Questions Asked on
May 11, 2011

Physics HELP!
You are at the controls of a particle accelerator, sending a beam of 3.90×10^7 m/s protons (mass m ) at a gas target of an unknown element. Your detector tells you that some protons bounce straight back after a collision with one of the nuclei of the
asked by Allison 
Chemistry
A 0.1873 g sample of a pure, solid acid, H2X was dissolved in water and titrated with 0.1052 M NaOH solution. The balanced equation for the neutralization reaction occurring is H2X(aq) + 2NaOH(aq) ¨ Na2X(aq) + 2H2O(l) If the molar mass of H2X is 85.00
asked by Lauren 
Physics
A bullet moving with a speed 150 m/s strikes a tree and penetrates 3.5 cm before stopping. Find the magnitude of its acceleration and the time taken to stop.
asked by Addie 
physics
Two point charges +4q and +q are placed 30 cm apart. At what point on the line joining them is the electric field zero? (a) 15 cm from charge 4q (b) 20 cm from charge 4q (c) 7.5 cm from charge q (d) 5 cm from charge q
asked by ashley  HELP PLEASEE!!! 
physical science
If the force moving an object point's at least partially in the opposite direction of the object's motion, the work is considered to be what
asked by Jerrell 
stats
A company with a large fleet of cars found that the emissions systems of 18 out of the 65 randomly selected cars they tested failed to meet pollution control guidelines. Is this strong evidence that more than 20% of the fleet might be out of compliance?
asked by Erica 
Physics
If a projectile has a launching angle of 52 degrees about the horizontal and an initial speed of 18 m/s, what is the highest barrier that the projectile can clear?
asked by Addie 
Chemistry
Given: solubility (g/100g H2O) temp degrees celcius KBR 20 65 40 80 60 90 80 100 100 110 A solution containing 10.5g of KBr in 10g of H2O at 100 degrees celcius is cooled to 40 degrees celcius. A)calculate the g/100g H2O of KBr B)is the solution saturated
asked by Curlyqty 
chemistry
sodium sulfide and cadmium nitrate undergo a double displacement reactions as shown by the following equation Na2S cd(NO3)2 > 2NaNO3 CdS What is the mass, in milligrams,of cadmium sulfide that can be made from 5.00mg of sodium sulfide?
asked by pat mcdole 
physics
juana slides a crate along the floor of the moving van the coefficient of kinetic friction between the crate and van floor is 0.120 the crate has a mass of 56.8 kg and juana pushes with horizontal force of 124 N. if 74.4 J of work are done on crate and the
asked by Mark 
Chemistry
Calculate normality of normal saline at 0.85%?
asked by Mya 
physics
If the pendulum’s length is 2.00 m and ag =9.80 m/s , how many complete oscillations does the pendulum make in 5.00 min? the answer is 106 but how do i find it !!
asked by Anonymous 
Chem
which substance cannot be decomposed by a chemical change? carbon dioxide, methane, carbon monoxide, or carbon
asked by Anonymous 
geomerty
The following triangles, Ä ABC and Ä DEF, are congruent. abc 67.38degree 12cm lenght 22.62degree b5cm,l,13cm Find the lengths of all missing sides and measures of all angles for both triangles. Include correct units with each of your answers. First
asked by kozy 
poetry
what is the meter in the poem "Me"by Walter de la Mare?
asked by maria 
physics
one ball is dropped off a cliff. A second ball is thrown down 1 second later with an initial speen of 40 ft/sec. How long after the second ball is thrown will the second ball overtake the first?.
asked by Eric 
physics
Four charges are placed at the four corners of a square of side 15 cm. The charges on the upper left and right corners are +3 µC and 6 µC respectively. The charges on the lower left and right corners are 2.4 µC and 9 µC respectively. The net
asked by ashley  HELP PLEASEE!!! 
chemistry
CH3OH CO + 2H2 H = +90.7kJ 9. For the forward reaction, is heat being absorbed or released? 10. How much heat would be transferred if 45.0 g of CH3OH is decomposed? 11. What quantity of CH3OH decomposition would lead to an enthalpy change of 18.5 kJ
asked by Anonymous 
CRYSTAL VIOLET HYDROXYLATION REACTION
does anyone have the spartan prelab images/info they'd like to share? :)
asked by theman 
maths
a pendulum 45 cm long swings through a vertical angle of 30 degree.find the height through which the pendulum bob rises.
asked by akeb 
Spanish
Complete each sentence with the correct form of the appropriate verb. Each verb will be used only once. hacer beber escribir compartir vender 1.Tú siempre agua después de correr. 2. Yo siempre la tarea después de las clases. 3. La cafetería unas
asked by Bobby 
physics
Two point charges +4q and +q are placed 30 cm apart. At what point on the line joining them is the electric field zero? (a) 15 cm from charge 4q (b) 20 cm from charge 4q (c) 7.5 cm from charge q (d) 5 cm from charge q
asked by ashley  HELP PLEASEE!!! 
physics
Two electrostatic point charges of +30 μC and +25 μC exert a repulsive force of 200 N on each other. What is the distance between the two charges?
asked by ashley  HELP PLEASEE!!! 
government
the federalist papers were written to what? win support for the constitution in new york expose the lack of civil liberties protected in the constitution urge ratification of the constitution in virginia condemn the constitution for the absence of any
asked by tom 
Chem
The temperature of a sample of water is changed from 10 degree C to 30 degree C. he same change in Kevin degrees would be 1) 20 2) 100 3) 303 4) 273
asked by Anonymous 
p
An explosion breaks a 10 kg object (originally at rest) into two pieces, one of which is two times the mass of the other. If 8000 J is released in the explosion, a) how fast are the pieces moving away from their original location? b)how much kinetic energy
asked by ryan 
Trig
Use a cofunction to write an expression equal to csc(4ð/11). I need help solving this problem. Thank You
asked by Rachal 
Geometry
Find the lateral area and surface area for a right cone whose slant height forms a 45 degree angle with the base whose radius is 8 mm.
asked by Mary 
Identifying patterns
If the pattern of polygons continues, how many sides will polygon 98 have? and there is a picture of polygon 1 which is a 3sided triangle polygon 2 which is is a sqaure polygon 3 which is a 5 sided pentagon. polygon 4 which is a six sided hexagon
asked by Chelsea 
Grammar
Determine if the following sentences employ the correct use of commas and apostrophes.True=correct False=wrong 1. The wound was copiously irrigated with normal saline, and the musosal flap was replaced to its appropriate position. Answer: I think the comma
asked by Leslie 
Grammar
Determine if the following sentences employ the correct use of commas and apostrophes. True=correct False=wrong 1. The child was alert upon awakening, nonetheless we felt a full workup was best at this time. Answer: True Looks good to me  flows nice.
asked by Leslie 
Grammar
Determine if the following sentences employ the correct use of commas and apostrophes. True correct False wrong 1. Child's initial exam shows a furious, robust, fighting infant who is moving his head well. Answer: True
asked by Leslie 
Grammar
Determine if the following sentence employ Correct use of Commas and apostrophes.True=correct False=wrong 1. The child was initially started on ceftriazone, but developed a rash and was therefore changed to chloramphenicol. Answer: TRUE nedd the comma
asked by Leslie 
Chemistry
A 1.00 L sample of a pure gas weighs 0.785 g and is at 733.4 torr and 29.2 degree celcius. a) what is the molar mass of the gas? b) if the volume of the temperature are kept constant while 0.400 g of the same gas are added to that already in the container,
asked by Lee 
math
Write a paragraph proof. Given: AC bisects
asked by casper 
Grammar
Determine if the following sentence employ the correct use of commas and apostrophes.TRUE=correct FALSE=wrong 1. The infant's first dextrose stick after delivery was 23; howeveer, the child drank 1 oz of formula, and the repeat dextrose stick 1/2 hour
asked by Leslie 
Grammar
Determine if the following sentences employ the correct use of commas and apostrophes.TRUE=correct FALSE=incorrect 1. After discussing the woman's current diagnosis with the other doctors', it was recommended that the patient undergo a cholecystectomy.
asked by Leslie 
chemistry
CH3OH CO + 2H2 H = +90.7kJ 9. For the forward reaction, is heat being absorbed or released? 10. How much heat would be transferred if 45.0 g of CH3OH is decomposed? 11. What quantity of CH3OH decomposition would lead to an enthalpy change of 18.5 kJ
asked by Anonymous 
Chemistry
Identify the acid or base behavior of each substance in this reaction: H2PO4 + H2O H3O+ + HPO4
asked by Rachael 
Grammar
Determine if the following sentence employ the correct use of commas and apostrophes.TRUE=correct FALSE=wrong 1.The patient is a 41yearold, white female with a severalmonth's history of biliary colic. ANSWER: False Thinking comma after old can be
asked by Leslie 
physics
if you push a book on a table so that its velocity is constant if the force you apply is 15 n what is the force due to sliding friction
asked by herd 
chemistry
Explain the observed temperature change upon mixing ethanol and cyclohexane.
asked by agu 
math
what is 3 equivalent fractions for 36/9
asked by Anonymous 
Grammar
Determine if the following sentence employ the correct use of commas and apostrophes.TRUE=correct False=incorrect Inside of the patient's nose is crusty and clear with bloodtinged discharge; however, the patient has no complaints of breathing problems.
asked by Leslie 
Physics
A convex mirror has a radius of curvature of 36.0 cm. When a 5.60 cm tall object is placed in front of the mirror, the magnification is 0.250. (a) What is the height of the image? (b) How far is the object from the mirror?
asked by Kayleigh 
Chemistry
Calculate the pH of the 0.20 M NH3/0.20 M NH4Cl buffer. What is the pH of the buffer after the addition of 10.0 mL of 0.10 M HCl to 65.0 mL of the buffer?
asked by Kelly 
Precalc
A racetrack is in the shape of an ellipse, 80 feet long and 40 feet wide. What is the width 10 feet from the end?
asked by Deanna 
chemistry
How do you find the molarity(M) of NaOH in this reaction: 2NaOH(aq) + H2C2O4H2O > Na2C2O4(aq) + 2H2O The only given information is 0.2079g of H2C2O42H2O
asked by Holly 
What is a good quote for Romeo and Juliet?
What is a good quote for me to explain that it is important to think before you act? In the play, Romeo and Juliet? Thanks Allyson I was thinking of something between Romeo and Juliet themselves, it would be helpful in my essay. I've already searched
asked by Allyson 
Math
You are allowed to omit two out of 12 questions on a quiz. How many ways can the six students be chosen?
asked by Combinations: URGENT HELP D: 
PreCalc
A hall 200 feet in length is to be designed as an ellipse if the foci are 35 feet from the center. How high will the ceiling be from the center?
asked by Madison 
8th grade math
a basketball player scored 8 pts total during 1st and 2nd quarters of a game. During the 3rd quarter she scored 3 times as many pts as she did in the 4th quarter. Let P = the # of pts the player scored in the 4th quarter. Write and simplify an expression
asked by Kory 
physics
A hollow metal ball carrying an electric charge produces no electric field at a point: is it inside the ball?
asked by ashley  HELP PLEASEE!!! 
Grammar
Determine if the following sentence employ the correct use of commas and apostrophes. True Correct False wrong 1. The girl's mother, a nurse at a local clinic, was called at her work and told of her daughter's injury. Answer: True
asked by Leslie 
Algebra 1 polynomials
Write the polynomial in descending order by the exponents of the x terms 8x^2+45ax^3+6a^2x
asked by Samad 
geometry
I realy need help please!!!! 1Describe the translation in words: (x, y) (x  4, y  9) A)4 units to the left, 9 units down B)4 units to the left, 9 units up C)4 units to the right, 9 units down D)4 units to the right, 9 units up
asked by mo 
Science
what does the statement" the properties of salts are different from the properties of the elements that go into making them" mean ? include an example in your answer
asked by Kateri 
Math
The speedometer of John's truck uses the revolutions of his tires to calculate the speed of the truck. How many revolutions per minute do the tires make when the truck is traveling at 55 miles per hour? (picture with tires with diameter of 26 in.) Suppose
asked by Gabi 
Physics
The space shuttle is in a 150kmhigh circular orbit. It needs to reach a 560kmhigh circular orbit to catch the Hubble Space Telescope for repairs. The shuttle's mass is 7.00×10^4kg. How much energy is required to boost it to the new orbit? In the
asked by Preston 
Chem
2 Ag+(aq) + Fe(s) > 2 Ag(s) + Fe2+(aq) In which directions do the cations and anions migrate through the solution? cations toward the silver cathode or toward the iron cathode thanks
asked by Hannah 
Trig
Let (theta) be an angle in quadrant II such that sec(theta) 4/3 . Find the exact values of cot (theta) and sin (theta).
asked by Johnny 
Chem II
2 NOCl(g) > 2 NO(g) + Cl2(g) Let’s assume that at a given temperature the equilibrium constant is 2.25: Also, the equilibrium concentration of the NOCl is 0.04M. Determine the concentration of the NO and the Cl2 CLUE: the concentration of both of the
asked by Sarah 
math
if a and b are acute angles, sin(a+b)= 56/65, and sin b = 5/13, find sin a
asked by giddy 
physics
A 85 kg rock climber first climbs 50 m up to the top of a quarry, then descends 75 m from the top to the bottom of the quarry. If the initial height is the reference level, find the potential energy of the system (the climber plus Earth) when the climber
asked by Merlin 
geometry
Determine the slant height of a right pyramid whose lateral area is 90 ft^2 and whose base is a regular hexagon with a 3 ft side.
asked by Mary 
biology
Discuss possible benefits and drawbacks of a transgenic organism such as Bt corn?
asked by kelly 
trig
Let be an angle in quadrant II such that sec(theta) 4/3 . Find the exact values of cot (theta) and sin (theta).
asked by Johnny 
chemistry
what is the word equation for aqueous solutions of sodium chloride and silver nitrate are mixed to make an aqueous of sodium nitrate and silver choride solid
asked by des 
Physics
How many moles are there in a 30 cm diameter basketball at a pressure of 160 kpa and temperature of 25 degree celcius.
asked by Fredy 
English
1. Select the letter of the sentence in which the correct pronoun is used. A. Who has the nominated committee selected for club president? B. John Adams was the first president whom lived in the White House. C. Who do you think will be the winner of the
asked by anthony 
math gr.10
Hi! I have been stuck on this problem for the past 20 minutes. Please help! A rectangular garden 30m by 40m has two paths of equal width crossing through as shwon. Find the width of each path if the total area covered by the paths s 325m^2. ()  represents
asked by jamie 
Physical science
I need help with the gas laws (Boyle's, Charle's, GayLussac's & the combined gas law). A sample of 6.00 liters of xenon is collected at 960 mm Hg and 50 degrees Celsius. What is the volume at STP?
asked by Jacqueline 
chemistry urg!
Hydrochloric acid is sold as a concentrated acqueous solution. If the molarity of HCl is 12.0 and its density is 1.18 g/ml. calculate A) MOLALITY B)THE % BY MASS OF HCl in the solution
asked by Daniel Forero 
Physics
juana slides a crate along the floor of the moving van the coefficient of kinetic friction between the crate and van floor is 0.120 the crate has a mass of 56.8 kg and juana pushes with horizontal force of 124 N. if 74.4 J of work are done on crate and the
asked by Mark 
English
1. Select the letter of the sentence in which the correct pronoun is used. A. The trip led to an argument between Helen and I. B. It was we who demanded an apology from the newspaper. C. We appreciated him writing a personal letter to explain his stand on
asked by anthony 
Physics
A round body of mass M, radius R, and moment of inertia I= BMR^2 is rolling without slipping. Its kinetic energy can be decomposed into the energy of its center of mass motion (translation) and the enrgy of rotation about its center of mass. The fractions
asked by Jason 
6th grade grammar
What is the question answer flow for an exclamatory sentence
asked by Michael 
Trig Check my answer Please
Use a cofunction to write an expression equal to csc(4ð/11). Is the answer csc(4ð/11)= 1/sin(4ð/11)
asked by Rachal 
chemistry2
Hydrochloric acid is sold as a concentrated acqueous solution. If the molarity of HCl is 12.0 and its density is 1.18 g/ml. calculate A) MOLALITY B)THE % BY MASS OF HCl in the solution
asked by Daniel Forero 
IPC
i don't have a book or anything to go look all this stuff up so i really need help understanding this.. Which of the following statements is not true? a)negatively charged objects attract other negatively charged objects. b)postively charged objects
asked by Please help!! 
Math
How many cubic centimeters of ice cream can an ice cream cone (within the cone) hold if its height is 7 centimeters and the diameter of its base is 4 centimeters? Give solution accurate to the nearest hundredth. Include correct units with your solution
asked by Geena 
CHEMISTRY (HELP)
Which of the following is true about the reaction between sodium bromide and silver sulfate? 1. No reaction 2. Total ionic equation is identical to the net ionic equation 3. Sodium ions and sulfate ions are present in the toal ionic equation but not in the
asked by Gina 
Probability
1. When two fair dice are tossed, what is the probability of a sum of 4 or a sum of 8? 2. When two fair dice are tossed, what is the probability of doubles or a sum over 9? 3. Evaluate 1025! / 1022! Please help
asked by Hannah 
Programming
I suppose to write a program that calculates the average of up to 50 numbers input by the user and stored in an array. The program should use a class name Statistics and have an AddNumber method that stores numbers into an arrey one at a time. The class
asked by Solomon 
Precalculus
So a computer virus has been created via Corporate email. Let t=0 be the time of the first 100 infections, and at t=17 minutes the population of infected computers grows to 200. Assume the antivirus companies arent able to identify the virus or slow its
asked by Christian 
math
The price per person of renting a boat varies inversely with the number of people renting the boat. It costs $20 per person if 27 people rent the boat. How much will it cost per person if 95 people rent the boat?
asked by Anonymous 
maths
The method for completing the square can be used to write the expression −2x^2 + 12x−5 in the form a(x + b)^2 + c, where a, b and c are constants. Choose the option that gives the value of c. Options A −23 B −13 2 C 5 2 D 3 E 13 F 14
asked by albert 
physics
In the Bohr model of the hydrogen atom, the speed of the electron is approximately 1.97 × 106 m/s. Find the central force acting on the electron as it revolves in a circular orbit of radius 4.72 × 10−11 m. Answer in units of N.
asked by go 
physics
In the Bohr model of the hydrogen atom, the speed of the electron is approximately 1.97 × 106 m/s. Find the central force acting on the electron as it revolves in a circular orbit of radius 4.72 × 10−11 m. Answer in units of N.
asked by go 
Geometry
How do you calculate the lateral area and sueface area of a pyramid whose height is 8ft and whose base is a square with 12 sides.
asked by Mary 
science
determine the weight of an object if its mass is 68kg and the pull of gravity is 9.8 m/s^2. someone please help me an show the work please
asked by spookie 
Physics
A stone is thrown straight up with an initial speed of 80 ft/s. How high does the stone go, and how long does it stay in the air?
asked by Addie 
chemistry
Considering a 1.0M of each solution, which has the greatest osmolarity? 1. FeCl3 2. K2O 3. HCl 4. HC2H3O2
asked by Gina 
Math
My question is: WRite the percent as a fraction and as a decimal. 0.06% I don't know how many places I need to move that decimal to convert this percent into a decimal.
asked by Erika 
Math
Please simplify this expression: 8b + 9 + 4b  3b + (2b)  (5)
asked by Daniel 
Punctuation
Is this correct? Even though it is almost summer, we still have overcast skies and light rain. The neighbors’ new dog is, small, quiet and shy. The oil from Eucalyptus trees, which are native to Australia, is known for its medicinal properties. Paloma
asked by Natasha 
calculus
Please help with this question. I have a general solution to a differential equation of 18y^3/2= TOP LINE OF FRACTION is 2(x^26x+23)^3/2 and this is divided by 3.plus Constant .I work out constant c to be zero. Is this correct? What is the particular
asked by Tony 
TRENDS IN FOOTWEAR BUSINESS
wat r sum trends in foot wear Business? Me no get this question. Trends = ?????
asked by JORDY 
trig
how do you graph y=(1/4)sin(3/4x+pi/8? include the amplitude, period, vertical translation, horizontal shift, and table of values please.
asked by amber 
chemistry
calculate the molarity of a solution prepared by dissolving 5g of sodium hydroxide in water to make 1l of solution
asked by dann mavado 
physics
In the Bohr model of the hydrogen atom, the speed of the electron is approximately 1.97 × 106 m/s. Find the central force acting on the electron as it revolves in a circular orbit of radius 4.72 × 10−11 m. Answer in units of N.
asked by go 
geometry
What is the measure of angle DBC if the measure of angle ABD is represented by 4x, the measure of angle DBC is represented by 3x and the measure of angle ABC is 77 degrees?
asked by jessica 
science
why does tornado alley get so many tornadoes?
asked by tae 
art
how long did it take Da Vinci to paint the mona lisa? when did he start it and finish it? what is the theory about the girl who posed for it? list other professions of leonardo da vinci... please help if you know the answers
asked by Pam 
Calculus
THe demand funtion is modeled by D(q) = 56e^0.000012q, where q is quantity and D(q) is price. What price will yield the maximum revenue? Prove this is a maximum using as qppropriate derivative test.
asked by Janet 
Number sence
What is 23.972.875?
asked by Kamilah 
geometry
help please.... 1:(2, 1) is reflected over the yaxis. What are the coordinates of the image? A:(2, 1) B:(2, 1) C:(1, 2) D:(2, 1) 2:(2, 5) is reflected over the xaxis. What are the coordinates of the image? A: (2, 5) B;(2, 5) C:(5, 2) D:(2, 5)
asked by mo 
Chemistry
Can an acidic solution be made less acidic by adding an acidic solution?
asked by Angel 
physics
In the Bohr model of the hydrogen atom, the speed of the electron is approximately 1.97 × 106 m/s. Find the central force acting on the electron as it revolves in a circular orbit of radius 4.72 × 10−11 m. Answer in units of N.
asked by go 
English/Grammar
Review the following sentences. Some of them are correct, whereas others contain an error with a commonly confused word. Identify those with errors by marking each of the errors in bold. Make the correction in parentheses after the error. For those that
asked by Angelina 
social studies
WHAT IS SOCIAL STUDIES?
asked by mr. ayedun. i.s 
Finance accounting
Eddings Company had a beginning inventory of 400 units of Product XNA at a cost of $8.00 per unit. During the year, purchases were: Feb. 20 600 units at $9 Aug. 12 300 units at $11 May 5 500 units at $10 Dec. 8 200 units at $12 Eddings Company uses a
asked by Linda 
Algebra I get 1 out of two parts
Owners of a recreation area are filling a small pond with water. They are adding water at a rate of 25 liters per minute. There are 700 liters in the pond to start. Let W represent the amount of water in the pond (in liters), and let T represent the number
asked by Rachal 
Math
The nominal rate of interest is 8% and the rate of inflation is 5%. A single deposit is invested for 10 years. Let: A= value of the investment at the end of 10 years measured in "constant dollars," i.e. in dollars valued at time 0. B= value of the
asked by Katie 
chemistry
I have two solutions of 0.1 Molar. A solution of magnesium chloride and a solution of potassium chloride. I thought that the 0.1 M solution of magnesium chloride would conduct electricity better than a 0.1 M solution of potassium chloride. I did a lab in
asked by charlie 
Chemistry
Which of the following is true about the reaction between sodium bromide and silver sulfate? 1. No reaction 2. Total ionic equation is identical to the net ionic equation 3. Sodium ions and sulfate ions are present in the toal ionic equation but not in the
asked by Gina 
math
write and equation in slope intercpt form using the folowing information : slope= 3 y intercept= 5
asked by kenzie 
hum/176
Write a 500 to 550word essay response for Part One. Comprehensive writing skills must be used.
asked by Pooh 
English
Can you please check if the following sentence is correct? Thank you. 1) They have sold millions of albums so far.
asked by Henry1 
teacher aide
Can someone tell me if I have it answered right. A common stereotype against females is that they are A Messy B Passive C Active D Competitive I say B passive I'm I right.
asked by Karrie 
math
your brother jack will be 2 years from being twice as old as your sister jen. the sum of jacks age and three times jens age is 66. how old is jem?
asked by Anonymous 
religion
crossword puzzle religion, helps us learn about God, 9 letters
asked by Anonymous 
physics
A harmonic wave is traveling along a rope. The oscillator that generates the wave completes 40.0 vibrations in 30.0 s. A given crest of the wave travels 425 cm along the rope in a period of 10.0 s.What is the wavelength? Show all of your work plz. i know
asked by Anonymous 
math
A number cube numbered 1 through 6 is rolled. What is the probalitlity of rolling a prime number?
asked by sheliayoung 
math
a number cube numbered 1 through 6 is rolled.what is the probabilty of rolling a prime number.
asked by cameron 
Probability NEED HELP
1. When two fair dice are tossed, what is the probability of a sum of 4 or a sum of 8? 2. When two fair dice are tossed, what is the probability of doubles or a sum over 9? 3. Evaluate 1025! / 1022! Please help
asked by Hannah 
Number sence
In mrs. Kyoto's class,7/10 of the pupils have pets.of those pupils,4/7 have cats.what fraction of the class has pet cats?
asked by Kamilah 
Finance
If you invest $500 in a bank where you will earn 8% compounded annually, how much will it be worth after 7 years?
asked by Mary 
college math
Find the perimeter and area of a right triangle if the shortest side is 20 mm. and the longest side is 52 mm. Include correct units with each part of your solution.
asked by kozy 
Insurance form preparation
Which of the following documents would provide information on a patient's diagnosis? A. Confidential patient information record b. ledger sheet c.medical treatment record d. CPT4 Tossed up on answer
asked by mary Ann 
Math: I need help.
Peg spends $7.50 a week for grapefruit. When grapefruit are out of season, she gets 1 fewer grapefruit than when they are in season. If the price decreases by $3 per dozen in season, how many dollars will it cost to buy a dozen grapefruit out of season?
asked by Diana 
american history
After reading about yellow journalism, explain how the media may or may not influence American foreign policy? Basically, what affect can the media have on the government’s decisions? Be sure to state specific examples from the reading. You may also want
asked by louberna 
Chemistry
how do you calculate the pOH of a 0.25M solution of monochloroacetic acetic acid at 25C
asked by Illyana 
maths
The variation in size from year to year of a particular population can be modelled by an exponential model with annual proportionate growth rate 0.1246. The size of the population at the start of the initial year is 360. Choose the TWO options that give,
asked by albert 
Physics
A driver of a car that is going 25 m/s suddenly notices a train blocking the road. At the instant the brakes are applied, the train is 60 m away. The car decelerates uniformily and stikes the train 3 secs later. (a) How fast was the car moving on impact?
asked by Addie 
geometry
the area of a trapezoid is 108 square inches and one of its bases has a length of 8 inches. If the height of the trapezoid is 1.5 feet,f ind the length of the other base in inches.
asked by Erin 
english
Please check my work. How did I do? Also, please correct me on any gramatical mistakes. Thank you. Summary, Analysis, Synthesis, and Evaluation...... Write a paragraph explaining the key differences between the four types of writing. An analysis is your
asked by icelocsgirl 
infential statistics
Random of size 2 are taken from a finite population which consist of the measurement 6,7,8,9,10 and 11 A: show that mean and that its S.D is equal to 0.493
asked by Ayodeji 
chemistry
2.50x10 to the second power mL of 0.100M NaBr
asked by nikki 
MATLAB MATH HELP HELP HELP HELP HELP HELP
Write three functions, AppEval, AppDeriv and AppInt that approximate the value, the derivative and the integral of an unknown function f for which you are given only some unevenly spaced values. More specifically, the function AppEval has to be written in
asked by DELORIS 
calculus
Please help with this question. I have a general solution to a differential equation of 18y^3/2= TOP LINE OF FRACTION is 2(x^26x+23)^3/2 and this is divided by 3. What is the particular solution for which y=2 when x=1. Then I need this particular solution
asked by Tony 
Chemistry
A sample of iron was heated to 161.0°C, then placed into 338 g of water at 21.6°C. The temperature of the water rose to 26.9°C. How many grams of iron were in the sample? Specific heat for Iron is 0.473.
asked by teena 
physics
A person throws a physics book off of a cliff at an initial speed of 3 m/s at an angle of 20 degrees. The book is in the air for a total of 2.5 seconds. a) How high is the cliff? b) How far away from the base of the cliff does the book land? c) What is the
asked by ryan 
ga
What letters are needed to complete this pattern? ADF GJM
asked by Angela 
maths
Choose the option that gives an expression for the indefinite integral ʃ (cos(4x) + 2x^2)(sin(4x) − x) dx. In each option, c is an arbitrary constant. Options A cos(4x) + 2x^2 +c B 1/8cos(4x) + 2x^2)^2 +c C 1/4 (sin(4x) − x)^2 + c D (1/(2 (sin(4x)
asked by albert 
science
frastrated over your difficult asignment , you slam your hand on the table. ouch! why does your hand hurt? would it hurt if the table had broken when you hit it? (using Newton's third law)
asked by anmol 
problem solving
anna is 8th in line, carl is 3 places behind her, the man behind carl is last in line, what number is carl in line?
asked by tera 
Math
The perfentage of residents in a city in Shreveport !@#$%^&cycle increased from 28.3% in 2000 to 31.1% in 2007. Predict the percentage of residents who will recycle in 2017.
asked by Brandi 
Romeo and Juliet Essay Question!
Okay, so this is just a few setences from my paragraph and I'm not sure how to continue with it. Another example would be that Romeo does kill himself, since he thinks that Juliet is dead. Next, Since he kills himself for Juliet, it's showing how much he
asked by Allyson 
Science
Electrons move at a speed of 4.4 104 m/s through a 6.0 102 T magnetic field which is perpendicular to their motion. Calculate the radius of the electrons' circular path.
asked by Chris 
chemistry
How many grams of ethylene glycol, HOCH2CH2OH, are present in 2.6 gallons of a 4.61 m solution with a density of 1.88 g/mL? i think that this is a dimensional analysis type of question. 1 gal ~ 3485.41 ml. i just need help with the set up, i think...
asked by Myra 
business
the appearance of a document can do all of the following except.
asked by Anonymous 
English
Can you check the meaning of these few phrasal verbs, please? Thank you In the beginning I dislike my classmates but then I came around thinking they aren't so bad. Can you drop in on me after school. I need to talk to you. My plan to go to the mountains
asked by Henry1 
Grammar
1. An appositive: A. is another term for possessive pronouns. B. is an antecedent. C. is always plural. D. renames the noun. I think it's D? 2. The pronoun "who" can be used for: A. subjects B direct objects C. indirect objects D. objects of the
asked by anthony 
Chemistry
If 118 g of ice at 0.0°C is added to 1.55 L of water at 88°C, what is the final temperature of the mixture?
asked by Sam 
maths
Choose the option that gives (correct to two decimal places) the area of the region which is bounded by the xaxis and by the graph of y =(20(7 − x)(x − 3))/x^2 . Options A 0.47 B 1.31 C 2.09 D 3.76 E 5.12 F 6.55 G 8.20 H 9.46
asked by albert 
Calculus 3
Vectors The thrust of an airplane's engine produces a speed of 400 mph in still air. The wind velocity is given by . In what direction should the plane travel to fly due south? Give your answer as an angle from due south.
asked by Anonymous 
Geometry
Calculate the lateral and surface area of a prism whose height is 12 cm and whose base is a rectangle with dimensions 5 cm by 7 cm.
asked by Mary 
geometry
if the width and height of the original 4in by 6in photograph is increased by a factor of 5,what are the dimensions of the enlargements?
asked by elisabeth 
HCA/230
I am totally stuck on my hw assignment maybe you can give me a pointer to start? This is what I have to do: Patients and caregivers may conform to a specific role during a health care visit. This usually happens because of cultural background or the
asked by Nikol 
probability and statistics I NEED HELP
The MSU basketball team is playing OU. If the probability that MSU wins the game is 0.68 and the probability that OU wins is 0.27. 1. Find the probability that MSU or OU wins. 2. Find the Probability that there is a tie.
asked by Emily 
Number sence
What is 23.972.875?
asked by Kamilah 
PreCalc
A mirror is in the shape of a paraboloid. If a light source is 6 feet from the base along the axis of symmetry and the opening is 12 feet across, how deep should the mirror be?
asked by Madison 
Punctuation
Paloma did not make it to work for her car, broke down on the freeway. Is this better? The hardware store down the street, which had been paved recently, is open until midnight five days a week. Many students anticipate spring break but, Luis looks forward
asked by Natasha 
physics
A person throws a physics book off of a cliff at an initial speed of 3 m/s at an angle of 20 degrees. The book is in the air for a total of 2.5 seconds.
asked by ryan 
math
Generate ordered pairs for the function for x= 2, 1, 0, 1, 2
asked by kenzie 
geometry
Need help in finding the lateral area and surface area for a cylinder whose height is 8cm and radius is 9 cm.
asked by Mary 
Geometry
Find the surface are of a tent including the floor whose shape is cylinderical with a conical top. The diameter is 24 ft the height of the cylindrical portion is 6 ft and the height of the conical portion is 5 ft.
asked by Mary 
Geometry
Determine the length of an arc with the given central angle measure, m
asked by Jarret 
math
y   8= 12 solve the equation please :( 5
asked by kenzie 
chemistry
How much energy does it take to heat 10ml up 30 degrees celcius in kilocalories
asked by Sean 
Social Studies
5 paragraphs about the colonist life??
asked by Frances 
chemistry
what volumes of 2M and 4M CaCl2have to be mixed to give 6Liters of 2.5M CaCl2?
asked by Daniel Forero 
math
if a and b are acute angles, sin(a+b)= 56/65, and sin b = 5/13, find sin a
asked by giddy 
algebra
How do you determine the point of a solution of the system.The point is 46, 0 2x+10y+92 6x2y=24
asked by diane 
english
how did people dress in Elizabethan England? How did the way people dress differ depending on his or her social status? what was the music of the Elizabethan era like? Who were some famous composers? please help me because I cant find these answers
asked by Teara 
discrete math
"a club with 20 members must choose a threeperson committee and a fiveperson committee. how many ways can the two committees be chosen if the committees can overlap? how many ways can the two committees be chosen if the committees cannot overlap?".
asked by Caren 
Mat0099 Principles of Algebra
Please help me solve this problem. 2y+y^2xy(xyy+3y^2) Thanks!
asked by Mortik 
Math
Find the perimeter and area of a right triangle if the shortest side is 20 mm. and the longest side is 52 mm. Include correct units with each part of your solution.
asked by Geena 
Algebra
I've tried and tried and just can't do it. Please help solve this problem. 162(8w7)=3w18(2w)
asked by Ashley 
Chemistry
To what volume must a solution of 86.1 g H2SO4 in 494.0 mL of solution be diluted to give a 0.18 M solution?
asked by Sam 
math
A recreation room has the following dimensions.12ft,30ft,8ft,8ft. Carpeting will cost $1.50 a square foot. How many square feet of carpet will be needed and how much will it cost? Include correct units at each stage within your solution.
asked by kozy 
math
A coin is tossed four times. Find the probability of each of the following: P(exactly 1 head) I know we have to use to this formula p(x=0)=nCk(p)^k(1p)^nk How do you find P? if n=4
asked by Jay 
Physics
A vector of magnitude 10 unit combine in the nurth direction combine with another vector to give a zero resultant what is the other vector?
asked by Mashkur 
Soc 110
I need to write a paper of body word count of 750 words about the use of surveys by sociologist
asked by Peggy 
Geometry
calculate the surface area of a hemisphere with the radius 10 ft
asked by Mary 
maths
By first applying the Product Rule, choose the option that gives (correct to two decimal places) the overall maximum value of the function f(x) = e^3x cos(2x) on the interval [1/12 π, 1/4π]. Options A 0.49 B 1.90 C 2.19 D 2.42 E 3.97 F 5.88 G 7.46 H
asked by albert 
Math Webquest
Hey I'm working on a webquest about colleges comaring UCLA, FSU, PSU, and one of my choice. I'm wanting to major in graphic design and my Aunt told me a school acronym that sounded like FACTs. She said it was _____ of Art and Science. Any help with a list
asked by Marinashley 
statistics
The sum of the measures of all angles in any 10gon is how many degrees?
asked by veronica 
algebra
Determine whether the point 1.8 is a solution of the system. Subitute the point of each equation. 2x+6y=50 10x+0y=10
asked by diane 
algebra
solve using elmination method 2x6y=2 8x+6y=26
asked by diane 
geometry
equation of a line with the coordinates(10,0),(11,2),(12,4),(13,6) and (14,8)
asked by Anonymous 
Math
Please help simplify this problem. Its Kinda hard. 85/8+1/2*6/9 Thanks
asked by Ashley 
social studies 6th grade
I am having a hard time finding the answer to this review question. I have read and reread the section the answer should be found in. Please help! What guidelines did the Quran provide for the Muslim states?
asked by Reed 
Calculus
Intergral from 2 to 2 (2 is at the bottom of the integral sign and 2 is at the top) x^2dx = x^1] (the bracket has a 2 at the top and 2 at the bottom) = (2)^1((2)^1) = (1/2)(1/2 = 1 Is this true or false. I think it's false, but can someone
asked by John 
Algebra 1
8/9 devided by 6/17 whats the answer in simplest form
asked by Michael 
Geometry
Determine the height of a right cone whose lateral area is 136rr ft^2 and base area is 64rr ft^2
asked by Mary 
math
solve 2(t4)=3 (3t +1)
asked by kenzie 
riddle
what starts with "ne" and is one of nine, and ends with "ne" and is eighth in line
asked by suzy 
maths
The mean weight of the contents of samples of 30 bags of sugar has standard error 0.008kg. Choose the option that is closest to the probability, to three decimal places, that the mean weight of the contents of samples of 30 bags of sugar will be 1kg or
asked by albert 
medical billing/coding
You're an HMO director. You would like to ensure that your managed care plan is meeting industry standards. Whats one way you acn do this/
asked by kim 
physics
if a van has a package in the back and is traveling 55 miles and hour is in a head on collision with a vehicle also traveling 55 miles an hour how fast is the package in the back of the van going to hit the driver in the back
asked by Pete 
aiu
Read the following scenario about Mary. Based upon the information in the text and your own online research, discuss Maryâ€™s ethical options. What do you think that she should do? Mary recently graduated from college and landed her first corporate
asked by margy 
math
find the value of n so that x2n=0 has solutions at x=8 and x=8
asked by bob 
Number sence
What is 1/3+1/2?
asked by Kamilah 
algebra
whats the subsitution method for: 7x+63y=12 x=39y
asked by hoss 
Writing
How do you mark thoughts in writing?
asked by Amanda 
Number sence
What is 15% of 200
asked by Kamilah 
math
find the exact value using a doubleangle identity
asked by nano 
math
Apply logarithms to create a linear relationship: ((x^3)(y^1.5))/(z^.5)=k
asked by sophie 
Maths
How do u write 10th May 2011 in 9letters without using number??
asked by Arvin 
math
Simplify (4)4 the second 4 is the coeffcient plzz HELP
asked by kenzie 
human resources
List one external factor that you feel has a powerful influence on your company's HRM function and explain why?????
asked by Lisa 
CALCULUS HELP PLEASE!!
Intergral from 2 to 2 (2 is at the bottom of the integral sign and 2 is at the top) x^2dx = x^1] (the bracket has a 2 at the top and 2 at the bottom) = (2)^1((2)^1) = (1/2)(1/2) = 1 Is this true or false. I think it's false, but can someone
asked by John 
chemistry
predict the actual precipitates which form (if such is the case) when the following solutions are mixed. a) silver sulphate and barium chloride b) ammonium iodine and potassium phosphate'' c) lead(II) acetate and rubidium bromide
asked by zeny 
math
simplify (4)4 the second 4 is the exonent
asked by kenzie 
maths
Choose the option that gives the solution of the initialvalue problem dy dx=(1 + 2 cos2x^2)/y (y > 0), y= 1 when x = 0. Options A y = 1+ 2sin^2 x B y = (1 + 2 sin x)^2 C y = (4x + cos(2x))^2 D y = 4x + cos^2 x E y =sqrt(4x + cos(2x) F y =sqrt(1 + 4x +
asked by albert 
Tips
What are some tips for writing a book?
asked by Amanda 
writing
how do sentences with the word brood
asked by nicole 
probability and statistics
The MSU basketball team is playing OU. If the probability that MSU wins the game is 0.68 and the probability that OU wins is 0.27. 1. Find the probability that MSU or OU wins. 2. Find the Probability that there is a tie.
asked by Emily 
math
1245798 divided by 124 equals
asked by dfbdsh 
algebra
What do they mean when they ask you to find the function form?
asked by Mase 
litres and millilitres
1/10L=ml
asked by paul 
Mat0099 Principles of Algebra
I am confused about this problem, and don't know how to simplify it. 9[128(3)*(5)+1]
asked by Mortik 
math
A customer is buying a $100 drill and two $15 drill bit sets. The customer uses a gift card worth $50 to pay for a portion of their bill. How much cash will the customer pay (before taxes)?
asked by frannie 
Algebra 2
I have to make a design on a graphing calculator using the first quadrant. I have to use linear, quadratics, circles, absolute value, and elipse. Please help.
asked by Zack 
math
Is this a direct variation y= 2x + 6
asked by kenzie 
URGENT  History
Hi, Okay, so where can I get other cartoons on Stalin? I was searching like forever to find that one. Thanks for all your help
asked by Ella 
IPC
Dont understand ipc at all... As more resistors are added to a series circuit, the current ____ Increases Stays the same Decreases
asked by Help please! 
maths
The mean weight of the contents of samples of 30 bags of sugar has standard error 0.008kg. Choose the option that is closest to the probability, to three decimal places, that the mean weight of the contents of samples of 30 bags of sugar will be 1kg or
asked by albert 
geometry
If Úc ≅ Úd, mÚc = 5x  7, and mÚd = 3x + 25, how many degrees are in Úc? 9‹ 16‹ 52‹ 73‹
asked by Chris 
maths
A sequence is defined by un = 2×(−0.5)n + 3 (n = 1,2,3, . . .). Choose the option that best describes the longterm behaviour of the sequence. Options A un becomes arbitrarily small (that is, un → 0 as n→∞). B un becomes arbitrarily large and
asked by albert 
algebra
6sqrt (2)  3sqrt (7) = ???
asked by laura 
math
A baq of 60 marbles has 8 red, 9 blue, 10 orange, and 33 green marbles. In drawing a marble from the bag 100 times, an orange marble was picked 13 times. What was the likelihood of an orange marble being picked? Is this more or lessthan the actual number?
asked by Anonymous 
science
i need 3 examples of supension. any suggestions?
asked by grace 
Math 1
if f=2X5 and g(x) = 7x3
asked by Lawan 
WRITING
how to give credit to line from a book that your putting in your research paper?
asked by cat 
math
[7(8)]6=
asked by connie 
Ethics
What are three most important concepts or principles of ethics involved in medicine and the provision of health care services?
asked by Jenn 
Math
Can you help simplify this problem for me? 9[128(3)*(5)+1 Thank you!
asked by Brandi 
Math
Can you help me simplify this problem? 2y+y^2xy(xyy+3y^2) Thanks
asked by B.N. 
math
generate ordered pairs for the function x= 2, 1, 0, 1, 2
asked by kenz 
comp/155
explain why using pronouns may help make your writing more effective?
asked by sharon 
cchs
what are the name of the three parts
asked by Anonymous 
math
Please complete each equation 1. 15k = (9  _____)k 2. 3.6p  p = _____  0.4p 3. (8 + _____) * = 5m
asked by Melissa 
Algebra 2
The speed of the current is 5m/h. Angie goes upstream 25 miles and returns to the doc. The whole trip takes 12 hours. What is the speed of the boat in still water?
asked by Lori 
Life Orientation
5 ways in which pollution impacts the community
asked by Rinae 
4th grade math
convert 10 and onethird into a decimal
asked by megajolt 
math
is this a driect variation y= 2x +6
asked by kenz