# Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. 2x + 10y = 58 -14x + 8y = 140

91,718 questions, page 809
1. ## Physics Word Problems

Could you please explain to me these problems, I don't understand them. Do 100 J of work in 50 s and your power output is? - I got 2, but not sure of the units. A bow is drawn so that it has 40 J of potential energy. When fired, the arrow will ideally have

asked by Manny on October 14, 2007
2. ## statistics

5. Consider the probabilities in problem 4. The probability that a randomly selected single book purchase will not be for a work of fiction is (a) 0.80 (b) 0.25 (c) 0.20 (d) 0.30 (e) 0.75 6. Two dice are rolled. Suppose A is the event the sum of the

asked by meri on June 30, 2015
3. ## Math logic and reasoning

1. Tyson was working with square numbers. He noticed a pattern for squaring consecutive numbers that end in 5 note:top column has 5^2,15^2,25^2,35^2 note: Bottom column shows answers of top column so 5^2=25,15^2=225,25^2=625, 35^2=1225 A.) Identify a

asked by Matt on September 12, 2018
4. ## Chemistry

2. Aluminum metal reacts with zinc(II) ion in an aqueous solution by the following half-cell reactions: Al(s) → Al3+(aq) + 3e− Zn2+(aq) + 2e− → Zn(s) a. Predict the potential of the cell under standard conditions. (4 points) b. Predict whether the

asked by Morgan on October 22, 2014
5. ## History

What was the significance of the Boston Massacre? A. It marked the start of the American Revolution. B. It increased tensions between American colonists and England. C. It brought a temporary end to colonial protests. D. It led England to close the port of

asked by Jimin-Mochi on October 17, 2018
6. ## Social Studies

1. Diversity most closely means (1 point) sharing cultural traits and practices with others. making up a whole of many different parts. being a member of a small ethnic group. having many similar regions next to one another. 2. How does life in Istanbul

asked by Christina on December 10, 2013
7. ## social studies

1) Diversity most closely means (1 point) a. sharing cultural traits and practices with others. ** b. making up a whole of many different parts. c. being a member of a small ethnic group. d. having many similar regions next to one another. 2) How does life

asked by Leala on April 7, 2015
8. ## Chemistry AP-Density

The level of water in a graduated cylinder is at the 100 mL mark. When a platinum crucible floats on the surface of the water, the level reads 157.9 mL. When the crucible is totally immersed in the same cylinder, the level reads 102.70 mL. What is the

asked by Victoria on August 26, 2010
9. ## Excel Problem

If the initial temperature is 115 F (46 degrees C), the cold water temperature is 1.7 (degrees C), and the volume and volumetric flow rate are 3,000 liters and 30 liters per minute, respectively, (a) Calculate the expected water temperature at 5-minute

asked by Angel on September 18, 2011
10. ## Chemistry

I have the answer to this question but the book does not explain WHY this is a good buffer solution? It uses pH=pKa - log(base/acid) and shows 7.2=7.2 - log(1). I don't understand why they can only use pKa7.2 and ignore the pKa 12.7. You are instructed to

asked by Kelsey on June 21, 2016
11. ## Calculus

Two 100-gallon tanks initially contain pure water. Brine containing 2 lb of salt per gallon enters the first tank at the rate of 1 gal/min, and then the mixed solution drains into the second tank at the same rate. There, it is again thoroughly mixed and

asked by L.S. on December 14, 2011
12. ## biochem

If 10mL of 1 M HCl is added to 1L of 0.01 M phosphate buffer, pH 7.2, what is the resulting pH? Also what are the conc of H2PO4^1- and HPO4^2- in the final solution? HCl: M = mol / L 1M = mol / 0.01L = 0.01 mol phosphate: M = mol / L 0.01M = mol / 1L =

asked by Liam on June 2, 2018
13. ## physics

Problem: Two blocks of metals have the same mass. The first block has a volume of 827 cm^3 and a density of 4.50g/cm^3.Thesecond block has a volume of 193cm^3. What is the density of thesecond block ? Solution: (1) 4.50x827=3720 (2)3720/193=19.3 1. Give an

asked by andrea on January 24, 2011
14. ## physics

Problem: Two blocks of metals have the same mass. The first block has a volume of 827 cm^3 and a density of 4.50g/cm^3.Thesecond block has a volume of 193cm^3. What is the density of thesecond block ? Solution: (1) 4.50x827=3720 (2)3720/193=19.3 1. Give an

asked by andrea on January 24, 2011
15. ## Math

hello! I really need help with this math problem on a portfolio I am doing, I know you're not supposed to give answers out and I'm not asking for any answers but I honestly don't understand this I've watched the profolio recording as well and help from

16. ## Math

Step 1 = 3 boxes Step 2 = 6 boxes Step 3 = 11 boxes Step 4 = 18 boxes How many boxes at step 50? Which one? 100, 102, 2500, 2502 How would I solve this?

asked by Amy on October 11, 2010
17. ## TRIG

what is another form of: sin (A+B) sin (A-B)/ cos^2 A cos^2 B a) cos^2 A - cos^2 B b) tan^2 A - tan^2 B c) tan^2 A - tan^2 B d) sin^2 A - sin^2 B please show the steps you take to get to the answer! thank you

asked by rossi on November 26, 2010
18. ## English

1. Take exercise on a regular basis, and you will be a happy person. 2. Earn a lot of money, and you will be a happy person. 3. Drive in the country, and you will be a happy person. 4. Play the violin, and you will be a happy person. 5. Play soccer with

asked by rfvv on April 18, 2014
19. ## accounting

You have been assigned the task of testing the accuracy of the final inventory compilation for Mt. Hood Furniture. You may assume that you have separately observed the inventory and that you are satisfied that the inventory was accurately counted. However,

20. ## Physics

Power of a car weighing 1200kg is 134.05hp and its efficiency is 90%. How long will it take to raise of the car to 20m/s from rest. solution:v2=u2+2as 400=2as as=200 real power=13.05hp =100001.3W effective power=90001.17W Power=W/t =mas/t =1200*200/t

asked by RBAS on August 25, 2016
21. ## College Algebre

Here is the math problem: The height of an object in free fall, or otherwise thrown into the air near the earth's surface, with initial vertical velocity v0 in feet per seconds, and from the initial height h0 in feet, at any given time t in seconds is

asked by Rick on February 8, 2012
22. ## Math - Linear algebra

Cats cost $1, dogs cost$15, and mice cost only $0.25. I want a herd of 100 animals, and I have$100, so being a cat lover, it's tempting to get only cats and mice. But I also want a dog, and my cat(s) want mice to "play" with, so the numbers of dogs, cats

asked by George on September 11, 2011
23. ## Chemistry 102

For a question like “calculate the pH of an aq.solution that is 1.0 M CH3COOH and 1.0 M CH3COONa, how do you know to write the equation like this: CH3COOH + H2O => H3O+ + CH3COO- and not like H3O+ + CH3COO- => CH3COOH + H2O for the ICE chart. This would

asked by Nick on May 3, 2010
24. ## BIO

3. Fish have a two chambered heart called a single loop. discuss the benefits and drawbacks of this system. 4. Amphibians have a three chambered heart. Discuss the importance of the extra chamber in terms of the obvious physical differences that amphibians

asked by SOMEONE HELP THIS PERSON on April 14, 2013
25. ## Physics

I am reposting this since I did so incorrectly the first time. (I apologize for posting it twice the first time as well...I accidently hit refresh) Here is the problem with the proper units: You are trying to overhear a juicy conversation, but from your

asked by Nicole on January 18, 2010
26. ## College Physic I

A space probe is traveling in outer space with a momentum that has a magnitude of 4.99 x 107 kg·m/s. A retrorocket is fired to slow down the probe. It applies a force to the probe that has a magnitude of 1.87 x 106 N and a direction opposite to the

asked by Angela on February 25, 2012
27. ## Computer Development

How has the history of computers changed over the years? The history of computers has changed over by the years by the growth of technology and te different computers that grow to be invented to work better and faster. Ways to answer the question would be

asked by Cherlyn on May 11, 2007
28. ## Chemistry

24.0 mL of 2.4 M silver nitrate is mixed with 32.0 mL of 2.0 M sodium chloride. ( I wrote the balanced equation as AgNo3+NaCl -> NaNo3 + AgCl ) A) Identify the precipitate formed by name and formula. - I wrote AgCl (silver chloride) B) Calculate the mass

asked by Sara on March 2, 2016
29. ## Math 1

1. Justify the solution to (x-5)=56+6(x-5) by matching a property to each step. Step 1: -4(X-5)=56 Step 2: X-5=14 Step 3: X=-9 A addition property of equality B subtraction property of equality C multiplication property of equality D division property of

asked by Im gonna start crying on September 5, 2017
30. ## Chemistry

What is the solubility of CuCl when it is in a solution of 0.35 M NaCl?(CuCl has Ksp=1.9 x 10^-7) The Ksp is given by Ksp=[Cu+][Cl-] if x=[Cu+] then in our mixture we have x moles l^-1 [Cu+] x moles l^-1 [Cl-] 0.35 moles l^-1 [Cl-] from the NaCl (there is

asked by Chrissy on April 10, 2007
31. ## algebra

A ball is thrown straight up from a rooftop 9696 feet high. The formula below describes the​ ball's height above the​ ground, h, in​ feet, t seconds after it was thrown. The ball misses the rooftop on its way down. The graph of the formula is shown.

asked by lisa on March 21, 2016
32. ## math (Damon) check step by step for me

A mixture of pure k2cr207 and pure kmno4 weighing 0.561g was treated with excess of ki. In acidic medium. Iodine liberated required 100ml of 0.15M of sodium thiosulphate solution for exact oxidation. The right answer 43.67 k2cr207 and 56.33 kmn04 K2cr207 =

asked by Fai on January 2, 2014
33. ## chemistry

What are the certain conditions when ionic compounds conduct an electric current? Why are ionic compounds not always used as conductors? Ionic compounds conduct an electric current when the ions are free to move about. This usally means they are in

asked by carter on November 24, 2006
34. ## Chemistry-Just checking my answer

for template DNA (non-GMO,GMO,and test food) we set up a PCR reaction that included "plant' primers. Assume that all three foods had usable plant DNA. Which template DNA (non-GMO,GMO, test food) would you expect to show successful amplification of the

asked by Deb on December 2, 2012
35. ## astronomy

1. The radius of the Sun is 7 X 10^5 kilometers. Use powers of ten to show that the Sun's radius is about 100 times the Earth's radius. 2. Given that an astronomical unit is 1.5 X 10^8 kilometers and a light-year is about 10^13 kilometers, how many AU are

asked by John on April 3, 2007

The income from a student production was $23,000. The price of a student ticket was$3, and nonstudent tickets were sold at $7 each. Five thousand tickets were sold. How many tickets of each kind were sold? Work so far: x = Student tickets y = non student asked by Gabbi on April 11, 2017 37. ## College algebra Okay theres another part to this equation and I'm not sure if this is the right answer either. 5x+6y=18 solve for y. 6y = 18-5x y = (18-5x)/6 The second part is when graphed this equation would be a line. What is the slope and y-intercept of this line? The asked by Alicia on November 16, 2007 38. ## Math help To find the height of a tree, Wyatt places a mirror so that he can see the top of the tree in the mirror. The mirror is 3 ft from him and 7.5 ft from the tree. If Wyatt is 5.5 ft tall, how tall is the tree? How would I solve this? asked by Anonymous on December 6, 2014 39. ## Mathematics Jabulani thinks of a number sihle multiplies this number by 6 and John multiplies it by 3 and adds 9 sihle and John get the same answer what number did Jabulani think of How to solve it asked by Naledi on August 19, 2018 40. ## physics (1) Dervive an expression for the maximum speed of v of electron in terms of V,me, and e. (2) The electron is replaced with a proton that starts from rest at the positive plate and travels toward the negative plate. Compare the maximum speed of the protons asked by monica on February 20, 2012 41. ## CHEMISTRY HELP NOW PLZ! which of the following coordination compounds will most likely form a precipitate when treated with an aquesous solution of silver(l) nitrate? A) [Cr(NH3)2CL3] B) [Cr(NH3)6]Cl3 C) [Cr(NH3)Cl]SO4 D) Na3[Cr(CN)6] E) Na[CrCl6] i think its either a or b but i asked by gina on April 21, 2007 42. ## chemistry Use the systematic treatment of equilibrium to determine the pH and concentrations of species in 1.00 L of solution containing 0.065 mol citric acid (H3A), 0.025 mol 8-hydroxyquinoline (HB), and 0.040 mol KOH. Consider just acid-base chemistry. Ignore ion asked by James on May 23, 2014 43. ## math! 1. in a basketball game, mike scored 20% of the team's points. if mike scored 22 points, how many points did the team score as a whole? - is the answer 110 pts 2. sports authority was having a sale. all their merchandise was 20% off the original price. the asked by Sara! on May 31, 2010 44. ## Physics A person walks first at a constant speed of 4.70 m/s along a straight line from point A to point B and then back along the line from B to A at a constant speed of 2.80 m/s. (a) What is her average speed over the entire trip? (b) What is her average asked by Zoe on October 8, 2009 45. ## Chemistry A sample of chlorine gas at a pressure of 420 mm Hg and in a volume of 3.50L was heated from 18.0 degrees celsius to 45 degrees celsius after being transferred to a container of volume 2.35L. The pressure in this new container should be about? The original asked by Hannah on January 15, 2012 46. ## PHYSICS answer check A 25 gram arrow fired from a bow has a speed of 80m/s. The energy in the arrow came from work done by the bow that acted over a 1m "draw" distance. What average force acted on the arrow over this distance mass=0.025kg speed=80m/s avg force 2N asked by MJW on April 25, 2015 47. ## statistics The weekly study times for all students in a school are normally distributed with μ = 18 hours and σ = 6 hours. If 36 students are randomly selected, find the probability that their mean study time is greater than 20 hours. My work: asked by Judy on September 15, 2016 48. ## Chemistry - acids & bases 4. Calculate the pH of each of the solutions and the change in pH to 0.01 pH units caused by adding 10.0 mL of 2.37-M HCl to 320. mL of each of the following solutions. Change is defined as final minus initial, so if the pH drops upon mixing the change is asked by Ellen on October 24, 2016 49. ## Writing Sentences & Paragraphs Please help! Please correct any mistakes Your favorite cousin has moved to your town and is looking for a job. Her previous experiences are working as a cashier and sales clerk at two department stores. You know she plans to apply at similar stores in your asked by Darlene on October 17, 2012 50. ## math An apartment building has 15 apartments in it. The tenant association is having a hard time collecting the fees from the tenants with an 0.6 probability of a tenant paying their fees. What is the probability of tenant association collecting fees from 11 asked by James on July 16, 2017 51. ## American Government why does federalism create tension between state and national governments? A.) Both national and state governments share power. B.) state and local governments have no support from national government C.) states are not able to work with each other D.) the asked by Taylor on September 4, 2016 52. ## physics A therapist is helping a patient with stretching exercises. She pushes on the patient’s foot with an average force of 200 N. The patient resists the force and moves the foot 20 cm toward the therapist. How much work did the therapist do on the asked by BT on August 2, 2016 53. ## math Alia was driving to work and got stuck in the snow on the side of the road. The probability of getting unstuck if she waits for a tow truck is \frac{9}{10} 9 10 . The probability of getting unstuck if she tries to get out on her own is .4 .4 . Which of asked by jake on February 19, 2019 54. ## Algebra Randy, Sam, Tim and Will counted the number of puzzles they had solved in two months. Sam has solved twelve more than Tim. Randy had solved seventeen less than Sam.Will had solved twice as many as Randy. They have solved a total of 267 problems. How many asked by David on August 11, 2010 55. ## Algebra 1 Randy, Sam, Tim and Will counted the number of puzzles they had solved in two months. Sam has solved twelve more than Tim. Randy had solved seventeen less than Sam.Will had solved twice as many as Randy. They have solved a total of 267 problems. How many asked by LD on August 11, 2010 56. ## Math 10 1 more question.... how would I make this equation perpendicular? The question is.... The line Y=3x-1 and a line perpendicular to it intersect at R(1,2). Determine the equation of the perpendicular line. Can someone please tell me the steps to making that asked by Karn on December 10, 2006 57. ## physics tank of water with L=6m, W=3m, H=4m. 1) Find the force on the bottom of the tank from water. (ignore atmosphere pressure). 2) If the door to the tank is 1.5m by 1.5m and it is 2.25m (center bottom)from the edge of the tank, what is the force on the door asked by nick on September 14, 2007 58. ## math Please explain how to solve: The wavelength of a radio wave is defined as speed divided by frequency. An FM radio station has a frequency of 9 x 10(power of 7) waves per second. The speed of the waves is about 3 x 10 (power of 8) meters per second. What is asked by Jane on January 5, 2012 59. ## algebra, numerical operation Danny made a mistake in the following problem. Each line shows the steps Danny took in order to solve the problem. The mistake was made in Line ___. Only input the number of the first incorrect line. Line 1 21 + 35 ÷ 7 + 6(2) Line 2 21 + 5 + 6(2) Line 3 asked by ANDY on August 26, 2015 60. ## chemistry I completely understand Le Chateliers principle but I have no idea about these questions. They're due tomorrow so fast help would be appreciated. Why did adding water to the equilibrium involving CoCl_4_^2-^ cause the color to change? Use Le Chateliers asked by k on December 1, 2010 61. ## english - essay writing is it ok to use the word 'you' in a persuasive essay? As in: "Where else do you see desperate ladies act like crazed maniacs for a sad 15 minutes of fame, or as they’d like you to believe the love of.." yes sounds good so far thanks halida. =) could you asked by Anonymous on March 5, 2007 62. ## psychology Parents brought a four year old adopted daughter to see a psychiarist. The child was polite i greeting but did not smile and kept her gaze down as she took a seat. The parents explain their concerns. They described the child as quiet and who nows throws asked by deb on May 1, 2011 63. ## math write the verbal sentence as an equation.then solve the equation Three less than 11 times a number is equal to 9 plus 5 times the number. twelve less than -9 times a number is equal to 8 minus 4 times the number asked by christina on December 10, 2008 64. ## Physics A student, starting from rest, slides down a water slide. On the way down, a kinetic frictional force (a nonconservative force) acts on her. The student has a mass of 78 kg, and the height of the water slide is 12.5 m. If the kinetic frictional force does asked by Randy on February 26, 2013 65. ## Physics A student, starting from rest, slides down a water slide. On the way down, a kinetic frictional force (a nonconservative force) acts on her. The student has a mass of 73 kg, and the height of the water slide is 12.0 m. If the kinetic frictional force does asked by Candy on February 29, 2012 66. ## physics A student, starting from rest, slides down a water slide. On the way down, a kinetic frictional force (a nonconservative force) acts on her. The student has a mass of 74 kg, and the height of the water slide is 12.6 m. If the kinetic frictional force does asked by Anonymous on April 15, 2013 67. ## physics A student, starting from rest, slides down a water slide. On the way down, a kinetic frictional force (a nonconservative force) acts on her. The student has a mass of 70 kg, and the height of the water slide is 12.2 m. If the kinetic frictional force does asked by Anonymous on October 7, 2012 68. ## physical science A student, starting from rest, slides down a water slide. On the way down, a kinetic frictional force (a nonconservative force) acts on her. The student has a mass of 82 kg, and the height of the water slide is 11.3 m. If the kinetic frictional force does asked by justin on July 3, 2013 69. ## Physics(Please help, thank you) 1) A student, starting from rest, slides down a water slide. On the way down, a kinetic frictional force (a nonconservative force) acts on her. The student has a mass of 71 kg, and the height of the water slide is 12.0 m. If the kinetic frictional force asked by Hannah on June 3, 2012 70. ## gen physics A student, starting from rest, slides down a water slide. On the way down, a kinetic frictional force (a nonconservative force) acts on her. The student has a mass of 82 kg, and the height of the water slide is 11.3 m. If the kinetic frictional force does asked by ODU ? on July 22, 2013 71. ## physics A student, starting from rest, slides down a water slide. On the way down, a kinetic frictional force (a nonconservative force) acts on her. The student has a mass of 75 kg, and the height of the water slide is 11.1 m. If the kinetic frictional force does asked by Hannah on September 21, 2011 72. ## math **Problem 3: Create a linear function (y=mx+b) and graph the line for the following set of data. x | y 2 | 1 4 | 2 6 | 3 First, use the slope formula to find slope: (y2-y1)/(x2-x1) Then, put the slope (m), a 'y' point, and matching 'x' point into the asked by kelly on May 15, 2015 73. ## Pre-Algebra 2 more problems that I'm stuck on, please help- 1.A square floor has an area of 32 m^2. Find the length of a side to the nearest tenth of a meter. 2.The height of a parallelogram is half the length of its base. the parallelogram has an area of 67 cm^2. asked by mysterychicken on June 5, 2009 74. ## Math Please help me and show an understanding please, so I see how to figure them out. Lee deposited$28,000 in an interest-bearing checking account that earns 3.5% interest compounded daily. Find the amount after 68 days. a.$183.16 b.$28,180.46 c.$28,183.16 asked by Marc on February 20, 2015 75. ## Social studies Which of the following factors is impeding economic growth in India? A. poor infrastructure B. its command economy C. microlending D. outsourcing Which was the eventual outcome of the conflict between East Pakistan and West Pakistan in 1971? A. India asked by Beesly on January 21, 2019 76. ## Physics A small blimp is used for advertising purposes at a football game. It has a mass of 93.0 kg and is attached by a towrope to a truck on the ground. The towrope makes an angle of 53.3° downward from the horizontal, and the blimp hovers at a constant height asked by Gina on September 21, 2010 77. ## CRITICAL THINKING Do the following: •Make a list of advertisements you like and specify why you like them. •If the advertisement is for a product, state whether you buy the products in those advertisements and whether your decision to buy is influenced by those asked by MONIQUE on June 11, 2015 78. ## Algebra I am lost, and I bet it is simple, but I have been working with many problems and I keep coming back to this and I grow increasingly confused. How do I begin to solve this problem? In 1993 the life expectancy of males in a certain country was 71.7 years. asked by H on January 6, 2010 79. ## Math/ algebra please help Y - 5=1 over 3 A. -2 B. 8 C. 18 D.6 6x + 29 = 5 A. -4 B. -18 C. 204 D. -144 Combine like terms -21a + 16a A. -5a B. 5a C.37a D. -37a Simplify the expression 9a - b -2a - 10b A.-7a + 11b B. 11a+ 9b C. -11a+ 9b D.7a+11b 5(x+10)+x A. 6x+15 B.5x+15 C.6x+50 asked by Bandgeek15 on November 19, 2015 80. ## Chemistry A 7.65 g sample of potassium chlorate,KClO3, was heated to decompose all the oxygen. It was found that 2.25 L of oxygen was collected over water at 25.00degreesC and 1.00 atm of pressure. The vapor pressure of water at that temperature is 23.8 mm Hg. How asked by Smushy on December 16, 2014 81. ## Differential Equations A college professor contributes$5,000 per year into her retirement fund by making many small deposits throughout the year. The fund grows at a rate of 7% per year compounded continuously. After 30 years, she retires and begins withdrawing from her fund at

asked by Victor on March 4, 2014
82. ## Matrix

How do you solve for this matrix. X*X^t=0? What matrix times its tranpose is zero? If we use the usual notation: A_{i,j} for the element at the i-th row and j-th column then, if we put: A = X X^(T) ----> A_{i,j} = X_{i,k}[X^(T)]_{k,j} = X_{i,k}X_{j,k} here

asked by Dre on December 7, 2006
83. ## math

I am lost, and I bet it is simple, but I have been working with many problems and I keep coming back to this and I grow increasingly confused. How do I begin to solve this problem? In 1993 the life expectancy of males in a certain country was 71.7 years.

asked by H on January 7, 2010
84. ## Geometry check my answer?

Wilbur Wrong is flying his remote control plane in a circle with a radius of 28 meters. His brother clocks the plane at 16 seconds per revolution. What is the speed of the plane? Express your answer in meters per second. The brothers may be wrong, but you

asked by Skye on January 23, 2011
85. ## Math

The height was 30, the width was 25,and the length is 20. What is the volume, in cubic inches, of the block of ice? I think you multiply 30x25x20 and get 15,000. The answer is 15,000 cubic inches. Harry wants to make another block of ice with the same

asked by Anonymous on January 21, 2015
86. ## Physics

I'm trying to rank the maximum temperatures of water at 20 degrees Celsius after adding in heated copper cylinders. The first case is 1 cylinder at 22.5 degrees Celsius. Second is two cylinders at 25 degrees Celsius. Third is 3 cylinders at 25 degrees

asked by Snowy on February 26, 2013
87. ## art appreciation

Choose 3 works of art from 3 artists from the Baroque period through the Postmodern era. Your 3 works of art should come from the time periods or art movements covered in the readings from Unit 4 and Unit 5. This assignment will have 6 Sections (A–F).

asked by jor-rell on March 16, 2014
88. ## Physics

If a juggler throws a ball (10cm in diameter) 2.4m vertically above the level of his hand to the ceiling; 1. What is it's initial velocity? I work out 0m/s? 2. How long does it take for the ball to hit the ceiling? 3. If he throws a second ball at the same

asked by Soupie on April 12, 2011
89. ## Business Reports and Presentation

What qualities of an oral presentation are most important to you as an audience member? Explain your answer Please note that we don't do students' homework for them. Once YOU have come up with attempted answers to YOUR questions, please re-post and let us

asked by Linda Wortham on May 17, 2007
90. ## Calculus

The problem with these two questions is that I cannot determine the a and r. The 3rd question-I don't know what I did wrong. Thanks for the help! Tell whether the series converges or diverges. If it converges, give its sum. infinity (sigma) sin^n (pi/4 + n

asked by Anonymous on February 22, 2008
91. ## Algebra

Please help with the below question. I think my answer is correct but not sure. The area of a rectangle can be found using the formula A=lw. The length of the rectangle is 14a6^b7^c13^ and the width of the rectangle is (7a9^b-3^c18^)2^ What expression

asked by Anonymous on March 5, 2017
92. ## Statistics

Rising prescription drug prices caused the U.S. Congress to consider laws that would force pharmaceutical companies to offer prescription discounts to senior citizens without drug benefits. The House Government Reform Committee provided data on the

asked by Desire on November 28, 2009
93. ## Trig

4. Asked to simplify the expression sin(180−è), Rory volunteered the following solution: sin(180−è) = sin 180−sin è, and, because sin 180 is zero, it follows that sin(180−è) is the same as −sin è. Is this answer correct? If not, what is a

asked by sally on April 17, 2010
94. ## Verbal

Claudia is orginising a fashion show .Jamie,Alice,Susie and Lao are modelling the outfits.Each wears 4 different outfits. All of lao's outfits are pink.Half of Alice's outfits are pink and the rest are red.One of Jamie's outfits is red and the others are

asked by Aaron on July 1, 2017
95. ## Physics

A revolutionary cannon, with a mass of 2000kg, fires a 20kg ball horizontally. The cannonball has a speed of 140m/s after it has left the barrel. The cannon carriage is on a flat platform and is free to roll horizontally. What is the speed of the cannon

asked by puff puff on September 18, 2006
96. ## Calculus test tomorrow

A plane flying with a constant speed of 24 km/min passes over a ground radar station at an altitude of 5km and climbs at an angle of 35 degrees. At what rate, in km/min, is the distance from the plane to the radar station increasing 4 minutes later? I know

asked by jimmy on March 8, 2007
97. ## Physics

Consider a cloudless day when the sun shines down across the United States. If 2375 kJ of energy reaches a square meter (m2) of the United States in one hour, how much total solar energy reaches the entire United States per hour? The entire area of the

asked by Ashley on August 26, 2015
98. ## math

3 workers picked 66 bushels of peaches. The 1st worker picked 3 times more than the second worker and 2 times more than the 3rd worker. How many bushels did the second most productive worker pick? Let the number of bushels picked by the second worker be x.

asked by LOis on April 10, 2007
99. ## LA

PLEASE check my answer this is my last test and i d not want to mess up PLEASE 1. Which sentence contains an opinion? (1 point) Thomas Jefferson supported American independence from Great Britain. He was a lawyer in his home state of Virginia. Jefferson

asked by Michael on January 5, 2017
100. ## Physics

A crate of mass 29 kg is pushed up a ramp by a person as shown in the figure below. The person pushes the crate a distance of 25 m as measured along the ramp. Assume the crate moves at constant velocity. Assume the coefficient of kinetic friction between

asked by Sierra on July 11, 2012