# 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 790
1. ## Physics

Hello everyone, I have made measurements of the periods of a pendulum attached to a stationary point at a certain height h. When plotting the periods as a function of the square root of the length minus the height it gives us a straight line. I now need to

asked by Tom on January 7, 2013
2. ## chemistry

Distilled water normally contains dissolved CO2. When preparing NaOH standard solutions, it is important to use CO2 free distilled water. How does dissolved CO2 in distilled water affect the accuracy of the determination of a NaOH solution’s

asked by anonymous on March 24, 2014
3. ## Chemistry

What is the pH of the solution created by combining 11.40 mL of the 0.10 M NaOH(aq) with 8.00 mL of the 0.10 M HCl(aq)? with 8.00 mL of the 0.10 M HC2H3O2(aq)? Here is the chart that i am supposed fill out: mL NaOH pH w/ HCl pH w/ HC2H3O2 11.40 _________

asked by Lisa on April 27, 2009
4. ## Fine Art 7 - Dr. King Letter (to share)

Dear Dr. King. You was a brave man. A man who do whatever it takes to stop Civil Rights. A man with a beautiful wife and family. A man who became the public face of a movement. A man who tirelessly worked, marched, got arrested, spoke on the topics of

asked by Laruen on January 16, 2012
5. ## science

a garden pea plant bearing terminal violet flowers when crossed with another pea plant axial violet flowers produce axial, violet, axial white flowers in the ratio 3:1 . work out the cross showung the genotype of the parent plantand their progeny . name

asked by Binita on April 27, 2017
6. ## algebra

A boat is tied to a pier with a 25-foot rope so that the distance between the top of the pier and the top of the boat deck is 7 feet. If the water level hoes down 8 feet with the low tide , how much closer ( in feet) is the boat to the base of the pier?

asked by Alexius on December 2, 2012
7. ## algebra

I need help figuring this out. If an object 3.9 feet tall casts a shadow 11.7 feet tall. How tall would the shadow be if the object were 17.4 feet tall? please show me step by step for me to understand. thank you so much

8. ## calculus, volume , application of integration

show steps for the following: Consider the curve f(x)=x^4 between x = -1 and x = 4. a)What is the volume obtained by revolving the area under the curve around the x-axis? b)What is the volume obtained by revolving the area under the curve (i.e. between

asked by Robert on February 2, 2010
9. ## Grammar

Im confused when it comes to capitalizing red sea? i know i have to capitalize the word red because it show's what kind of sea, a red sea of course. But am i suppose to capitalize sea too, or capitalize the word red ONLY?

asked by Losa on June 13, 2012
10. ## math

Uncle Bill is 6 times as old as John and he will be 4 times as old as John in 4 years' time. If Uncle Bill is less than 60 years of age, how old will he be in 6 years' time? Please show working out as well, thanks.

asked by anonymous on January 9, 2017
11. ## history

can i please get some help with this: Why did the Watergate break-in occure? a. the Nixon White House wanted to get Daniel Ellsberg's psychiatric records b. the Committee to Reelect the President wanted to wiretap the Democratic National Committee c. the

asked by history on April 14, 2009
12. ## physics

A tunable capacitor (with variable capacitance) is charged by a U0=12 V battery and then is connected in parallel to a R=3 Ω resistor. The capacitance C(t) of the capacitor is controlled so that the current in the circuit remains constant at all times.

asked by ded on June 2, 2013
13. ## heeelp tooough physics

A tunable capacitor (with variable capacitance) is charged by a U 0=12 V battery and then is connected in parallel to a R=3 Ω resistor. The capacitance C(t) of the capacitor is controlled so that the current in the circuit remains constant at all times.

asked by andrew on June 1, 2013
14. ## Science

Explain why condensatin forms on a glass containing a cold drink. Only so much water vapor can be in the air at any temperature, and at cooler temps the air holds less. Air is very cold near the surface of the glass. hi plz help me i whant some information

asked by Sebastian on January 25, 2007
15. ## nutrition

Making a transceiver from sccrtah is a pretty awesome project. It can take a while, though.There's a lot of theory of operation that factors in physics and engineering.I'm a radio technician, so I'm biased, but if I were a science teacher I would be amazed

asked by YHlFMKuHz on March 21, 2012
16. ## Calculus

Water is drained out of tank, shaped as an inverted right circular cone that has a radius of 6cm and a height of 12cm, at the rate of 3 cm3/min. At what rate is the depth of the water changing at the instant when the water in the tank is 9 cm deep? Give an

asked by Ke$ha on January 5, 2017 17. ## heeeelp physics A tunable capacitor (with variable capacitance) is charged by a U 0=12 V battery and then is connected in parallel to a R=3 Ω resistor. The capacitance C(t) of the capacitor is controlled so that the current in the circuit remains constant at all times. asked by andrew on May 30, 2013 18. ## Social Studies Which was an effect of the establishment of the European Union? Select all that apply. A. Member countries trade freely without trade barriers. B. Citizens can move among nation states to work and study. + C. National borders have been erased. + D. Member asked by dori on February 10, 2019 19. ## math Mr Smith is a farmer. He stores his hay in a shed the shape of a cone. The base has a radius of 30 ft and it is 40 ft. tall. How much hay can he fit in the shed? Leave th answer in terms of pie.( I will use ^ as my pie symbol here) I did v=1/3 BH v=1/3^r2h asked by ES on March 15, 2013 20. ## School Learning Curve Can someone explain to me the features of the 'learning curve'. I only just found out that teachers grade people's work against other students in the class, and it's something to do with "scaling", especially in English. I'm just curious on how it works, asked by TK on September 19, 2008 21. ## social studies Which was an effect of the establishment of the European Union? Select all that apply. A. Member countries trade freely without trade barriers. B. Citizens can move among nation states to work and study. C. National borders have been erased. D. Member asked by ananamoose on February 5, 2019 22. ## Physics A tunable capacitor (with variable capacitance) is charged by a U0=12 V battery and then is connected in parallel to a R=3 Ω resistor. The capacitance C(t) of the capacitor is controlled so that the current in the circuit remains constant at all times. asked by Mathslover on May 31, 2013 23. ## chemistry 2 NO2(g) N2(g) + 2 O2(g) The ΔH° for the reaction above is -66.4 kJ. The system is initially at equilibrium. What happens if N2 is added to the reaction mixture at constant temperature and volume? The reaction absorbs energy. The reaction releases asked by Megan on September 19, 2010 24. ## Language Arts Read the following passage. Then answer the questions that follow. THE OLYMPIC SWIMMER Who will be the winner bold? Athletes from both far and near Train and Strain to be the best. But who will win the medal gold? Swimmers swivel, splash, and kick Back and asked by Brianna on December 5, 2016 25. ## statics A1. Miss Dombo, a Ticketing Manager with an Airline ying international routes, has realised that not all passengers show up for their reserved seat. It is clear to her that each passenger's behaviour is independent of the other. Having xed the chances of a asked by TINASHE on October 26, 2016 26. ## English PRESS RELEASE Contact: John Hemington, Human Resource director S+F Media is seeking a new member for our web design team. An innovator at the top of the field, S+F media has been delivering sleek, polished websites and user interfaces to our clients for asked by Ella on October 9, 2018 27. ## Alg1 Given 4√50 - 2√8 observe that √50 =√25*2 and √8=√4*2 and that 25 and 4 are perfect squares, so I simplify the expression to 100√2 - 8√2 I can then combine these terms to get 92√2 which is my answer. A.the student erroneously attempted to asked by juggalettefolife on December 2, 2014 28. ## grammar Tell if the sentences, are phrase write phrase if it is a clause, write independent or subordinate. 9 Before settlers arrived .(phrase) 10 In 1794 .(phrase) 11 When it became a city .(subordinate) 12 Chicago had its first railroad.(independent) 13 Before asked by Christ on November 8, 2009 29. ## Physics Question Here is a demonstration Pascal used to show the importance of a fluid's pressure on the fluid's depth : An oak barrel with a lid of area 0.17 m^2 is filled with water. Along, thin tube of cross-sectional area 4.7×10−5 m^2 is inserted into a hole at the asked by Catherine on May 7, 2011 30. ## GK..please check...Chemistry Help Please Sorry not leting me post entire thing on last post..can you please check Thank- YOu # Chemistry Help Please - GK, Wednesday, October 22, 2008 at 11:24am Reaction #1 (properly balanced): 2ClO-(aq) + 4H+(aq) + 6I-(aq) –> 3I2 + 2Cl-(aq) + 2H2O Reaction #2 asked by Sara on October 22, 2008 31. ## basic geometry mrs. sally needed to build a triangular platform in the shape of an isosceles right triangle. the legs of the triangle are 6"long how long was the base side of the triangular platform? she also made well panels for the show that were 4" wide. how many wall asked by anabelle please help ! on December 10, 2013 32. ## GEOMETRY PLZ HELP! Mrs.sally needed to build a triangular platform in the shape of an isosceles right triangle . The legs of the triangle are 6"long how long was the base side of the triangular platform ? She also made wall panels for the show that were 4" wide . How many asked by Anabelle on December 10, 2013 33. ## geometry mrs. sally needed to build a triangular platform in the shape of an isosceles right triangle. the legs of the triangle are 6"long how long was the base side of the triangular platform? she also made well panels for the show that were 4" wide. how many wall asked by anabelle on December 10, 2013 34. ## math please help... determine if the argument is valid or invalid along with the appropriate form of argument. if harvard hustles then harvard wins harvard wins ___________________ harvard hustles are these statements: valid by law of detachment valid by law of asked by thawk on May 21, 2011 35. ## science a car of mass 100 kg traveling at 72 km/hr is brought to rest by applying the brakes.assuming that the kinetic energy of the car becomes transferred to internal energy in four steel brakes drum of equal mass, fine the rise in temperature of the drums if asked by ing-marie on May 8, 2013 36. ## help with controls Please help us. Our experiment involved the formol titration of hydrolyzed and unhydrolyzed peptides, to determine the amino acid sequence of a polypeptide chain. We also did work with silica strips to determine the Rf values of amino acids. What are the asked by CLJ on January 4, 2007 37. ## Consumer Math 1. Ken bought a car last year to drive back and forth to work. Last year he spent$1,098 on gas. This year, it was $1,562. What is the inflation rate? a. About 51% b. About 42% c. About 20% d. About 39% I believe it is b is this correct? 2.Carnie had an asked by Cheryl on February 24, 2014 38. ## psy )]}> Many are concerned that playing violent games may lead to violent behavior. However, statistics show that violent behavior in children has declined significantly at the same time that video game sales have skyrocketed. It is therefore clear that there asked by Cat on September 25, 2010 39. ## Physics/Math An iceboat is at rest on a frictionless frozen lake when a sudden wind exerts a constant force of 212 N, toward east, on the boat. due to the angle of the sail, the wind causes the boat to slide in a straight line for a distance of 7.0 m in a direction asked by Technoboi11 on March 5, 2007 40. ## Physics A child’s toy consists of plastic attached to a spring. The spring is compressed against the ﬂoor a distance of 2.46 cm, and the toy is released. The acceleration of gravity is 9.8 m/s2 . If the toy has a mass of 102 g and rises to a maximum height of asked by Ke on February 13, 2017 41. ## Spanish Can someone please check my work? I was in Grade One. We went to the pumpkin patch. I got a really big pumpkin. I tripped while carrying it. I bit into the pumpkin. And lost one of my front teeth. Fui en primer curso. Fuimos al terreno de calabaza. Obtuve asked by Larry on October 11, 2009 42. ## Math I did all the work for these so I'm not cheating I'm just checking my answers. (This got removed for some reason so this is my 2nd time posting this) Geoff planted Dailies in his garden. They have bulbs that divide and reproduce underground. In the first asked by Anonymous on May 21, 2019 43. ## Physics A child’s toy consists of plastic attached to a spring. The spring is compressed against the ﬂoor a distance of 2.46 cm, and the toy is released. The acceleration of gravity is 9.8 m/s2 . If the toy has a mass of 102 g and rises to a maximum height of asked by Ke on February 14, 2017 44. ## PHYSICS A cylinder with a moveable piston holds 2.40 mol of argon at a constant temperature of 295 K. As the gas is compressed isothermally, its pressure increases from 101 kPa to 141 kPa. What is the final volume of the gas? I don't know where to begin. I tried asked by Zack on June 21, 2007 45. ## physics The periods of oscillaton were measured down to 0.38s. How could this be done with common laboratory timers? -a given hint is : are the times exact values? I don't know how this would work b/c I've never heard of a timer or stopwatch thant can register a asked by ~christina~ on September 14, 2007 46. ## Calculus, Riemann Sums Measurements of a lake’s width were taken at 15-foot intervals, as shown: x= 0 15 30 45 60 75 90 105 120 f(x)= 0 15 18 20 19 23 24 22 12 Estimate integral (0,120) f(x) dx with n = 4, using Midpoint approximation. For this question, I ended up with 7200 asked by Pax on May 12, 2015 47. ## CUC 1.(a) A solid sphere of mass 100gm and radius 2.5cm rolls without sliding wit ha uniform velocity of 10cm/sec along a straight line on a smooth horizontal table. Calculate the total energy. (b) A hoop of radius 100cm and mass 19kg is rolling along a asked by Theresa on May 26, 2012 48. ## chem! i cant figure this one out! :( a balloonist is preparing a trip in a helium balloon. the trip begins in early morning at a temp of 15 degrees Celcius. By mid afternoon, the temp has increased to 30 degrees C. assuming the pressure remains constant at 1.00 asked by Joan on March 21, 2011 49. ## CHEMISTRY HELP PLEASE when I use henderson-hasselbach Ka of HOP4^2- = 4.8 x10^-13 pKa= -lg(4.8 x10^-13)=12.3 substituting I get 7.44-12.3 = lg [base/acid] e^-4.86=[base/acid}= 7.75 x10^-3 according to my textbook this answer is incorrect and should be 0.59 Please Help! IF you asked by Delli on May 10, 2007 50. ## physics Spending a long time in weightlessness is unhealthy. One of the most important negative effects experienced by astronauts is a loss of muscle and bone mass. Since an ordinary scale won’t work for an astronaut in orbit, what is a possible way of asked by john on November 20, 2010 51. ## Math (Riemann Sums) Measurements of a lake’s width were taken at 15-foot intervals, as shown: x= 0 15 30 45 60 75 90 105 120 f(x)= 0 15 18 20 19 23 24 22 12 Estimate integral (0,120) f(x) dx with n = 4, using Midpoint approximation. For this question, I ended up with 7200 asked by Pax on May 12, 2015 52. ## physics 1. A 50.0 Lb box is to be moved along a rough floor at a constant velocity. The coefficient of the kinetic friction is 0.300. A. What force must you exert if you push downward on the box? B. What force must you exert if you pull upward on the box? C. Which asked by Anonymous on February 2, 2016 53. ## Finance accounting Eddings Company had a beginning inventory of 400 units of Product XNA at a cost of$8.00 per unit. During the year, purchases were: Feb. 20 600 units at $9 Aug. 12 300 units at$11 May 5 500 units at $10 Dec. 8 200 units at$12 Eddings Company uses a

asked by Linda on May 11, 2011
54. ## Physics

Consider a disk of radius 10 cm and positive surface charge density +3.7 mC/m2. A particle of charge -4.5 mC and mass 75. mg accelerates under the effects of the electric field caused by the disk, from a point at a perpendicular distance from the center of

asked by Sandra on February 14, 2010
55. ## Chem 1000

A Cylinder is filled with 1.20 mol of He(g) at 25 C under ambient pressure of 0.966 atm. The gas in the cylinder is then heated with 1.430 KJ of heat, and the piston is raised by the expanding gas under the constant ambient pressure. Calculate the

asked by J Velji on October 16, 2010
56. ## physics

A 52 g mountain climber, start from rest, climbs a vertical distance of 730 m. At top, she is again at rest. In the process, her body generates 4.1*10^6 J of energy via metabolic processes. Her body acts like a heat engine with efficiency ( W/Q_h.) W is

asked by david on November 18, 2010
57. ## College Chemistry

A Cylinder is filled with 1.20 mol of He(g) at 25 C under ambient pressure of 0.966 atm. The gas in the cylinder is then heated with 1.430 KJ of heat, and the piston is raised by the expanding gas under the constant ambient pressure. Calculate the

asked by J Velji on October 16, 2010
58. ## chemistry

hey everyone out there im new to this forum so please be nice. hahaha :D as the subject says this is about ozone cracking. well my friend is doing a research assignment, and shes talking about ozone cracking. she has done your homework and found out that

asked by Anonymous on October 16, 2008
59. ## Into to com

Analyze how language functions in the video “Power of Words.” What makes this video so effective in illustrating the various principles of verbal communication? Can you think of a real life situation where the specific words you choose can radically

asked by Ken on March 21, 2017
60. ## Math

On Wednesday you drove from home to work at 60 mph and got there in 23 minutes.  On Thursday you drove at 69 mph.  Round answers to nearest 10th.  Use:  R 1 T 1 = R 2 T 2   (double click this to see clearer) Round answer to the nearest 10th and use

asked by Amber on January 25, 2017
61. ## PHYSICS

Consider a disk of radius 10 cm and positive surface charge density +3.7 mC/m2. A particle of charge -4.5 mC and mass 75. mg accelerates under the effects of the electric field caused by the disk, from a point at a perpendicular distance from the center of

asked by Alex on February 22, 2010
62. ## math

Suppose there are 100 rabbits on an island and that the rabbit population can triple every half-year. Write an equation you could use to find the number of rabbits, R, after t, years. Using your equation, determine the amount of rabbits on the island in

asked by Monica on October 1, 2013
63. ## Social Studies

Which sentence best tells the effect of scarcity on economics? A. Scarcity shapes decisions about how to distribute goods. B. Because resources are scarce consumers buy fewer goods. C. Scarcity makes people work harder to make more money. D. The existence

asked by Anonymous on September 10, 2013
64. ## french, english

this is a french fable that I translated but I don't really undersand it. It is called the lion and the hunter... A braggart, lover of hunting, Just lost a dog of good breed, He suspected the body of a lion, Saw a shepherd: "Teach me, please, My thief, he

asked by mark on November 28, 2010
65. ## franctional interests

Hello, I am having a difficult time breaking the following fractions down! what is the common denominator? 98/983 of a 1/2 % 187/983 0f a 1/2% 39/983 of 1/2 % 155/983 of 1/2% 34/983 of 1/2 % 64/983 of 1/2 % 25/983 of 1/2% 65/983 of 1/2% please send me an

asked by steve o. on July 19, 2006
66. ## English

Please check my answers! Thanks :) 1. In Yeats’s poem “The Second Coming,” the falcon and the falconer are images that most likely represent *something out of control and unnatural. the beauty and abundance of nature. a sad, uncomfortable image of

asked by Guy on April 18, 2013
67. ## algebra

b) Suppose you want to cover the backyard with decorative rock and plant some trees as the first phase of the project. You need 25 tons of rock to cover the area. If each ton cost $70 and each tree is$90, what is the maximum number of trees you can buy

asked by monkeybaby on January 17, 2010
68. ## Chemistry and @DrBob222

Sorry for the mix up -- here's what DrBob222 posted for the Chm or Chemistry question: What subject is CHR? If you don't label the subjects correctly the proper tutor won't know you need help. This question can't be answered as posted. You need the

asked by Writeacher on September 4, 2017
69. ## math

1. Suppose you want to cover the backyard with decorative rock and plant some trees as the first phase of the project. You need 30 tons of rock to cover the area. If each ton cost $60 and each tree is$75, what is the minimum number of trees you can buy

asked by Anonymous on March 18, 2010
70. ## Math

Suppose you want to cover the backyard with decorative rock and plant some trees as the first phase of the project. You need 30 tons of rock to cover the area. If each ton cost $60 and each tree is$84, what is the maximum number of trees you can buy with

asked by Amanda on June 21, 2008
71. ## Chemistry

For solution 1, 4.00mL of 0.0200 M Cr(NO)3 was added to 20.00ml of 0.0200 M Na2H2EDTA, then the a time and absorbance were taken every 5 mins. If at 5:00 min the absorbance was 0.039 how do I find [Cr3+]0, [CrEDTA-]t, and [Cr3+]t. The absorbance at 0:00

asked by Fred on September 17, 2012
72. ## College Physics

Current passes through a solution of sodium chloride. In 1.00 second,2.68 x 10^16 Na+ ions arrive at the negative electrode and 3.92 10^16 Cl- ions arrive at the positive electrode. What is the current passing between the electrodes? mA What is the

asked by Lanise on February 6, 2010

Identify the trade-offs and opportunity cost of a decision using a decision-making grid. I know how to make a decision-making grid to show the opportnity cost....but how do i identify trade-off and opportunity cost in the grid???? I don't get the question

asked by Ami on August 19, 2009
74. ## Trigonometry

Okay, I have been given a trigonometric equation to solve (sin^2(theta) + cos(theta) = 2). So far, I have been able to use the Pythagorean identity to get (-cos^2(theta) + cos(theta) - 1 = 0), which I then multiplied by -1 on both sides to get:

asked by Veronica on March 24, 2011
75. ## english

hi~i'm writing a paragraph about High Absenteeism from School. could you help me to correct the grammar and see whether my ideas relates to my tpoic or not. The topic of absenteeism in school can be approached from several angles due to its complexity.

asked by Jc on June 6, 2007
76. ## small engane

FIGURE A-9—This photo should be used to answer Question 15. 15. Two small engine technicians are disassembling the engine shown in Figure A-9. After observing the engine components, both technicians say that this engine has a splash-type lubrication

asked by Amanda on September 5, 2013
77. ## physics

A cylinder is fitted with a piston that is connected to the bottom by a spring. The spring has a spring constant of k = 3600 N/m. The cylinder is open to air at the top and is frictionless. The radius of the cylinder is 25 mm and the piston has negligible

asked by jeremy on November 21, 2013
78. ## physics.pls help

Participants in a road race take water from a refreshment station and throw their empty cups away farther down the course. If a runner has a forward speed of 6.20m/s, how far in advance of a garbage pail should he realease his water cup if the vertical

asked by ted on November 9, 2011
79. ## physics.pls help

Participants in a road race take water from a refreshment station and throw their empty cups away farther down the course. If a runner has a forward speed of 6.20m/s, how far in advance of a garbage pail should he realease his water cup if the vertical

asked by ted on November 8, 2011
80. ## finance

The Acme Company has its European subsidiary based in the Euro zone. The subsidiary must solve a series of five problems that require you to apply the concept of "time value of money," or TVM. The five problems are listed below. Solving them will require

asked by Anonymous on May 8, 2008
81. ## science

When comparing hemodialysis and peritoneal dialysis, it can be said that A. hemodialysis takes longer than peritoneal dialysis. B. peritoneal dialysis involves the removal of blood from the patient. C. hemodialysis is a step closer to the need for

asked by Anonymous on December 29, 2010
82. ## health

When comparing hemodialysis and peritoneal dialysis, it can be said that A. hemodialysis takes longer than peritoneal dialysis. B. peritoneal dialysis involves the removal of blood from the patient. C. hemodialysis is a step closer to the need for

asked by KYM on December 29, 2010
83. ## math

New photo imaging techniques on computers allow artists to distort an image from its original shape. Figure 1 is a square image (X x X). Figure 2 is stretched 4 units wider and shrunk 4 units shorter than figure 1. (x+4)(X-4). How many square units greater

asked by Jane on May 10, 2013
84. ## Math

how do I solve this problem. In 1920 the record for a certain race was 445.7 sec. In 1970, it was 44.2 sec. Let R(t) = the record in the race and t = the number of years since 1920. a) Find a linear function that fits the data R(t) = b) What is the

asked by lisa on September 26, 2010
85. ## math

I am having trouble understanding how to solve this problem. I found an answer, about 74.2%, but I am not sure if that is correct. Any help would be greatly appreciated! A chess board has 64 squares, 32 white and 32 black, and is played with 16 black and

asked by anonymous on May 25, 2015
86. ## physicS IMP PLS

Consider a rocket in space that ejects burned fuel at a speed of Vex = 1.5 km/s with respect to the rocket. The rocket burns 5% of its mass in 280 seconds. (a) What is the speed V of the rocket after a burn time of 140 seconds (in m/s)? (b) What is the

asked by Hil on December 9, 2013
87. ## communication

where could find a good web site that would show me how to write a negative message to the phone company about charges that should not have been on your last month's bill. http://owl.english.purdue.edu/handouts/pw/index.html There are several sections in

asked by ann on July 4, 2007
88. ## My Friend Needs Help With a Calc Problem.

how does five degrees east of north keep a plain going north when the wind pushes the plain four point six degrees west of north? This is not calculus. It is a vector problem. THe wind is pushing the plane west. If you need the solution, to find the

asked by Sarah on October 12, 2006
89. ## Computer programming

The code below is supposed to calculate the average for a student using 10 grades. It contains several errors. Rewrite the code using the correct naming conventions and turn in the full solution and discuss using this topic. Dim arrGrades(10) as integer

asked by Brenda on August 17, 2010
90. ## Chemistry

Citric acid is a tri-protic acid with a Ka1 =8.4x10-4 Ka2=1.8x10-5 and Ka3=4.0x10-6. calculate the pH at the 2nd equivalence point in the titration of 85.5 mL of a .21 M citric acid solution with .25 M NaOH. Calculate the pH, after 25.8 mL of NaOH have

asked by Jill on December 9, 2015

Please check the solution below: X, is assumed to be a random variable by placing letters of the word “YACHT” in a hat. If these letters are withdrawn then it gets replaced. A value of 1 is given when a vowel is retrieved, and a value of 2 is given

asked by Anonymous on September 13, 2017
92. ## Finance

Consider a firm that has decided to make, but has not yet announced, a large “bonus” cash dividend amounting in the aggregate to $5 million. The firm has 1 million shares outstanding that sell for$20 each. The firm has no debt; there are no taxes; and

asked by Dantes on October 20, 2011
93. ## Physics

A hardworking ant must supply 0.00955 N to pull a small piece of fruit at constant velocity over a distance of 8.60 cm up a small hill to the entrance of the colony. If the coefficient of kinetic friction between the piece of fruit and the 16.2° sloped

asked by Anonymous on November 4, 2013
94. ## Physics

A hardworking ant must supply 0.00955 N to pull a small piece of fruit at constant velocity over a distance of 8.60 cm up a small hill to the entrance of the colony. If the coefficient of kinetic friction between the piece of fruit and the 16.2° sloped

asked by Anonymous on November 3, 2013
95. ## Physics

A hardworking ant must supply 0.00955 N to pull a small piece of fruit at constant velocity over a distance of 8.60 cm up a small hill to the entrance of the colony. If the coefficient of kinetic friction between the piece of fruit and the 16.2° sloped

asked by Anonymous on November 3, 2013
96. ## Science

A 40.0 g block of ice at -15 degrees C is dropped into a calorimeter (of negligible heat capacity) containing water at 15 degrees C. When equilibrium is reached, the final temperature is 8.0 degrees C. How much water did the calorimeter contain initially?

asked by Ciara on November 29, 2014
97. ## Physics

A row of seats is parallel to a stage at a distance of 8.70 m from it. At the center and front of the stage is a diffraction horn loudspeaker that has a width of 7.50 cm. The speaker is playing a tone at a frequency of 9600 Hz . The speed of sound is 344

asked by J on December 9, 2016
98. ## Physics

I have tried to solve this problem in multiple ways, but i keep getting it wrong please help A 48.0 {\rm kg} ice skater spins about a vertical axis through her body with her arms horizontally outstretched, making 1.50 turns each second. The distance from

asked by Mark on March 3, 2008
99. ## stats

20. The sponsor of a local soccer tournament is responsible for writing an article for the local paper announcing the 151, 2nd, and3rdplacewinners. If10teamsareinvitedtothe tournament, and the sponsor wanted to get the article written in advance so it can

asked by tim on February 26, 2012
100. ## probability

hi i really need help on how to solve these two problems, thank you so much!!! the manager of a local bank observes how long it takes a customer to complete his transactions at the automatic bank teller. a. describe an appropriate sample space for this

asked by kelly on February 18, 2009