Questions Asked on
October 9, 2011

Physics
An airplane ﬂies 137 km due west from city A to city B and then 412 km in the direction of 46.5◦ north of west from city B to city C. What is the distance between city A and city C? Relative to city A, in what direction is city C? Answer with respect
asked by Louis 
Chem
A lake may be polluted with Pb2+ ions. what precipitation reaction might you use to test for the presense of Pb2+?
asked by Josh 
College Algebra
Let g(x) = 17x3  3x2 + 14x. Find the sum of all of the coefficients of g(x).
asked by brianna mattson 
College Algebra
let g(x) = 17x3  3x2 + 14x. What is the degree of this polynomial function?
asked by brianna mattson 
Physics
A truck travels beneath an airplane that is moving 120 km/h at an angle of 24◦ to the ground. How fast must the truck travel to stay beneath the airplane?
asked by Louis 
Physics
A descent vehicle landing on the moon has a vertical velocity toward the surface of the moon of 35.4 m/s. At the same time, it has a horizontal velocity of 57.2 m/s. At what speed does the vehicle move along its descent path? At what angle with the
asked by Louis 
Problem Solving
John bought a shirt on sale for 25% off the original price and another 25 % off the discounted price. If the final price was $16, what was the price before the first discount?
asked by Cris 
liberal arts math 1
Five hundred raffle tickets were sold for $2 each. A prize of $400 is to be awarded. If you buy one ticket, determine the expected value. What is the fair price for a ticket?
asked by Caren 
Problem Solving
During a storewide sale, a TV which usually sells for $450 is on sale for $360. A Stereo which usually sells for $600 is on sale for $480. What would be the sale price of a VCR which usually sells for $500?
asked by Cris 
College Algebra
Let g(x) = (x  1)5(x + 1)6(x  2)7. What is the multiplicity of the zero x = 1?
asked by brianna mattson 
chemistry
A quantity of electrical charge that brings about the deposition of 4.5 g Al from Al3+ at a cathode will also produce what volume (STP) of H2(g) from H+ at a cathode? I know there are 3 e difference b/w the two reactions. I took 4.5 g/3 and get 1.5 g H2.
asked by Holly 
College Algebra...multiplicity
Let g(x) = (x  1)5(x + 1)6(x  2)7. What is the multiplicity of the zero x = 1?
asked by brianna mattson 
PHYSICS PLEASE HELP !!!!!
If a mass lies on an incline, what is the reaction force to the weight of the mass?
asked by Anonymous 
Stats
Each of 2 players, independently, play a game 5 times, with each game having probability of success 0.40. What is the standard deviation of the sum of the games they win
asked by Jay 
swagger
How did geography affect the trade patterns of Africa and Asia during the period of time covered in the chapter?
asked by buck 
statistics
Can any help me how to solve below problem.? I am student and learning OC curve and double sampling plan. Can you someone help me how to understand this concept? A shipment of 1000 items is to be inspected on a sampling basis. The producer and the consumer
asked by saran 
statistics
is the mean or median a better estimate for the parameter of interest?
asked by Anonymous 
english
I'm having trouble determining which is the correct punctuation of the sentence: The Dutch master Rembrandt is famous for his selfportrait. I think a comma should be after master and Rembrandt like this The Dutch master, Rembrandt, is famous for his
asked by ron 
physics
The systems shown below are in equilibrium (with m = 3.60 kg and θ = 33.0°). If the spring scales are calibrated in newtons, what do they read? Ignore the masses of the pulleys and strings and assume the pulleys and the incline are frictionless
asked by Anonymous 
Math
Kosuke wrote a mathematics contest consistingof 25 multiple choice questions, the scoring system gave 6 points for a correct answer, 2 points for not answering, and 1 point for an incorrect answer.Kosuke got x correct and left y unanswered questions a)
asked by Nancy 
math
a cylinder with a top and bottom has a radius 2x+1 and height 2x1 . Write a simplifed expression for its a) surface area, SA= 2pie^2 + 2pierh b) volume, where V=pier^2h
asked by Heather 
Math
two cones have radii in the ratio 5:4 and height 2:3, determine the ratio of their volumes . where V=1/3pier^2h
asked by Lacey 
math
1 hole number 1 over 8 minus 3 over 4 plus 1 over 2
asked by Apfe 
physics
vector (V1) is 6.3 units long and points along the negative (X) axis. Vector(V2) is 9.0 units long and points at 55 degree to the positive (X)axis. 1 What are the (X) and (Y) components of (V1) vector ? 2What are the (X) and (Y) components of(V2) vector
asked by july 
Chemistry
what element behaves as tghe oxidizing agent in the following equation and what element behaves as the reducing agent? sn2+ + 2Ag> sn + 2 Ag+
asked by Anonymous 
English Please help
i have an essay and ive been researching the topic like for freaking ever and i havent been able to fine anything "scholarly" through collins(my college's) libraries searching databases do you know any scholarly websites..?? Like literally ive been
asked by Jessica 
MATH
WHAT ARE A FEW EXAMPLES OF A TRIANGULAR SEQUENCE PATTERN IN REAL LIFE? PLEASE ANSWER AS SOON AS POSSIBLE!
asked by Howler 
Physics
Find the magnitude of vector A represented by Ax=8.90 cm , Ay=1.60 cm
asked by Rawan 
Chemistry
Can you check if this is correct please: Reactivity order for these metals (top being most reactive):  Magnesium (I'm not sure if Magnesium or Manganese should be at the top)  Manganese  Zinc  Copper Reactivity order for these acids (top being most
asked by Franky 
algebra
why is this a poor model for hitting a baseball? y = 0.002x^2 + 0.879x + 3.981 I know it gets hit at approx. 4 feet high. The a gives the right shape like a hill. There's a 4.48 and 443.95 zero, which can be hit for distance. The max is (219.75, 100) so
asked by Jennifer 
algebra Please Help
New question: A baseball was 2.74 feet above ground when it was hit. It reached a max. height of 116.3ft when it was approx 215.3 ft away from where he hit the ball. The ball lands after travelling a ground distance of approx 433.1 ft. Find an equation of
asked by Jennifer 
Technology
Can you give three examples of bad print media advertisement? Can you give me the link for the bad advertisement?
asked by Kevin 
Application problem
A wheelbarrow maker uses handles made of hardwood. Find the amount of hardwood necessary to make 182 handles. The handle length is 61 1/2 inches.
asked by Alex L. 
algebra  reply to answer
why is this a poor model for hitting a baseball? y = 0.002x^2 + 0.879x + 3.981 I know it gets hit at approx. 4 feet high. The a gives the right shape like a hill. There's a 4.48 and 443.95 zero, which can be hit for distance. The max is (219.75, 100) so
asked by Jennifer 
physics
What minimum force F must be exerted on the 4.1 kg cart in order for the 0.4 kg block not to fall?  F .4 >4.1   u=.49 between 4.1kg and .4 kg block
asked by John 
English, Critical Thinking
PLEASE HELP. I have this essay due tomorrow. I need help with the following: I have to critique the following article and write an essay. But first I need help identifyine Fallacies and the Types of evidence present. Then state whether or not his arguement
asked by Kate 
English, Critical Thinking Part 2
This is regarding the same article by Stiglitz. Define and discuss the term "ideology" as related to the article. Explain the ideology in the article.
asked by Kate 
Ap Chem
Why is it possible for Kp to be less than Kc? If this is the case then when Kc>1 it favors products, but if Kp
asked by Jane 
Technology
What is some of the science behind advertising? How do I convey my message while adhering to proper advertising standards? What are these standards? How do I target my audience
asked by Steve 
general chem
Determine the oxidation number for the indicated element in each of the following compounds: (a) Co in LiCoO2, (b) Al in NaAlH4, (c) C in CH3OH (methanol), (d) N in GaN, (e) Cl in HClO2, (f) Cr in BaCrO4.
asked by rob 
general chem
Using the activity series (Table 4.5), write balanced chemical equations for the following reactions. If no reaction occurs, simply write NR. (a) Nickel metal is added to a solution of copper (II) nitrate; (b) a solution of zinc nitrate is added to a
asked by rob 
Ap Chem
Why is it possible for Kp to be less than Kc? If this is the case then when Kc>1 it favors products, but if Kp
asked by Jane 
general chem
Calculate the molarity of a solution made by dissolving 12.5 grams of Na2CrO4 in enough water to form exactly 550 mL of solution. (b) How many moles of KBr are present in 150 mL of a 0.275 M solution? (c) How many milliters of 6.1 M HCl solution are needed
asked by rob 
general chem
Calculate the molarity of a solution made by dissolving 12.5 grams of Na2CrO4 in enough water to form exactly 550 mL of solution. (b) How many moles of KBr are present in 150 mL of a 0.275 M solution? (c) How many milliters of 6.1 M HCl solution are needed
asked by rob 
Spanish
We are working withdirect object pronouns and we had to answer these questions with the use of the direct object pronoun.It's a conversation between two peopleone askingone answering Are they correct? I'm really not sure 1. First person: ¿Practicas la
asked by James C. 
CJ
Identify the components of the diversionary program and initiatives within the NCJRS, women and girls in prison
asked by Kay 
Economics
This is about economic solution.There are 2 regions but they were given by different each other function of demand and supply.1.First question is we won't sell these products on both regions and you can't transport the product each other.So please find the
asked by Bayarbold 
Chemistry
An aqueous solution of copper (I) chloride is 15.7% by mass copper (I) chloride. Copper (I) is 35.8% by mass chlorine. If the solution has a density of 1.045 g/cm³, how many gallons of solution contain 2.3 kg of copper? Trying to help my son study. Thank
asked by Mom 
Spanish
I have to compare two activiteslike one is more interesting, or more fun, etc; Did I do it correctlythank you for checking this Tocar la piano es más divertido que tocar la guitarra. Montar a caballo es más interesante que caminar el gato. Cantar es
asked by Isabelle 
Chemistry
An aqueous solution of copper (I) chloride is 15.7% by mass copper (I) chloride. Copper (I) is 35.8% by mass chlorine. If the solution has a density of 1.045 g/cm³, how many gallons of solution contain 2.3 kg of copper? Trying to help my son study. Thank
asked by Mom 
physical
What is the traverling ball in Hanbball
asked by Anonymous 
math
state the following property: 5 (3+20) = 15 + 100
asked by Sky 
physics
If a bug traveled a distance of 180 meters at a speed of 15 m/s, what was the time?
asked by Anonymous 
calculus
find the derivative of (x^2+1) 3rd root of x^2+2
asked by vicki 
chemistry 2
the balanced equation for the reduction of iron ore to the metal using CO is Fe2O3+3CO(g) > 2Fe+3CO so what is the maximum of iron in grams that can bbe obtained from 454g (1.00 lb) of iron (III) oxide? AND what mass of CO is required to react with the
asked by cheryl 
English
I'd like you to explain to me the use of the gerund in the following two sentences.I included other sentences I'm not sure of. 1) One day, Prospero's frieds are having a party. They only stop when the pendulum is striking the hour. 2 The protagonist is
asked by Henry2 
college chem
sodium sulfide, Na2S, is used in the leather industry to remove hair from hides. The Na2SO4 + 4C > Na2S +4CO(g) so suppose you mix 15(g) of Na2SO4 and 7.5g of C. which is the limiting reactant AND what is mass of Na2S that is produced?
asked by cheryl 
Chemistry
Can you check if this is correct please: Reactivity order for these metals (top being most reactive):  Magnesium (I'm not sure if Magnesium or Manganese should be at the top)  Manganese  Zinc  Copper Reactivity order for these acids (top being most
asked by Franky 
math
I have fraction 39/13 I have to write three fractions that are equal to I calculated 1 1/3 3/1 3 would this be correct?
asked by kori 
science
We were having a discussion while watching the weather channel. If portions of Oklahoma have temperatures from the 30's to the 50's and another portion of oklahoma had temperatures upper 70's and 80's and finally another section of Oklahoma low 60's to
asked by tgsd 
Science
why can't you use Carbon to extract Aluminium? and How do you extract Aluminium using elecrolysis?
asked by Hana 
Criminal Justice
Compare and contrast state and local programs as they contribute to successful reintegration and transition services for women in the criminal justice system
asked by Kay 
physics
Vector is 6.0 units long and points along the negative axis. Vector is 8.5 units long and points at 40 to the positive axis
asked by mohammed 
physics
an electric motor is used to pull a 125 kg box across a floor using a long cable. the tension in the cable is 350 N amd the box accelerates at 1.2 m/s^2 [forward] for 5 seconds. the cable breaks and the box slows down and stops. calculate the coefficient
asked by marr 
Physics
an electric motor is used to pull a 125 kg box across a floor using a long cable. the tension in the cable is 350 N amd the box accelerates at 1.2 m/s^2 [forward] for 5 seconds. the cable breaks and the box slows down and stops. calculate the coefficient
asked by marr 
ELA
How can you use peer work during the personal narrative unit to better understand yourself as a writer, others in your community and the world around you?
asked by Sumaiya 
Physics
A string is tied to a 4.4 kg block and a 120 g hanging bucket. students add 20 g washers one at a time to the bucket. the students are unaware that the coefficient of static friction for the block on the table is 0.42. What is the maximum force of static
asked by Luis 
chemistry
Okay so I did this problem, but it seems wrong? I put the answers I got... Determine the pH of the following tiration at each of the points indicated. A 71.7 mL solution of 0.182 M NaOH is titrated with 0.2086 M HCL. 1.) initial pH= is it 7.86 or 8.51? 2.)
asked by help meeee pleaaseee 
math
Ture or false questions: Your teacher gives a truefalse pop quiz with 10 questions. Show that the number of possible outcomes for the sample space of possible sequences of 10 answers is 1024. I got false and the number is 182 but don't think I have the
asked by mary 
physics
A bicyclist of mass 60 (including the bicycle) can coast down a 9.0 hill at a steady speed of because of air resistance. Part A How much force must be applied to climb the hill at the same speed and same air resistance?
asked by Diamond 
physics
Two workers pull horizontally on a heavy box, but one pulls twice as hard as the other. The larger pull is directed at 25.0 west of north, and the resultant of these two pulls is 430.0 directly northward.
asked by moneera 
statistics
Suppose that contamination particle size in micrometers can be modeled as f(x) = 2x−3 for 1 < x. a. Show that f(x) is a probability density function. b. Find the mean X.
asked by latha 
Finance
Bill Seeker bought a boat costing $8500 with $1500 down, the balance plus addon interest to be paid in 36 monthly installments. If the addon interest rate was 18% find A. the total interest charged. b. the monthly payment, to the nearest dollar
asked by Brian 
Statistics
Calculate the mean and standard deviation of the probability distribution created by rolling a dice. Either show work or explain how your answer was calculated.
asked by Peter 
Penn Foster
It's important to include references in your research paper because references
asked by meny 
arithmetic
the sum of irst and the fourthterm of a linear squence is10 and the sum of its thired and seventh term is 20.find the common difference and the first term
asked by Anonymous 
VBA Microsoft Excel
I have been on this problem for about 3 hours and I cannot solve it. My professor wanted us to make a command button with 3 input boxes ( I was able to do this part), but I'm suppose to design a boolean and select case that makes sure that a 5 digit number
asked by Angel 
chemistry
Indicate the approximate of pH of a buffer made from equal concentrations of each of these pairs C6H5C00H/C6H5C00 H3B03/H2B03
asked by dude of pluto 
physics
A rolling ball moves from x1 = 3.2 cm to x2 = 4.4 cm during the time from t1 = 3.4 sec to t2 = 6.2 sec. What is its average velocity?
asked by celine 
physicsssss
You are driving home from school steadily at 95 km/h for 130 km. It then begins to rain and you slow to 60 km/h. You arrive home after driving 3 hours and 40 minutes. 1How far is your hometown from school? 2What was your average speed?
asked by marline 
English
I forgot to include the following situation (an exercise on phrasal verbs). Thank you very much. 1) First, Betty tells her husband Fred that Martin, her husband’s friend, saw him cheating on her with another woman. 2) Fred begs her not to listen to
asked by Henry2 
Bob Pursley
Bob: Thank you for answering my Chemistry question. I apologize that it was on there twice. I accidentally posted again the same question instead of a different question. You answered the first question with precision. Thank you
asked by Mom 
geometry
Ray Hf bisects with angle Ehg.. Which conclusion is not valid a. E,F and G are coplanar b. angle EHF is congruent with angle FHG c. Line Eh is congruent to line HG d. m/Ehf is congruent to m/FHG
asked by Jocelyn 
science
Sam weighs 720 N on earth and 120 N on the moon. What does this tell you about the value of gravity on the moon?
asked by lauren 
History
The entrance to many Egyptian tombs was inscribed with a cource of warning,designed to protect the tomb from raiders who might want to steal the treasures,within.What would you write to warn off tomb raiders?
asked by kina 
Chemistry
Write the net ionic equation for the reaction that occurs when aqueous solutions of barium hydroxide and hydrobromic acid are combined. I know that the first part of the formula would be BaOH + HBr but I do not know what the product would be since HBr is
asked by Hannah 
Chemistry
A homogenous mixture of metals is called an alloy. An alloy is found to be 30% by volume gold with the rest being aluminum. Aluminum has a density of 2.70 g/cm³. Gold has a density of 13.1 g/cm³. If a piece of alloy contains 3.70 lbs. of gold, how many
asked by Mom 
Chemistry
A piece of metal alloy (a solution of metals) is made of gold and silver. It is 20% by mass silver. An irregularly shaped piece of this alloy contains 0.356 lb of gold. When the alloy is added to a graduated cylinder that contains 31.55 mL of alcohol, the
asked by Mom 
English
I am writing this essay about Shirley Jackson's "The lottery" My essay is supposed to be about i think i want to talk about stoning in south africa( how long it lasted, if it still takes place, was it for punishment or for no reason) and the second body
asked by Jessica 
Math
How do you work 5y ____ 3y+6 It is in fraction form and it just got me stuck,,,please help!!!!! :(
asked by Mo 
physics
how high a building can superman jump over if he is to leave the ground with a velocity of 60 m/s at an angle of 75 degrees
asked by Anonymous 
CHEMISTRY
Why must an organic layer be washed with NaOH?
asked by Ashley 
calculus
find the derivative of y=cos pix/sinpix+cospix
asked by vicki 
Chemistry
How does Le Chatelier's principle explain the result you obtained when you added HCL to a suspension of Ca(OH)2 in water?
asked by mary 
physics
space rocket travelling at 20 ms1 accelerates at 5ms2 for 2 seconds. how far does the rocket travel during these two seconds?
asked by jim 
math
factor 50x^272
asked by ariel 
Math
It says to multiply. 2y and 14x^5y ___ ______ 7x^2 y^5
asked by Meg 
algebra 2
i need help with these questions simplify √4x^2/y^3 √2x^4/72 √18+√32 √31(√3+√27)
asked by jen 
Chemisrty
How many milliliters of a 2.0M NaOH solution are needed to neutralize 20.0 ml of a 2.5M CH3COOH solution? How do I begin to figure this out?
asked by Shelly 
Physics
Light is incident on a glassair interface from the glass side (n=1.5), and researchers want to use the evanescent field on the air side (n=1.0) to excite the molecules adhered to the surface. It is desired that the evanescent field extend a distance δ =
asked by Vanda 
algebra 2
simplify 1/√9 1/3+i
asked by lolita 
statistics
The deli special lunch offers a choice of three different sandwiches, four kinds of salads, and five different desserts. Use the multiplication rule of counting to determine the number of different lunches that can be ordered using the deli special lunch
asked by Brandon 
AP Chem
When 0.076 moles of lead(II) nitrate are dis solved in enough water to make 670 mililiters of solution, what is the molar concentration of nitrate ions? Answer in units of M
asked by Lutesia 
calculus
if F(x)=f(xf(xf(x))), where f(1)=2, f(2)=3, f'(1)=4, f'(2)=5, and f'(3)=6, find F'(1).
asked by vicki 
psychology
CannonBard view emotion as more than a response to physiological arousal. They suggest that... 1) the hippocampus and the spinal nerve produce emotion 2) both the cortex and the autonomic nervous system respond to the stimulus 3) emotion is the work of
asked by vedrana 
Chemistry
A thief uses a bag of sand to replace a gold statue that sits on a weight sensitive alarmed pedestal. The bag of sand and the statue have exactly the same volume 1.75 L. Assume that the mass of the bag is negligible. A) calculate the mass. ( density of
asked by Monique 
Statistics
7. Give and interpret the 95% confidence interval for the hours of sleep a student gets.
asked by Amber 
Biology9th grade
I'm not sure how to answer one of my homework questions. Is one function of the alveoli to filter out dirt and pollen before it reaches the lung and why or why not. I don't think it is because the alveoli are used to oxgenate the blood, correct. I don't
asked by Sidney 
Math
I don't know how to solve this math problem? A call center is 120 yd. long and 40 yd. wide. Each employee requires 30 sq. ft. if the center needs to have 40% of open space, how many employees can be seated in the center?
asked by Paula 
Economics M/C
The market in which the assumption of continuous market clearing seems to be LEAST applicable is the: a. stock market b. market for wheat. c. labour market d. market for federal government bonds
asked by Anonymous 
Algebra
What is 18 over 52 as a decimal rounded to the nearest thousandth
asked by Aaron 
chemistry
The voltaic cell: Pt, H2(g, 1 atm), H+(xM),,H+ (1M), H2(g, 1 atm), Pt registers an Ecell=+0.108 V. What is the pH of the soln? I know that E*cell=0 for this. I was not sure if i place the [xM] on the top of the equation or the bottom of
asked by Holly 
chemistry
how many millimeters of a 2.0M NaOH solution are needed to neutralize 20.0ml of a 2.5M CH3COOH solution? How do I figure this out?
asked by Anonymous 
World History
Of the four river valleys that supported major early civilizations, which one lost one of it's major rivers? A. Yellow River B. Mesopotamia C. Egypt D. Indus Valley
asked by Angel 
Fibonacci numbers
I have been working on this question all day and can not figure out what to do. The question says according to the Quadratic Formula, the solutions of x^2x1=0 I know the positive solution is the golden rule ratio and the negative solution is the
asked by Jennifer 
Calculus
Find the indicated limits. If the limit does not exist, so state, or use the symbol + ∞ or  ∞. f(x) = { 2  x if x ≤ 3 { 1 + 3x  x^2 if x > 3 a) lim 3+ f(x) x>3 b) lim 3 f(x) x>3 c) lim f(x) x>3 d) lim ∞ f(x) x>3 e) lim ∞ f(x) x>3
asked by Chris 
Math
four times the difference or two posotive integer numbers is equal to half the sum of the numbers. If one of the numbers is 14, what is the other number? I just cant get this can anyone help me?
asked by Paula 
calculus
lim (9x^4+2x+1)^1/2/(3x^2+1) as x>infinity
asked by Ali 
Stats
A random sample of dates taken from headstones at a cemetery in Pleasanton, California, showed an average lifespan of 70 years with a standard deviation of 20 years. Assuming the distribution is unimodal, which of the following is most likely a good
asked by Anonymous 
Statistics
A random sample of dates taken from headstones at a cemetery in Pleasanton, California, showed an average lifespan of 70 years with a standard deviation of 20 years. Assuming the distribution is unimodal, which of the following is most likely a good
asked by Anonymous 
Statistics
For the overall population, the IQ scores follow the normal distribution with mean equal to 100 and variance equal to 225. What is the best answer? A. If you pick a person at random, the chance that his IQ falls between 100 to 115 is more than the chance
asked by Anonymous 
MATH
A candidate for a political office claims that he will win the election. A poll is conducted, and 35 of 150 voters indicate that they will vote for the candidate, 100 voters indicate that they will vote for his opponent, and 15 voters are undecided. a.
asked by Jen 
physics
If you drop an object, it will accelerate down ward at a rate of g = 9.8 m/s2. If you throw it downward instead, its accel eration (in the absence of air resistance) will be
asked by Anonymous 
owning and operating a car.
A person who is the business of selling cars is called a: A.Salesperson B.dealer C.mechanic D.lender i got B
asked by ciara 
English
I urgently need you to check this paragraph.I'm unsure about the use of phrasal verbs. Thank you. 1) Maggie and Fred met each other at a wedding party and hit it off immediately. 2) Maggie fell head over heels for Fred. He, in his turn, fitted in very well
asked by Henry2 
Chemistry
Write the balanced equation for: Magnesium nitride + water > magnesium hydroxide + ammonia MgNO2 + H2O > MgOH + NH3 Is this correct?
asked by Hannah 
World History
What major problem did the Roman Empire face in the mid to late Fourth Century? A. Immigration and invasion B. Lack of Education within the empire C. Weak leadership D. Poor infrastructure
asked by Angel 
chemistry
How does Le Chatelier's principle explain the result you obtained when you added HCL to a suspension of Ca(OH)2 in water? Where the result was, precipiatate dissappeared and an increase in temperature resulted.
asked by mary 
physics
Two blocks with mass m1 = 7.2 and m2 = 7.7 are connected by a massless string over a frictionless and massless pulley. The angle of the incline is equal to 45.0. The kinetic coefficient of friction between m1 and the incline is 0.22. What is the minimum
asked by Jessica 
Math
A road has an incline of 10°. To the nearest foot, find the increase in altitude of a car after driving 4,000 feet along the road.
asked by Mikee 
math
Keno is a casino game in which the player has a card with the numbers 1 through 80 on it. The player selects a set of k numbers from the card, where k can range from one to fifteen. The "caller" announces twenty winning numbers, chosen at random from the
asked by M 
Science Lab
Ok I finish it today do yo think it's good. 1. First, Maria and her best friend Lexi are going to leave home at the same time & same place to go to school. 2. Next, Maria will go on the bus while Lexi is walking to school 3. Then, the girls will be doing
asked by Laruen 
math
Urn I and urn II each have two red chips and two white chips. Two chips are drawn simultaneously form each urn. Let X1 be the number of red chips in the first sample and X2 the number of red chips in the second sample. Find the pdf of X1+X2.
asked by Pat 
Electric Fields
In a particular region of Earth's atmosphere, the electric field above Earth's surface has been measured to be 151 N/C downward at an altitude of 280 m and 167 N/C downward at an altitude of 430 m. Calculate the volume charge density of the atmosphere,
asked by Phil 
Chemistry
A solution of 220mL of 0.200M Koh is mixed with a solution of 120mL of 0.240M NiSO4. 1.Determine limiting reactant? 2.Calculate the mass of precipitate formed? 3.Calculate the molarity of all ions left in the solution?
asked by anonymous 
physics
A man is pulling on a rope with a force of 63 n directed at an angle of 61 degree to the horizontal. What is the xcomponent of the force? answer in units n
asked by mikael 
trig
a tower standing on level ground is due north of piont N and due west of point W, a distance 1,500 feet from N. If the angles of elevation of the top of the tower as measured from N and W are 8 and 11, respectively, find the height of the tower.
asked by courtney 
physics
Problem 25.49 A 1.40mdiameter MRI solenoid with a length of 2.80 m has a magnetic field of 2.50 T along its axis. Part A  If the current is turned off in a time of 1.2 s, what is the emf in one turn of the solenoid's windings? Express your answer using
asked by Paige 
chemistry
A solution of ammonia and water contains 2.70×1025 water molecules and 7.60×1024 ammonia molecules. How many total hydrogen atoms are in this solution?
asked by Anonymous 
physics
a man weighs 573 n on earth. what would he weigh on Jupiter, where the freefall acceleration is 25.9 m/s 2nd power? the acceleration of gravity is 9.8 m/s 2nd power? the acceleration of gravity is 9.8 m/s 2nd power.
asked by mikael 
geometry
if segment bd bisects angle abc. the measure of angle abc=7x. the measure of angle abd=3x+25 find the measure of angle dbc
asked by Anonymous 
Burnett
Write balanced molecular and net ionic equations for the reaction of KHP with NaOH.
asked by Mariah 
owning and operating a car
Which one of the following would be considered a fixed cost of operating a motor vehicle? A.Insurance premiums B.Gasoline C.Tune ups D.New tires i got B
asked by ciara 
Physics
An infinitely long line charge of uniform linear charge density λ = 3.00 µC/m lies parallel to the y axis at x = 2.00 m. A point charge of 4.70 µC is located at x = 1.50 m, y = 2.50 m. Find the electric field at x = 2.50 m, y = 2.00 m. I get 23.7
asked by Paul 
algebra
How do you solve a problem such as:6m
asked by Shanyka 
MATH
Construct a grouped frequency distribution for the following 28 scores using a class width of 4: 64 63 58 46 52 62 47 49 56 47 43 41 45 51 60 62 51 61 50 55 56 53 54 58 48 48 58 46
asked by Jen 
physics
Problem 25.52 A 100turn, 2.0cmdiameter coil is at rest in a horizontal plane. A uniform magnetic field 60 degrees away from vertical increases from 0.50 T to 1.50 T in 0.60 Part A What is the induced emf in the coil? Express your answer using two
asked by Paige 
physics
Problem 25.52 A 100turn, 2.0cmdiameter coil is at rest in a horizontal plane. A uniform magnetic field 60 degrees away from vertical increases from 0.50 T to 1.50 T in 0.60 Part A What is the induced emf in the coil? Express your answer using two
asked by Paige 
physics
Problem 25.52 A 100turn, 2.0cmdiameter coil is at rest in a horizontal plane. A uniform magnetic field 60 degrees away from vertical increases from 0.50 T to 1.50 T in 0.60 Part A What is the induced emf in the coil? Express your answer using two
asked by Paige 
MATH
Construct a frequency distribution table to organize the following set of data: 16 23 24 23 24 20 15 16 21 15 16 19 17 15 23 16 18 19 20 19
asked by Jen 
ciencias
que planetas tndrian esas mismas manifestaciones
asked by david 
geometry
if segment bd bisects angle abc. the measure of angle abc=7x. the measure of angle abd=3x+25 find the measure of angle dbc
asked by Anonymous 
chem
how to say 2M K2C2O4 in english is it 2 molarity of potassium oxalate?
asked by nessa 
English
I made a few changes to a summary you have already checked. I would like to know if everything is correct. Thank you. 1) Prince Prospero decides to shut himself with his friends in his castle, whic ias a big magnificent structure with strong walls and iron
asked by Henry2 
Physics
In a particular region of Earth's atmosphere, the electric field above Earth's surface has been measured to be 151 N/C downward at an altitude of 280 m and 167 N/C downward at an altitude of 430 m. Calculate the volume charge density of the atmosphere,
asked by Tom 
MathMs. Sue or Bob
Can either one of you help me with the math problems I asked? I really need help and do not understand how I would calculate the sample statistic and parameter population....
asked by Jen 
math
Dave pays twofifth of his salary for rent, 16% of the salary for grocery and onefourth of the salary for travel. He saves the remaining $1,368. How much does he earn? Can anybody help me?
asked by Paula 
calculus
derivative of θtanθ secθ
asked by bryce 
math
what is 2 ÷ 1/2?
asked by Kate 
Math
One way to write 99 using four nines is (9x9) + (9+9). Now write 100 using four nines.
asked by Blanca 
chemistry
A solution of 220mL of 0.200M Koh is mixed with a solution of 120mL of 0.240M NiSO4. 1.Determine limiting reactant? 2.Calculate the mass of precipitate formed? 3.Calculate the molarity of all ions left in the solution?
asked by anonymous 
English
I'm posting you a paragraph I wrote containing phrasal verbs. This is more urgent than the previous one. Thank you. 1) My friend looked very upset so I thought she needed to brighten up. I invited her to the cinema and she accepted. I thought popcorns
asked by Henry2 
Simple math question !!
The equation of the line that goes through the point ( 3 ,5 ) and is parallel to the line 2 x + 4 y = 2 can be written in the form y = mx+b where m is and where b is? Please help me !!!
asked by Anonymous 
physics
Each of 108 identical blocks sitting on a frictionless surface is connected to the next block by a massless string. The first block is pulled with a force of 108N. Part A. What is the tension in the string connecting block 108 to block 107? Part B. What is
asked by Josh 
Math
A train that is 1 mile long starts through a tunnel that is also 1 mile long. The train is traveling 15 miles per hour. How long does it take for the train to get completely out of the tunnel?
asked by Micka 
Math
Jessica can jog to work in 4/5 of an hour. When she rides her bike, it takes her 3/10 of an hour. If she rides 10 miles per hour faster than she jogs, how far away is her work?
asked by Lisana 
owning
which one of these auto expenses would be considered variable ? A.Insurance premiums B.Vehicle registration renewal C.Gasoline D.Loan payments i thonk its B or C
asked by ciara 
English
What does it means "How does this setting impact the story?". I really don't get it. Please help. Thank You !!! :)
asked by Laruen 
Mathamatics
find the value of r in terms of T (2r+ 3T)/2 = (2rT)/3 please help me!
asked by Paula 
owning
A ruling of the FTD requires that every used car must display a(n)______spelling out the warranty terms under which the vehicle is offered for sale. A.Vehicle identification chart B.agreement C.option chat D.buyer's guide i got D
asked by ciara 
Chemistry
What is the Lewis dot structure for Carbon tetrabromide and what is the geometric shape of the molecule?
asked by Jill 
math 9th grade
the perimeter of a rectangle is 56 inches> the width of the rectangle is threefourth of the length. Find the length of the diagonal of the rectangle. please help me!!!
asked by Paula 
Algebra
Monthly Budget: You earn $250 per month from your parttime job. You are in a kayaking club that costs $20 per month, and you save at least $100 each month. Write and solve an inequality to find the possible amounts you have left to spend each month.
asked by Stefanie 
Math
A train that is 1 mile long starts through a tunnel that is also 1 mile long. The train is traveling 15 miles per hour. How long does it take for the train to get completely out of the tunnel?
asked by Micka 
math
A common error to think that since 5/3  4/3 = 1/3, the quotient 5/3 ÷ 4/3 is equal to 1 1/3. Explain why this is incorrect.
asked by Kate 
Finding Velocity
A brick falls freely from a high scaffold. A. What is its velocity after 4.0s? B. How far does the brick fall during the first 4.0s? I don't know what formula to use. I only have time, and I guess the first velocity would be 0s.
asked by Untamed 
finance
Define the following terms and identify their role in finance: 1. Finance 2. Efficient Market 3. Primary Market 4. Secondary Market 5. Risk 6. Security 7. Stock 8. Bond 9. Capital 10. Debt 11. Yield 12. Rate of Return 13. Return on Investment 14. Cash Flow
asked by Anonymous 
math
calculate 2/3 ÷ 1/2. In your own words, describe how the quotient of two fractions can be calculated.
asked by Kate 
geometry
if segment bd bisects angle abc. the measure of angle abc=7x. the measure of angle abd=3x+25 find the measure of angle dbc
asked by Anonymous 
Calculating Distance
If you drop a golf ball, how far does it fall in 0.5s? Is the correct formula to use?: D = V1 + t + 1/2at^2. But the problem is that I don't know the acceleration, would that be 0?
asked by Untamed 
calculus
y sin 12x = x cos 2y, (pi/2, pi/4) Find the tangent line to the curve at the given point. y=???
asked by John 
Mathmatics 10
A ladder is placed so its foot is 2m from a wall. The ladder touches the top of a 2m fence that is 1.5m from the wall. How high up the wall does the ladder reach?
asked by Scott Smith 
Biology
I'm not sure how to answer one of my homework questions. SraJMCGIN was nice enough to direct me to a site but I already had been there. My teacher kinda of indicted it was true but I don't know how it can could someone take a second look, please at this
asked by Sidney 
English
How do you spell Narrativeter is this is how you spell it please reply the other one about the english thing please Thank You
asked by Laruen 
Math
Joe keeps all his socks in one drawer. He has 7 blue socks and 9 brown socks. If he reaches in the drawer without looking, what is the least number of socks he can take out to be sure of getting a pair of the same color?
asked by Maria 
social studies
compare how europeans treated the different native population
asked by katherine 
ChemistryPLEASE HELP
A solution of 220mL of 0.200M Koh is mixed with a solution of 120mL of 0.240M NiSO4. 1.Determine limiting reactant? 2.Calculate the mass of precipitate formed? 3.Calculate the molarity of all ions left in the solution?
asked by anonymous 
Math
The equation of the line that goes through the point ( 3 ,5 ) and is parallel to the line 2 x + 4 y = 2 can be written in the form y = mx+b where m is and where b is? Please help me !!!
asked by Amy 
physics
An airplane ﬂies 137 km due west from city A to city B and then 412 km in the direction of 46.5◦ north of west from city B to city C. What is the distance between city A and city C? Relative to city A, in what direction is city C? Answer with respect
asked by John 
Art/Creative Writing
Is there any art & creative writing websites to get more ideas.
asked by Laruen 
Math
If jan drove 7 hrs. at 72 miles per hr. and drove 4 hrs. at 68 miles per hr. How many hrs she drive for last 3 hrs.
asked by Liz 
Physics.. please help!!!!!
A person walks 28.2◦ north of east for 3.33 km. Another person walks due north, then due east to arrive at the same location. How far due north would this person walk? How far would this person walk due east?
asked by Elle 
Math
A train that is 1 mile long starts through a tunnel that is also 1 mile long. The train is traveling 15 miles per hour. How long does it take for the train to get completely out of the tunnel?
asked by PLEASEEEEE 
Science/ The Body
What does stretching do internally for your muscles?
asked by Bella 
Excel VBA
(I have no idea what to do I've asked our professor for help with this numerous times he refuses please help, I know how to make input boxes and a command button but that is it) (1) When an object is thrown into the air it exhibits what is called
asked by Ebony 
Math
A candidate for a political office claims that he will win the election. A poll is conducted, and 35 of 150 voters indicate that they will vote for the candidate, 100 voters indicate that they will vote for his opponent, and 15 voters are undecided. a.
asked by Jen 
health
How do you feel about the changing demographics and increases in health care utilization may affect the adoption of CDHPs?
asked by Marquel5 
Biology
Why does Beta Glucose chains have more weak bonds between the chains than there are between alpha glucose chains?
asked by Craig 
calculus
Find any critical numbers of the function. (Enter your answers as a commaseparated list.) g(t) = 3t ln t
asked by Carey 
algebra
54x^3 +250 factor
asked by alex 
Theme please check
Could the theme be No women could change men The story is about a man marrying a women and the women wants the man changing his diet. The women bosses him around then the man finds another girl and takes off with her. He took off with her because the women
asked by Tiffany 
calculus
the needle of the scale is 27 cm long. find the distance the tip of the needle travels when rotates 74 degree
asked by Anonymous 
fluid mech
A student weighs 280 pounds and the area of his shoes is 70 square inches. What is the preesure exerted by the student shoes on the ground.
asked by brian baldwin 
fluid mech
What is the vapor pressure of water at 212 degrees F?
asked by brian baldwin 
Math
How many of the 28 students in Andy's class are boys, if 4/7 are girls?
asked by Maria 
chemistry
The vapor pressure of water @ 80 degrees C is 0.467 atm. Find value of Kc for the reaction H2O(l) to H2O(g) @ this temp.
asked by Robin 
Chemistry
Do chemists speed a reaction by using bunsen burners or steam baths because this lowers the activation barrier?
asked by Ashley 
calculus
based on data from 1995 to 1999, the average annual warnings in the paper and allied products manufacturing industry may be maodeled by E(t)=1335t+39408 dollars per employee and the average number of emplyees in the same industry cab be modeled by
asked by Bandit 
chemistry
Determine the volume of the titrant that would effect of neutralization. a.)0.036 L OF 0.98 m HCL titrated with with 0.58 NaOH b.) 24.3 mL of 0.29 M H2SO4 titrated with 0.42 M KOH
asked by Anonymous 
fluid
3. A students boot pressure on the ground is 5 pounds per inch squared. how many inches squared will be required to set off a landmine with a set pressure 40 pounds? 4. Calculate the pressure exerted by the atmosphere on a cubic square can with 6 sides of
asked by brian baldwin 
World History
What was the cause of the peloponnesian war? A. Greeks sought revenge for the persian wars. B. Sparta wanted control of the powerful athenian army. C. A spartan murdered the athenian ruler pericles. D. Many greeks outside of athens resented athenian
asked by ciara's sister 
statistics
Forty percent of participants in a soccer league are nine years old, 30% are eight, 20% are seven, and 10% are six. What is the expected value of the age and the standard deviation?
asked by yogi 
Stats Question
People were polled on how many books they read the previous year. How many subjects are needed to estimate the number of books read the previous year within one book with 99% confidence? Initial survey results indicate that standard deviation= 15.9 books.
asked by Parker 
Chemistry
How many milliliters of 0.250 M KMnO4 are needed to react with 3.36 g of Iron(II) sulfate, FeSO4? The reaction is as follows: 10FeSO4(aq) + 2KMnO4(aq) + 8H2SO4(aq) ¨ 5Fe2(SO4)3(aq) + 2MnSO4(aq) + K2SO4(aq) + 8 H2O(l
asked by John 
fluid mech
Complete the following table by inserting the viscosity in centipose at the given temperature. liquid temp Viscosity Bunker c fluid 100 Bunker c fluid 200 Water 70 32.6 Deg Api crude 100 Isopropanol 0 Dowtherm MX 100
asked by brian baldwin 
microeconomics
Can someone please help me with answering these questions? I need to know the answers to study for a test. 1.What private goods generate external benefits? 2.What is the economic logic of the medianvoter rule? 3.Are there different ways to reduce
asked by Sally 
economics
An accountant deposits 100 per month into an account that pays 8% per year compounded quarterly ( no interperiod compounding) How much will she have in 10 years
asked by t 
english
Explain how the poem February is organized around an extended metaphor that defines winter as a time to eat fat and watch hockey.
asked by kay 
Velocity and Displacement
A stone falls freely from rest for 8.0s. A. Calculate the stone's velocity after 8.0s. V2V1+at V2 = (0) = 9.8(8.0) V2 = 78.4m/s B. What is the stone's displacement during this time? d = (v2 + v1)t/2 d = (78.4 + 0)/2(8.0) d = 313.6m
asked by Untamed 
Chemistry
A 0.250g smaple of magnesiumaluminum alloy dissolves completely in an excess of HCl(aq). When the liberated H2(g) is collected over water at 29C at 752torr, the volume is found to be 297mL. The vapor pressure of water at 29C is 30.0torr. What is the mass
asked by Cynthia 
Biology
Why (in detail please) in the carboxypeptidase mechanism, the weak bonds between an enzyme and a substrate will stretch the peptide bond of the substrate which lowers the bond energy? I just want to know why in detail this happens... Thank you.
asked by Simon 
physic
use draw a force diagram of a crash  test dummy in a car at the moment of collision.for this proplem, assume that the forces acting on the car are 19 600n downward, 17 800 n forward, and 25 000 n backward. the forces acting on the dummy are 585 n
asked by nie 
Algebra
2 pumps can fill a water tank in 45 minutes when working together. Alone, the second pump takes 3 times longer than the first to fill the tank. How long does it take the first pump alone to fill the tank? Show all work
asked by Anne 
math
a kid with a baseball cap is playing catch with himself by trowing a ball straight up how fastdoes he throw the ball if it comes back to his cap in0.8 seconds later
asked by peter 
physics
please help i have to turn this in by 10PM a bucket of mass 2.20 kg is whirled in a vertical circle of radius 1.55 m. At the lowest point of its motion the tension in the rope supporting the bucket is 28.0 N.
asked by joey 
Statistics
A forest fire is burning down a narrow valley 3 miles wide at a speed of 40 feet per minute. The fire can be contained by cutting a firebreak through the forest across the valley. It takes 30 seconds for one person to clear one foot of the firebreak. The
asked by Anonymous 
LCMs/Adding unlike fractions
Find the least common multiple in each set of numbers. 1) 8,9,12,18 2) 6,8,9,27,36 I have trouble factoring the denominators in this one. 3/7 + 2/5 + 1/10
asked by Alex L. 
Chorus!
I'm confused on my notes and how many beats there worth. If you can help please respond A.S.A.P because I have to be in a sight reading contest this Tuesday in front of my whole class. thankss!
asked by Anonymous 
history
Hi I was wondering if someone could please help me with this question: What was the place of residence of the HoChunk war chief Red Bird? I have searched many places and have had no luck finding the answer. Thanks much! =)
asked by Lydia 
math
x/5 + y/6=5 2x/5 + y/3=2 use sub method
asked by angel 
College Algebra
How many liters of 80% hydrochloric acid must be mixed with 40% hydrochloric acid to get 15 liters of 65% hydrochloric acid? Write your answer rounded to three decimals. Show all work.
asked by Liz 
Algebra 1 Honors
2x+4=5(x+1) 2(x+2) Would this be identity (all numbers are the solution), No solution (no real number solution), or can it be solved?
asked by Stefanie 
Mathematics
If a brick weighs exactly as much as a 9pound rock plus falf of another brick, what does a brick and a half weigh?
asked by Mary 
physics
A compact disc spins at 2.8 revolutions per second. An ant is walking on the CD and finds that it just begins to slide off the CD when it reaches a point 3.1 cm from the CD's center. (a) What is the coefficient of friction between the ant and the CD? I
asked by matt 
Algebra
The relationship between Celsius(C)and Fahrenheit (F) degrees of measuring temperature is linear. Find an equation relating the two if 1o degrees C corresponds to 50 degrees Fand 50 degrees F and 30 degrees C corresponds to 86 degrees F. Use the equation
asked by Bella 
College Algebra
A bank loaned out $53,000, part of it at a rate of 12% per year and the rest at a rate of 5% per year. If the interest received was $4960, how much was loaned at 12%? Show all work.
asked by Bella 
algebra
how many mls of pure water does a pharmacist have to add to 50mls of a 15% minoxide solution to get a 10% minoxide solution?
asked by rf 
statistics
You plan to conduct a survey to find what proportion of the workforce has two or more jobs. You decide on the 90 percent confidence level and state that the estimated proportion must be within 2 percent of the population proportion. A pilot survey reveals
asked by Barbara 
Math
Flip a fair coin 9 times. Find the probability of getting the following outcome. (Round your answer to six decimal places.) at least 5 heads
asked by Marisa 
Algebra
During a hurricane evacuation from the east coast of Georgia, a family traveled 260 miles west. For part of the trip, they averaged 70 mph, but as the congestion got bad, they had to slow to 20 mph. If the total time of travel was 9 hours, how many miles
asked by Leslie 
CHEmistry
The balanced reaction equation for combustion of Mg is: 2 Mg + O2 > 2 MgO. In the reaction vessel you have 1.0 moles of Mg and 0.30 moles of O2. What is the limiting reactant? How many moles of MgO can you possibley make?
asked by Amanda 
Math please help me
5 years,21days,4hours,32min,17sec  2 years,93days,7hours,47min,24sec _______________________________________
asked by Juan 
us history
During the cold war,American relations with the Soviet Union were dominated by?
asked by aja 
Programming C#
Write a program that prompts the user for a name, social security number, hourly pay rate , and the number of hours worked.  Gross pay defined as hourly pay rate time hours worked.  Federal withholding tax, defined 15% of the gross pay.  State
asked by Adam Smith 
math
A manufacture has been selling 1300 television sets a week at 450 each. A market survey indicates that for each 14 rebate offered to a buyer, the number of sets sold will increase by 140 per week. a) Find the demand function , where is the number of the
asked by Jim 
Arts/230
Social views and patterns are often protrayed in art. How did the rising middleclass of the enlightenment era play into the context of their painting? Did it contribute to or detract from the technical qualities of the paintings?
asked by Angie 
Math
Solve By Factorig: x^(9/4) 2x^(5/4) 3x^(1/4)= 0
asked by Anonymous 
algebra
The actual room has an area of 166ft2 and one of the sides, s, measures 13ft. Side s corresponds to side m of your model and m = 2ft. In order for your model to have the same proportions as the actual room, what is the required area of your model room?
asked by Kevin 
Chemistry
How many mL of 0.139 M KOH are needed to reach the equivalence point when 1.8 g of potassium hydrogen phthalate, KHP is titrated to a phenolphthalein endpoint.
asked by Anonymous 
history
The IndoEuropean migration brought many changes to several ancient civilizations. What major civilizations were impacted and what changes did they bring?
asked by Stacy 
Math
Construct a grouped frequency distribution for the following 28 scores using a class width of 4: 64 63 58 46 52 62 47 49 56 47 43 41 45 51 60 62 51 61 50 55 56 53 54 58 48 48 58 46
asked by Jen 
Chemistry
How many mL of 0.139 M KOH are needed to reach the equivalence point when 1.8 g of potassium hydrogen phthalate, KHP is titrated to a phenolphthalein endpoint.
asked by Anonymous 
Math
5 years,21days,4hours,32min,17sec  2 years,93days,7hours,47min,24sec 
asked by Juan 
chemistry
Sample of 10.7 g of CO reacts completely with O2 to form CO2. How many grams of CO2 will be formed?
asked by Zander 
math 117
1. Answer the following questions. Use Equation Editor to write mathematical expressions and equations. First, save this file to your hard drive by selecting Save As from the File menu. Click the white space below each question to maintain proper
asked by Anonymous 
Organic chemistry
(i) write a proton transfer reaction that may occur, using curved arrows to show electron movements. (ii) write the pKa of the most acidic H on each side of the equation (iii) State whether reactants or products are favored and by how much (A) Phenol +
asked by PHILLIP 
trig
A rocket is launched at an angle of ascent (elevation) of 18 degrees. When it has traveled 6000 ft, what is its height above the ground?
asked by Bridgette 
Mathematics
If a brick weighs exactly as much as a 9pound rock plus falf of another brick, what does a brick and a half weigh?
asked by Mathew 
psychology
One common mistake made in a persuasive paper is taking one side to the extent that the writing becomes biased. How does a persuasive essay differ from a biased essay?
asked by Samantha 
math
1. A baseball diamond is a square with a distance of 90 feet between the bases. A runner is running from first base to second at the constant rate of 20 feet per second. How fast is the distance between the runner and the catcher changing when the runner
asked by Eun 
geometry
10. Exactly how many cubic inches of air can a fully inflated basketball hold if its radius is 4.8 inches
asked by ella 
Physical Science
The ___________ of an element have atoms whose nuclei differ in their numbers of neutrons.
asked by Brann 
englishpoetry
what would you say this poem is about THE CAROL BURNETT SHOW by Joan Jobe Smith After my father died and I had to drop out of college for the second time to go back to being a gogo girl, my mother came to live with me to take care of my kids although she
asked by deb 
Science
An electron microscope has a much greater useful magnification than an optical microscope because it can resolve smaller details. What makes the higher resolving power possible?
asked by Sheryl 
Science
Why is the Bohr Theory incompatible with the uncertainty principle?
asked by Sheryl 
Physical Science
Find the work done in pushing a 120 kg box for 5 meters across the floor. W=F * D (F=m*g) a. 600.0 J b. 5,880.0 J c. 5,008.8 J d. 601.5 J
asked by Brann 
Science
What kind of experiment might you use to distinguish between a gamma ray of wavelength 10^11m and an electron whose de Broglie wavelength is also 10^11m?
asked by Sheryl 
Science
What kind of experiment might you use to distinguish between a gamma ray of wavelength 10^11m and an electron whose de Broglie wavelength is also 10^11m?
asked by Sheryl 
science
Why do you think the wave aspect of light was discovered earlier than its particle aspect?
asked by Sheryl 
science
Why do you think the wave aspect of light was discovered earlier than its particle aspect?
asked by Sheryl 
science
Find the frequency and wavelength of a 50MeV gammaray photon.
asked by Sheryl 
science
Why is the Bohr Theory incompatible with the uncertainty principle?
asked by Sheryl 
Chemistry
0.1 M solution of HCL has been diluted by a factor of 10. The Corresponding concentrations of: [OH^] increased or decreased [H^+] increased or decreased
asked by Jon 
Math...PLEASE HELP!!!!
A candidate for a political office claims that he will win the election. A poll is conducted, and 35 of 150 voters indicate that they will vote for the candidate, 100 voters indicate that they will vote for his opponent, and 15 voters are undecided. a.
asked by Jen 
Physics
If a car his traveling 24.5 m/s east, and the driver looks down at a text for 3 seconds, how many meters will the car travel during that time period.
asked by Dawn 
algebra
Find the length of the golden rectangle whose width is 14.72
asked by Jennifer 
geography
What lines of latitude determine the" tropics"? My answer is 23.5 degrees N and 23.5 degrees S latitude. Am I right? Please check me on one more! Why is Greenwich, England, so important to a geographer? My answer is  Because the prime meridian runs
asked by Reed 
Physical Science
Find the work done in pushing a 120 kg box for 5 meters across the floor. W=F * D (F=m*g) a. 600.0 J b. 5,880.0 J c. 5,008.8 J d. 601.5 J
asked by Brann 
math
Find the perimeter and area of a right triangle if one leg measures 9 cm and the other leg measures 40 cm. Students must show all work step by step to receive full credit for the problem. Include correct units with your solution.
asked by joetta 
geography (Ms. Sue)
Can you suggest a site where I can find this answer? I do not have my book at home tonight. I need to name at least three items a map's key should include.
asked by Reed