Questions Asked on
July 17, 2011

scholarship essay
This is for a scholarship the topic is "Why do you deserve to win this scholarship?" I am hoping that someone can proofread this and also give any tips for improvement. In addition, the essay has to be under 250 words. I believe that I deserve this
asked by Angelina 
Statistics
Construct the probability distribution for the value of a 2card hand dealt from a standard deck of 52 cards (all face cards have a value of 10 and an ace has a value of 11). a) What is the probability of being dealt a hand that adds up to 21? b) What is
asked by Starr 
geometry
If a translation maps point (3, 2) to (4, 5); or T: (3, 2) (4, 5), then what is the image of the point (0, 0)?
asked by katie 6 
Physics
A 2000 {\rm kg} car traveling at a speed of 13 {\rm m/s} skids to a halt on wet concrete where mu_k = 0.50. How long are the skid marks? I tried doing this many times and each answer is wrong. Can someone help?
asked by falcon306 
phy
A majorleague catcher gloves a 92 mi/h pitch and brings it to rest in 0.15 m. 1If the force exerted by the catcher is 803 N, what is the mass of the ball?
asked by pop 
Physics
An antenna loosens and becomes detached from a satellite in circular orbit around the earth. Describe the antenna's subsequent motion. If it will land on earth, describe where: if not, describe hw it would be made to land on earth.
asked by Capreeca 
problem
Benzene has a heat of vaporization of 30.72 kj/mol and a normal boiling point of 80.1. At what temperature does benzene boil when the external pressure is 480 torr?
asked by Anonymous 
Physics
How much force does an 88 kg astronaut exert on his chair while sitting at rest on the launch pad? Answer: 860N Now the question: How much force does the astronaut exert on his chair while accelerating straight up at 14 m/s^2? What do you do first, how do
asked by falcon306 
Physics
An antenna loosens and becomes detached from a satellite in circular orbit around the earth. Describe the antenna's subsequent motion. If it will land on earth, describe where: if not, describe hw it would be made to land on earth.
asked by Capreeca 
Physics
A baseball is tossed at a steep angle into the air and makes a smooth parabolic path. Its time in the air is t and it reaches a maximum height h. Assume that air resistance is negligible. a. Show that the height reached by the ball is gt^2/8. b. If the
asked by Allen 
poetry
analysing night waitress poem by Lunda Hull. not fully understanding it.
asked by Sarah 
biology: genetics
In Drosophila melanogaster, cut wings (ct) is recessive to normal wings (ct+), sable body (s) is recessive to gray body (s+), and vermilion eyes (v) is recessive to red eyes (v+). All three recessive mutations are X linked. A female fly with cut wings,
asked by Candice 
thermodynamic
A rigid vessel of 1m^3 contains steam at 20 bar and 400 degree C. the vessel is cooled until the steam is just dry saturated. Calculate the mass of steam in the vessel.
asked by Amber 
Operation Management
Analysis of the output of a process has suggested that the variability is nonrandom on several occasions recently. However, each time an investigation has not revealed any assignable causes. What are some of the possible explanations for not finding any
asked by Butch 
physics
Find the magnitude and direction of the net electrostatic force exerted on the point charge q3 in the figure below, where q = +2.5 μC and d = 28 cm. The picture is of a square. q1=+q, q2=2q, q3=3q, q4=4
asked by Chloe 
math
Suburban Population. The following charts show the populations for two suburbs from 1980 to 1990, where x = 0 correspond to 1980, x = 2 correspond to 1982, and so on. Year x Suburb 1 y Year x Suburb 2 y 0 12,690 0 23,112 2 12,071 2 23,893 4 13,463 4 24,674
asked by grace 
poetry
how is her background significant to her sense of identity in the poem night waitress by Lynda Hull
asked by Sarah 
physics
Find the magnitude and direction of the net electrostatic force exerted on the point charge q3 in the figure below, where q = +2.5 μC and d = 28 cm. The picture is of a square. q1=+q, q2=2q, q3=3q, q4=4
asked by Chloe 
physics
A loudspeaker of mass 24.0 {\rm kg} is suspended a distance of h = 2.20 {\rm m} below the ceiling by two cables that make equal angles with the ceiling. Each cable has a length of l = 3.30 {\rm m}. What is the tension T in each of the cables? Use 9.80 {\rm
asked by falcon306 
algebra
Write the equation of the line satisfying the given condition. Perpendicular to y = 4x + 2 and passing through the point (0, 4) (Hint: Slopes of nonvertical perpendicular lines are negative reciprocal of each other.)
asked by grace 
algebra
TGIF. Chris and Terry have been trying to live within their budget but miss going out to dinner on Friday nights. They decide not to spend any nickels or quarters they receive as change for a month and save these in a jar. At the end of the second week
asked by grace 
Geometry
Triangles ABF and EDG are congruent. Triangles ABF and GCF are equilateral. AG = 24 and CG = 1/5 AB. What is the total distance from A to B to C to D to E?? Please I don't understand this
asked by Lydia 
math
A transformation T : (x, y) (x + 3, y + 1). The image of B(4, 1) is
asked by leah 
Chemistry
No its not a typo but I did put the wrong activation energy. Its suppose to be a certain reaction has an activation energy of 37.70kj/mol. At what kelvin temperature will the reaction proceed 3.00 times then it did at 303k? I was working the problem and
asked by Josh 
Chemistry
To prepare a 400 mL solution of .7500 M NaC2H3O2, how many grams of NaC2H3O2 would be needed? I am wondering if I set this up, I got an answer of .0435 g NaC2H3O2. But i'm not sure if that is right? Is that the correct answer?
asked by becs 
physics
A physical science student adds 500g of 0 degree C ice to 500g of 80 degree C coffee. What is the final temperature of the drink after thermal equilibrium is reached? How much of the ice was melted by the process? Assume coffee has same specific heat as
asked by Heat 
phy
A force of magnitude 7.50 N pushes three boxes with masses m_1 = 1.30 kg,m_2 = 3.20 kg, and m_3 = 4.90 kg .The mass is side by side. 1Find the magnitude of the contact force between boxes 1 and 2, and 2Find the magnitude of the contact force between
asked by lily 
Physics
A 1300 kg car is traveling along a straight road at 20 m/s. Two seconds later its speed is 24 m/s. What is the magnitude of the net force acting on the car during this time? I don't know what equation to use, and I keep getting stuck
asked by falcon306 
english
what would be a great topic for an argumentive essay
asked by molly07 
math
An artifact was found and tested for its carbon14 content. If 88% of the original carbon14 was still present, what is its probable age (to the nearest 100 years)? Use that carbon14 has a halflife of 5,730 years.
asked by Anonymous 
Chemistry
A line in the Lyman series of the hydrogen atom emission results from the transition of an electron from the n=3 level to the ground state level. a) What n level (#) is the ground state level for the hydrogen atom? b) What is the energy of this photon in
asked by Ashley 
math
A transformation T: (x, y) (x + 3, y + 1). For the ordered pair (4, 3), enter its preimage point.
asked by mattie 
Chemistry
4Al + 3O2 = 2Al2O3. If 41.5 g aluminum and 69.0 g oxygen undergo a reaction that has a 67.0% yield, What mass of aluminum oxide forms. Please help by showing steps to find answers. Thanks
asked by Pamela 
Physics
Two blocks are stacked one on top of the other. The coefficient of friction between the two blocks is 0.20, and the coefficient of friction between the bottom block and the floor is 0.10. What is the max force you can apple to the bottom block such that
asked by Capreeca 
math
Here are my attempts. Let me know if they are correct please> :) Thanks Question (Find quotient): 9a^225b^2/3a5b My answer: 3a+5b Find Quotient: y^4+3y5/y^2+7 My answer: y^4+3y15/y^2+7 y^2+3y+8 Find Quotient: This one i am confused on the ^the power
asked by Mary Anna 
Physics
A rock thrown from a bridge hits the water below at a horizontal distance x directly below the throwing point. The rock travels a smooth parabolic path in time t. a. Show that the virtical distance of the bridge above water is 1/2gt^2. b. What is the
asked by Allen 
self reflective essay
I want to know can I write about myself in a self reflective essay ,,here is my thesis statement do you think it is ok? In this paper I will argue the life of a child being born in a divorced family was it easier or was it very hard?
asked by Sabrina 
Business
I have just started business classes but I also own a business. I was wondering if anyone has any insight to how I would know if online coupons may help or break my business?
asked by Jim 
Physics
During the war in iraq, the us military was extremely successful at detecting and striking enemy targets. many news correspondants suggested the coalition forces had a spy satellite at an altitude of only a few hundred kilometers permanently positioned 34
asked by Capreeca 
Math/Algebra
The length of Karen's living room is 2ft longer than the width. The perimeter is 80ft. Find the length and the width. Can someone please explain to me how you find the answers? Thanks a ton!
asked by Hannah 
poetry
how is her background significant to her sense of identity, in the poem night waitress by Lynda Hull
asked by Sarah 
phy
A majorleague catcher gloves a 92 mi/h pitch and brings it to rest in 0.15 m. 1If the force exerted by the catcher is 803 N, what is the mass of the ball?
asked by lily 
Chemistry
What is the concentration of NaNO2 if 2.13g of N2O3 is added to excess NaOH and the resulting solution is diluted to a total volume of 500.0 mL?
asked by larry 
Physics
Question: When a balloon is rubbed with fur, it becomes negatively charged. Explain why?
asked by Tina 
Geometry
Triangles ABF and EDG are congruent. Triangles ABF and GCF are equilateral. AG = 24 and CG = 1/5 AB. What is the total distance from A to B to C to D to E?? Please I don't understand this
asked by lisa 
Economics
What is the effect on the price of hotdogs and the quantity of hotdogs sold if: a.) The price of a hamburger rises? b.) The price of a hotdog bun rises? c.) The supply of hotdog sausages increases? d.) Consumers' incomes increase if hotdogs are a normal
asked by London 
Physics
A proton is released from rest in a uniform electric field. After the proton has traveled a distance of 10.0 cm, its speed is 1.4 x 106 m/s in the positive x direction. Find the magnitude and direction of the electric field.
asked by Chloe 
algebra
Short answer.Find the product.4x(7x^3+4x^2+8x6)
asked by sheba 
Programing
apparently I was skipped by accident 13.2 A quadratic Julia set has the form z(n+1)=z(n)^2+c The special case where c=.123+.745i is called Douday's rabbit fractal. Follow example 13.1, and create an image using this value of c. For the Madelbrot image, we
asked by Lee 
punctuation
48. “Did the professor say put down your pencils”? Janice asked.
asked by Anonymous 
science
can please someone check my answer. which 2 statements are true A)Morse code, Huffman coding and runlength encoding are all examples of lossy compression. B)Lossless compression uses perceptual compression techniques to ensure that all the data can be
asked by Roger 
Math
The value of a particular stock dropped from $83 in February to $48 in September. Find the rate of change in the value of the stock.
asked by mary 
Math
Prove each of the following identities. a)tan^2x = 1 – cos^2x/cos^2x b)sinx/1 – sin^2x = tanx/cosx
asked by Kate 
Math
Construct a truth table for the statement. (p ↔ q) → p
asked by Jen 
Math
Write the statement in symbolic form. Let p: The tent is pitched q: The bonfire is burning The bonfire is not burning if and only is the tent is pitched.
asked by Jen 
math math
Given the linear equation , find the ycoordinates of the points (6, ), (3, ), and (3, ). Please show all of your work. Plot those points and graph the linear equation.
asked by mary 
math math
Given the linear equation y=2/3x+1, find the ycoordinates of the points (6, ), (3, ), and (3, ). Please show all of your work. Plot those points and graph the linear equation
asked by mary 
anth
What evidence do you see, in the book Dancing Skeletons, of a holistic study?
asked by david 
english
This is the 1st paragraph to my essay: Social awkwardness Ever since I can remember people have always commented on my height, this made me very uncomfortable and awkward about it around my peers. I recall a time when my mother got into an argument with a
asked by lizzie 
physics
A piece of metal has a density of 0.20g/cm^3.what is the volume in cm^3 of a 1g sample of a substance?
asked by Gift 
geometry
the bases of two triangles are the same length. The altitude of the first triangle is 5 cm and the area of the second triangle is 3 times the area of the first. what is the altitude of the second triangle?
asked by justine 
Math
Solve for all possible values of x where O°≤x≤360°. tan x = 1/√3 cos x = 1/2
asked by Kate 
Math
Solve for all possible values of x where O°≤x360°. sin x=2/3. I do not understand these types of questions please answer in as much detail as you can so I can do them myself.
asked by Kate 
Biology
What is the "biological hierarchy"? Is it kingdom, phylum, class, order, family, genus, species? Or is it organelle; cell; tissue; organ; organism; species; community; population; ecosystem; biosphere? Which one is it referring to?
asked by dannytan 
algebra
2x+5y=15 Find the x and yintercepts and graph the equation plotting the intercepts. Please show all of your work.
asked by mary 
math
Write the equation of the line satisfying the given condition. Parallel to y = (2/3)x +1 and passing through the point (0, 3). (Hint: Parallel lines have the same slope
asked by grace 
Biology
In your own words, explain the second law of thermodynamics and explain why it is not violated by living organisms?
asked by Ivy 
Math
Solve for all possible values of x where O°≤x360°. sin x=2/3.
asked by Kate 
algebra
x^3+216
asked by Laura 
Chemistry
The Managing Director of a wellknown company on Wall Street thrives on a diet of fruit jam, bread, pasta, and coffee. She exercises intermittently. One day she decides to go to her primary healthcare provider for a routine checkup. The healthcare provider
asked by mema 
algebra II logarithms
f(x)=log4 (x)+3 how could i get this so i could graph it?
asked by jay 
algebra II
use the properties of logarithms for the expression. 5^log5(7x)
asked by jay 
trig
Find the exact value of the trigonometic function at the given real number of cot(5pi/3)
asked by Anonymous 
Accounting
purchased dental equipment at 15,000 and invested cash of 500,000
asked by leah 
math
The halflife of 234U, uranium234, is 2.52 multiplied by 105 yr. If 97.7% of the uranium in the original sample is present, what length of time (to the nearest thousand years) has elapsed?
asked by Anonymous 
Math  Calculus
Find the equation of the nonvertical asymptote. What is the smallest value of x at which f(x) intersects its? 6x^3 + 2x^2  9x +3 / 5x^2 +9x  4 1)Find the equation of the nonvertical asymptote. 2)What is the smallest value of x at which f(x)
asked by Jacob 
intermediate algebra
Short answer. Find the product. 4x(7x^3+4x^2+8x6)
asked by sheba 
math 209
The perimeter of a rectangle is 44ft the length is 4ft longer than the width. Find the demensions. Write a system of linear equations and solve the resulting system. Let x be the length and y be the width.
asked by chris 
algebra
Essay; show all work. Find the product: (1/7x^22/5)(1/2x1/2) any help would be appreciated
asked by mike 
math
Given the linear equation , find the ycoordinates of the points (6, ), (3, ), and (3, ). Please show all of your work. Plot those points and graph the linear equation.
asked by mary 
math
Given p is true, q is false, and r is trus, find the truth value of the statement (~p^q)~r. Show step by step work.
asked by Melissa 
Financial and ratio analysis
I am suppose to choose at least five ratios(at least one ratio from each of the five categories and calculate each of the chosen ratios over the past three years using the financial data of Berry's Bug Blasters virtual organization, but it is so confusing
asked by gloria 
chemistry
A student adds .137 grams of nickel(II) hydroxide powder to 10.0 L of distilled water at 25C with vigorous stirring. Did all of the powder dissolve? If not, how much powder remains undissolved? If so, how much more powder can be dissolved before a
asked by Tyler 
medical coding
A condensed summary compiling information about a particular field of knowledge is a a. compendium b. compliance manual c. treatment guidelin d.pharmacopeiae
asked by anna 
Math....please help
Construct a truth table for the statement. (p ↔ q) → p
asked by Jen 
math
Consider that the age, x, of a unicorn in human equivalent years can be given by the formula f(x) =  0.001618x4 + 0.057326x3 – 1.1367x2 + 11.46x + 2.914. When a unicorn is 2.5 years old, what is its age in human equivalent years? What about when it is
asked by tan 
Chem
A line in the hydrogen atomic line spectrum has a wavelength of 486 nm. What is the frequency of this light (in Hz)?
asked by Sam 
geometry
what is the area of parralel ? hieght is 18 and the base is 15 .. reply asap .
asked by mary rose 
managerial economics
Discuss the statistical significance of the parameter estimates aˆ, bˆ, cˆ, and dˆ using the pvalues. Are the signs of bˆ, cˆ and dˆ consistent with the theory of demand?
asked by kim 
chemistry
After you preform your experiment, you determine that the Kf value for naphthalene is 6.9 . You are using 10g of naphthalene and added 1.0 g of your unknown. The the freezing point of the solvent decreased by 4.42 when the unknown was added. Knowing this
asked by hannah 
calculus
Verify the identity cot2 beta/1+csc beta=1sin beta/sin beta.
asked by Josh 
physics
Wrap a cotton wool around a thermometre,will its temperature rise? Explain your answer please
asked by Gift 
math
4% of what = $3,000.00
asked by marilyn 
statistics
Solve the problem. Suppose a random variable x is best described by a normal distribution with μ = 60 and Find the zscore that corresponds to the value x = 69.
asked by tit 
physics
When the depth of water is 5mm,the distance is 5o,5cm,the time taken is 50s what is the overage time?
asked by Nokukhanya 
pure math
2logy=log2+logx
asked by kelvin 
Math
Determine the EXACT values of each of the following: a) sin 240° b) cos 135°
asked by Kate 
math
what is the definition of area of circle formular.
asked by jay 
math
(4y^3 − 5)^2 [4.6] Multiply. Thank you!
asked by Mary Anna 
mechanics
center og gravity of a circle
asked by komal 
Math
male childred born to women who smoke during pregnancy run a risk of violent and criminal behavior that lasts well into adulthood. Can we infer that smoking during pregnancy is responsible for criminal behavior in people?
asked by Kathy 
intermediate algebra
Essay. show all work. Add the following polynomials: (1/5x^21/5x3/4)+(1/10x^21/2x+1/2)
asked by sheba 
algebra
Solve the inequality algebraically. Graph your solution on a number line.
asked by grace 
physics
What is the boiling and freezing points of celsius scale and kelvin
asked by Gift 
math
Translate to an equation: p $25 potted plants and s $20 shrubs total $300 Graph the equation and use the graph to determine three different combinations of potted plants and shrubs that total $300.
asked by mary 
algebra
Essay show all work. Add the following polynomials; (1/5x^21/5x3/4)+(1/10x^21/2x+1/2) I really need help and I am thankful for your time, some tutors just mess with your head and make you more confused,if I did not need you guys I would not be here so
asked by sheba 
math math
Translate to an equation: p $25 potted plants and s $20 shrubs total $300 Graph the equation and use the graph to determine three different combinations of potted plants and shrubs that total $300
asked by mary 
Stats
What zscore corresponds to a raw score of 68.7 when mean=60 and sd=4.3
asked by Ashley 
geometry
A transformation T: (x, y) (x  5, y + 3). The image of A(2, 1) is
asked by janine 
algebra
Determine if (5/6,2) is a solutionto 6x7y=9
asked by Poochie 
math
A school designer wants to create a whiteboard with the optimal dimensions to enhance learning. It is determined that if one side of the whiteboard is x + 5y inches, the other side should be x^2+3xy4y^2 inches. Write an algebraic expression for the area
asked by Mary Anna 
algebra
Translate to an equation p $40 pants and s $20 shirts total $160
asked by Poochie 
math
(4y^3 − 5)^2 [4.6] Multiply.. Thanks :)
asked by Ashley 
Chemistry
How many grams of Ba(OH)2 must be added to 2.37L of water to make a saturated solution? I got 2.03 grams. Is this correct?
asked by Tyler