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 609
1. Math

Please help me solve this problem: My great-grandfather invested \$ 9. in a savings account in 1909. The amount of money in the account doubles every nine years. QUESTION; WHAT YEARWILL IT BE WHEN THE VALUE OF HIS INVESTMENT HITS \$1 MILLION?................

asked by Hect01 on May 14, 2014
2. chemistry

Benzene has a heat of vaporization of 30.72kJ/mol and a normal boiling point of 80.1 C. At what temperature does benzene boil when the external pressure is 490 ? I think I have the equation setup, but I can't figure out how to solve for T2..please help

asked by hannah on July 10, 2011
3. Maths Question

the slope of a curve y=f(x) is given by dy/dx= (x-1)(x-2)^2(x-3)^3(x-4)^4(x-5)^5 for what value or values of x does y have a local maximum/miniumum? justify your answer. i tried solving this question but couldn't figure out how to do it. i even asked my

asked by Khyati on October 23, 2014
4. Analytic Geometry

Solve then sketch the graph of y=x^2(4-x) (kindly answer it step by step please. Needed for my studies tonight. Final exam for tommorrow. Really need your help maam/sir.). this is on algebraic curves. Thankyou !

asked by Earl John on May 10, 2016

Use Lagrange multipliers to find the max/min values of the function f(x,y)=xy subject to the constraint: x^2/8+y^2/2 =1 so I compare the gradient vectors of both f(x,y) and the constraint: =L resulting in y=Lx/4 and x=Ly now how do i solve for L x and y???

asked by Lucy on February 27, 2012
6. Physics

Reposted under Physics... I've tried for hours to solve for v, but can't get the rearranging right. I'm using L= Lo sqrt 1- v^2/c^2 Can anyone suggest the first couple of steps? I can get the answer by the way, by substituting values 'til I get the

asked by charlie on March 27, 2009
7. chemistry

when 10.0 grams of an unknown substance is dissolved in 50. grams of water, the new freezing point becomes -3.00C. What is the molar mass of the compound? For this question can some one tell me the formulas I need to solve for this problem and I can fill

asked by Ronnie on March 7, 2010
8. Algebra

sorry clicked wrong button. solve: 9 -1=x-11 ____ _____ x-5 x+5 these are supposed to be fractions Your equation is illegible, and can be interpreted too many ways. Try writing it on a single line, using parentheses for clarity and / for fractions

asked by Daniela on October 29, 2006
9. Physics

I don't know how to solve this problem. In it, I am given the mass (4 kg), acceleration (0), velocity (20 m/s), coefficient of friction (.2), and the applied force (10 N downwards with an angle of 30 degrees above the horizontal). I must find the

asked by Corinne on November 7, 2016
10. Physics

The engine of a motorboat delivers 30.0 kW to the propeller while the boat is moving at 15.0m/s. What would be the tension in the towline if the boat were being towed at the same speed? I know to use P=Fv and solve for F so P = 3000kN right because 1 kW =

asked by Sarah on June 22, 2009
11. Math

A right pyramid,with a square base and four equal isosceles triangles ,is cut from a square piece of paper which is 3x cm long.If the area of the shaded part is 54 cm2, find the value of x.Please help me to solve this problem.

asked by Dr on August 11, 2016
12. Mortgage Payments

Chris bought a home for \$225,000, putting down 20%. The mortgage is at 6 1/2% for 30 years. Determine his monthly payment A. 1,139.40 B. 1,319.04 C. 1,216.80 D. 1,319.40. I keep getting 1137.72 however that is not one of my choices. Can someone please help

asked by Anonymous on August 1, 2019
13. Physics

A 10 N toy rocket is fired straight up [KE= 40 J]. At the very top of its trip, the total mechanical energy= 140 J. What was the final maximum height reached? When I tried to solve the problem, I got 10 m for the answer. Can anyone tell me whether or not

asked by Anonymous on January 25, 2010
14. physics

A compact disc spins at 2.8 revolutions per second. An ant is walking on the CD and finds that it just begins to slide off the CD when it reaches a point 3.1 cm from the CD's center. (a) What is the coefficient of friction between the ant and the CD? I

asked by matt on October 9, 2011
15. chemestry

how do you solve the ideal gas law when you are given the temperature in celcius instead of kelvin. Heres an example question. Calculate the volume occupied by 3.25 moles of carbon dioxide at 25degrees celcius and 750mm Hg.

asked by hellogoodbie on January 11, 2010
16. math

"solve each problem and write your answers in scientific notation." 1. (6.0•10^5) •(3.0•10^4) 2.(5•10^-2)/(2•10^3) 3.(2.56•10^6)•(3.56•10^2) 4. "In a recent year , the population was about 2.52•10^7 people. Its land area is about

asked by carley on October 14, 2016
17. Calculus

What is implicit differentiation...as in what would be the steps in solving it. I read my textbook but it seems very confusing. 1) Differentiate both sides with respect to x 2) Realize that y is a function of x 3) Solve for y Plus the d/dx notation made it

asked by Nikita on November 4, 2009
18. calculus

Solve the given equation. (Enter your answers as a comma-separated list. Let k be any integer. Round terms to two decimal places where appropriate.) tan θ = −square root of 3 answer in radian and please use the k integer

asked by Sagar on April 5, 2016
19. Calculus

I am supposed to find when there will be 40 berry bushes. I am given the function p(t)=(16t+50t^3)^1/3. P is the population of a certain type of bush in a conservation area and t is time in years. I know that i am supposed to make p(t) = 40, but i don't

asked by Lauren on March 9, 2011
20. Physics

With a tuning fork of 384 hz, resonance tube lengths are acheived at 0.647m and 1.09 m. What is the speed of sound? frequency*wavelength=vP Get your tube formulas. YOu know for some n, and n+1, the resonanance is at L those distances. Solve for

asked by Alex on January 24, 2007
21. Calculus

Suppose that a car dealer offers to sell you a car for \$16500 or for payments of \$275 per month for six years. To figure out what monthly interest (x) you’re actually being charged, you’d have to solve the equation:f(x)=60x(1+x)^72-(1+x)^72+1=0

asked by Emily on February 9, 2017
22. English

are these right sentences? 1)Shahrayar was all doing this to keep his heart safe. 2) In world literature, we came to know how every story ended by the power of the sword, but this story breaks the tradition and shows human‘s intelligence can also solve

asked by mujahid on October 14, 2010
23. Chemistry UPDATED QUESTION

A sample of air contains 78.08% nitrogen, 20.94% oxygen, 0.05% carbon dioxide, and 0.930% argon by volume. How many molecules of each gas are present in 1.00 L of the sample at 35 degrees C and 1.00 atm? Gases to solve for: N2, O2, CO2, and Ar

asked by Katie on July 14, 2010
24. Mathematics

A class writes the equation n+n+1+n+2=87 to solve the following problem. The sum of 3 consecutive odd integers is 87. Find the three integers. What error did they make? I don't know where to start. I'm confused, I need help!!! Help will be greatly

asked by Michael on November 1, 2007
25. calculus

f(x) = (9x^3 - 1x^2 + 8x + 4)/(-2x^2 - 4x - 2) What is the smallest value of x at which f(x) intersects its non-vertical asymptote? I took the slant asymptote which is -9/2x+19/2 and set it equal to the function and tried to solve it as a quadratic

asked by Pegs on May 28, 2010
26. Physics

A 200 g mass attached to a horizontal spring oscillates at a frequency of 2 Hz. At one instant the mass is at x=5 cm and has a Vx=-30 cm/s.Determine: a) the period ( i got T=.5s) b) the amplitude c) the max speed d) the total energy need equations to solve

asked by Sarah on July 7, 2010
27. math

solve: bowling fantastic pins bowling alley charges \$2.50 foshoe rental plus \$3.25 for each game. write an expression representing the cost to rent shoes and bowl g games.

asked by steph on September 5, 2012
28. geometry

Determine the volume of the figure. The base of the pyramid is the triangle and we don't know it's height I need to find it first. solve for h The numbers are 5ft and 7ft on top and 6ft and 5ft on bottom. I have no idea how to do this one can someone

asked by angela on June 24, 2012
29. math

4 E n^2/2 n=0 If I remember correctly, this is how you solve this problem... 0/2 + 1/2 + 4/2 + 9/2 + 16/2 = 15 3 E 1/n^3 n=1 1/1 + 1/8 + 1/27= 251/216 You have it. There are other ways also. For instance, if you had a sum from n=1 to 9054, summing might be

asked by Anonymous on August 6, 2007
30. chemistry

The Ksp for calcium fluoride (CaF2) is 3.9 x 10^–11 at 25°C. How many moles of solid NaF must be added to 1.00 L of 0.100 M CaCl2 in order to precipitate CaF2? Please help me set up this ICE table and understand how to solve this!! thank you!!

asked by kellie on July 28, 2012
31. math

please hel me to solve the following application. Crafts. Mark uses 1 pt 9 fl oz and then 2 pt 10 fl oz from a container of film developer that holds 3 qt. How much of the developer remains? Is this US liquid measures? There are 16 fluid ounces to the

asked by carmen on April 8, 2007
32. Physics

Trying to find escape speed from a planet and I am given the radius and gravitational field - g = 18 m/s^2. I have the conservation of energy, final energy is zero, I have the formula for V = sqrt 2GM/r, u = mgy. I have too many unknowns...I can't solve

asked by Brenda on October 23, 2012
33. Physics

I would like logic on how to solve this problem. A styrofoam ball covered with a conducting paint has a mass of 5.0 x 10 ^-3 kg and has a charge of 4.0 microcoulombs. What electric field directed upward will balance the weight of the ball?

asked by Stephanie on September 11, 2007
34. college algebra

Solve the exponential equation using logarithms. Give the answer in decimal form, rounding to four decimal places. (Enter your answers as a comma-separated list.) 4x − 3 = 32x x = _____

asked by Dee on November 17, 2013
35. math

A cold front moves through your hometown in January, dropping the temperature an average of 3 F per day for 5 days. Write an expression that uses multiplication to describe the changes in temperature from the start to the end. Help solve

asked by Joel on April 19, 2018
36. Physics

A ball is falling through the air. It has just two forces acting on it, its weight and air resistance. Which of the following statements is true? a. There are only conservative forces acting on the ball. b. There are only nonconservative forces acting on

asked by Sarah on December 12, 2011
37. hard math question

When a certain drug enters the blood stream, its potency decreases exponentially with a half life of 6 hours. Suppose the initial amount of the drug present is A (sub 0). How much of the drug will be present after each number of hours? a. 6 b. 24 c. t

asked by kristen on September 18, 2006
38. WOLRD GEOGRAPHY

9. Australian vegetation is dominated by various species of acacia and A. cacti. B. marsupials. C. ores. D. eucalyptus. Student Answer: B Answer: Incorrect Reference: 10. According to the World Health Organization (WHO), AIDS is listed as the _______ main

asked by SARAH on September 8, 2014
39. world geography

Australian vegetation is dominated by various species of acacia and A. cacti. B. marsupials. C. ores. D. eucalyptus. Student Answer: B Answer: Incorrect Reference: 10. According to the World Health Organization (WHO), AIDS is listed as the _______ main

asked by jessica on September 8, 2014
40. nicole

1. determine the exact value.. cot 7pi/6 and sec(-210degrees) 2. determine approximate measure of all angels that satisfy following, and draw a sketch to show the quadrants involved cosTHETA = -0.77, -pi lessOr same than theta less than pi and

asked by math/trig on January 30, 2013
41. Language Arts

The play is The Straw by Eugene O' Neil (scene 1-45) 1. Part B Which line of dialogue is the best evidence for the answer to Part A? A. No, your kind never realizes things till the crash comes... B. A majority of the most influential men of this city are

asked by EmberShy on February 28, 2017
42. Physics

A shell is fired with velocity having horizontal and vertical components ux, uy. At the highest point of it's path the shell explodes into two fragments of mass m1, m2, which separate in a horizontal direction. The explosion generates kinetic energy E.

asked by Jordan on September 22, 2011
43. Pre Calc

use properties of the trigonometric function to find the exact value of each expression. Do no use a calculator. sec ( - pi/18) * cos (37 pi)/18 I do not see how to do this problem. Every time I do it out I get a reference angle of twenty degrees which

asked by Pre Calc on November 13, 2009
44. physics 2...help please

A wheel on a game show is given an initial angular speed of 1.33 rad/s. It comes to rest after rotating through 3/4 of a turn. (a) Find the average torque exerted on the wheel given that it is a disk of radius 0.76 m and mass 6.4 kg. ? N·m sorry, I'm

asked by kelsey on October 22, 2008
45. English-Poetry

What does this line mean? What does it describe? Believe that right now there is someone who beleives in the eonder that's you -By Wish Belkin I think that it seems to give readers the courage to seek out in the real world and show their unique personality

asked by Sara on April 17, 2010
46. social and criminal justice

Hello I have a 2 to 3 page paper due on Monday 11/14, 2011 and I am having trouble finding good reliable information to complete the assignment. The instructions are to: Prepare a paper identifying at least three changes expected in the field of criminal

asked by Dee on November 11, 2011
47. Physics

A mass of m1 = 6.00 kg is sitting on an inclined plane, which meets the horizantal at an angle of 22.0, which has a coefficient of sliding friction of 0.290, which is 3.50 m = L. a string is attached to m1, it is strung over a pulley, and attached to mass

asked by Adrian on September 30, 2012
48. Physics

Two masses, m1=3kg and m2=2kg, are suspended with a massless rope over a pulley of mass M = 10kg. The pulley turns without friction and may be modeled as a uniform disk of radius R=.1m. You may neglect the size of the masses. The rope does not slip on the

asked by Jake on April 18, 2012
49. Chemistry

In a high temperature corrosion cell we have 5 vol% O2 and 500 vppm HCl. We know at high temperature the reaction is Deacon Process (600C) 4HCl(g)+O2(g)=2Cl2(g)+2H2O(g). We have thermodynamic phase diagram of a system (e.g., Fe-O2-Cl2) at 600 (log pO2 - x

asked by T Hussain on February 6, 2014
50. chemistry

Energy must be transferred into or out of a system in order to cause phase change.In addition changes in the energy can be directly related to pressure volume changes.If equal moles of each gas is compressed which one would have the largest pressure volume

asked by treasa on October 21, 2017
51. chemistry

Energy must be transferred into or out of a system in order to cause phase change.In addition changes in the energy can be directly related to pressure volume changes.If equal moles of each gas is compressed which one would have the largest pressure volume

asked by treasa on October 21, 2017
52. math

Let f(t) = Q0at = Q0(1 + r)t. f(7) = 75.94 and f(9) = 91.89 (a) Find the base, a. (Round your answer to two decimal place.) a = (b) Find the percentage growth rate, r. (Round your answer to the nearest percent.) r = % I honestly have no idea how to

asked by Stella on August 29, 2015
53. Physical Science

Fill in the blanks using the correct term from the list below. Active Combustion free heating systems passive heat pump thermal energy stroke 1. A house with large windows on its south side and few windows on its other sides probably uses a(n) Blank solar

asked by Lindsey on December 10, 2014
54. physics

A horizontal slingshot consists of two light, identical springs (with spring constants of 23.7 N/m) and a light cup that holds a 1.97-kg stone. Each spring has an equilibrium length of 50 cm. When the springs are in equilibrium, they line up vertically.

asked by alam on July 21, 2014
55. chemistry

Energy must be transferred into or out of a system in order to cause phase change.In addition changes in the energy can be directly related to pressure volume changes.If equal moles of each gas is compressed which one would have the largest pressure volume

asked by treasa on October 21, 2017
56. Language Arts

A Surprising Point of View: A Television Play in Two Acts 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

asked by Scarlet on May 15, 2016
57. Geography

If a country is in dire need, as in Africa for example, why can't that country's currency production be increased to pay for such things? Who decides how much the Canadian mint makes, and why can it not make money to meet provincial needs? Unrestricted

asked by Jenessa on September 26, 2006
58. KEYBOARDING

1. When keying, it's important that you keep your eyes on the A. computer monitor. B. source copy. C. keyboard. D. home row keys. 2. In the inside address of a letter, how many times do you space after a period following the abbreviation Ms.? A. None B.

asked by missi on August 1, 2006
59. physics

can somebody shows me how to get to the answer key-- a)=2.51s, b)=19.9m, and c)=11.8i-16.1j A 1.57-kg particle initially at rest and at the origin of an x-y coordinate system is subjected to a time-dependent force of F(t) = (7.00ti − 8.00j)N with t in

asked by joy on February 8, 2018
60. Chemistry

Given that ΔH (fusion) of water is 6025 J/mol, Cp,m(ice) = 37.7 J K–1 mol–1, and Cp,m(water,liquid) = 75.3 J K–1 mol–1, calculate ΔG (in J) for the freezing of 89 moles of water at 1 atm pressure and the constant temperature T = 14.4 °C. I got

asked by Brian on January 28, 2016

what is the wavelength and frequency if the wavelengthis4.5x10-7 Show wok please (-7) You have already stated the frequency. Are you talking about light? What are the units of wavelength? meters? cm? feet/ frequency = (wave speed)/(wavelength) You can do

asked by Brooke on November 28, 2006
62. chem

What mass of ice at 0°C can be melted by the addition of 1670 joules of heat? When the temperature is decreased on the following system at equilibrium: 2 HCl(aq) + Mg(s) MgCl2(aq) + H2(g) + heat a. In order to restore equilibrium, the reaction shifts

asked by skye on April 5, 2012
63. math 116

The owners of River View Bakery have hired enough servers to handle 17 tables of customers, and the fire marshal has approved the restaurant for a limit of 56 customers. The owners need to purchase two-seat and four-seat tables to accommodate the

asked by axia on May 28, 2010
64. Chemistry

A container is filled with CO2(g) and heated to 1000K. The gas pressure at this temperature is 0.50 atm. Graphite (C) is then added to the container and some of the CO2 is converted to CO according to the reaction below. The final equilibrium total gas

asked by Nat on July 24, 2013
65. physics

A string that passes over a pulley has a 0.375 kg mass attached to one end and a 0.630 kg mass attached to the other end. The pulley, which is a disk of radius 9.50 cm, has friction in its axle. What is the magnitude of the frictional torque that must be

asked by Johnathan on January 21, 2015
66. physic

The vectors that are shown in the figure below. The magnitudes are F1 = 1.81f, F2 = f, and F3 = 2.00f, where f is a constant. Description of the figure--On the first quadrant the angle is 60 degree with F3 as the hypotenuse and on the second quadrant the

asked by joy on January 27, 2018
67. physics

you are trying to balance a tray of dishes to make it easy to carry. at one end of the 0.6m tray are four plates with total mass 0.5 kg with their centres of mass exactly above the left edge of the tray. how far from the left edge should you place 2.1 kg

asked by Anonymous on March 17, 2016
68. Physics

The two masses shown in the figure are each initially 1.80 m above the ground, and the massless frictionless pulley is fixed 4.8 m above the ground. (mA = 1.5 kg and mB = 3.4 kg.) What maximum height does the lighter object reach after the system is

asked by Megan on September 21, 2014
69. English 2

'Use the resources of the internet to find out about one African kingdom of your choice. Focus on the period from about A.D. 300 to A.D. 1600. After you've decided on a kingdom to research, write about the history, religion, art, music, daily life,

asked by mysterychicken on October 10, 2010
70. Trigonometry - find all x

Find all x such that 0

asked by John on October 17, 2013
71. MATH

Mr. Smith used 17 lengths of fence to enclose his gardens. He now needs 6 lengths of fence for a dog kennel. Show how he can remove 6 lengths of fence and still have 2 squares. Please help!Thanks!

asked by VER G. on February 5, 2016
72. Langusage Arts

My 4th grades needs HELP with (Show the possession of the subject.)the car of the principals The principal's car principal's shows that the car belongs to the principal.

asked by J.R.G. on January 30, 2007
73. Chemistry

How to prepare 100mL of 3% w/w Hydrogen Peroxide from 30% w/w Hydrogen Peroxide?Specific Gravity of 30%w/w Hydrogen Peroxide is 1.11g/mL. Can you please show the calculation steps? Thanks.

asked by annie on February 18, 2012
74. math

if I have 1 dime, two nickels and 4 pennies and I have to use tally lines to show the amount of coins, do I use 7 tally lines or break each coin down into their own tally lines?

asked by joan on January 14, 2008
75. chemistry

) Indicate how each of the following errors would affect(increase, decrease, or no change) your calculated value for the molar volume of O2 at STP (assuming that you complete the expiriment otherwise correctly). In each case, explain your answer. A. Your

asked by Anonymous on December 5, 2014
76. physics

In 1989, Carl Lewis established a world record when he ran the 100. meter dash in 9.92 seconds. What was his average speed (in m/s) for the race? Remember to include your data, equation, and work when solving this problem

asked by Anonymous on August 24, 2010
77. English

The systems analyst hesitated to talk to strangers about his highly specialized work, fearing it was too ___ for people uninitiated in the computer field to understand. What goes in the blank? a) intriguing b) derivative c) frivolous d) esoteric e)

asked by Jina on February 25, 2016
78. English

The systems analyst hesitated to talk to strangers about his highly specialized work, fearing it was too ___ for people uninitiated in the computer field to understand. What goes in the blank? a) intriguing b) derivative c) frivolous d) esoteric e)

asked by Jina on February 25, 2016
79. Chemistry

Calculate the equilibrium concentration of each compound if 0.340 moles of HI are placed in a 5.90 liter container at 520°C. Kc = 0.170 for the reaction at this temperature. soo i tried doing this by setting up an ICE table and finding what x equaled

asked by Michael on May 10, 2009
80. Fine Arts

Good Morning, I am seeking assistance on my Fine Arts essay. I greatly appreciate your feedback. 1)what art i have chosen to talk about. how old is it. who is responsible for it and the medium/materials used. 2)detailed description of the piece. 3)why i

asked by Anonymous on April 28, 2016
81. languge arts

Which of theses is an example of direct characterization A: Trey's voice remained calm as he shared the news. B: taya was well know for her good looks . C: Marcus is shy and has difuclity speaking to crowd. D:haley as the first in the class to finish her

asked by britney on December 12, 2017
82. psychology

hi i need some help in my homework hope you guys could help me As she moves quietly around the restaurant where she works as a waitress, Alicia finds herself humming in her head the phrase,"just whistle while you work!"This is an example of a/an: A)

asked by cielo on November 12, 2009
83. U.S.History

not so sure about this Most African American Exodusters migrated west to a. work as sharecroppers on bonanza farms b. escape racial violence in the South c. find relatives who had fled during the Civil War d. prospect for gold and silver

asked by y912f on February 19, 2009
84. electronics

definition, kinds/types, illustration, equation, tables/graphs of: a) diodes b)capacitors c) conductors, semiconductors, insulators d)transistors e) integrated circuit f) logic gates I will be happy to critique your work on this. I am not about to do it

asked by Danielle Stacey on February 25, 2007
85. English

Will you please make sure that I have picked out the correct preposition in each sentence? 1. Parts of wrecked ships filled one room. (of) 2. A museum guide spoke to us. (to) 3. During a storm sailors work very hard. (During) 4. Clippers traded with China

asked by Reed on April 11, 2011
86. history

You work for president Lula's government. You most likely support? Tax cut for corporations. Privatization of Industry. Redirection of oil wealth to provide social services. budget cuts to education and health care

asked by helpconnexus on March 14, 2017

Hi we're practicing writing news obituaries.. This is my lead.. Can you tell me if it's ok or needs work? John Hoyer Jr., Cook County Board’s first black president, died Friday of complications from debilitating stroke suffered nearly two years earlier.

asked by Blaze on November 2, 2013
88. English

1. I had this radio fixed by the repairman. 2. I let this doll played by the boy. 3. I bade this work done by the man. 4. I helped my homework done by him. 5. I made this house built by the construction workers. ------------------------------ Are they all

asked by rfvv on August 29, 2016

use concrete, specific words with the right shade of meaning for: 1-we have found that young man are best for this work. 2- she makes good grades. 3- John lost a fortune in Las Vegas. 4- If we don't receive the goods soon, we will cancel.

asked by Elie on March 24, 2015
90. SOCIAL STUDIES

In which part of Europe would many people likely work in fishing? a.France and Switzerland, which border on the Alps. b.Russia, which has a large steppes region. c.Italy and Greece, which are near the Mediterranean d.the United Kingdom, which has the

asked by URGENT ASAP PLZZ on February 24, 2015
91. eth

Should United States government policy favor certain kinds of immigrants? o Should [citizenship] preference be given to the neediest applicants? The most talented? The most oppressed? The richest? o Should applications from certain countries be given

asked by mark on January 24, 2007
92. Physics 1

A catapult 100 m long launches a 3.0 x 10^4 kg jet from the deck of a carrier. Starting at rest, the plane takes off with a speed of 80 m/s. Find: a)The acceleration, b) the average force, c) the work done, d) time to accelerate , e) the power developed.

asked by John on November 28, 2012
93. Cosmology

The solution of Olbers' Paradox is: - The universe is opaque at large scales - The universe expands - There is simply not enough starlight in the universe - Matter is clustered in such a way that the integral brightness converges

asked by qwerty on January 8, 2013
94. ENGL essay excerpt edit

can someone edit/ give any feedback on this? Additionally, my essay The Latent Path to Progression demonstrates how creative freedom is necessary in the development of societal contributions that will ultimately lead to its progression. For instance, I

asked by christine on September 13, 2014
95. Probability

4.3. In a certain college town, 27.5 percent of the students failed Mathematics (Math), 19.8 percent failed Biology (Bio), and 11 percent failed both Math and Bio. A student is selected at random. Let A represent the event of failing Math, so that A' is

asked by Carla Lopez on September 2, 2012
96. od

Temple Corp. is considering a new project whose data are shown below. The equipment that would be used has a 3-year tax life, would be depreciated by the straight-line method over its 3-year life, and would have a zero salvage value. No new working capital

asked by linda on July 18, 2010
97. English

I still have a few more doubts on some sentences. I hope you still have time to check them. 1) Victorian values consisted in (better: implied) the possession of a comforable house, chariable activity (not actions?) and attending the church regularly. 2) As

asked by Mike on February 23, 2011
98. physical science

A football player picks up.the football runs with it and throws it to a teammate, during which of these actions is work being done on the football?

asked by kesha on June 30, 2011
99. physics problem-check

do i have the following answer right? a tv set is pushed a distance of 2m with a force of 20 N that is in the same direction as the set moves. how much work is done on the set? would it be (2 m)(20 N)= 40 J

asked by Soly on October 16, 2007
100. Math

Six whole numbers have A median of 10 A mode of 11 A range of 4 Work out a possible set of a six numbers. Write the numbers in order. Thank you.

asked by Lewis on June 9, 2017