Questions Asked on
February 2, 2014

CALCULUS PLEASE HELP!!!
SHOW WORK PLEASE!!! The displacement (in centimeters) of a particle moving back and forth along a straight line is given by the equation of motion s = 2 sin πt + 3 cos πt, where t is measured in seconds. (Round your answers to two decimal places.) (a)
asked by TENSHI 
Science (Chemistry)
A student mixes 35.0 mL of 2.82 M Pb(NO3)2(aq) with 20.0 mL of 0.00221 M Na2C2O4(aq). How many moles of PbC2O4(s) precipitate from the resulting solution? What are the values of [Pb2 ], [C2O42–], [NO3–], and [Na ] after the solution has reached
asked by Anon 
Science
Which of the following best summarizes the function of the respiratory system? A. to transport oxygen to cells and wastes away from cells. B. to protect the organs in the chest cavity C. to move oxygen from the air into the body and carbon dioxide from the
asked by Anonymous 
Chemistry
What mass in grams of a 0.500 m(molal) solution of sodium acetate, CH3CO2Na, in water would you use to obtain 0.200mol of sodium acetate?
asked by Jessica 
Science
Which of the following would be true during the inhalation phase of breathing? A. lungs are inflated, oxygen concentration is high, and carbon dioxide concentration is low in the alveoli. B. lungs are deflated, oxygen concentration is high, and carbon
asked by Anonymous 
Science
Name the components of the respiratory system in the order incoming air would encounter them during breathing. A. trachea, pharynx, larynx, alveoli, bronchi B. bronchi, larynx, alveloi, trachea, pharynx C. larynx, trachea, bronchi, pharynx, alveoli D.
asked by Anonymous 
Ap Chemistry
a mixture contains only sodium chloride and potassium chloride. a .1586g sample of the mixture was dissolved in water. it took 22.90 mL of 0.1000 M AgNO3 to completely precipitate all the chloride present. what is the composition(by Mass percent) of the
asked by Blanca 
Science
Name the components of the respiratory system in the order incoming air would encounter them during breathing. A. trachea, pharynx, larynx, alveoli, bronchi B. bronchi, larynx, alveloi, trachea, pharynx C. larynx, trachea, bronchi, pharynx, alveoli D.
asked by Anonymous 
MATHS
Two different schools (A and B) have the same number of pupils. The ratio of the boys in school A and the boys in school B is 2:1 and the ratio of the girls in school A and the girls in school B is 4:5. Find the ratio of the boys in school A to the girls
asked by LARA 
Physics
A student drops a rock from a bridge to the water 10.1 m below. The acceleration of gravity is 9.8 m/s^2. With what speed does the rock strike the water? Answer in units of m/s.
asked by Fabricus 
south carolina history
explain how attacks by abolitionists strengthened sectionalism in the south. please help i have no clue on what to write to get full credit or at least 2 out of 3 credit please help me all i need is like a artical on this but if you could give me like a
asked by runtafus 
Physics
In a relay race, runner A is carrying a baton and has a speed of 3.0 m/s . When he is 25M behind the starting line, runner B starts from rest and accelerates at .10 m/s^2. How long afterwards will A catch up with B to pass the baton to B?
asked by Jami 
Physics
A blue ball is thrown upward with an initial speed of 19.6 m/s, from a height of 0.5 meters above the ground. 2.4 seconds after the blue ball is thrown, a red ball is thrown down with an initial speed of 7.9 m/s from a height of 22.1 meters above the
asked by Cam 
chemistry
How many grams of Na2CO3 are present in 18.4 mL of a 34.0% Na2CO3 solution. The density of the solution is 1.10 g/mL.
asked by britney 
Social Studies and Literature
1. How persuasive do you think King's speech is? 2. What specific aspects of the speech make it so? A: 1. I think the King's speech is highly persuasive, given the fact that it influenced the Federal government to take more direct actions to more fully
asked by Anonymous 
Physics
A man at point A directs his rowboat due north toward point B, straight across a river of width 100 m. The river current is due east. The man starts across, rowing steadily at 2.50 m/s and reaches the other side of the river at point C, 150 m downstream
asked by Marissa 
Math
The bowl has 3 strawberries, 2 bananas and 1 apple. What fraction of the fruit in the bowl is bananas?
asked by Trudy 
chem lab
If the object was resting on the bottom of the beaker during Archimedes determination what happens to the weight
asked by amy 
maths
One pump fills a tank two times as fast as another pump. If the pumps work together they fill the tank in 18 minutes. How long does it take each pump working alone to fill the tank?
asked by Tim 
Chemistry
Draw the Lewis Structures of the following compounds: CH3CH3CH3COH, H2NCOCH3, HCCCH2OH.
asked by Anonymous 
Physics
A hammer thrower accelerates the hammer (mass = 7.30 kg) from rest within four full turns (revolutions) and releases it at a speed of 21.0 m/s. Assuming a uniform rate of increase in angular velocity and a radius of 0.80 m, calculate the angle of this
asked by Liam 
Science
Pneumonia is a disease that causes fluid to build up in the alveoli of the lungs. Which of the following would you expect to be impaired in patients with pneumonia? A. movement of carbon dioxide out of body cells. B. movement of carbon dioxide out of the
asked by Anonymous 
Literature
in "i am offering this poem" what is the rhyme scheme of stanza 1
asked by Fabiola 
geometry
how does the volume of an oblique cylinder change if the radius is reduced to 2/9 of it's original size and the height is quadrupled?
asked by Anonymous 
Algebra 1
How do you find an expression that represents the area of a triangle? How do you find an expression that represents the area of a rectangle? I just need examples..
asked by Gabby 
math
A property dealer charges commission at the rate of 2% on the first Rs 200000 .1% on the next Rs 200000 and 0.5% on the remaining price .find his commissiom on the on the property that has been sold for Rs 540000.
asked by ashish 
Chemistry
A student cleaned a crucible with HCl. After pouring the HCl into the waste container, the crucible was neither rinsed with water or dried before the student added the NaHCO3 and KCl mixture. The crucible contained some residual HCl. How would this
asked by Sandy 
Analytical chemistry
How many grams of solid CuSO4. 5H2O are needed to prepare a 500 ml of a 1000 ppm solution of Cu?
asked by Lori 
Physics
A severe thunderstorm dumped 2.4 in of rain in 30 min on a town of area 35 km2. What mass of water (in kg) fell on the town? One cubic meter of water has a mass of 103 kg.
asked by Catherine 
English
Please correct!! Gulliver's Travels questions 3.) How are the people of Brobdingnag different from the people of Lilliput? Choose the best answer. A.) The Lilliputians are much more peaceful B.) A king instead of a queen rules the Lilliputians, C.) The
asked by McKale 
trig
Your search for A surveyor is trying to determine the width of a river. He forst stands at point A, directly opposite a tree at point B. He then walks 100 feet to point C. He measures the acute angle at point C to be 79 degrees. What is the width of the
asked by Tee 
Mcc
M. Cotteleer Electronics supplies microcomputer circuitry to a company that incorporates microprocessors into refrigerators and other home appliances. One of the components has an annual demand of 250 units, and this is constant throughout the year.
asked by Yaw 
chemistry
the suction filtration flask has been taped with strong black tape. Why was this safety precaution a good idea?
asked by CeeCee 
Psychology (statistics)
In an English class last semester, Foofy earned a 76 1X 5 85, SX 5 10). Her friend, Bubbles, in a different class, earned a 60 1X 5 50, SX 5 4). Should Foofy be bragging about how much better she did? Why?
asked by Joy 
Physic
a charge of 1.0x10^6 uC is located inside a sphere. What is the flux through the sphere?
asked by Belina 
Math Ratio or Proportion
If jogging for one miles uses 150 calories and walking for one mile uses 100 calories, a jogger has to go how many times as far as a walker to use the same number of calories?
asked by Angela 
Statistics
In a normal distribution of scores, four participants obtained the following deviation scores: 11, 22, 15, and 210. (a) Which score reflects the highest raw score? (b) Which score reflects the lowest raw score? (c) Rankorder the deviation scores in terms
asked by Joy 
Science
Which of the following best summarizes the function of the respiratory system? A. to transport oxygen to cells and wastes away from cells. B. to protect the organs in the chest cavity C. to move oxygen from the air into the body and carbon dioxide from the
asked by Anonymous 
Statistics
As part of studying the relationship between mental and physical health, you obtain the following heart rates: 73 72 67 74 78 84 79 71 76 76 79 81 75 80 78 76 78
asked by Sammie 
chemistry
the sand originally white, was a light pink after drying. How could the student improve the color of sand further?
asked by CeeCee 
chemistry
3H2+N2=2NH3 if 2.70 g of H2 reacts with jugful of N ,how many grams of NH3 is formed?
asked by Anonymous 
URGENT PHYSICS
A hammer thrower accelerates the hammer (mass = 7.30 kg) from rest within four full turns (revolutions) and releases it at a speed of 21.0 m/s. Assuming a uniform rate of increase in angular velocity and a radius of 0.80 m, calculate the angle of this
asked by Sam 
Physics
A test rocket is launched by accelerating it along a 200.0m incline at 1.25m/s2 starting from rest at point A (the figure (Figure 1) .) The incline rises at 35.0 ∘ above the horizontal, and at the instant the rocket leaves it, its engines turn off and
asked by christina 
Chemistry
About 50% of U.S. and most Canadian sulfur is produced by the Claus process, in which sulfur is obtained from the H2S(g) that occurs in natural gas deposits or is produced when sulfur is removed from petroleum. The reactions are described by the equations
asked by Gina 
physics
A woman on a bridge 104 m high sees a raft floating at a constant speed on the river below. She drops a stone from rest in an attempt to hit the raft. The stone is released when the raft has 9.78 m more to travel before passing under the bridge. The stone
asked by evy 
physics
3. A man leaves his home by car and travels 5 km on a road running due East. The driver then turns left and travels 2 km due north to a junction where he joins a road that goes North West and drives a further 2 km. Find his displacement from home by then.
asked by karen 
Statistics
In a normal distribution of scores, four participants obtained the following deviation scores: +1, 2, +5, and 10. (a) Which score reflects the highest raw score? (b) Which score reflects the lowest raw score? (c) Rankorder the deviation scores in terms
asked by Sammie 
science(2 Qs)
PLEASE ANSWER MY 2 QUESTIONS IN SCIENCE THANKS 3.when a negatively charged object moves in the opposite direction of an electric force field,the potential energy of the object. A.becomes zero(I PICK THIS) B.increases C.decreases D.stays the same 4.the two
asked by Anonymous 
Literature
These questions regard "There Is a Longing" by Chief Dan George. Do you think Chief's goal of achieving success through education and skills is the best means for improving his people's lives? Explain. A: Yes, because, by doing so, he will set an example
asked by Anonymous 
chemistry
A student dried a wet crucible with a Kimwipe. A piece of Kimwipe was left clinging to the inside wall of the crucible, The student did not see the piece of Kimwipe when adding the NaHCO3KCl mixture to the crucible. The crucible ans its contents were
asked by Sandy 
CHemistry
At 1 atm, how much energy is required to heat 35.0 g of H2O(s) at –12.0 °C to H2O(g) at 127.0 °C?
asked by Ryan 
chemistry
The laboratory tech accidentally mixed NaHCO3 with BaCl22H2O instead of KCl when preparing unknown mixture for this experiment. How would this mistake affect the calculated percentage of NaHCO3 in the mixture? Justify answer with an explanation. Is it
asked by Sandy 
Science (Chemistry)
A student mixes 35.0 mL of 2.82 M Pb(NO3)2(aq) with 20.0 mL of 0.00221 M Na2C2O4(aq). How many moles of PbC2O4(s) precipitate from the resulting solution? What are the values of [Pb2 ], [C2O42–], [NO3–], and [Na ] after the solution has reached
asked by Anon 
Physics
A man 2m tall whose eye level is 1.84m above the ground looks at his image in a vertical mirror. If the man is to be above to see the whole of his body, determine the minimum length of the vertical mirror
asked by Williams 
Math
A car is moving at a rate of 60 miles per hour. the diameter of the wheels are 2.6 ft. how do you find the revolutions per minute that the wheels are rotating?
asked by Anonymous 
Social Studies
What are some advantages and disadvantages of a reorganised family?
asked by Juanita 
Physics
A red ball is thrown down with an initial speed of 1.2 m/s from a height of 25 meters above the ground. Then, 0.6 seconds after the red ball is thrown, a blue ball is thrown upward with an initial speed of 22.9 m/s, from a height of 0.8 meters above the
asked by Cam 
physics
a crew member is walking on a tugboat that is pulling a barge. the tugboat is moving at a constant speed upstream in a river that has a constant downstream current. In the situation above, what is at rest relative to the tugboat?
asked by judy 
science(2 QUESTIONS)
PLEASE ANSWER MY 2 QUESTIONS IN SCIENCE THANKS 3.when a negatively charged object moves in the opposite direction of an electric force field,the potential energy of the object. A.becomes zero(I PICK THIS) B.increases C.decreases D.stays the same 4.the two
asked by Anonymous 
Language arts(CHECK ANSWERS)
please check answers for my language arts. 1.which of the following sentences is punctuated correctly? A.i watched a movie with jane.(I PICK THIS) B.sasha,have you met tim? C.i thought you were going to be here at 6:00 celia. 2.which of the following
asked by Anonymous 
Can u check my answer? U.S History
"I consider the foundation of the Constitution as laid on this ground: That "all powers not delegated to the United States, by the Constitution, nor prohibited by it to the States, are reserved to the States or to the people." [10th Amendment] To take a
asked by Cassidy 
Math
a map of Vicksburg Mississippi has a scale of 1 mile to the inch. The map has been reduced so that 5 inches on the original map appears as 1.5 inches on the reduced map. The distance between two points on the reduced map is 1.75 inches. What is the actual
asked by Micah 
Physical Science
Explain the energy conversions that occur as a basketball falls, hits the ground, and bounces back up. Ignore frictional forces.
asked by Alex 
Physics
Wind is blowing toward south at 8m/s, a runner jogs west at 7 m/s. What is the velocity (speed and direction) of the air relative to the runner?
asked by Curtis 
Math 20.1
A baseball is hit into the air and its height (h), in feet, above the ground after a time (t), in seconds, is modelled by the quadratic equation: h(t) = –16t 2 + 96t + 3. a) What is the maximum height of the ball? b) How much time does it take to reach
asked by MoMoney 
Statistics
Please help me with this question: For an IQ test, we know the population 5 100 and the X 5 16. We are interested in creating the sampling distribution when N 5 64. (a) What does that sampling distribution of means show? (b) What is the shape of the
asked by Tonya 
chemistry
I have to prepare a 0.2% water solution of npropanol and a water solution of methanol and isopropanol at 0.2% that can be in the same container. It didn't specify but I'm pretty sure the solutions are v/v%. For the npropanol a 0.2% solution should just
asked by making solutions 
chemistry
A camper obtained a sample of water from a mountain stream for cooking, but the water appeared to be cloudy with silt. What would be the best method of separating the silt from the water?
asked by CeeCee 
math
Find an expression for a cubic function f if f(5) = 240 and f(−3) = f(0) = f(6) = 0.
asked by carol 
Chemistry
N2(g) + O2(g) → N2O5(g) What volume of oxygen gas reacts to yield 750.0 cm3 of N2O5? The reaction conditions are 350°C and 2.50 atm pressure. 2N2 + 5 O2 = 2N2O5 I balanced correctly. What is my next step to solve this problem. I am confused and I want
asked by Harry 
Algebra
On Jan 1, 2010, Chessville has a population of 50,000 people. Chessville then enters a period of population growth. Its population increases 7% each year. On the same day, Checkersville has a population of 70,000 people. Checkersville starts to experience
asked by Anonymous 
science
How often would a restriction enzyme such as Not I, which has 8 nucleotides in its recognition sites 5’GCGGCCGC3’, cleave DNA on average? Would it cleave a species DNA more or less often if the DNA from that species were 70% AT rich?
asked by Lindsey 
English
Write the possessive form of the noun in parentheses. 1/ (Estelle) dentist looked at her teeth. Answer: Estelle's 2/ The (dentist) nurse helped him. Answer: dentist's 3/ Her ( mother) car was parked outside. Answer: mother's 4/ her (brother) appointment
asked by Nawaf 
Physic II
A flat 1.0 m2 surface is vertical at x = 2.0 m and parallel to the yzplane. What is the flux through the surface if it is located in a uniform electric field given by E = 25.0i + 42.0j + 62.0k N/C? Please show explanation
asked by Johnathan 
Math
The sum of the first n terms of an arithmetic series is given by: Sn=5/2n^2 + 7/2n. Determine: 3.2.1 The common difference. 3.2.2 The tenth term
asked by Apiwe 
math
The range of f(x) = ax + b is the set of all real numbers given that a and b are real numbers. Which produces a counter example to her statement?
asked by lee 
Statistics
As part of studying the relationship between mental and physical health, you obtain the following heart rates: 73 72 67 74 78 84 79 71 76 76 79 81 75 80 78 76 78 In terms of differences in heart rates, interpret these data using the following: (a) the
asked by Tonya 
Chemistry
At 1 atm, how much energy is required to heat 35.0 g of H2O(s) at –12.0 °C to H2O(g) at 127.0 °C?
asked by Ryan 
Chemistry
N2(g) + O2(g) → N2O5(g) What volume of oxygen gas reacts to yield 750.0 cm3 of N2O5? The reaction conditions are 350°C and 2.50 atm pressure
asked by Harry 
Psychology
For an IQ test, we know the population _ 5 100 and the _X 5 16. We are interested in creating the sampling distribution when N 5 64. (a) What does that sampling distribution of means show? (b) What is the shape of the distribution of IQ means and the mean
asked by Joy 
math
Solve for in the equation x2  3x  40 = 0.
asked by lee 
Math
The frame for a shipping crate is to be constructed from 24feet of 2x2 lumber. If the crate is to have square ends of side x feet, express the outer volume v of the crate as a function of x (disregard the thickness of he lumber). Well, I know that v=lwh,
asked by Anonymous 
law
Ron supervises delivery of flowers for a wholesale distributor of fresh flowers, Flowers. Inc. In order to accommodate one of the company’s best customers, Ron offers to immediately rush a delivery of fresh peonies. All of the delivery trucks are
asked by Anonymous 
Chemistry Lab
So I did a kinetics lab on the rate of reaction of peroxydisulfate ion with iodide ion. Part 1 was the effect of concentration. One of the questions asked is to calculate the amount of thiosulfate consumed in moles. My results for trial 1 were (Times taken
asked by Anonymous 
Statistics
Assume that the data in question 25 reflect a highly skewed interval variable. (a) What statistics would you compute to summarize these conditions? (b) We compute them to be 14, 12, and 8.5, respectively. What conclusion about the study should you draw?(c)
asked by Sammie 
Principles of Macroeconomics
Which of the following is the largest source of funds for the federal government? I am thinking either (B) OR (D) a. property taxes b. borrowing c. excise taxes d. income taxes e. tariffs
asked by Kathy 
Physics
Grains of fine California beach sand are approximately spheres with an average radius of 50 μm and are made of silicon dioxide, which has a density of 2.4 × 103 kg/m3. What mass of sand grains would have a total surface area (the total area of all the
asked by Catherine 
Physic II
A flat disk 1.0 m in diameter is oriented so that the plane of the disk makes an angle of π/6 radians with a uniform electric field. If the field strength is 491.0 N/C, find the electric flux through the surface. Please show step by step
asked by John 
Statistics in Psychology
QUESTION 25: In a study you obtain the following data representing the aggressive tendencies of some football players:40 30 39 40 41 39 31 28 33(a) Researchers have found that is 30 in the population of nonfootball players, 1X 5 5. 2 Using both tails of
asked by Tonya 
algebra
Mike needs at least a 75% average to pass his math course. The class contains 5 exams that are equally weighted. If he scored a 64%, 86%, 71%, and a 90% on the first 4 exams, what score does he need on the final exam to earn at least a 75% in the class?
asked by Harry 
Psychology (statistics)
Assume that the data in question 25 reflect a highly skewed interval variable. (a) What statistics would you compute to summarize these conditions? (b) We compute them to be 14, 12, and 8.5, respectively. What conclusion about the study should you draw?
asked by Joy 
physics
Find the force of gravity between a newborn baby (mass = 2.9kg ) and the planet Mars (mass = 6.4×1023kg), when Mars is at its closest to Earth (distance = 5.6×1010m).
asked by bob 
math
The equation of a line is y = mx  1. Find the value of m if the line passes through the point (2, 3).
asked by cassy 
Spanish
I have to a write a song using all of the irregular preterite verb forms of hacer, tener, estar, and poder. I know what each of the verbs mean but I am having trouble coming up with ideas for the song. Help?
asked by Anonymous 
Chemistry
SO2(g) + O2(g) → SO3(g) What volume of sulfur dioxide gas reacts with 15.0 L of O2? The reaction conditions are 875°C and 1.00 atm pressure
asked by Harry 
Chemistry
N2(g) + O2(g) → N2O5(g) What volume of oxygen gas reacts to yield 750.0 cm3 of N2O5? The reaction conditions are 350°C and 2.50 atm pressure. I balanced the equation 2N2+2O2 = 2N2O5 BUT I AM NOT GETTING THE CORRECT ANSWER, WHAT AM I DOING WRONG?
asked by Harry 
math
the melt in your mouth chocolate factory is a rectangular building. the distance across the front of the store is 28 yards. the distance from the front to the back of the building is 12 yards. if the owners want to put up a fence around the outside of the
asked by kevin 
PSY
In an English class last semester, Foofy earned a 76 1X 5 85, SX 5 10). Her friend, Bubbles, in a different class, earned a 60 1X 5 50, SX 5 4). Should Foofy be bragging about how much better she did? Why?
asked by Joy 
Health
what would be the best resource to learn more bout martial arts. a phone book b dance studio c local bait shop d public golf course my answer is a
asked by Steve 
Statistics
If I choose 5 cards at random, how many ways are there to get a full house?
asked by Tammie 
keiser university
Healthcare Finance Questions 1. Community Hospital has annual net patient revenues of $150 million. At the present time, payments received by the hospital are not deposited for six days on average. The hospital is exploring a lockbox arrangement that
asked by Elizabeth 
Geometry
Trying to find the scale for a 77 centimeter by 53 centimeter painting to fit on a 8.5 by 11 inch paper. Please show me how
asked by RR 
Social Studies
In what ways did the Treaty of Versailles and the Great Depression help bring Hitler to power?
asked by Tommy 
math
Find an equation of the circle that has center (2, 1) and passes through the origin.
asked by cassy 
Statistics
Foofy says a deviation of +5 is always better than a deviation of 5. Why is she correct or incorrect?
asked by Sammie 
Physic II
A dipole with a positive charge at x=0.0 nm, y=10.0 nm and a negative charge at x=0.0 nm, y = 10.0 nm. If the charge have a value equivalent to that of a proton and an electron,respectively, what is the dipole moment?
asked by Banu 
PSY
For an IQ test, we know the population _ 5 100 and the _X 5 16. We are interested in creating the sampling distribution when N 5 64. (a) What does that sampling distribution of means show? (b) What is the shape of the distribution of IQ means and the mean
asked by Joy 
Math
backpack is discounted for 10% on sale for $37.80
asked by Gracie 
Math
Which fraction has the greatest value and how did u get the answer....1/8,5/12,9/10
asked by Jarrod 
Statistics
A study was conducted to investigate the effect of management training on the decisionmaking abilities of supervisors in a large corporation. Sixteen supervisors were selected and eight were randomly chosen to receive managerial training. Four trained and
asked by Tina 
Chemistry
In a similar experiment, a student needs a 0.50 M KOH solution (MM = 56.11 g/mol). The student only has a 50.00 mL volumetric flask. How much KOH should be added before the flask is filled with water?
asked by Lily 
Chemistry
25 ml of cloudy ammonia solution is added to a 250 ml Erlenmeyer flask. 50 ml of .1 M HCl is then immediately added to the flask, which reacted with the ammonia in the solution. Next, the solution was titrated with .025 M NaOH to neutralize the excess HCl
asked by Anonymous 
physics
A horizontal spring has a spring constant k = 23.2 N/m. A 0.165 kg mass is attached to the spring and is free to slide on a frictionless surface. The mass is pulled 26.2 cm from the equilibrium point. What is the speed (m/s) of the mass as it passes the
asked by wilson 
sc
The specific heat of concrete is 0.16 kcal/kgC o , and the specific heat of water is 1.00 kcal/kgC o . This means that if 1 kg of ice and 1 kg of water each receives 1 kcal of energy
asked by Anonymous 
Chemistry
N2(g) + O2(g) → N2O5(g) What volume of oxygen gas reacts to yield 750.0 cm3 of N2O5? The reaction conditions are 350°C and 2.50 atm pressure. I balanced the equation 2N2+2O2 = 2N2O5 BUT I AM NOT GETTING THE CORRECT ANSWER, WHAT AM I DOING WRONG?
asked by Harry 
calculus
In a lab experiment 8 grams of acid were produced in 28 minutes and 17 grams in 47 minutes. Let g be the number of grams and m be the number of minutes. Find a linear equation that you could use to calculate g for any number of minutes.
asked by britney 
Algebra
7. Paula is an office manager for ABC Advertising. She has been tasked with finding a copy machine that falls within a budget of $750 per month. She finds a company that will lease the machine for $275 a month. Each copy costs 4¢ and a ream of 500 sheets
asked by Will 
English
I am doing descriptive writing I am currently constructing a weather scene, which is a bad rainy day. This will end up building more tension to my story. Here is what I got so far... Out the window next to me, the rain was pouring heavily, from the
asked by Anonymous 
add maths
Given that the quadratic equation is (2m+3)x^2+(4m2)x(m+1)=0.Find the value of m,if •one of the root of the equation is negative •one of the root of the equation is reciprocal of the other
asked by mandy 
physics
ind the force of gravity between a newborn baby (mass = 2.9kg ) and the planet Mars (mass = 6.4×10^23kg), when Mars is at its closest to Earth (distance = 5.6×10^10m).
asked by bob 
Science
Use the Particle Theory of matter to explain what viscosity in and why temperature affects viscosity.
asked by Trisha 
2nd Grade Mesaurement
I tutor 2nd Graders and they are stating to learn measurement in cups, gallons, Pints, Inches, Feet, Cm, . . . etc. I need a website that will show me how to better explain to them of how to solve the answers. Also, I don't know how to measure. I need a
asked by Qiayamah 
Social Studies
How did Rosa Park's refusal to stand up contribute to the civil rights movement? A: Her refusal to stand contributed to the civil rights movement as it sparked a boycott, the Montgomery Bus Boycott, that lead to the end of the segregation.
asked by Anonymous 
accounting
Acme Inc. has total liabilities of $120,000, total sales of $80,000, net income of $12,000, current assets of $90,000 and total assets of $150,000. What is the debt to equity ratio for Ac
asked by Anonymous 
Writing (Writeacher!)
These paragraphs must consist of at least four sentences, but I have only written one for each of them. Can you assist me in writing the others? 1. Write a paragraph discussing the courage demonstrated by Martin Luther King Jr. What I have written: Willing
asked by Anonymous 
math
suppose she cut the cake in 2008 size pieces and six people ate all the pieces explain how they could have divided the pieces so that everyone ate the same amount of cake you may show your work in a drawing
asked by Anonymous 
Chem AP
A 0.505g sample of a compound is dissolved in enough water to form 100.0 mL of solution. This solution has an osmotic pressure of 2.56 atm at 25°C. If each molecule of the solute dissociates into two particles (in this solvent), what is the molar mass of
asked by Me 
American History
A series of legislative acts passed under the Grant administration in 1870 and 1871 authorized federal protection for black suffrage through the use of the Army against the Ku Klux Klan. Together, these were known as the _______ Acts. A. Force B.
asked by Tonya 
chemistry
A sample of aluminum metal containing 9.1080 x 10 to the 25 power atoms is drawn into a cylindrical wire with radius r=0.833 mm. how long must the wire be in meters?
asked by tricia 
physics
A 31m/s velocity vector that makes an angle of 44° counterclockwise from the x direction. x: y:
asked by Kelby 
Statistics
What does the empirical rule say about the proportion of players who are between 62.7 inches and 75.3 inches? c.
asked by Tyler 
Chemistry
a student used a piece of copper with a mass of 2.85g and obtained 2.95g of copper at the end of the experiment, an apparent recovery of 104$. How could the student account for this result, since the best to expect is 100%.
asked by CeeCee 
chemical calculations
A brick of silver with a mass of 31.5 kg measures 0.150 m long, 42.0 cm wide, and 72.00 mm thick. What is density of silver in grams per cubic centimeter?
asked by Michael G 
Algebra
Martin sold his computer and software for $900.00, receiving three times as much for the computer then the software. What was the selling price of the computer and software?
asked by Harry 
Algebra
1. A firm pays $1.75 for each copy of a magazine and sells each one for $2.50. There is a fixed monthly cost of $40 for printing the publication. If the firm wants to make $550 dollars next month, how many magazines do they have to sell?
asked by Will 
2nd grade math
Mr foster places 11 garden lights along an 80 meter path. Each light is placed an equal distance apart. How far away is the sixth garden light from the second?
asked by Jan 
U.S History  NEED HELP!
Document F  Source:Richard B. Morris, The Basic Ideas of Alexander Hamilton. (1957). Clash Over States Rights "A firm Union will be of the utmost moment to the peace and liberty of the states, a barrier against domestic faction and insurrection.” (1787)
asked by Cassidy 
math
There is a dog kennel that has 28 dogs, there is 6 kennels; how many dogs per kennel is there?
asked by Joe 
Hsco
Corey et al. does an excellent job addressing the initial stages of a group. In the workbook, they challenge you to think about a group you want to lead and how what you viewed in the video might be modified for your group. Discuss how you can implement
asked by stacy 
Physics
In a physics experiment, 250g of water is placed in a 50g calorimeter cup made of aluminum when both are at 15C. Steam at 100C is completely absorbed by passing it through the water, raising the temperature of water and cup to 45C. Find the mass of steam
asked by Tsunayoshi 
Physics
A 100W incandescent lamp of filament area 45 mm^2, emits all its energy by radiation into the surrounding space of room at 22C. If the filament emissivity is 0.32, find the temperature of the filament?
asked by Tsunayoshi 
Math
Danny has a yard in the shape of a parallelogram: width (50 m) length (60 m) height (60 m) he want to split it into 3 pieces, with more than one type of shape. they should all have equal perimeter. the perimeter can not be in decimals. (Help please)
asked by Dane 
Statistics
Data below corresponds to sample weights of two different types (A and B) of Tuna. We want to test at significance level = .05 if the two tuna populations from which the samples come have the same variance. A .99 1.92 1.23 .85 .65 .69 .6 .53 1.41 1.12 .63
asked by Tina 
world history
I need to find out if Obama mentions any PERMS power in this section of the State of Union 2014 Speech. I'm stuck and it doesn't seem like he mentions any political power, military power, etc.  As Prepared for
asked by lily 
Interent Basics
The social networking site tat caters to artists and musicians
asked by Carolyn 
chemical calculations
A brick of silver with a mass of 31.5 kg measures 0.150 m long, 42.0 cm wide, and 72.00 mm thick. Calculate density of silver in grams per cubic centimeter?
asked by Michael G 
Science
Does foam prevent convection? If not, what does it prevent? (radiation and conduction)
asked by Steven 
Physıcs
A tennıs ball travel wıth ınıtıal velocıty of 3m/s ın 5seconds and accelerat unıformely wıth velocıty of 17ms calculate the acceleratıon
asked by Murtala 
history
After election of 1890 organized groups supporting farmers called for the information of a third party that became generally known as what party
asked by doris 
College Algebra
solve by the the substitution method 8x+9y=39
asked by Tiffany 
Chemistry
20.00 ml of 20.00 M acetic acid is reacted with .1000M NaOh calculate the number of millimoles of acetic acid reacted
asked by Pancha1996 
math
Determine the equation of g(x) that results from translating the function f(x) = x^2 + 9 upward 15 units
asked by lee 
Algebra
Sally calculated that she will lose 4.6 calories per minute walking at a rate of 3 miles per hour. How many minutes does she need to walk to burn at least 250 calories?
asked by Kevin 
Physics
The 66 kg man's hands in Figure 956 are 36 cm apart. His CG is located 85% of the distance from his right hand toward his left. Find the force on each hand due to the ground.
asked by Ilana 
English
I put D. Is this the best answer? In Gulliver's Travels, how are the people of Brobdingnag different from the people of Lilliput? Choose the best answer. A.) The Lilliputians are much more peaceful B.) A king instead of a queen rules the Lilliputians C.)
asked by McKale 
accounting
Acme Inc. has total liabilities of $120,000, total sales of $80,000, net income of $12,000, current assets of $90,000 and total assets of $150,000. What is the debt to equity ratio for Ac
asked by Anonymous 
Social Studies (Ms.Sue)
How did Rosa Park's refusal to stand up contribute to the civil rights movement?
asked by Anonymous 
chemistry
Rhodium metal currently costs $1251. per troy ounce (note this is different than a regular ounce! 1 troy ounce = 31.1035g). What would the cost be in dollars to purchase enough gold to form a solid square based pyramid with base dimensions 0.750m by 0.750m
asked by tricia 
math
t^2(t + 1)  t(2t^2  1) Simplify and write in standard form?
asked by Anonymous 
math
Find the GCF and LCM of 18 and 42
asked by gio 
Physıcs
Formula force calculatıng force
asked by Murtala 
Social Studies
Explain the significance of the following for Canada and the World War 2: Dieppe, Ortona, DDay, and liberation of the Netherlands.
asked by Tommy 
physics
A rifle bullet is shot horizontally at a velocity of 100 m/s. What is it's vertical velocity after 1 sec? Horizontal velocity after 1 sec?
asked by Anonymous 
Math
Danny has a yard in the shape of a parallelogram: width (50 m) length (60 m) height (60 m) he want to split it into 3 pieces, with more than one type of shape. they should all have equal perimeter. the perimeter can not be in decimals. (Help please)
asked by George 
history
How can I help I am good at some of the question you help me now I want to give it back
asked by doris 
Physics
The 66 kg man's hands in Figure 956 are 36 cm apart. His CG is located 85% of the distance from his right hand toward his left. Find the force on each hand due to the ground.
asked by Ilana 
Physics
The 66 kg man's hands in Figure 956 are 36 cm apart. His CG is located 85% of the distance from his right hand toward his left. Find the force on each hand due to the ground.
asked by Ilana 
Physics
The 66 kg man's hands in Figure 956 are 36 cm apart. His CG is located 85% of the distance from his right hand toward his left. Find the force on each hand due to the ground.
asked by Ilana 
Algebra
Peter is throwing a surprise party for his friend Tammy. He has a budget of $350. If the restaurant charges $20 per person for drinks and food and a cleanup fee of $35, what is the maximum number of people that he can invite to stay within budget?
asked by Kevin 
math
Determine the equation of g(x) that results from translating the function f(x) = x^2 + 9 upward 15 units
asked by lee 
account
Required: JZ is a musician who is considering whether to independently produce and sell a CD. JZ estimates fixed costs of $10,000 and variable costs of $4.00 per unit. The expected selling price is $12 per CD. What is JZ's breakeven point in units and
asked by 55 
Politics
1. The heart of Martin v. Hunter’s Lessee was D A. whether treaties are supreme laws of the land. B. whether states’ rights trumped national authority. C. the right of Virginia to seize property of traitors during war. D. whether the Supreme Court had
asked by Mariah 
English
Exercise 32.4 Please help with this assignment. Are these correct? Rive to clarify pronoun reference. Most can be revised in many ways. If a pronoun refers ambiguously to more than one possible antecedent, revise the sentence to reflect each possible
asked by Anonymous 
LiteraturePlease, help me!
How does the song's (Pride by Bono and The Edge) message relate to King's message in "I Have a Dream"? A: The song's message relates to the King's message in his infamous "I Have a Dream" speech as it is about nonviolence and speaks of loving, despite the
asked by Anonymous 
Math
I'm struggling with system applications word problems. Can some please explain on how to do it? Thanks
asked by Anonymous 
Math
A rectangular field has a perimeter of 442m. If the length and the width are in ratio 12:5 find the diagonal and 2 area of the rectangular field
asked by Odunayo 
Calculus II
Solve the initial value problem using Taylor Series and the following conditions: y'(t) = y(t) + 2t y(0) = A
asked by Xavier 
math
Round 209,999.598 to the nearest hundredths
asked by gio 
English
How do you use Treachery in a compound sentence using independent clauses.
asked by Marisol 
English
1. She killed her. 2. She killed herself. 3. She looked at herself in the mirror. 4. She looked at her in the mirror. 5. You should take care of you. 6. You should take care of yourself. 7. He is very proud of himself. 8. He is very proud of him. (Are they
asked by rfvv 
Social Studies
Why is the Holocaust a great reason to support the current Canadian policy of multiculturalism?
asked by Tommy 
What type of cells do not regenerate after birth?
What type of cells do not regenerate after birth?
asked by Angela 
Math
Write a fraction to name the part of the group that is round. 1/ 🔺🔺🔺🔺 ⭕⭕ The answer: 2 / 6 2/ ⭕⭕ 🔲🔲 The answer: 2/4 3/ 🔺⭕🔺 The answer: 1/3 Q:2/ Kiristie is making a pattern out of colored buttons . She has used 12 buttons
asked by Nawaf 
Quick math help
I need help on how to do system applications word problems. I just don't get this at all :( 1. The ravens won twice as many games as they lost. They played 96 games. How many games did they win? 2. State college has 620 students. There are 20 more women
asked by Anonymous 
Chemistry
If you total sample mass was 1.50 g, and you determined that 0.95 g were KHCO3, what was the percent mass off the KHCO3 in the sample?
asked by Amber 
Social Studies
significance of liberation of the netherlands
asked by Tommy 
math
Select the approximate values of x that are solutions to f(x) = 0, where f(x) = 6x^2 + 4x + 7.
asked by lee 
Math
Please ,,look (nawaf ,,math)
asked by Nawaf 
world history
What effects did Japanese migration have on Brazil?
asked by Anonymous 
math
when you subtract two from a number double the difference and then add 7 you get 57 what is the number
asked by Anonymous 
science
Extraction of copper
asked by rahul 
Biomechanics
A long jumper runs down the runway and it is measured that her vertical velocity is 2.7 m/s and her vertical velocity is 6.6 m/s. what is her angle of takeoff?
asked by Anonymous 
Politics
1. The heart of Martin v. Hunter’s Lessee was A. whether treaties are supreme laws of the land. B. whether states’ rights trumped national authority. C. the right of Virginia to seize property of traitors during war. D. whether the Supreme Court had
asked by Mariah 
English
Hello. I will be very grateful if you help me with a few questions. 1) Do you think it's possible to use "during" and "over" in the following phrase: "During the years since his death / Over the years since his death, he has been considered ..."? 2) Do you
asked by Nalmi 
math
Determine the equation of g(x) that results from translating the function f(x)=x^2+9 upward 15 units. A)g(x)=(x+24)^2 B)g(x)=(x + 15)^2+9 C)g(x)=x^26 D)g(x =x^2+24
asked by lee 
English
Questions about Shakespeare: 1. What was the most significant moment in his childhood? 2. What are his beliefs on marriage? 3. Does he believe in an afterlife? 4. Does the thought of death scare him? why? 5. What kind of music speaks to him the most?
asked by Anonymous 
Math
X^4+9x^3+31x^2+49x+3=0 find all solutions.
asked by Anonymous 
Social StudiesLiterature
I know I have already posted these question, but I am struggling to find specific aspects that make the speech persuasive. 1. How persuasive do you think King's speech is? 2. What specific aspects of the speech make it so?
asked by Anonymous 
math
how can i multilply fractions
asked by zalina 
Course Help meeee
Hi if im going to take pre med courses to become a pediatrician .., am i going to take it all or just one ??? plleasseeee answer meeee
asked by Joy 
math
f(x) = (x + 2)^2 to the right 12 units
asked by lee 
mathematics
how many terms in the series 181613....must be added to give a sum of 44?
asked by ellen mkhwanazi 
english
was marc wise to tell alice why his previous marriage failed?
asked by anonymous