# 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 647
1. ## Trigonometry

Express each of the following as a single logarithmic expression. All exponents must be left in radical form: 1.) 2logx-3logy 2.) logx-logy+logz 3.) 1/3log5x+2/3log6x 4.) 2/3(logbase2 x - logbase2 y) I don't understand these problems at all. Can someone

asked by Nabil on May 19, 2012
2. ## Chemistry

What mass of zinc would need to react with hydrochloric acid in order to produce 25.0 mL of hydrogen gas collected over water at 25 degrees celsius and 105 kPa. How do you solve this using the combined gas laws? The answer is 0.067 grams but how do you get

asked by Victor on April 7, 2017
3. ## Algebra

How much will you have accumulated, if you annually invest \$1,500 into an IRA at 8% interest compounded monthly for: a. 5 year b. 20 years c. 40 years d. How long will it take to earn your first million dollars? Your answer should be exact rounded within 2

asked by Mary on July 29, 2018
4. ## Math

The distance d1 in miles, a small plane is from its final destination is given by d(t) = 250 – 100t, where t is the time, in hours, remaining for the flight. Find and discuss the meaning of the intercepts of the graph of the function. (You must first

asked by Debbie on April 22, 2014
5. ## Chemistry

Calculate the mass of sodium chloride (NaCl) produced when 5.50 moles of solid sodium reacts in excess chlorine gas. (Hint: Start by writing a balanced chemical equation) Please help me understand HOW to solve this problem.

asked by Ryan on May 27, 2009
6. ## math

A water skiing instructor recommends that a boat pulling a beginning skier have a speed less than 18 miles per hour. Write and solve an inequality that you can use to find the possible distances d (in miles) that a beginner can travel in 45 minutes of

asked by trevor on August 13, 2012
7. ## social studies

6. What did the actions of the Border Ruffians demonstrate about the slavery debate? Select all that apply. (2 points) that opposing sides would resort to violence that abolitionists would triumph by using the press that settlers would follow the laws that

asked by Emily Warren on February 1, 2017
8. ## Child ,family and community

How do adults contribute to children's sense of initiative? A. By punishing mistakes, so the child learns to avoid them B. By keeping them from trying new things because they might do it wrong C. By encouraging them to explore, try things out, and solve

asked by Diana on July 5, 2019
9. ## Physics

A 2260kg truck drives East with a constant velocity of 18m/s. It comes to a stop after traveling 123m. What is the noraml force exerted by the road on the truck? Also, is the distance travelled essential to solve the problem or is unnecessary information?

asked by Grace on October 17, 2016
10. ## Physics

A rock of a mass 0.2kg is attatched to a 0.75m long string and swung in a vertical plane. What is the slowest speed that the rock can travel and still maintain a circular path. so, i started with the following equation: Fc= mv2/r but where do i go from

asked by Lila on October 24, 2009
11. ## Maths

A Swiss Roll cake is 21cm long. When I cut it onto slices if I reduce the thickness of each slice by 1/4cm. Taking x as the number of thicker slices, write down an equation in x and solve. I just don't undertsand how to form the question.

asked by Remy on January 10, 2011
12. ## physics

A 90kg halfback moving at 4.0m/s on an apparent breakaway for a touchdown is tackled from behind. When he was tackled by a cornerback of mass 78.3kg running at 7.48m/s in the same direction, what was their mutual speed immediately after the tackle? how in

asked by Anonymous on May 31, 2018
13. ## science/astronomy

ok so I have this question which asks that considering water erupts from Saturn's moon(Enceladus) and escapes into space, what would be the water's minimum speed of eruption. A. 100km/h, B. 210km/h, C. 425km/h, D. 850km/h, E. 1700 km/h If anyone knows how

asked by Jessica on November 25, 2018
14. ## Physics

A rock of a mass 0.2kg is attatched to a 0.75m long string and swung in a vertical plane. What is the slowest speed that the rock can travel and still maintain a circular path. so, i started with the following equation: Fc= mv2/r but where do i go from

asked by NeedHelp! on October 24, 2009
15. ## Physics STUCK!

A point on the A string of a guitar oscillates in approximately simple harmonic motion with a frequency of 113 Hz and an amplitude of 1.04 mm. Find the maximum speed and acceleration of this point. SOLVE FOR: vmax = amax Can you please provide me with the

asked by High School STUDENT on January 24, 2013
16. ## Math

9.The formula F=9/5 C+32 can be used to convert a temperature from degrees Celsius to degree Fahrenheit. Which of the following best represents 9/5? A.9.5 B.1.8 C.1 4/9 D.9 4/5 B 10.Mr.Cartwright bought 2 7/8 pounds of grapes for his lunches. If he paid

asked by Jerald on April 13, 2013
17. ## math

In the 17th century, there were more than 800,000 inhabitants of Paris. At the time, it was believed that no one had more than 200,000 hairs on their head. Assuming these numbers are correct and that everyone has at least 1 hair on their head, show that

asked by Dan on February 10, 2012
18. ## chemisry.Electrochemical Measurement of Concentrat

A calibration curve to show how the cell potential varies with [Cu2+] may be constructed. A plot of cell potential (in V, with the same sense as in question 1) versus log10[Cu2+] should yield a straight line. What is the slope of this line? The answer

asked by Mahtab on April 9, 2012
19. ## science

A steel wire is tied to two chairs and kept taut. 2 students sit one on each chair. A weight is attached to the long wire with help of a string and a pointer is attached to the weight to show the reading. What will happen to the arrow when candles are lit

asked by pricilla on October 11, 2010
20. ## Math

There's a question I've been having difficulty solving, and I would really appreciate if you can show he steps to how I can achieve the answer. QUESTION: The numbers 1, 4, 10, 20, and 35 are called tetrahedral numbers because they are related to a four

asked by Sarah on July 27, 2015
21. ## Math

I need help with this homework question: The dosage for a medication is 1/3 ounce for every 40 pounds of body weight. At this rate, how many ounces of medication should a physician prescribe for a patient who weighs 150 pounds? Write the answer as a

asked by Lisa on November 10, 2008
22. ## need ideas for essay

The prompt is: Write about a time when you had to show respect for authority, even though it was difficult to do so. Feel free to draw on examples from books, movies, or television shows. Any ideas? Isn't this the time YOU (not I) had to respect authority?

asked by Anonymous on October 12, 2006
23. ## writing

i need to write an essay for latin literature. It needs to show what are the similarities and differnces between roman writers and the media of today.it has to compare and contrast the latin writers and today's media including television,radio,the

24. ## Multivariable calculus

Hello, I have the next exercise about chain rule in multivariable calculus: I have to show that the differential equation: y(dz/dx)-x(dz/dy) = (y-x)z can be change to the equation: (dw/dv) = 0 using the new variables: u= (x^2)+(y^2) v = (1/x)+(1/y) w =

asked by Susan on June 11, 2017
25. ## PHYSICS

Hi! I have some questions from a study guide in my physics class, and they give me the answer, but I have to show how to get the answer. I did most of them, but need help with these. Here is problem #4: What is the increase in thermal energy to a 2000 kg

asked by Anna on March 7, 2013
26. ## chemistry

The balanced equation doesnt seem to help because the thiosulfate is not in the equation, I think it is preventing the reaction from going backwards. THe equation is: 2iodide ion + hydrogen peroxide + 2 H3O --> elemental iodide + 4 H2O within the reaction

asked by jacob on February 5, 2007
27. ## Chemistry

MnO2(s) -> MnO(s) + 1/2O2(g) Delta H1 = +32.5 kcal MnO2(s) + Mn(s) -> 2MnO(s) Delta H2 = -59.0 kcal Calculate Delta H final of MnO2 in KJ. The answer is not as important to me as the explanation. So, can someone please show me how to do this type of a

asked by Lisa on April 26, 2010
28. ## school of the nation

Marie gets \$500 pocket money each day,she spends \$300 each day. Write fractions to show the money spent and money left: (1) at the end of 1 day (2) at the end of 1 week

asked by martin on October 13, 2015
29. ## maths a

Charlotte received a score of 68 on both her English and Maths tests. The mean for English was 52 and the mean for Maths was 55. The standard deviations for English and Maths were 10 and 8 respectively. In which subject did Charlotte perform better?

asked by jay on September 11, 2014
30. ## Math

Will bought a package of 24 juice bottles for \$7.44. Which equation relates the cost, c, of a package of juice bottles to the number of bottles, b, in the package? A. C= 0.31b B. C= 3.10b C. C= 3.23b D. C= 7.44b Also, please show how you solved!!!

asked by Niamh on April 28, 2014
31. ## math , help,algebra

i am up to this point in my problem but i don't know what to do next with it can someone show me. Directions: Simplify by combining like terms x radical(18) minus 3radical(8x^2) these are the steps that i've done so far. = x radical (2*9) -3radical

asked by jasmine20 on March 25, 2007
32. ## SAT essay

Should people change their decisions when circumstances change, or is it best for them to stick with their original decisions? Environments, including the people around us, the values of society and the opinions of the majority, always exert influence on

asked by Mercedes on November 4, 2009
33. ## statistics

the participants in a television quiz show are picked from a large pool of applicants with approximately equal number of men and women.Among the last 11 participant there have been only 2 women.If participants are picked randomly,what is the probability of

asked by lauren on December 6, 2009
34. ## elementary stats

the participants in a television quiz show are picked from a large pool of applicants with approximately equal number of men and women.Among the last 11 participant there have been only 2 women.If participants are picked randomly,what is the probability of

asked by Rose Bud on February 23, 2012
35. ## American government

The equal protection clause of the fourteenth amendment prohibits states from denying "any person within its jurisdiction the equal protection of the laws." How does the language of the equal protection clause show intention to safeguard all groups civil

asked by Leslie on November 16, 2016
36. ## Algebra

Neil gets in an elevator at the 30th floor and it begins to move downward at a speed of 8 feet per second. After 12 seconds the elevator is 240 feet above ground. a. Let y= the height in feet of the elevator 'x' secinds after Neil got in. Write an equation

asked by Natalie on March 4, 2014
37. ## history

Because every day Americans vote on representatives who in turn vote on legislation, rather than Americans voting on issues directly, our system of government is known as a _____________. republic nation constitutional monarchy democracy The 3/5ths

asked by lydia on November 3, 2018
38. ## Math

An artist entered two paintings (Lighthouse and Old Cathedral) in a show. He feels that the probabilities are, 0.15, 0.18, and 0.11, respectively, that he will sell the Lighthouse, the Old Cathedral, or both. What is the probability that he will sell

asked by Michael on March 25, 2007
39. ## Statistics

A robber has stolen a locked briefcase. The lock on the briefcase can be opened with a three-digit code, where each digit is one of the digits from 0 to 5.a) How many codes are possible if each digit may be used more than once?b) How many codes are

asked by tamar on November 17, 2017
40. ## math

a recipe for 50 banana cookies uses 1 1/2 pounds of bananas. How many pounds of bananas would you need if you wanted to make 75 banana cookies? 1 1/2 divided by 50 and I looked at a measuring and came up with 2 1/4 but don't know how to show how I got that

asked by shirley on September 24, 2014
41. ## math

Joey's playhouse has a perimeter of 28 feet. What could be the dimensions of the playhouse? Draw a model and label the length and width. Show that the dimensions equal a perimeter of 28 feet.

asked by Gabrielle on April 7, 2015

If a certain oxide of nitrogen weighing 0.11g gives 56 ml of nitrogen and another oxide of nitrogen weighing 0.15 g gives the same volume of nitrogen (both at STP), show that these results support the law of multiple proportions.

asked by Akashdeep on May 3, 2010
43. ## Math

At a summer camp there are 60 girls and 30 boys. Twenty percent of girls and 40% of boys passed the swimming test. What percent of the campers passed. Please show working.

asked by Devon on February 12, 2012
44. ## Chemistry

Use Lewis Symbols to show the reaction of atoms to form arsine, AsH3. Indicate bonding pairs in the Lewis formula of AsH3 are bonding and which are lone pairs.

asked by Lauren on November 30, 2007
45. ## ALGEBRA

can you help me with this. d don't get it at all :( let n be the number used for the given number puzzle. use algebra to show how the puzzle works. 1. pick a number 2. subtract 9 3. multiply by 6 4. divide by 3 5. add 18 6. subtract twice your original

asked by ROBERT on September 24, 2008
46. ## Physics

A 5 kg magnet exerts a constant force of 3 N on a 0.25 kg magnet. 1) What force will the smaller magnet exert on the larger magnet? Please show step by step including the right equations for this problem

asked by Anonymous on October 2, 2016
47. ## math

a boat took 5 hours to travel 60 km up a river, against the current. the return trip took 3 hours. find the speed of the boat in still water and the speed of the current. if possible, show your steps

asked by jacob on June 9, 2019
48. ## chemistry

What is the complete decay series for 241 Am: show every alpha, beta and gamma decay product. What is the reason for beta and gamma products to be in the alpha chain?

asked by What? on November 20, 2012
49. ## Chemistry

Given the density of copper 8.96g/mL, zinc 7.14g/mL, and brass 8.36g/mL. What is the fraction of copper and zinc in brass (expressed as %)? Please show me step by step how to calculate this. Thank you.

asked by Anonymous on September 19, 2012
50. ## Chemistry

Equation: 3CaCl2 (aq) + 2 Na3PO4 (aq) → Ca3(PO4)2 (s) + 6 NaCl (aq) How many grams of Ca3(PO4)2 are formed when 450.0 g NaCl are formed in the reaction? please show steps, please

asked by Sarah on February 6, 2013
51. ## english

Hi I have to write a paper on 2 opposing sides of tattoos. but everytime I show my teacher 2 sides I think of she keeps saying the paper is still one sided. Can someone please help me find 2 truly opposing arguements when it comes to tattoos thanks sooooo

asked by jenny on December 12, 2008
52. ## maths

john,peter and mary shared a sum of money in ratio 2:4:9.john and peter together received \$360.how much money was shared?plz to show working

asked by krissy on January 23, 2014
53. ## math

Here is the question I have to answer. Find the area of the specified figure. Show how you can use the formula for area to find the answer. I know you can't see the graph but can you direct me in the right direction of solving these. I don't know if there

asked by ed on April 4, 2010
54. ## Focus on the Caregiver

The most effective way to help a child learn new behavior is to A. teach it during story time. B. model the behavior whenever appropriate. C. read about the behavior to the child. D. show videos that teach the new behavior. my answer is b.

asked by Priscila on August 30, 2017
55. ## physica

help A thermally insulated vessel containing 100 grams of ice at 0 degrees Celsius . Water at 55 degrees celsius is poured and after some time , the system reaches the equilibrium at a temperature of 10 degrees Celsius. That amount of water in grams was

asked by David on November 17, 2014
56. ## Physics

A plane flying in a straight line at constant altitude of 2000 m above the ground with a speed of 200m/s drops an object. Explain how the velocity of the object is actually affected by air resistance. Show how the resistivity force of air and velocity of

asked by Shin on March 3, 2014
57. ## Trigonometry

I really need help with this trigonometry question.please any help is appreciated. 1.I have to draw the graph of y=cos x from 0deg to 360deg. 2.Be sure to show a table of vales similar to the this table. colum X l colum :y=sinx 0 l 0.00 pi/10 l 0.31 pi/5 l

asked by anon on March 7, 2011
58. ## physics

a bullet of mass 0.015kg strikes a ballistic pendullum of mass 2kg.the centre of mass of the pendulum rises a verticle distance of 0.12m.assuming that the bullet remains embedded in the pendulum, calculate the bullets initial speed.(show all calculations

asked by Anonymous on April 28, 2013
59. ## Stats

Think of a situation like the thinking-suppression device example. Come up with a plausible scenario, with real-life data, using an observable that is binomial, and which you can measure in at least two di erent groups. For example: you might ask if

asked by Michele on November 13, 2007
60. ## Physical science

On a perfect day, you are hovering at low altitude in a hot-air balloon, accelerated neither upward or downward. The total wieght of the balloon, including its load and the hot air in it is 20,000N. Show that the volume of the displaced air is 1700 m3

asked by Rachel on February 24, 2008
61. ## Math = graphing

my daughter has to make a graph to show the number of deaths in 1593 as compared to the number of those deaths caused by the bubonic plague. The months are given (March through December) with the total of each during each month. She is unsure as to what to

asked by Lisa on October 22, 2007
62. ## physics

A projectile is launched from ground level at 37.0 m/s at an angle of 30.6 ° above horizontal. Use the launch point as the origin of your coordinate system. (a) How much time elapses before the projectile is at a point 8.9 m above the ground and heading

asked by Tsion on February 1, 2014
63. ## English

Hello! I am having trouble with this question based on the poem: "The Lake Isle of Innisfree," by W. B. Yeats: "I will arise and go now, and go to Innisfree, And a small cabin build there, of clay and wattles made: Nine bean-rows will I have there, a hive

asked by Esmerelda on December 20, 2014
64. ## Biology/ a&p

Which of the following parts of the circulatory system carries oxygenated blood? A. An artery moving blood from the heart to the lungs B. A vein moving blood to the heart from the body C. An artery moving blood from the heart to a muscle cell D. A venule

asked by J on July 24, 2014
65. ## Biology

. Which of the following parts of the circulatory system carries oxygenated blood? A An artery moving blood from the heart to the lungs B. A vein moving blood to the heart from the body C. An artery moving blood from the heart to a muscle cell D. A venule

asked by Dulce on July 14, 2014
66. ## math

How many kilometers can light travel in 1 year? How many kilometers can light travel in 365.25 days? Show me Thank You

asked by glenn help help help on February 1, 2012
67. ## Math

What would be an expression that can be used to show how many lengths of 5/8 inch lengths of string can be cut from a 15 inch length of string

asked by Joe on November 18, 2010
68. ## Math

Use the Intermediate Value Theorem to show that there is a root of the given equation in the specified interval. x^4+x-3=0, interval (1,2). According the to theorem, I found that a is 1, b is 2 and N is 0. f(1)= 2 and f(2) = 17. Is the root (1.16,0)?

asked by KC on September 1, 2012
69. ## Math

Only boxes less than 3 1/2 ft wide will fit through a doorway. Which measurements show Th widths of three boxes that will each fit through the doorway?

asked by Maryem on February 22, 2018

there are 4 shows each day in the planetarium. if 745 people can see each show, what is the total of people who can see the shows each day

asked by Anonymous on September 7, 2010
71. ## math

show that : cos(360*+x)-tan(150*-x)sin(360*-2x)cos(-x)/ sin(90*+x)=cos2x

asked by Ben on April 16, 2015
72. ## Chemistry

Given the following general reaction: A + 2B + 3C -> P + 4Q. Show how the change in concentration of C with time is related to the change in concentration of A, B, P, and Q with time.

asked by ally on March 6, 2019
73. ## Domain and Range!

What is the domain of the function f(x)=11/Square root of 4-x^2 What is the range of the function y=8/Square root of 4-x^2 Show your steps too.

asked by Karlie on October 9, 2012
74. ## math

prove alfa+Bita=90 degree,show the maximum value of cos alfa cos bita is 1/2.

asked by deb chakraborty on April 17, 2016
75. ## math

Is the only difference between a ratio and a rate in a ratio the units are the same so they cancel out and in a rate they are different so they don't cancel out and so you have to show them?

asked by Sami on January 19, 2016
76. ## Calculus 2

∫ tan^2 (x) sec^4 (x) dx ∫ [tan^2 (t) + tan^4 (t)] dt ∫ [1-tan^2 (x)] / [sec^2 (x)] dx Trigonometric integral Please show steps so I can understand!

asked by Janice on March 14, 2015
77. ## Allgerbra

Please show me step by step how to Make a table of solutions for the equation,and then use the table to graph the equation. y = 2x -1

asked by Eric on March 26, 2013
78. ## arithmetic

In an AP the first term is 2 and the sum of the first five terms is one fourth of the sum of the next five terms. Show that the 20th term is -112.

asked by akash on February 28, 2012
79. ## Algebra 2

The focus of the parabola is (-1, -9/4), and the directrix is the line y = -7/4. Show that the point (-2,-3) on the parabola is the same distance from the focus as from the directrix.

asked by Zed on December 18, 2015

Show that the equation 2x^2 - 5x + 2 = 0 has roots that are reciprocals of each other. Under what conditions will a quadratic equation in the form ax ^2 +bx + c = 0 have roots that are reciprocals of each other?

asked by BOB on September 21, 2008
81. ## Algebra

1. Why cant you use the formula of the infinite geometric series on 1/81 + 1/27 + 1/9 + 1/3 + ..... 2. Using concepts of infinite geometric series, show that 0.9999 ..... = 1.

asked by Ruby on September 9, 2014
82. ## maths

Please help me simplify this and show full working out. (a) (2x^3 divide 3y^4)^2 multiply (x divide 3y)^-2 (b) a-a^-1 divide a^2 - 1 (c) 3^a+2 times 9^2a+1 divide by 6^2 times 3^5a+3

asked by Shane on May 6, 2013
83. ## math

A number X is 3 times greater than the number Y, and Y is 3 times greater than Z. If the sum of Y and Z is equal to 50, what is the value of X? Please show working out, thanks.

asked by anonymous on January 11, 2017
84. ## acct.information system components

can someone correct these for me when you have a chance thanks: a) source documents b) input devices c) information process d) information storage e) output devices I have to assigned them to the following titles that best plays role in the accouting

asked by student acc on December 7, 2007
85. ## Statistics

James has \$78. He nees to buy some cds and tapes. He can buy 4 cds and 3 tapes and has \$3 left or buy 3 cds and 5 tapes and has \$13 left. Using system equation, find the cost of each.

asked by Emelda on September 29, 2014
86. ## Teaching as a Profession

• Write a 200- to 300- word paper in which you list 3 to 5 factors that define teaching as a professional career. Elaborate on how these factors are employed by teachers on a daily basis. Here is what I have thus far. i was having trouble elaborating on

asked by Anonymous on June 19, 2010
87. ## Physics A level

EXAM STYLE QUESTION An aircraft is at rest at one end of a runway with its engine idling. The runway is 2.2km long. The aircraft then accelerates along the runway at an acceleration of 2.5ms-2 until it reaches its take off speed of 75ms-1 a)Calculate:

asked by jiiiiiiiiii on October 5, 2017
88. ## Geography

#63. Describe the geography of southern South America and how this geography influences economic activity? my answer: The three nations of southern South America--Uruguay, Paraguay, and Argentina--are very different from the rest of the continent. The

asked by y912f on February 1, 2010
89. ## physics

Assume that there is no friction between m2 and the incline, that m2 = 2.4 kg, m1 = 1.2 kg, the radius of the pulley is 0.10 m, the moment of inertia of the pulley is 4.8 kg m2, and θ = 25.0°. a) Find the combined mechanical energy of both masses the

asked by May on November 26, 2014
90. ## Computer Science

This was the assignment: If the first parameter is less than the second parameter add the two and print the result 10 times. THIS PROGRAM IS IN JAVA. I did everything but I can't figure out how to print the result as a loop 10 times. public static void

asked by Trish Goal on July 4, 2015
91. ## Basic Computer Science

This was the assignment: If the first parameter is less than the second parameter add the two and print the result 10 times. THIS PROGRAM IS IN JAVA. I did everything but I can't figure out how to print the result as a loop 10 times. public static void

asked by Trish Goal on July 4, 2015
92. ## part 6

It is sometimes hard to tell just who or how many people a group really represents.Many groups have titles that suggest that they have thousands or even millions of dedicated members.Many groups do not in fact represent the views of all of the people for

asked by Jon on April 24, 2007
93. ## World History

Which of the following was the major reason Philip II and Louis XIV patronizing the arts? a. They desired to show their great power through the splendor of their royal courts.*** b. They sought to distract their subjects from continuing economic problems.

asked by Olivia N J on February 1, 2017
94. ## chemistry

A chemistry student weighs out 0.0294g of sulfurous acid H2SO3 , a diprotic acid, into a 250.mL volumetric flask and dilutes to the mark with distilled water. He plans to titrate the acid with 0.2000M NaOH solution.

asked by jil on May 5, 2017
95. ## chemistry

Phenylalanyl aspartate, Nutrasweet, is an artificial sweetener used in many diet drinks. If a solution prepared by dissolving 6.068 mg of Nutrasweet in 125 milliliters of water exhibited an osmotic pressure at 25ºC of 3.23 mm Hg, what is the molar mass of

asked by Laffy Taffy on March 11, 2012
96. ## chemistry

Cellobiose(a nonvolative, nonelectrolyte) is a sugar obtained by degratation of cellulose. If 200.mL of an aqueous solution containing 1.500g of cellobiose at 25C give rise to an osmotic pressure of 407.2mmHg. What is the molecular mass of Cellobiose?

asked by Anonymous on September 11, 2012
97. ## calculus

The rate of change of an investment account earning continuous compound interest is given by dA/dt=kA where k is a positive constant. The initial account value was \$2500. At the end of the third year, the account value was \$4200. Find the particular

asked by karen on March 13, 2013
98. ## calculus

The rate of change of an investment account earning continuous compound interest is given by dA/dt=kA where k is a positive constant. The initial account value was \$2500. At the end of the third year, the account value was \$4200. Find the particular

asked by fishfry on March 13, 2013
99. ## Analytical Chemistry

You prepare a solution from 10.0 mL of 0.100 M MOPS buffer (3-morpholinopropane-1-sulfonic acid) and 10.0 mL of 0.086 M NaOH. Next, you add 1.00 mL of 8.87 × 10-4 M lidocaine to this mixture Denoting lidocaine as L, calculate the fraction of lidocaine

asked by Sam on February 26, 2013
100. ## Chemistry

This question was posted: At 22 °C an excess amount of a generic metal hydroxide M(OH)2, is mixed with pure water. The resulting equilibrium solution has a pH of 10.56. What is the Ksp of the compound at 22 °C? I have found my [OH-] concentration

asked by jen on July 8, 2012