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 751
1. AP Chemistry

i'm having trouble balancing the redox reaction for the iodine clock lab. The redox reaction inovlves a hydrogen sulfite ion and iodate ion in an acidified solution. i have the final balanced equation, 5 HSO3 + 2 IO3 ---> I2 + 5SO4 + H20 + 3H but i'm

asked by Jake on March 13, 2008
2. cylinder word problem

Caitlin enjoys italian ices with her friends. The place scoops the ices into a cylindrical cup that has a radius of 3 cm and a height of 8 cm. each ice is topped off with a half scoop. Each scoop has a radius of 3 cm. What is the total amount of ice that

asked by andrea on March 24, 2015
3. math

a rectangular tank,50cm long and 30cm wide,contains water upto a height of 9 cm.a box of dimensions 25cm,25cm,20cm is not placed in the tank so that its square faces rest on the bottom of the tank. the quantity of the water that must be poured into the

4. Chemistry II

Quinine is a natural product extracted from the bark of the cinchona tree, which is native to South America. Quinine is used as an antimalarial agent. When 3.28 g of quinine is dissolved in 25.0 g of cyclohexane, the freezing point of the solution is

asked by Sam on July 17, 2012
5. Chemistry

calculate the 0.4M molarity of ammonia From data given, how to prepare 200ml of 0.4M ammonia solution 25%. From previous study, i found that the calculation is M1V1=M2V2 From formula, Initial concentration (M1)is 910000mg/L, vOlume of beaker (V2)=200ml,

asked by Merlina_Lyn on January 30, 2013
6. Chemistry

A weak acid with an initial pH of 3.2 was titrated with a strong base. 15 mL of 0.1 M NaOH was added to the acid to reach the equivalence point at a pH of 8.6. What would you expect the approximate pH of the analyte to be after the first 5 mL of 0.1 M NaOH

asked by Jason on June 15, 2018
7. computers

You have been hired by a small company to network six computers in one small office that will be connected directly to the Internet. The company president wants a cost effective solution that will prevent hackers from accessing the gaining access to the

asked by Anonymous on March 4, 2010
8. Math

1. Graph the points A ( -5,0) B ( -4, 3) and C ( 0, -4) A B C D 2. Identify the quadrant in which (3, -6) lies A II B IV C I D III 3. Determine which ordered pair is a solution of y = 2x - 3 A ( -2, 7) B ( 0, 3) C ( -4, -11 D ( 5, -7 5. Graph the linear

asked by Justin on March 23, 2017
9. chemistry

Quinine is a natural product extracted from the bark of the cinchona tree, which is native to South America. Quinine is used as an antimalarial agent. When 2.50 g of quinine is dissolved in 25.0 g of cyclohexane, the freezing point of the solution is

asked by sam on March 25, 2014
10. Finance

An individual has \$17000 income in period 0 and \$60,000 income in period 1. If the individual desires to consume \$30,000 in period 1, what is the maximum consumption in period 0 assuming the interest rate is 6%? I can't find a formula to solve this

asked by Will Jr. on February 2, 2008
11. Math

I am to find the area of a square. It is cut in half and the line is measured at 6 square root 2. It also says that the two triangles are equallateral triangles. I know that the equation for a equalateral triangle is A = the square root of 3 times s

asked by Punkie on December 15, 2009
12. chemistry Ben step by step for me

10L of hard water required 5.6g of lime for removing hardness. Hence temporary hardness in ppm of cac03 The answer 1000 I do not get answer 1000 ppm= 1mg/1L Ben solve it for me step by step for me

asked by ken on July 4, 2014
13. Algebra2

Simplify: 1.SquareRoot(-144) 2.SquareRoot(-64x^4) 3.SquareRoot(-13)*SquareRoot(-26) 4.(-2i)(-6i)(4i) 5. i^13 6. i3^8 7.(5 – 2i) + (4 + 4i) 8.(3 – 4i) – (1 – 4i) 9.(3 + 4i)(3 – 4i) 10.(6 – 2i)(1 + i) 11. (4i)/(3+i) 12. (10+i)/(4-i) 13. (-5 +

asked by Mara on February 8, 2008
14. Physics

Please help with the following question: You are on a planet whose radius is known to be about 4500 km. You then perform the following experiment: You drop a rock from a height of 10.0 m and measure the time of its fall to be 2.65 s. What is the mass of

asked by Deila on January 3, 2017
15. Algebra

Consider the numbers 1,2,3, and 5. If the same numer is added to each of the numbers, it is found that the ratio of the first new number to the second is the same as the ratio of the third new number to the fourth. Find the number. Please help... I do not

asked by Heather on June 11, 2006
16. math

A cab charges \$1.50 for the first mile and \$0.50 for each additional mile. Write and solve an inequality to determine how many miles Sharon can travel if she has \$25 to spend. (2 points) \$0.50 + \$1.50x ¡Ü \$25; x ¡Ü 16 miles \$0.50 + \$1.50x ¡Ý \$25; x

asked by oscar on September 5, 2015
17. Math

A ship leaves port at 1:00 P.M. and travels S35°E at the rate of 28 mi/hr. Another ship leaves the same port at 1:30 P.M. and travels S20°W at 18 mi/hr. Approximately how far apart are the ships at 3:00 P.M.? (Round your answer to the nearest mile.) I

18. Math

Add one to a number, then double the sum, and you get 56. how do i solve it and write it as a equation (x+1)*2=56 1. divide both sides by 2 2. subtract 1 from both sides you get x=27 For all of these questions just remember that when they say "a number"

asked by Steve on January 20, 2007
19. Math

Imagine a triangle with a line extending out of it, I know two of the angles are 63° and 60°. I know the missing angle in the triangle is 57. The angle 57 is next to the line with the missing angle. But I am solving for angle m1. How do I solve this or

asked by Mila on October 18, 2016
20. Math/Physics

I am given a damping constant of 20 dyne*sec/meter...do I need to convert this if the rest of my givens are, for mass = 2kg, k (spring constant) = 82 N/m. I am trying to find the equation of motion of a spring but cannot solve it until I know how to

asked by COFFEE on July 13, 2007
21. math , steve or damon pls

for questions 15 and 16, multiply. write in scientific notation (9x10^4)(8x10^6) 7.2x10^25 1.7x10^11 7.2x10^11 1.7x10^25 (1.7x10^-4)(5x10^-5) 8.5x10^-9 8.5x10^20 6.7x10^-9 6.7x10^20 for 15 I'm thinking it is c and 16 could be A pls check my work and

asked by jacob :) on May 8, 2016
22. math1

(ii) A factory has two machines. Past records show that the first machine produces 40% of output and the second machine produces 60% of output. Further 4% and 2% of the products produced by the first machine and the second machine were defectives. If a

asked by pankaj on May 3, 2012
23. Finance

Crystal Lake, Inc., has a total debt ratio of 0.24. Its debt-equity ratio is therefore times and its equity multiplier is times. How do you figure out the number you divide 0.24 by to get the DE ratio? I have a sample of this problem that just shows the

asked by Ken on October 4, 2010
24. Physics

A body moved on x-axis at time t secs, the displacement of the particle from the origin is x-metre and the velocity of the particle is vm/s when t=0, s=0 and v=0. 1) given that the particle moves at a constant acceleration and that v=1 when t=4, find a)the

asked by clement on June 15, 2015
25. 3D Shapes & Scale

A farmer makes hay bales that are 1m cubes. His trailer can haul 128 hay bales at once. He is going to buy a new machine that makes hay bales that are 2cm cubes. How many bales will fit on the trailer now? (Assume they all fit evenly) Show calculations

asked by Jane on May 25, 2014
26. maths

A farmer had a plot in the shape of a parallelogram. He divided into three equal parts, each of which was a separate parallelogram. He then gave his son one-third of the land. The son, who realized that the district in which he lived had no school, decided

asked by anoynomous on March 10, 2013
27. Math

Two identical circles are to be cut from a 12cm by 9cm sheet of paper. What is the maximum possible radius of these circles? Show that if the length of the sheet of paper is twice the breadth of the paper, then the radius of the largest circles which can

asked by Mhon 2 on July 4, 2016
28. English

Formative Test Now, let's check how well you can use the expressions you've learned. I will distribute handouts. You have to solve the problems. You will have 5 minutes. Are you finished? Then, I'll write down the answers. Look at the answers on the

asked by rfvv on October 19, 2014
29. chemistry

1.If its molar solubility is designated by “x”, then which of the following expressions best represents the solubility product for the substance Ag2SO4? a) x2 b) 27x4 c) 4x3 d) 108x5 e) 3x4 2. Consider the equilibrium, 4HCl(g) + O2(g) 2H2O(g) +

asked by tt on August 3, 2011
30. math

I am helping my 3rd grader with a her math and me and my boyfriend can not agree on the answer to this question..can anyone give the answer and tell how to solve it. THANK YOU! Darin counted 46 more cars than trucks in a parking lot. There were 29 trucks.

asked by April on September 30, 2008

A plumber has a very long piece of pipe that is used to run city water parallel to a major roadway. The pipe is cut into two sections. One section is 12 ft. shorter than the other. If 34 of the length of the shorter pipe is 120 ft., how long is the longer

asked by crystal on November 6, 2016
32. Math

I have 16 numbers: 3,5,10,11,15,20,8,11,9,10,10,12,13,14, 15,10. These numbers have to be arranged in a 4 by 4 (horizontally and vertically) where each row equals 44. Please Help! Jumping rope can burn 600 calories per hour. write and solve an inequality

asked by Dianne on December 14, 2006
33. math

Ajax is 8 km due west of Oshawa. Uxbridge is 16 km NW of Oshawa. How far is it from Ajax to Uxbridge? Explain whether you have enough information to solve this problem. my answer was 13.856 km but not confident how I found the angle oshawa to begin with. I

asked by Dee on August 21, 2011
34. math

Can you give me step by step instruction on how to solve this problem Helium is pumped into a spherical balloon at a constant rate of 4cubic feet per second. How fast is the radius increasing after 3 minutes? At what time (if any) is the radius increasing

asked by Artis on June 19, 2010
35. Physics

Hello I am trying to solve this physics problem related to effusion of gases. The following data is given and I am asked to calculate the rate of effusion The data given; depth/thickness (t) Surface area (A) diffusion coefficient (D) Can someone help me

asked by Sam on December 15, 2012
36. math

The makers of Crinkle Crackers had a special offer: "collect 8 labels and get 1 bag free." Jim asked his friends for their labels. He collected 85 labels in all. How many free bags of crinkle crackers did he get? How did you solve? I think the answer is 10

asked by Paige/Colton on November 7, 2008
37. Physics

The soccer goal is 23.05 m in front of a soccer player. She kicks the ball giving it a speed of 17.97 m/s at an angle of 25.83 degrees from the horizontal. If the goalie is standing exactly in front of the net, find the speed of the ball just as it reaches

asked by Lindsay on November 6, 2007
38. math

Use the intersect command on a graphing utility to solve the following equation for the indicated value of b. X^3-218x=b b=2504 Can you please give me the exact steps of how to do it on calculator? i typed the below equation into the "y=..." page of my

asked by Lola on August 30, 2011
39. Math

Using the systematic list, solve. Dead eye, Joe made 15 points in the basketball game. 3 points given for a long shot, 2 points given for a field goal, and 1 point is given for a free throw. How many ways can dead eye Joe score 15 points. I came up with

asked by Kathy on April 23, 2018
40. Basic Math Venn Diagram

Hi! Having a lot of trouble with this one problem. The venn diagram problem is n(U)-n(B). I realize I did not post the venn diagram, I just need to know how to solve that type of problem using a venn diagram! Help would be greatly appreciated. : ) Thank

asked by Grace on March 7, 2013
41. Science

asked by Bella (The Parent) on April 8, 2013
42. Health

11). Describe how each of the following influence affect your behavior. a. friends b. family c. the Internet d. TV A: a. Friends can affect your behavior as your friends can influence you through peer pressure? b. ? c. ? d. Television can affect your

asked by Anonymous on October 17, 2013
43. Physics , static fluids

hello, I hope you can help... A diver accustomed to standard snorkel tubing of length 25 cm tries a self-made tube of length 8.6 m. During the attempt, what is the pressure difference (in kPa) between the external pressure on the diver's chest and the air

asked by Andrea on November 26, 2016
44. Math

Charlotte wants to conduct a survey to find out if the people in her town think that the town should build a new library. Which group of people would be a representative sample to survey? A. parents with children in middle school B. every twenty-fifth name

asked by Sammy on March 31, 2011
45. physics repost

A car of mass 1330 kg is traveling at 28.0 m/s. The driver applies the brakes to bring the car to rest over a distance of 79.0 m. Calculate the retarding force acting on the car. same as before just posting again so you wont have to scroll. heres my work

asked by Anonymous on April 16, 2008
46. Math

Simplify: 3/5 x 13.65 - 2/9 x 1.307 When I work this problem I get: 7.899555556 _ Would that be: 7.89 (or) _ 7.8995 The answer depends upon the order of operations, which must be clarified with parentheses and brackets. What you calculated is [(3/5) x

asked by Rachel on February 24, 2007
47. finance

In an online, real-time system, which of the following would be most likely to be used as backup for an application's master file maintained on magnetic disk? A) At specified periods the disk files would be dumped to (copied on) magnetic tape along with

asked by fred on August 2, 2009
48. Chem 1

Use the following data (in kJ/mol) to estimate the standard enthalpy of formation (in kJ/mol) for hypothetical compound CsF2 in the solid state. Lattice energy of CsF2 -2347 First ionization energy of Cs 375.7 Second ionization energy of Cs 2422 Electron

asked by Rossina on November 1, 2006
49. Math

simplfying: square root of 5/3 square root of 8x^5 time square of 3x^2 can you work these for me please do not know I have tried but do not think right.

asked by Ree-Ree on May 28, 2010
50. algebra

Keith needs to drive 16 miles to work. So far, he has driven 5.8 miles. How many more miles must he drive?

asked by Yeniluz on September 15, 2015
51. math

Thomas in 4 hours. Julia can do the same job in 6 hours. How many hours will it take the two of them to do the job if they work together?

asked by Sha on November 10, 2008
52. Albegra

I have work this problem out F< 1544.5 F= 9/5 C + 32 9/5 C + 32 < 1544.5 9/5 c + 32 -32 < 1544.5 9/5 C < 1544.5 5/9 * 9/5 C < 5/9 (1544.5) Now my question to you is how do I rounded 1544.5 ?

asked by PJ on October 17, 2008
53. English

How does one cite from this form in APA form? I want to use something that would work for me but I don't know how to cite from this form. Please help.

asked by kim on February 6, 2010
54. math

debra needs to drive 14 miles to work.So far she has driven 6.7 miles.How many more miles must she drive

asked by shun on November 15, 2016
55. Chemistry

What is the element whose 2+ cation's highest energy electron has the following set of quantum numbers, n=5, l=2, ml=1, and m.s=+1/2 for its highest energy electron? I know, based on the quantum numbers, that its referring to a 5d sublevel. Is it Ba? How

asked by Ceamus Angelina on April 6, 2018
56. Chemistry

Which forms the more alkaline solution and why? Al2O3; B2O3; CO2 or SiO2 Al2O3 and SiO2 are not water-soluble. CO2 forms the weak acid H2CO3, in water. What does that leave you with?

asked by Vic on August 8, 2007
57. Maths Algebra

A steamer goes downstream and covers the distance between two ports in 4 hours while it covers the same distance upstream in 5 hours.If the speed of the stream is 2 km/h.Find the speed of steamer in still water.Check your solution.

asked by Vivek on August 19, 2016
58. Chem II

PCl5 dissociates according to the reaction: PCl5(g) ↔ PCl3(g) + Cl2(g). One mole of PCl5 was placed in one liter of solution. When equilibrium was established, 0.5 mole of PCl5 remained in the mixture. What is the equilibrium constant for this reaction?

asked by Sam on February 29, 2012
59. Language Arts

1.)Which of the following sentences contains parallelism? a.)We sold two bikes at the garage sale, and we also sold four chairs, as well as receiving offers for three lamps. b.)I prefer new things, but some people like to buy things that other people have

asked by Vicky on November 24, 2014
60. geometry

In a game show, the prize is the amount of revolutions a coin would make in one kilometer times the value of the coin. Your choices are the dime or the quarter. A dime has a diameter of 188 millimeters and a quarter has a diameter of 25 millimeters. Which

asked by Cayla on March 14, 2012
61. Science

Multiple Choice 1. Which of the following terms refers to an object that orbits the sun and has enough gravity to be spherical but has not cleared the area of its orbit? (1 point) comet asteroid dwarf planet planet 2. Which of the following statements

asked by Cami on November 6, 2015
62. For Hannah

Re http://www.jiskha.com/display.cgi?id=1369225544 Sorry to have caused confusion for you Hannah. In your original post, you had 3 different problems, the first two were "volume" questions. When I did the third one, which was simply finding an area, I

asked by Reiny on May 22, 2013
63. chemistry

A 0.4515 g sample of pure CaCO3 was transferred to a 500 mL volumetric flask and dissolved using 6M HCl then diluted to volume. A 50.00 mL aliquot was transferred to a 250mL Erlenmeyer flask and the pH adjusted. Calmagite was used as an indicator the

asked by darren on February 15, 2012
64. Linear Programming

Maximize P = 16x + 80y subject to these constraints: 2x + 20y ≤ 430 4x + 70y ≤ 1400 8x + 30y ≤ 980 10x + 10y ≤ 1000 4x + 30y ≤ 700 x ≥ 0, y ≥ 0 Maximum value for P = ?. This value of P occurs when x = ? and y = ? If u1, u2, u3, u4, and u5

asked by JP on September 20, 2010
65. Math

Maximize P = 16x + 80y subject to these constraints: 2x + 20y ≤ 430 4x + 70y ≤ 1400 8x + 30y ≤ 980 10x + 10y ≤ 1000 4x + 30y ≤ 700 x ≥ 0, y ≥ 0 Maximum value for P = ?. This value of P occurs when x = ? and y = ? If u1, u2, u3, u4, and u5

asked by John on September 20, 2010
66. math

Four products are processed sequentially on three machines. The following table gives the pertinent data of the problem. Manufacturing time (hr) per unit Machine Cost per hr (\$) Product 1 Product 2 Product 3 Product4 Capacity (hr) 1 10 2 3 4 2 500 2 5 3 2

asked by nk on November 14, 2016
67. Math

Are my answers correct 1.Male and female high school students reported how many hours they worked each week in summer jobs. The data is represented in the following box plots: two box plots shown. The top one is labeled Males. Minimum at 1, Q1 at 3, median

asked by anonymas on February 17, 2016

Sarah has \$200 to spend. She buys a chair for x dollars and pays 6% sales tax. She has y dollars left. What equation models this situation? A. 200 - 0.06X = Y b. 200 - 1.06x = y C. 200 + 1.06X = Y D. 200 = 0.06X I chose answer A. Is that the correct

asked by Misty on April 26, 2016
69. math

Three departments of a company employ a total of 1274 people. The second department employs 70 more people than the first one, and the third department employs 84 more workers than the second one. How many people work in each department?

asked by david on July 12, 2017

Find DE if matrix D= Row 1= -2,4,6 and ROW 2= 5,-7,1 and matrix E= Row 1= 1,-2 Row 2= 0,-4, and Row 3= -3,4 WORK: [(-2)(1)+(4)(0)+(6)(-3)]=-20 [(-2)(-2)+(4)(4)+(6)(4)]=44 [(5)(1)+(-7)(0)+(1)(-3)]=2 [(5)(-2)+(-7)(4)+(1)(4)]=-34 The answers to choose from

asked by Lucy on June 22, 2008

(a)How much work is done by the field in moving the electron through a distance of 7 cm? J (b) Through what potential difference will it have passed after moving through this distance? V (c) How fast will the electron be moving after it has traveled this

asked by James on March 17, 2010
72. math

If Sally can paint a house in 4 hours, and John can paint the same house in 6 hour, how long will it take for both of them to paint the house together? This the ans 2 hours and 24 minutes but how did they work it out?

asked by Zac on January 26, 2011
73. Language arts

Characters: (in order of appearance) 1. JASON: a boy of about 14. He is a student in Ms. Smith’s English class. He regularly misbehaves in order to get attention, and he doesn’t apply himself to his schoolwork. 2. THE CLASS: 25 seventh-graders, male

asked by Origami Killer on March 27, 2019
74. Chemistry

the corrosion of iron is similar to the reactions that occur in an electrochemical cell. Oxidation and reduction occur at separate places on the metal and the circuit is completed by an electrolyte in solution one possible corrosion is Fe(s)+O2(g) + H2O(l)

asked by ryan on November 30, 2011
75. Physics - Can you plz help!

a) a flashlamp bulb is marked '2.5V,0.30A' and has to be operated from a dry battery of e.m.f 3.0V for the current p.d. of 2.5V to be produced across it. Why? b) ow much heat and light energy is produced by a 100W electric lamp in 5 minutes? c) what is the

asked by Bimbo on April 17, 2007
76. englis :(((

C). Change these active sentences to passive. 1. People speak Portuguese in Brazil. 2. The Government is planning a new road near my house. 3. My grandfather built this house in 1943. 4. Picasso was painting Guernica at that time. 5. The Cleaner has

asked by rudy on May 19, 2015
77. HELP ME!!

What qualities of an oral presentation are most important to you as an audience member? Explain your answer (Broken Link Removed) http://www.tau.ac.il/~smiriam/mugbar/criteria2.htm http://www.ncsu.edu/midlink/rub.pres.html Please note that we don't do

asked by Letitia on January 25, 2007
78. history

How is Gouverneur Morris the first Modern American, what does it mean to be a modern American? Please note that we don't do students' homework for them. Our tutors try to give you the information to help you complete your assignment on your own. If there's

asked by Mack on April 12, 2007
79. Reiny

Just a question for you. How do you remember all this. I'm wondering because I'm in precalc and I always seem to forget how to do the problems a couple weeks after the test. You seem to know everything without even hesitating. Side note- I found this site

asked by Dustin on January 11, 2015
80. CHEM HELP

Nicotinic acid (niacin) is a monoprotic acid with the formula HC6H4NO2. A solution that is 0.012M in nicotinic acid has a pH of 3.39 at 25*C. What is the acid-ionization constant, Ka and pKa for this acid at 25*C? is the ionization equation: HC6H4NO2+

asked by Sandra on March 24, 2009
81. Math

Need help with how to work the problem below. The answer key says the answer is 12,700 mi squared but I don't know how they got that. "The athletic dept. at Pi High School is planning a circular track 400 m long. The area inside the track will be planted

asked by Brandi on October 24, 2013
82. physics

A father pushes horizontally on his daughter's sled to move it up a snowy incline, as illustrated in the figure, with h = 3.4 m and θ = 14°. The total mass of the sled and the girl is 35 kg and the coefficient of kinetic friction between the sled runners

asked by jibinn on October 5, 2010
83. SCIENCE

Every cell in the body has a full complement of all genes, however each cell type reads only certain genes. For example, both white blood cells and liver cells have genes for making digestive enzymes but they do not read them. how is this possible??? I

asked by ronda on December 20, 2006
84. Physic

A father pushes horizontally on his daughter's sled to move it up a snowy incline, as illustrated in the figure, with h = 3.7 m and θ = 18°. The total mass of the sled and the girl is 35 kg and the coefficient of kinetic friction between the sled runners

asked by Thanh on November 18, 2012
85. Physics

A villain is knocked out of a low-flying aircraft by a heroic scientist-adventurer at an altitude of 370 m. After falling for 120 m the villain reaches terminal velocity. 7.16 seconds after reaching terminal velocity, the villain crash lands in a river

asked by Bart on December 15, 2013
86. English

This is my whole poem. My poem dosen'thave to rhyme. The Green Team is like an angel,dancing through the beautiful blue sky. It is a miracle having Dearbhail,Amber,Stacey, Marina,Kudzayi and Sophie in Catherine. We work as a Team with no Fight's or

asked by Melody on February 22, 2010

A water-skier is being pulled by a tow rope attached to a boat. As the driver pushes the throttle forward, the skier accelerates. A 83.9-kg water-skier has an initial speed of 6.3 m/s. Later, the speed increases to 10.1 m/s. Determine the work done by the

asked by Hannah on June 3, 2012
88. physics

The pressure and volume of a gas are changed along a path ABCA in the figure. The vertical divisions on the graph represent 4.50 X 10^5 Pa, and the horizontal divisions represent 3.00 X10^-3 m3. Determine the work done (including algebraic sign) in each

asked by james on December 10, 2010
89. Physics

A father pushes horizontally on his daughter's sled to move it up a snowy incline, as illustrated in the figure, with h = 3.9 m and θ = 11°. The total mass of the sled and the girl is 35 kg and the coefficient of kinetic friction between the sled runners

asked by Sandi on December 4, 2010
90. Language Arts

Which of the following statements about “Life Without Gravity” explains why it is an expository essay? A- It describes the negative effects of weightlessness before it describes the positive effects B- It is a short work of nonfiction that explains a

asked by school student#3 on November 13, 2018
91. Write a fictional, first-person account of the cre

This is what my assignment is Describe, as if you were a member of that subordinate group, where the group originated, how it came to the United States, and one or two locations in the United States where members of your group live. Be creative in your

asked by Deb on August 29, 2011
92. Chemistry

91.7g of HCL solution was added to the calorimeter and brought to a constant temp. Then 0.5278g of MgO was added and the Temp rose from 25.65C to 32.60C and held steady. Then 0.0185g of Mg was added and the temp again rose from 30.35C to 32.20C. Calculate

asked by Laura on January 12, 2009
93. maths

the annual demand for a product is 800 unit a unit price of the product is #0.02. If the ordering cost is # and the holding cost is 10% of the unit price ; determine the I) EOQ in the units ii) total variable cost iii) number of orders per annum. plz what

asked by carman on May 4, 2019
94. Chemistry

You have synthesized a substance from aqueous solution that has a melting point of 152 °C. A pure authentic sample of the intended product has a melting point of 154 °C. The most likely explanation for the difference in melting temperature is that the

asked by Lynne on June 11, 2010
95. chemistry

During lab, you are provided with a stock antibody solution (Ab) that has a concentration of 400 μg/μl. For lab, it is necessary make the following dilutions (Fill in the blanks): 5μL of Stock Ab + 195μL of buffer to make a 1:____ dilution at

asked by gabrielle on September 13, 2011
96. Chemistry

Sally is goint to determine the quantity of MgSO4 by titrating the Mg2+ ions using EDTA. What is the concentration of Mg2+ (in mmol/L) in the sample if it takes 22.9 mL of EDTA solution with concentration of 0.01108 mol/L to titrate 50.00 mL of the sample

asked by Cody on March 14, 2010
97. financial project

Five (5) years ago, you bought a house for \$171,000, with a down payment of \$30,000, which meant you took out a loan for \$141,000. Your interest rate was 5.75% fixed. You would like to pay more on your loan. You check your bank statement and find the

asked by Anonymous on March 2, 2013
98. math

Five (5) years ago, you bought a house for \$171,000, with a down payment of \$30,000, which meant you took out a loan for \$141,000. Your interest rate was 5.75% fixed. You would like to pay more on your loan. You check your bank statement and find the

asked by mary on February 22, 2013
99. algebra

Five (5) years ago, you bought a house for \$171,000, with a down payment of \$30,000, which meant you took out a loan for \$141,000. Your interest rate was 5.75% fixed. You would like to pay more on your loan. You check your bank statement and find the

asked by mary on February 22, 2013
100. Physics

The Speed of train is reduced from 60km/h at the same time as it travels a distance of 450 m, If the retardation is uniform , find how much further it will travel (approx) before coming to rest? Answer is 30m but how? See my solution , i solved it in two

asked by Shahab Mirza on October 28, 2014