Questions Asked on
October 18, 2012

MATH
an unfair coin with pr[tails]= .15 is flipped 6 times. what is the probability of getting EXACTLY 1 tail in the 6 flips?
asked by Anonymous 
7th grade math Ms.Sue help please
4. What is the distance between Nicholas’s school(3,2)and the post office (2,2)? 6.4 5.2 3.6 3.0 5. If Nicholas is located at (– 3 , 2), what is the distance to get to the grocery store (1,1)? 2 3 4 5 I have no idea how to solve these i have tried
asked by Delilah 
Physics: Rotational Motion
A 0.005kg bullet travelling horizontally with a speed of 1000m/s enters an 18kg door, embedding itself 10cm from the side opposite the hinges as in figure. The 1m wide door is free to swing on the hinges. a) Before it hits the door, does the bullet have
asked by Anonymous 
AP CHEMISTRY!!!!
Carbon monoxide reacts with oxygen to form carbon dioxide by the following reaction: 2 CO(g) + O2(g) → 2 CO2(g) ∆H for this reaction is −566 kJ/mol rxn. What is the ∆H for CO(g)?
asked by Joe King 
physics
A 0.395kg blue bead slides on a frictionless, curved wire, starting from rest at point in the figure below, where h = 1.50 m. At point , the blue bead collides elastically with a 0.650kg green bead at rest. Find the maximum height the green bead rises as
asked by Alex 
ap chemistry
Carbon monoxide reacts with oxygen to form carbon dioxide by the following reaction: 2CO2 + O2 yields 2CO2 Delta H for this reaction is 566 kJ/mol run. What is the delta H for CO? 1). +270 kJ/mol 2). 110 kJ/mol 3). +65 kJ/mol 4). 405 kJ/mol 5). 65
asked by bridget 
Physics
A 0.17 kg baseball moving at +20.80 m/s is slowed to a stop by a catcher who exerts a constant force of 376 N. How long does it take this force to stop the ball? How far does the ball travel before stopping?
asked by Angela 
physics
Between each pair of vertebrae in the spinal column is a cylindrical disc of cartilage. Typically, this disc has a radius of about 2.85 102 m and a thickness of about 7.14 103 m. The shear modulus of cartilage is 1.16 107 N/m2. Suppose that a shearing
asked by Cat 
Grammar
Which of the following combines the sentences below by coordinating? Senate pages may be between fourteen and seventeen years old. Pages in the House must be high school juniors or seniors. A.Senate pages may be between fourteen and seventeen years old,
asked by Anon 
ap chemistry
Carbon monoxide reacts with oxygen to form carbon dioxide by the following reaction: 2CO + O2 yields 2CO2 Delta H for this reaction is 135.28 kcal. If 811.7 kcal is released, how many moles of CO must have reacted? 1). 270.5 mol 2). 40.5 mol 3). 12.0 mol
asked by bob 
Physics
Two blocks move along a linear path on a nearly frictionless air track. One block, of mass 0.107 kg, initially moves to the right at a speed of 4.70 m/s, while the second block, of mass 0.214 kg, is initially to the left of the first block and moving to
asked by koko 
math
sally and susan had an equal amount of oney each. after sally spent $15 and susan spent $24, the ratio of sally's money to susan's money was 4:3. how much money did each girl have at first?
asked by natasya 
math
which is greater, 100^10 or 10^100? explain reasoning.
asked by Zack 
Algebra Grade 7
there are 10 students in Mr. Alvarez's art class. Throughout the year, each student must pair up with every other student to complete a project. How many projects will be completed? 45?
asked by rawr... im a dinosaur.... rawr 
Accounting
A check returned by a bank because the issuer's cash account balance could not cover the check is called a(n): a. Cancelled check b. Certified check c. Outstanding check d. NSF check
asked by Anton 
physics
A skier starts from rest at the top of a hill. The skier coasts down the hill and up a second hill, as the drawing illustrates. The crest of the second hill is circular, with a radius of 38.1 m. Neglect friction and air resistance. What must be the height
asked by susan 
Social Studies 8R  help!
What were the advantages and disadvantages of consolidation?
asked by Laruen 
Sciencemath
The equation for the decomposition of silver oxide is 2(Ag2)o yields 4Ag +o2. Set up ratio to calculate the number of oxygen molecules released when 1 gram of silver oxide is broken down. There are 2.6 x 10 to 21 power molecules in 1 gram of silver oxide.
asked by Maria 
7th grade social studies Ms.Sue please
1. What enabled people of northern Italy to sponsor learning? (1 point) Martin Luther's ideas a mild climate wealth from trade help from the Germany government 2. What did German leaders want during the Reformation? (1 point) to increase the pope's power
asked by Delilah 
EnglishGrammar
Identify the word or words the best describes the underlined(in parentheses) word for the question (Comparing the two essays), it is obvious that one relied on more thorough research. A.prepositional phrase B.participial phrase C.gerund phrase D.infinitive
asked by Anon 
Chem Electron Config
A 10.0g sample of C2H5OH is burned completely in air. How many molecules of H2O are formed? 3.92×1023 *How many grams are formed?* did anyone figure out how to get the grams of H2O formed?
asked by Shay 
organic chemistry
The Rf value of compound A is 0.34 when developed in hexane and 0.44 when developed in diethyl ether. Compound B has Rf Value of 0.42 in hexane and 0.60 in diethyl ether. Which solvent will be better for separating a mixture of compound A and B?
asked by lyly 
Physics
Hung vertically, a mass less spring extends by 3.00 cm a mass of 739. G is attached to its lower end. The same mass and spring are then placed apart on a table. The spring is fixed in place and then the mass is given a velocity of 0.900 m/s towards the
asked by Steeve 
PHYSICS need help now!!!
You have a summer job at your university’s zoology department, where you’ll be working with an animal behavior expert. She’s assigned you to study videos of different animals leaping into the air. Your task is to compare their power outputs as they
asked by Jcota2 
Physics
Calculate a space shuttle territory 250 km above Earth's surface. Earth's mass is 6.0 * 10^24kg and its radius is 6.38 * 10^6 m (6380km)
asked by Darren 
chemistry
write the equilibrum constant expression for Kp of the following: a.) O2>< 2PbO(s) + 2SO2(g)
asked by Helen 
Physics
Two blocks move along a linear path on a nearly frictionless air track. One block, of mass 0.120 kg, initially moves to the right at a speed of 4.90 m/s, while the second block, of mass 0.240 kg, is initially to the left of the first block and moving to
asked by Pat 
Physics
Determine the tension in a 40 cm long pendulum when a bob of mass 200g moving at 0.7 m.s is 15 degrees from the vertical?
asked by Mary 
ap chemistry ! i am so lost
how much work is done by the system when 2.00 moles of O2 expand from a volume of 3.00 liters to a volume of 5.8 liters against a constant external pressure of 0.0100 atm? answer in units of J
asked by bridget 
psy 504
How can a theory be reliable or consistent over time if personality is believed to change? I believe people change over time.
asked by warren 
CHEM
Silicon carbide, commonly known as carborundum, is a very hard and abrasive substance. The compound is prepared by heating silicon dioxide in the presence of graphitic carbon: SiO2(s) + 2C(s) > SiC(s) + CO2(g) How many grams of silicon carbide can be
asked by Lena 
Chem Electron Config
S2 Cu+ Sn2+ O2 A 1s22s22p63s23p63d10 B. 2s2 C. 1s22s22p63s23p4 D. 1s22s22p63s23p63d104s1 E. 1s2 F. 1s22s22p63s23p64s23d104p65s24d10 G. 1s22s22p63s23p64s23d104p64d105s25p2 H. 1s22s22p4 I. 1s22s22p6 J. none of the above Choose from the list the correct
asked by Shay 
Chemistry: Partial Pressure
A mixture of 0.166 moles of C is reacted with 0.117 moles of O2 in a sealed, 10 L vessel at 500 K, producing a mixture of CO and CO2. The total pressure is 0.640 atm. What is the partial pressure of CO? Please provide a step by step explanation with the
asked by M 
math
sally and susan had an equal amount of oney each. after sally spent $15 and susan spent $24, the ratio of sally's money to susan's money was 4:3. how much money did each girl have at first?
asked by natasya 
ap chemistry ! i am so lost
how much work is done by the system when 2.00 moles of O2 expand from a volume of 3.00 liters to a volume of 5.8 liters against a constant external pressure of 0.0100 atm? answer in units of J
asked by bridget 
ap chemistry :(
consider the reaction C6H14 + 9.5O2 yields 6CO2 + 7H2O at constant pressure. which response is true? 1. work may be done on or by the system as the reaction occurs, depending upon the temperature. 2. work is done on the system as the reaction occurs. 3. no
asked by sam 
CHEM
Arrange the following in order of increasing atomic radii from smallest to largest. Mg Ra Sr Be Ca Ba
asked by Lena 
math
Simplify the following expression in your notebook. Select the correct answer. 7  3[(n3 + 8n) ÷ (n) + 9n2]
asked by nisreen 
trigonometry
A carpenter is building a house. He is constructing the roof. The roof has an angle of elevation of 40° from the horizontal. The height he wants to make the roof is 18 feet. How far is it from the bottom edge of the roof to the top of the roof? (Find the
asked by rose 
math
You worked from 2:30pm – 8:45pm with a ½ hour lunch break. Your hourly wage is $7.50/ hour. How much did you earn?
asked by John 
science
a person needs to push a lever down with a force of 16.5N and a distance of 0.75 to lift the rock 0.25m. how much work is done?
asked by sassy 
chemistry
Explain how mixing red paint and white paint could be used as an analogy for a neutralization reaction.
asked by Anonymous 
algebra 2
4p + 2q = 8 and q = 2p +1 solve by substitution
asked by natasha 
chemisty
At 450oC, the equilibrium constant Kc for the HaberBosch synthesis of ammonia is 0.16 for the reaction writeten as 3H2(g) + N2 (g)>
asked by Helen 
physics
A mass m = 17.0 kg is pulled along a horizontal floor with NO friction for a distance d =5.1 m. Then the mass is pulled up an incline that makes an angle è = 30.0° with the horizontal and has a coefficient of kinetic friction ìk = 0.34. The entire time
asked by mohamed 
narbonne high
What is the percent mass of KClO3 in a mixture if the original starting material weighted 3.58(g) and the mass of KClO3 in mixture is 1.67(g)
asked by Kim Jones 
physics
A car initially traveling eastward turns north by traveling in a circular path at uniform speed as in the figure. The length of the arc ABC is 259 m, and the car completes the turn in 38.0 s. a)Determine the car's speed.m/s b)What is the magnitude and
asked by Karrine 
maths
i am a mutiple of 5 ,but not a mulitple of 10.my units and hunderde are the same.the sum of my three digits is 11,what am i
asked by karl 
Algebra 2
The vertices of a feasible region are A(1,2), B(5,2), C(1,40. Write a function that satisfies each equation. a) A is the maximum and B is the minimum. b) C is the maximum and B is the minimum. c) B is the maximum and A is the minimum.
asked by Marilu 
physics
A semitrailer is coasting downhill along a mountain highway when its brakes fail. The driver pulls onto a runaway truck ramp that is inclined at an angle of 17.0° above the horizontal. The semitrailer coasts to a stop after traveling 110 m along the
asked by susan 
geometry
thebottom of the ladder is 3 feet from the building. the ladder makes an angle of 75 degree with the ground. how high up on the building does the ladder reach? how long is the ladder?
asked by donta 
Calculus (Please Check)
Show that the equation x^5+x+1 = 0 has exactly one real root. Name the theorems you use to prove it. I.V.T. *f(x) is continuous *Lim x> inf x^5+x+1 = inf >0 *Lim x> inf x^5+x+1 = inf
asked by Anonymous 
Social Studies 8R  help!!!!!
4. (a) What methods did big railroads use to win and keep business? (b) How did these practices affect small businesses and farmers? Please help me with this question.
asked by Laruen 
GEOL 108
Do you have the answers to exercise 30 in Darrel Hess's Physical Geography Laboratory Manual tenth edition?
asked by arthur 
literature
When Mathilde finds herself in debt, she becomes heroic. How? In the story The Necklace .
asked by anonymous 
Math
What is the percent increase from 91,400,000 to 94,400,000?
asked by Zack 
Chemistry
How many moles of hydrochloric acid (pKa of HF=3.14) must be added to 500.0 mL of 0.30M sodium fluoride (NaF) to give a buffer of pH 3.50? Ignore the volume change due to the addition of hdrofluoric acid
asked by Millie 
physics
A loaded truck can accelerate at 4.8 m/s2. It loses its load so that it is only 0.4 as massive. By what factor must the acceleration change for the same driving force?
asked by Anonymous 
Algebra 2
The vertices of a feasible region are A(1,2), B(5,2), C(1,4). Write a function that satisfies each equation. a) A is the maximum and B is the minimum. b) C is the maximum and B is the minimum. c) B is the maximum and A is the minimum.
asked by Marilu 
math
The total weekly cost (in dollars) incurred by Lincoln Records in pressing x compact discs is given by the following function. C(x) = 2000 + 2x  0.0001x^2 (0≤x≤6000) (a) What is the actual cost incurred in producing the 1071st and the 1891st disc?
asked by Alina 
US Government
Critics argue that they slow down decisionmaking and create conflict. Evaluate the criticisms, and explain the justification for continuing the Madisonian model.
asked by Anne 
business
Social media can have a significant impact on a company’s success (both positive and negative). What are the pros of social media, and how do you think they can be harnessed to promote effective communication? What are the cons, and how do you think they
asked by Quita 
math
chester builds and collects models of boats and planes. He has 22 models altogether. Chester has 8 more planes than he does boats. How many of each kind of model does he have?
asked by Anonymous 
physics
An autographed baseball rolls oﬀ of a 0.62 m high desk and strikes the ﬂoor 0.33 m away from the desk. How fast was it rolling on the desk before it fell oﬀ? The acceleration of gravity is 9.81 m/s 2 . Answer in units of m/s
asked by Anonymous 
PHYSICS !!!!!!!!!!
A biophysicist grabs the ends of a DNA strand with optical tweezers and stretches it 28um . How much energy is stored in the stretched molecule if its spring constant is 0.046pN ?
asked by Jcota2 
Physics Elena please help!
A 20.0 g bullet is fired horizontally into a 85 g wooden block that is initially at rest on a frictionless horizontal surface and connected to a spring having spring constant 156 N/m. The bullet becomes embedded in the block. The bullet block system
asked by Megan 
Algebra Grade 7
You invest $275.00 in a moneymarket account that pays simple interest at a rate of 10%. How long must you leave your investment in the moneymarket account if you expect to earn $27.50 in interest? A year? How do I work it?
asked by rawr... im a dinosaur.... rawr 
Math
In triangle XYZ, XY= 8 cm and YZ=6m. The area of triangle XYZ is 12cm^2. The 
asked by Anonymous 
Algebra 2
The height h(t), in feet, of an airborne teeshirt t seconds after begin launch can be approximated by h(t)= 15t^2+120t+10,0
asked by CC 
math
what are the subsets on 2.324 and the subsets for the square root of 46
asked by Taylor 
English 11
In English we are reading the crucible and we have to find modern day witch hunt examples.witch hunt being people who are guilty in the opinion of public opinion, but is actually innocent in the court of law. Some examples he and some others gave were
asked by Elaina 
Social Studies 8R  I'm confused...
Are railroads as important today as they were in 1800's? To be really honest with you, I don't know... didn't they replace railroads with trains....????
asked by Laruen 
algebra
how do I evaluate 2x to the 4th power + 2 x to the 3rd power + x to the 2nd power when x + 7
asked by Anonymous 
math study links
The Suez Canal links the Mediterranean and Red Seas.It is 103 miles long and was opened in 1869.For how many years has the Suez Canal been open? please help me.
asked by nicole 4grade 
Physics. please help! due tomorrow!
Let W1 represent the work required to accelerate an object on a frictionless horizontal surface from rest to a speed of v. if W2 represents the work required to accelerate the same object on the same surface from a speed of v to 2v, then which one of the
asked by Matt 
Chemistry
a student used a 0.358 g sample of AlkaSeltzer and the mass of CO2 was found to be 0.102 g. Based on this result, answer the following questions: Determine the mass of NaHCO3 that produced the CO2 in the experiment. Determine the % mass of NaHCO3 in the
asked by Jena 
Math
For the equation 2x 3  11x 2 + 12x + 9 = 0, the root 3 has a multiplicity of _____.
asked by Raven 
physics TEST TMRW PLS HELP!
In zerogravity astronaut training and equipment testing, NASA flies a KC135A aircraft along a parabolic flight path. The aircraft climbs from 24 000 ft to 31 000 ft, where it enters the zerog parabola with a velocity of 143 m/s nose high at 45.0° and
asked by Ania 
trigonometry
A person is standing 21 feet from a building. The angle of elevation between the person and the ground is 59°. Find the height of the building. (Round to the nearest hundredth)
asked by tiffani 
Physics
In a TV set, an electron beam moves with horizontal velocity of 4.5 × 10 7 m/s across the cathode ray tube and strikes the screen, 48 cm away. The acceleration of gravity is 9.8 m/s 2 . How far does the electron beam fall while traversing this distance?
asked by Lupin 
Physics
A bomber ﬂies horizontally with a speed of 225 m/s relative to the ground. The altitude of the bomber is 3010 m and the terrain is level. Neglect the eﬀects of air resistance. The acceleration of gravity is 9.8 m/s 2 . a) How far from the point
asked by Lupin 
Chemistry
1. Hydrogen and oxygen gas combine explosively to produce water. Write a balanced chemical equation for this process. If 10 mol of hydrogen reacted with oxygen, what volume of liquid water could be produced? 2. You sometimes hear in a medical show on TV
asked by KVB 
nutrition
Jonathan, a twoandahalfyearold, lives with his mother and brothers at his grandmother's house in Chicago. His mother, Anita, works at a pharmacy to support the family. Jonathan spends his days at home with his grandmother. While Anita works, his
asked by robert 
social studies
How many lakes does the National Trust in England have? It's hard to find the information about that on the Internet. About 136 lakes or 500 lakes? Would you let me know that or the website? Thank you.
asked by rfvv 
Physics
A 0.40kg block is held against a compressed spring of stiffness 68.2N/m and compression 0.64m parallel to a 24 degree incline that is 1.27m long. The coefficient of kinetic friction between the block and the incline is 0.34. The external force holding the
asked by Alphonse 
Algebra 2
a total of $1381.8 per year is received in interest from three investments. the interest rates for the three investments are 4.9%, 7.5%, and 8.6%. the 4.9$ investment is half of the 7.5% investment and the 7.5% investment is 1400 less than the 8.6%
asked by Emily 
math
everyone at Luke's party has 2 balloons except Ashley, because one of her balloons popped. There are 17 balloons at the party. How many people are at the party?
asked by Anonymous 
PHYSICS !!!!!!!!
A physicist grabs the ends of a DNA strand with optical tweezers and stretches it 28 . How much energy is stored in the stretched molecule if its spring constant is 0.046 ?
asked by Jcota2 
Math 6
In a class of 20 students 13 were boys. What percent of the class were boys? How do I figure this? Do I divide 13 by 20 and its 65 % ?
asked by Moby 
English grammar
"Will you lend me seven dollars for my lunch today? " asked Shannon. Is there a question mark after today or a comma
asked by Daniel 
Math
In triangle XYZ, XY= 8 cm and YZ=6m. The area of triangle XYZ is 12cm^2. The 
asked by Anonymous 
ap chemistry :(
consider the reaction C6H14 + 9.5O2 yields 6CO2 + &H2) at constant pressure. which response is true? 1. work may be done on or by the system as the reaction occurs, depending upon the temperature. 2. work is done on the system as the reaction occurs. 3. no
asked by samuel 
Calculus
Find the critical points of f(x)=x^4e^x. You would use the product rule. Then what?
asked by Greg 
Math
How many times larger is 2,300,000 sq. miles than 1,200,000 sq. miles?
asked by Zack 
statistics
in a survey 15% of the student said they don't own computers if 75 didn't own computers how many took the survey
asked by Anonymous 
CHEMISTRY
What element is represented by this electron ground state configuration : [Kr] 4d10 4f14 5s2 5p6 5d10 5f14 6s2 6p6 6d2 7s2 Is this really Krypton?
asked by Lena 
Science
Chemistry Enthalpy Calculations? Given the equation: CaO + H2O > Ca(OH)2 A 1 g sample of CaO is dissolved in 100 ml water with density 1.00g/ml. The temperature rise is 3.7 degrees C. The specific heat is 4.00 J/g*deg. 1. Calculate the heat (in J)
asked by Pablo 
physics
A projectile of mass 0.840 kg is shot straight up with an initial speed of 22.9 m/s. (a) How high would it go if there were no air resistance? (b) If the projectile rises to a maximum height of only 8.71 m, determine the magnitude of the average force due
asked by susan 
physics
Why is this following situation impossible? A normally proportioned adult walks briskly along a straight line in the +x direction, standing straight up and holding his right arm vertical and next to his body so that the arm does not swing. His right hand
asked by Ania 
Question regarding career options
I have a few questions about my possible future! I plan on majoring in sports medicine and nutrition. Id also like to obtain my personal training degree while in college. I plan on one day also having my own gym franchise or business. As you can see, I
asked by Bryce 
math
Paula saw 5times as many beetles as spiders. She saw 6 more spiders than caterpillars. If Paula saw 50 insects and spiders,how many of each kind did she see?
asked by Nammy 
math
John has traveled from a distant planet to spend one earth year visiting with us. However, one year on earth is not the same as one year on john's planet. on john's planet: 10 seconds = 1 minute 10 minutes = 1 hour 10 hours = 1 day 10 days = 1 week 10
asked by Madison 
math
There are 5280 feet in 1 mile. how do you write 5280 in expanded notation
asked by mythreyee 
math
if the ratio of boys to girls is 5:4 and there are 135 student how many are girls
asked by Anonymous 
Math
In triangle XYZ, XY= 8 cm and YZ=6m. The area of triangle XYZ is 12cm^2. The 
asked by Nix 
algbera
if possibly completely factor the factor the expression(if the polynomial is not factorable using integers enter prime) x^2+10x+16
asked by missfubuc 
physics
A basketball player makes a jump shot. The 0.581 kg ball is released at a height of 2.02 m above the floor with a speed of 7.14 m/s. The ball goes through the net 3.10 m above the floor at a speed of 4.07 m/s. What is the work done on the ball by air
asked by Anonymous 
Math
Sara traces circle stencils for her project. She needs 4 rows of 6 circle stencils. She thought that 4 rows of 6 is the same as 3 rows of 8 and 2 rows of 8. Is this correct? Explain.
asked by Neo 
Mathbio in 12th science
When particle revolves with uniform speed on a circular path a)no force act on it b)no excellaration acts on it c)no work is done on it d)its velocity is constant answer this mcq
asked by Harsha 
math
The maker of a candy that comes in the color Blue, Red, White, Green, Pink and Tan. The proportion for Blue is 0.2, Red is 0.3, White is 0.1, Green is 0.2, Pink is 0.1 and Tan is 0.1. A single candy is drawn at random. Find the probability that a candy has
asked by Ana wheeler 
physics
A flexible metal sheet of length 6.0cm, breadth 5.00cm and the average thickness of 0.883cm has a mass of 23.00g. calculate the density of the metal
asked by betty 
Physics
A 0.135 kg ball is thrown straight up from 1.94m above the ground. Its initial vertical speed is 5.60 m/s. A short time later, it hits the ground. Calculate the total work done by the force of gravity during that time.
asked by Steeve 
Science
You know that a gas in a sealed container has a pressure of 111kPa at 23 Celsius. What will the pressure be if the temperature rises to 475 Celsius?
asked by Anna 
Math
What scale factor was used to enlarge the baby( 7 feet ) to the new height of 50 feet?
asked by Gaby 
CHEMISTRY
What element is represented by this electron ground state configuration : [Kr] 4d10 4f14 5s2 5p6 5d10 5f14 6s2 6p6 6d2 7s2 Is this really Krypton?
asked by Lena 
Physics
Roughly how high could a 370 K copper ball lift itself if it could transform all of its thermal energy into work? Assume specific heat for copper equal to 386 J/kg·K.
asked by Cristin 
College Calc
Problem: y=sqrtx ^1/x. Find DY/DX. ln(f(x))=lnx^1/2x or lnx to the 1/2x 1/2x lnx product rule (1/4x^2)(lnx)+(1/x)(1/2x) is the product rule correct? What do i do after this product rule?
asked by Phillip 
math
eric counted 45 finger to play kick ball How many hands went up?
asked by Janiya 
chemistry
write the equilibrium constant expression for each reaction a.) NH3(g)+ CIF3(g)>
asked by c chujor 
Account
Oral Corporation's beginning accounts receivable were $200,000 and ending accounts receivable were $270,000. During the period $500,000 cash was collected from customer credit sales. Calculate the amount of Oral Corporation sales on account during the
asked by Anton 
math
it is not less than 40. it is not greater than 70. it is not an odd number. it does not have an even number in the tens place. it does not have a 4 in the ones place. it does not have a 6 in the ones place. what is the mystery number?
asked by david 
business
why might a buyer want to participate in an industry consortium marketplace instead of setting up their own business
asked by mary 
Thank you
Thank you can you tell me why no one can help with my real question about ratios. I have submitted it twice now, it really has me confused and I don't know what to do. Please help me
asked by Maria 
Math
What is the derivative of: y = sin(1)sin^2(x^4)+sec^2(pix^2+x+1)
asked by Anonymous 
grammar
There are no bruits auscultated.
asked by april 
mathe
wie viele menschen sind in den letzten 500.000 jahren dazugekommen
asked by priyanka 
physics
A sports car is advertised to be able to stop in a distance of 60 m from a speed of 105 km/h. (a) What is its acceleration in m/s2? Incorrect: Your answer is incorrect. m/s2 (b) How many g's is this (g = 9.80 m/s2)? Correct: Your answer is correct.
asked by royaa 
Chemistry(Please answer)
How many chirality centers does the compound 1,3dibromo2,4dichloro5fluorocyclopentane have? This compound has three different elements, a Br which is repeated twice, a cl which is also repeatd twice, and a fluorine. I was thinking that the number of
asked by Hannah 
Powell Middle School
Math Question  How do you find out the answer to: What is 1/8 of 96. What is the formula?
asked by Ciara 
Physical Science
A block of ice at 0^\circ {\rm C} is dropped from a height that causes it to completely melt upon impact. Assume that there is no air resistance and that all the energy goes into melting the ice. What is the height necessary for this to occur.
asked by James 
literature
What story has the most descriptive imagery? The Necklace or The Vendetta by Guy de maupassant. Why?
asked by anonymous 
Physics
You are testing a new car in a windtunnel for road and wind resistance. At speed of 90.0 km/h you have found that 74.0 % of the total output power of an automobile engine is used in overcoming the resistance of the road and wind against the movement of
asked by Steeve 
math
2 1  = (xt3)=  (x5) 5 2
asked by zack 
Mathbio in 12th science
2)a stone of mass 1kg tied to one end of a string of length 1m whirld in a horizontal circle with a costant speed 2 radian/second tension of the string is. A)0.5n b)1n c)2n d)4n 3)the orbital velocity of a satelight close to the earth is v then the orbital
asked by Harsha 
American History
Did the TaftHartley act of 1947 strengthen the Wagner Act? I'm not really sure, but I thiiiiiiink it did.
asked by Shawna 
Math
Use the elimination method to solve a+6b=14 and a+3b=5
asked by Jeremy 
math
Can you show 2 hundredths using only tenths place value blocks?
asked by Jo 
math
Which is greater, 5.34 or 5.43? Do you have to look at the hundredths place to decide? Explain.
asked by Joeol 
Chem
Balance the chemical equation for the important industrial process: C2H4 + O2 + HCl → C2H4Cl2 + H2O. Given 610.0 kg of hydrochloric acid, calculate how many kg of C2H4Cl2 can be produced.
asked by DEN 
PHYSICS !!!!!!!!
A physicist grabs the ends of a DNA strand with optical tweezers and stretches it 28 . How much energy is stored in the stretched molecule if its spring constant is 0.046 ?
asked by Jcota2 
math/calc
gotta find the first and second derivative of f(x)=x^2/(x1) thanks for help!
asked by anon 
Calculus HELP PLEASE!!!
Find all extrema for the function y=x^52x^3+3 on the interval [10...10]
asked by Elizabeth 
algebra
Hooke's law states that the distance an object is stretched varied directly with the force exerted on the object. Suppose the force exerted by 7kg mass stretches a certain spring 5 cm. To the nearest 0.1 cm. how far will the spring be stretched by the
asked by Isaiah 
math
belinda measured the length of a board. it measured exactly 9 inches. then she cut the board in half. to the nearest inch, how long was each piece of board
asked by mythreyee 
Physics
A wooden block with mass 0.26{\rm kg} rests on a horizontal table, connected to a string that hangs vertically over a frictionless pulley on the table's edge. From the other end of the string hangs a 0.20{\rm kg} mass. What minimum coefficient of static
asked by Nichole 
math
Beth cuts her pizza into thirds, how many pieces did she eat?
asked by tyler 
zmath
Jenifers flower bed is in the shape of a right angle triangle. The shortest side is one/forth of the second shortest side. if the area is 18sqaured what are the lengths of all three sides? I NEED A ANSWER ASAP! PLEASE
asked by zack 
Calculus
The side of a square box is increasing at a rate of 4mm/s and its height is increasing at a rate of 2mm/s. How fast is the volume increasing when the side is 40mm and the height is 100mm. Can someone just tell me what formula to use?
asked by Greg 
Math
What is the scale factor of 30 inches to 7 feet
asked by Gaby 
Physics
Joyce and Efua are skating. Joyce pushes Efua, whose mass is 40 kg, with a force of 16 N. The force of friction between Efua's skates and the ice is 2 N. What is the magnitude of the net force exerted by Joyce on Efua?
asked by Savannah 
math
Hooke's law states that the distance an object is stretched varied directly with the force exerted on the object. Suppose the force exerted by 7kg mass stretches a certain spring 5 cm. To the nearest 0.1 cm. how far will the spring be stretched by the
asked by Isaiah 
Algebra Grade 7
If a bank offers a savings account that pays simple interest rate of 4% and you deposit $475.00 into this account, how much interest will you have earned after 3 years?
asked by rawr... im a dinosaur.... rawr 
algbera
simplify the expression (x+5y3z)(x4y+4z) is this right x^2+1y7z 2.(4x1)(x^2+6x6)
asked by missfubuc 
math
which is less 3 feet or 48 inches? Explain how you know?
asked by mythreyee 
Programming C
//compares the amount the user has in deposits to the price of app selected. //It returns 1 if the amount is enough to cover the cost, 0 if there is not enough. int Compare(double deposit, double choiceCost); how do you get this function to compare return
asked by Anonymous 
math
is the set of positive integers the same as the set of nonegative integers? explain please
asked by Taylor 
Geometry
What Is the measures of 6y + 3 and 4y  13
asked by Anonymous 
Social Studies
Two advantages and disadvantages of proportional reprensentation.
asked by Juanita 
math 7th grade
what is 234(21+1092924+18) ?
asked by allie 
Calculus L'Hopital Rule
lim x>0 (x)sin(x)/1cos(x). They both go to 0 so 0/0. now take L'H and product rule of top? lim x>0 (1)sin(x)+ cos(x)(x)/1cos(x) what next? how do i solve from here?
asked by Greg 
literature
what is the difference between drama and poetry?
asked by michelle tutt 
trigonometry
There is a plane arriving into Denver, CO. The plane is landing with an angle of depression of 42°. The plane is 18,000 feet off of the ground. Find how far the plane will travel horizontally before hitting the ground. (Round to the nearest hundredth)
asked by chana 
math
3(2K5)K=4(3K plus 7)
asked by zack 
math
Jenifers flower bed is in the shape of a right angle triangle. The shortest side is one/forth of the second shortest side. if the area is 18sqaured what are the lengths of all three sides? I NEED A ANSWER ASAP! PLEASE I NEED ALL THREE SIDES. NOT 2.. :p
asked by zack 
trigonometry
Dwight Howard is playing center for the Los Angeles Lakers. During the game, he blocks a shot. When Howard blocks the ball, he is 12 feet off of the ground (including his height). The ball is hit down at an angle of depression of 63°. Find the distance
asked by mimi 
Physics
A race car starts from rest on a circular track of radius 500 m. The car's speed increases at the constant rate of 0.520 m/s2. At the point where the magnitudes of the centripetal and tangential accelerations are equal, find the following. a)speed of the
asked by Karrine 
Science math
Can no one help me? I posted a question earlier I don't need answer I need to understand what I did wrong my thinking is that if I have a 2:1 ratio And my total is 99 that if I divide by 3 then I can get the amounts 33x2 is 66, then 33x1 is 33 so it would
asked by Maria 
physics
a metal crate with a mass of 500 kg is pushed across a metal floor for 5 minutes.50N is applied horizontally.box does not move, extra 50 N is applied.after 2 minutes then box moves 4meters,how much work is done
asked by Mae 
geometry
the vertices of a triangle are p(2,8, q(8,7)and r(5,6). name the vertices of the image refected in the xaxis?
asked by stephanie 
Physics
In midnineteenth century England horses were often used to pull barges along canals. The horse, naturally, trudged along a path parallel to the canal and so the rope to the barge was at an angle to the motion of the barge. a) If such a horse was pulling
asked by Steeve 
math
Assuming the sequense... _,2,_,_,27/4 Is geometric find the missing terms and the formula for t(n)
asked by brandon 
Shakespeare's Definitions
What is shakespears definition of: love, comedy, confusion, and marriage based on a midsummer nights dream? Im stuck! I also need to provide examples from the play
asked by Bryce 
English
Hello. I'll be grateful for your help. Is it possible to use ing forms after the verbs "ban", "prohibit" and "forbid", for example: 1)The government bans funding such organizations. 2)The state prohibits using such technologies. 3)French law prohibits
asked by Nalmi 
Math
I have 1500 dollars in year 2010 in what year would i reach 2000 dollars at 4% interest?
asked by Rachel 
science
How is a drop of water an element? PLEASE HELP!!!
asked by Elijah 
English
Can any one help me on an essay about importance of education
asked by Shan 
arithmetic
$30.00 x .6/2$17.50=
asked by sarah 
chemistry
write equilibrium constant expression for each reaction. a) The oxidation of ammonia with CIF3 in a rocket motor NH3(g) + CIF(g)>
asked by john 
business
describe 3 departments that should be included in a small towns web site
asked by mary 
Math 208
The number N of state and federal inmates in millions during year x, where x is greater then but equal to 2002 can be approximated by the following formula. N=0.04x78.48 Determine the year in which there were 1.8 million inmates.
asked by Jolic 
Math
I think maybe this is a hoax, I listed same problem that I am having twice and no one can answer it? It is in my eitgth grade class. Let's see if this is for real what is 2+2?
asked by Maria 
MATH
300% OF WHAT AMOUNTS TO $150.00
asked by booker 
5th grade math
About 7/10 of the US population in 1991, which was 175,104,000, believed that look before you leap was true, what was the total population?
asked by Renae 
Maths
In triangle PQR, PQ= 7 cm, QR=5 cm and 
asked by Anonymous 
math
in a rectangular with a perimeter of 30 inches two parallel and equally spaced creases are made the cardboard is then folded to make a triangular prism with open ends that are equilateral triangles you will maximize the volume how do i solve this?
asked by nicole 
math
9x8=4x+87
asked by aliyah 
Account  Really need help!
Oral Corporation's beginning accounts receivable were $200,000 and ending accounts receivable were $270,000. During the period $500,000 cash was collected from customer credit sales. Calculate the amount of Oral Corporation sales on account during the
asked by Anton 
phyiscal chemistry
Moving from solid to liquid by changing the pressure, so what happend if u decrease the pressure on a solid at constant temperature?
asked by Lisa 
future job
what do thet mean when they say Outlook:stable,increasing Job Openings: large number and very small number
asked by zach 
Chemistry
The pH of a solution of hydrochloric acid is 1.97. What is the molarity of the acid?
asked by Anonymous 
7th grade science
how does the dna of prokaryotic and eukaryotic cells differ?
asked by jace 
6th grade math
Derek wrote 8,9,12 and 15 on the black board. Which pairs of theses numbers are relatively prime? my answer is 8,and 9. and 8,15. am i right if not please tell me the answers.
asked by miki 
World Geography
What were the factors that played a significant role in the collapse of Russian control over Eastern Europe?
asked by susie 
math
A 4digit number. The sum of its digits is 18. The last two digits are 5 times as much as the first 2 digits. The hundreds and ones places have the same digit.
asked by Braden 
Math
Carrie is fencing a sq. garden with 52 sq. ft. of fencing. How many ft of fencing will Carrie use on each side?
asked by Susan 
geometry
describe in detail two ways you could find the height of the tree indirectly. explain your methods give specific measurments you make directly show how you can use these measurements to find the objects height
asked by donta 
Algebra 2
(20r)^(1/2)= r
asked by Bart 
Statistic
Number of Absences Final Grade 0 93 1 93 2 77 3 68 4 65 5 54  Find the correlation coefficient for the data. I got this part of my answer. I believe the answer to be 0.9767 I am just going crazy with the second part.  Find the equation for the
asked by Ashley S 
algerbra
Using pointslope form, write the equation of the line that passes through (2, –1) and has a slope of –5.
asked by desire 
math
2 1  = (xt3)=  (x5) 5 2
asked by zack 
sfdsgfdsgg
2 1  = (xt3)= (x5) 5 2
asked by zack 
sociology
the creation of a minority group status largeley depends on what?
asked by beky 
Chem
A cylinder in your car holds 0.45 liters maximum at 760 Torr. When the cylinder is closed to 0.1 liters what is the pressure?
asked by Anonymous 
math
2  = (xt3) 5 its one qustionput it together 1 =  (x5) 2
asked by zack 
Mathbio in 12th science
When particle revolves with uniform speed on a circular path a)no force act on it b)no excellaration acts on it c)no work is done on it d)its velocity is constant answer this mcq
asked by Harsha 
gr 8 math
x8 x plus 4 ___ = ________ 3 2
asked by zack 
algebra 2
find the area of the sector of the disk of radius r=16 and with arc length s=16
asked by Emily 
math
x8 ..x plus 4 ___ = ________ 3 .......2
asked by zack 
Algebra I
How do you write an equation for the linear function shown in the table? X f(x) 3 8 3 4 6 2 9 0 Please help and explain how to do this. Thank you :)
asked by Vanilla Bear 
math gr9
2..........1  = (xt3)=  (x5) 5..........2 DONT WORRY ABOUT THE DOTS..
asked by zack 
englsh
The following arguments contain various kinds of fallacies. Evaluate each and identify the fallacy using the matching list 1. How can Clinton be leading this country? He's a draftdodging, potsmoking womanizer! 2. Michael Jordan wore that brand, so those
asked by m 
math gr9
1  (X1)=4 3
asked by zack 
Calculus
Find the first and second derivative for the function g(t)=t^2(3t+1)^4
asked by Anonymous 
chemistry
neon gas is cooled and volume goes from 380L to 250ml and the final temperature is 55 Celsius what is the original temperature??
asked by stephany 
math gr9
b4....5 ___ =____ 3.... 1 DONT WORRY ABOUT THE ......
asked by zack 
Math
Why did bono hit his sister during the game?
asked by Anonymous 
Math
If the product of two numbers is 24 and the LCM is 12, what are the two numbers?
asked by Trino 
gr 9 math
3=3 ..(P1) 4
asked by zack 
Algebra 2
consider the interior angles of the triangle with vertices p=(=4.39,0,948) q=(3.03,8.31) r=(4.21,6.54) find the angle of the vertex of p answer in units of degrees find the angle of vertex q answer in units of degrees
asked by Emily 
Calculus
(x) = x ^3  12 x + 11, write the equation of the line tangent to the curve at x = 1
asked by Kerry 
math
i know the square root of 36 is 6 but wat if their was a negative sign in side the square root box. Then one outside the box not inside and one on both places
asked by jr 
Calculus HELP PLEASE!!!
Find all extrema for the function y=x^52x^3+3 on the interval [10...10]
asked by Elizabeth 
calculus
what is the integral of (e^x)/(sqrt(9(e^2x))25)?
asked by collegestudentstruggles 
Physic
Salmon, swimming up the Fraser river to their spawning grounds, leap over all sorts of obstacles. The unofficial salmonaltitude record is an amazing 3.54 m jump (vertical distance). Assuming the fish took off at 45.0 degrees, what was its speed on
asked by Steeve 
Math
Middletown to star city is 232 miles. Middletown to Rileyville is 136 miles in the same direction. About how far is it Rileyville to Star city to the nearest hundred? How much difference is there between your estimate and the exact number of miles?
asked by Ashley 
math
Middletown to star city is 232 miles. Middletown to Rileyville is 136 miles in the same direction. About how far is it Rileyville to Star city to the nearest hundred? How much difference is there between your estimate and the exact number of miles?
asked by Ashley 
math
A number made up of the digits 4,5,and 6 is subtracted from a number made up of the digits of 0,2,8. The difference ia 157. Write out the entire problem?
asked by AA 
Science
Can a barge carry a heavier load without sinking in fresh water or salt water
asked by Dalia 
Algebra Grade 7
Convert 45 miles per hour to feet per hour. Round your answer to the nearest hundredth, if necessary.
asked by rawr... im a dinosaur.... rawr 
math
If a retailer buy a dozen of ruler for #3.50 each,what is its makeup percentage?
asked by peres 
Algebra 2
Is a sequence a function?
asked by Anonymous 
12th science (mathbio) biology
Two plants biological information
asked by Harsha 
MATH
A continuous function, f, has domain all real numbers. If f(1) = 5 and f(1) = 5, explain why f must have at least one zero in the interval [1, 1].
asked by LASHUNDA b 
Math
the end point of a line segment is (3,7) and the midpoint is (11) find the other endpoint
asked by Matt 
MATH
A continuous function, f, has domain all real numbers. If f(1) = 5 and f(1) = 5, explain why f must have at least one zero in the interval [1, 1].
asked by LASHUNDA b 
American National Government
Several controversial Supreme Court cases have come out of GITMO. One fundamental question that has been debated, but not clearly resolved, is to what extent the war on terror justifies the President's indefinite detention of "enemy combatants" without the
asked by bobbiejo 
Health
what type of bacteria is streptocoque
asked by Health 
chemiswtry
in a lab there is a spill of 47.5ml of .500 mol/l NaOH how many grams of Sulfuric acid is needed to neutralizethe spill
asked by kim 
chemistry
5.22kg of H2 reacts with 31.5kg of N2, which one is the limiting reactant?
asked by rose 
math
What is 7% of 360? How do I figure it out
asked by Gabriel 
math
an object is 18 x 23 inches. how many square inches is that?
asked by diane 
Health
what is the similarities between in home and community care and residental care facility
asked by jessica 
Math
How to change percent to fraction. 75%=
asked by Deb 
CHEMISRY
While in Israel you run into a group of people who are headed for the Rocky Mountains. You have always wanted to climb to the top of Pike's Peak and decide to join them. Pike's Peak has an altitude of 4300 m. What has happened to the atmospheric pressure?
asked by Desiree 
Finite! please help
an unfair coin with pr[tails]= .15 is flipped 6 times. what is the probability of getting AT LEAST 1 tail in the 6 flips?
asked by Anonymous 
FINITEEEE
An NBA player makes a successful freethrow 80% of the time. Find the probability that he is successful at least 4 times in 5 attempts?
asked by Anonymous 
math
Jenifers flower bed is in the shape of a right angle triangle. The shortest side is one/forth of the second shortest side. if the area is 18sqaured what are the lengths of ALL THREE SIDES? I NEED A ANSWER ASAP! PLEASE
asked by zack 
English
Locate the complete gerund or infinitive phrase and identify its use. Her motive was to keep peace in the family. Verbal Phrase: Use:
asked by Taylor 
math
what is 837 divided by f
asked by rose 
simplify expression
1y2(y6)
asked by Bosley 
Force Physics
A block with a mass of 12 kg and a sphere with a mass of 10 kg is suspended by two spring scales. What is the reading on the top and bottom scale?
asked by Sam 
Math
in a village there are 100 houses. there is a dog in 90 houses, a cat in 80 houses, a rabbit in 75 houses and a turtle in 65 houses. Among those 100 houses, how many, at least, have a dog, a cat, a rabbit, and a turtle?
asked by Thander 
Chemistry
Why is the temperature needed to freeze ocean water lower than the temperature needed to freeze the surface of a freshwater lake?
asked by Anonymous 
Social Psychology
Can someone give me examples of some Alpha Strategies and Omega Strategies? Note:I just need to get some ideas. My textbook have 2 Tables by (Knowles & Linn, 2004) which did NOT help much.
asked by Shay 
Business Ms. Sue
Reflecting on Visual Literacy in Business list five takeaway’s. Explain why the five takeaway’s are relevant to you. Then, describe at least one concept that is either still unclear to you, or one you’d like to explore further.
asked by Quita 
lens surface
A spherical generator is used to produce a 15.00D surface on glass of refractive index 1.80. The diameter of the cutting tool is 80mm and the radius of the cutting surface is 4mm. What is the angle between the axis of the tool and the axis of the lens? Do
asked by kelly 
english 3 A
Which one of the following is not an example of Puritan literature? A. Magnalia Christi Americana B. The SotWeed Factor C. The Bay Psalm Book D. The Day of Doom
asked by karen