what I was used to. This was in an article was wondering if the thesis is good

community psycology
Need an idea on something for a meet that I would be able to attend it all information needs to be on website

Chemistry
A syrup is added to an empty container with a mass of 104.70 g . When 0.140 pint of syrup is added, the total mass of the container and syrup is 150.01 g . (1 qt = 2 pt) 0.140 pint= 66.2 mL 150.01g mass container and syrup 104.70g mass empty container -------- 45.31 mass syrup...

physics
A wooden box is being pulled 10m from its original position along a horizontal surface by constant force of 25N calculate the work done on the box if the force is applied horizontally, and the force makes an angle of 37°.

ethical DILEMMA
nelson Mandela justified in the use of violence to resist the apartheid government of South Africa.Reflect on how early modern ethical thinkers Hobbes, Hume, and Kant might respond to this issue.

maroeconomics
GDP=330 Government spending increases by 30 Investment increases by 10 Net Exports decreases by 15 MPC=.2 What is the new equilibrium GDP?

Differential Equation
Find the area of the triangle with the following vertices (0,2,2), (8,8,-2) and (9,12, 16)

COLLEGE MATH
a manufacture of brand A jeans has daily production costs of C =0.2x^2 -96x+12,095 where C is the total cost in dollars and x is the number of jeans produced. How many jeans should be produced each day in order to minimize costs? what is the minimum daily cost .

.A toy rocket is shot vertically into the air from a launching pad 5 feel above the ground with an initial velocity of 72 feet per second. The height h, in feet, of the rocket above the ground as t seconds after launch is given by the function h(t)=-16t^2+72t+5. How long will ...

algebra

Finance301
Suppose your bank account will be worth \$15,000.00 in one year. The interest rate (Discounted Rate) that the bank pays is 7%. What is the present value of your bank account today? What would the present value of the account be if the discount rate is only 4%?

What is the perimeter of a computer graphic with sides measuring? 2√18, 2√32, 2√50, and 3√12 centimeters The perimeter is _______ centimeters.

algebra
The distance D , in miles to the horizon from an obsever's point of view over water or flat earth is given below , where H is the height of the point of view in feet . if a person whose eyes are 5ft above ground level is standing at the top of hill 45 ft above 'flat&...

Math
Jerome claims he can find the area of the composite shape shown by inscribing it in a rectangle and subtracting. Kelly claims that to find the area you need to use addition. Who is correct? Justify your answer.The picture looks like a 2 sided pointed pencil with 6 sides. The ...

algebra
5+ 3/5 ________ 2- 4/7 simplify

algebra
Thank you Ms, sue

algebra
in a recent year a single person could expect to pay 4160 in income taxes on an adjusted gross income of 26,000. how much more tax should the person expect to pay if her adjusted gross income increased by 4,000 knowing that this would not move her into the higher tax bracket.

algebra
The intensity I of light bulb measured in watts per square meter (w/m^2), varies inversely as the square of the distance d from the light bulb . . suppose I is 45 w/m^2 when the distance is 5 m . find the intensity when the distance from the light bulb is 7 m away

algebra
A private plane traveled from Seattle to the rugged wilderness at a average speed of 176 mph. on the return trip the average speed was 308 mph. if the total traveling time was 5 hours. How far is Seattle to the wilderness? please help

9x3+7x2y+5xy2+7y3 find the product of the polynomials

Chemistry
The two chemical equations with the concentration amounts are as listed on the problem. That's what I was trying to figure out normally I can solve if only given one set of concentrations but I don't have a clue as to what to do now that I am given a mother set

Chemistry
I need help, I don't know how to approach this question The free energy generated by ion movement in the cell is used by the cell to do work. Compute the minimum number of millimoles of sodium that would be needed to pump one millimole of calcium ions if the following ...

Science
Johnny left a glass of milk on his bedside table for a week, and it spoiled. At the end of the week, the glass contained a yellow liquid with lumpy white chunks, and there was a terrible odor. What can be concluded? a) The milk has undergone a physical change. b) The mass of ...

Algebra
Find an angle with a positive measure and an angle negative measure that are coterminal with each angle. 1. 370 degrees 2. -3π /4 3. 5 π/2 pi sign = π

Algebra
A tennis player's swing moves along the path of an arc. If the radius of the arc's circle is 4 feet and the power and the angle of rotation is 100 degrees, what is the length of the arc?

statistics
63% of men consider themselves baseball fans. You randomly select 10 and ask if he consider him self a baseball fan. Find the probability that the number who consider themselves baseball fans is (a) exactly 8, (b) at least (8) less than (8)

Chemistry
a gas is placed in a 3.56L flask at 1.00 atm pressure. If the volume of the flask is reduced by half, what is the new pressure? V-3.56 P-1.00 I don't know what formula to use and how to apply it.

please help!!! 19. Mr. Green teaches band, choir, and math. This year, he has 57 students that take at least one of his classes. He teaches band to 25 students. There are 48 students who take either band or choir or both. There are 9 students who take both math and choir with ...

math
ACTUALLY i don't know if its 17.. I really need help working this out!!

math
19. Mr. Green teaches band, choir, and math. This year, he has 57 students that take at least one of his classes. He teaches band to 25 students. There are 48 students who take either band or choir or both. There are 9 students who take both math and choir with Mr. Green. Use ...

Math
Thank you. sorry to bother you again but I had another problem like this. How do I change something to a percent? if I was using 360 degrees. How would I change a number to a percent so i can create a pie graph

Math
I mean B!!

Math
Thank you so much. I think it's C

Math
Theo made the table below to show the number of middle school students who attented the last football game. if this data were displayed in a circle graph, how many degrees would be in the sector representing the 8th grade Grades 6,7,8 # of students in 6th grade: 375 7th grade...

Health last questions.
thanks so much!!!

Health last questions.
I was confused for a second when you said "immunity is not white blood cells." I meant to say A.. sorry

Health last questions.
Physical lines of defense include A. skin, cielia, and mucous membranes *** B. hair C. nails D. teeth When a doctor feels for lymph nodes, he is checking for A. inflammation *** B. shrinking C. pain D. sensitivity Your body can get antibodies from A. immunizations *** B. being...

health!
Oh it's True. Are my others answers right? Thank you by the way

health!
True or False. Washing your hands can help protect you from dangerous pathogens True True or False. People die from colds each year True True or False. Infectious diseases are caused by organisms or viruses that enter and multiply within the human body. True True or False. ...

Art last question for today.
Thank you.

Art last question for today.
What does a production designer create that is similar to an architects blueprint for construction A. a map to navigate the movie sets B. cartoons that detail each individual scene C. sketches of set designers to guide construction D. architectural drawings for set ...

Art
Oh sorry I was thinking about the props designer and the graphic designer! And I won't post this question again.

Art
Is it B then?.