# 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 787
1. ## Math

Two hundred four students go to after school care at Ming's school. The students are divided into 12 equal groups. Six groups play on the playground while 6 gropus work on their homework. What is the greatest number of students that play on the playground

asked by Colton on March 5, 2012
2. ## Statistics

community physicians clinic is a large clinic with 85 physicians. they treat about 8,600 patients each week. coders are expected to code 100 clinic records each day. how many Full Time Employees are needed to code these records? ( assume a five day work

asked by Anonymous on December 2, 2013
3. ## STATISTICS

I need help with 2 questions-TODAY-HELP 8. Assume that the MM207 Student Data Set is a random sample of all Kaplan students; estimate the proportion of all Kaplan students who are male using a 90% level of confidence. 9. Assume you want to estimate with

asked by kathy L on March 1, 2013

I have tried to work this one out and really can't get it. We have two carts that have magnets to keep them from touching. One cart is initially at rest and we push the second cart towards it. Because the two carts will not actually touch, the collision is

asked by hayley on July 5, 2012
5. ## help riemann sums

the expression 1/50 (1/50 +2/50+ 3/50+ .....50/50)is a Reimann sum approximation for (everything in the parantheses is square root except the 1/50 outside the paratheses) the answer has to me the integral form so from looking at the formula in my book i

asked by david on December 2, 2006
6. ## Math

A. A survey of 110 teachers showed that 28 of them have a second job. B. A survey of 90 teachers showed that 27 of them have a second job. C. A survey of 70 teachers showed that 21 of them have a second job. D. A survey of 80 teachers showed that 32 of

asked by Judy on March 27, 2018
7. ## Chemistry

A 1.00% by mass MgSO4(aq) solution has a freezing point of -0.192°C. Water has a kf of 1.86 (K·kg)/mol. (a) Estimate the van't Hoff i factor from the data. (b) Determine the total molality of all solute species. I can probably figure out the second part

asked by Trixie on February 15, 2010
8. ## chemistry

Suppose that a student performing this experiment recorded the concentration of NaOH solution as 0.513 M, instead of the correct value of 0.531 M. Assuming there were no other errors, would each of the following experimental results be high, low, or

asked by kales on April 26, 2015
9. ## Dynamics

A uniform rod m1 and having a length L is hanging vertically downward and pin supported at the center of mass of a roller (disc) which rides on a horizontal track. Assuming that the system was initially at rest find the initial acceleration of the roller

asked by Jonnie on November 8, 2015
10. ## Influential Ideas and Events Quiz( Check Answers)

(The sign "*" means that's my answer I chose for the question) Part A What is the basic independent unit of world politics? a) country b) province c) nation* d) organization Part B Which of the following groups is an example of the basic unit you selected

asked by Unknown on September 19, 2016
11. ## Art

I have tried to rephrase the sentences as you told me. Can you please have a look at them? 1)Finally, in my opinion, the way to solve the problem is very simple and consists in treating people in the same way. 2) People’s attitude to ads has changed.

asked by John on May 27, 2012
12. ## phsyics

Each of the space shuttle’s main engines is fed liquid hydrogen by a high-pressure pump. Turbine blades inside the pump rotate at 617 rev/s. A point on one of the blades traces out a circle with a radius of 0.020 m as the blade rotates. (a) What is the

asked by jack on November 1, 2010
13. ## Physics

4th order dark fringe and 2nd order bright fringe spaced 2.5 cm aparte appear on the screen placed 1 m behind the double slit. What is the spacing of the slits if the wavelegth ofincident light is 500nm? First I converted the numbers: x= .025m wavelength=

asked by Jason on April 30, 2008
14. ## algebra 1

You recently have found a location for your bakery and have started implementing the first phases of your buisness plan. Your budget consists of an 80,000 dollar loan from your family and a 38,250 dollar small buisness loan and these loans have to be paid

asked by tera on January 7, 2009
15. ## physic

Two bodies hang on a string 2.1m long. The two bodies have a mass of 3.75kg and 2.4kg respectively. If the 3.75kg mass is raised to a height of 0.545m and released, and if upon impact the mass adhere. •Mass1 = 3.75 kg •Mass2 = 2.4 kg •String length =

asked by Henry on April 2, 2009
16. ## Chem

25.0 mL of 0.100 M acetic acid (Ka= 1.8 x 10^-5) is titrated with 0.100 M NaOH. Calculate the pH after the addtion of 27.00 mL of 0.100M NaOH. my work CH3COOH + H2O H3O^+ + CH3COO^- 25mL x 0.100 mmol/ml = 2.5mmol CH3COOH 27mL x 0.100 mmol/ml = 2.7mmol NaOH

asked by Anonymous on June 29, 2010
17. ## Math

The top of a tree makes angles s and t with Points K and L on the ground, respectively, such that the angles are complementary. Point K is x meters and Point L is y meters from the base of the tree. A)In terms of x and y, find the height of the tree.

asked by Kristin on September 10, 2015
18. ## Math

q + 13 = 120 __ 8 I'm going to assume your problem is this: (q/8) + 13 = 120 If so, start by subtracting 13 from both sides of the equation. Whatever operation you do to one side of an equation you must do to the other side as well. Next, multiply both

asked by Bonnie on April 18, 2007
19. ## CHEMISTRY

calculate the ksp of Ag2SO4 with a solubility of 1.20x10-6 g/L. so my prof told me that ksp is in mol/l what i did is convert it to mol/l by dividing 1.20x10-6 to mw of ag2s04 which is 312. (=3.85x10-9) ag2s04= 2ag+so4+2 (i balanced it) Ag2SO4=

asked by chem help!! on February 5, 2015
20. ## physics

You work in a materials testing lab and your boss tells you to increase the temperature of a sample by 32.1 Celsius. The only thermometer you can find at your workbench reads in degrees Fahrenheit. If the initial temperature of the sample is 69.6

asked by Anonymous on November 17, 2008
21. ## ratios

Martha is flying to England for a visit. She intends to exchange her U.S. dollars for English pounds. The exchange rate allows 60 pounds for every 100 U.S. dollars. How many pounds will she get if she exchanges \$450 U.S. dollars for pounds? 60:x = 100:450

asked by tish on April 21, 2011
22. ## English

What sets off the main conflict in A&P Answers are Three girls in a bathing suit enter a grocery store A grocery store clerk is distracted from his work A store manager enforces the stores clothing policy Thanks Is it Three girls in bathing suits enter a

asked by snow on March 9, 2014
23. ## Math

Your class collected more than 410 cans of food for the annual food drive. In the first week, 185 cans were collected. How many cans c of food were collected in the second week? Write and solve an inequality.

asked by Mister Max on April 17, 2018
24. ## stats

18. Numerous studies have found that males report higher self-esteem than females, especially for adolescents (Kling, Hyde, Showers, & Buswell, 1999). Typical results show a mean self-esteem score of M = 39.0 with SS = 60.2 for a sample of n =10 male

asked by Anonymous on October 7, 2014
25. ## Physics

A spring scale being used to measure the weight of an object reads 17.1 N when it is used on earth. The spring stretches 4.40 cm under the load. The same object is weighed on the moon, where gravitational acceleration is 1/6g Find the reading of the spring

asked by Mike on January 24, 2013
26. ## Physics

A roller coaster with a mass of 500.0 kg starts from a height of 27.0 meters with a speed of 5.1 m/s. It descends to a height of 2.00 meters before it starts back up. Some energy is loss to the work due to friction. The speed at the bottom of the ramp is

asked by mssailormouth on June 19, 2019
27. ## math

callum wins £300 in a raffle. he gives 5% to charity. he saves 2/5 of the £300.he uses the rest of the money to buy clothes. work out how much of the money callum uses to buy clothes./ I tried this question before in a test we got given the test back and

asked by jamie on March 9, 2017
28. ## accounting

Imagine you have been selected by your manager to present a training session to a group of new employees. The new hires do not have accounting backgrounds and have little or no work history in a responsibility center. The purpose of this training session

asked by scooby9132002 on April 19, 2009
29. ## Chemistry

If 1.88 g of copper(II) chloride dihydrate is reduced by Mg(s), what is the minimum mass of Mg(s) required for this reduction? my work CuMg --> Cu(s) + Mg molecular weight= 170.482 CuCl2 . 2H2O 1.88/170.482 = 0.01103 mol CuCl2 . 2H2O =0.01103 mol Mg

asked by Anonymous on May 3, 2010

what is mental math and how does it work. the question is use mental math to find the missing numbers. look for the pattern in each chart.the chart ooks like eight boxes two rows of four, the filled in is 0,1,2,3,4the second row is empty, the second

asked by albert on August 27, 2007
31. ## physics

When a 0.045 kg golf ball takes off after being hit, its speed is 35 m/s. A)How much work is done on the ball by the club? B)Assume that the force of the golf club acts parallel to the motion of the ball and that the club is in contact with the ball for a

asked by Will on April 18, 2010
32. ## science

What properties of carbon explain carbon's ability to form many different macromolecules? What happens to chemical bonds during chemical reactions? Describe the role of energy in chemical reactions what are enzymes, and how are they important to living

asked by alec on September 30, 2009
33. ## ma1015

On anne's bicycle, the ratio of the pedal turns to rear-wheel turns in second gear is 4 to 7. If her rear wheel turns 875 times per mile, how many times does she turn the pedal in one mile? HINT: setup and solve as a proportion to find x.

asked by kathern on October 8, 2017
34. ## algebra

solve this word problem. a bank offers two accounts. Their local plan charges \$7 monthly service fee plus \$3 for each transaction. There Anywhere plan charges \$23 monthly service fee plus \$1.75 per transaction. For what number of transactions per month

asked by Cheyenne on October 24, 2014
35. ## Math

The Spanish Club is selling churros as a fundraiser. If its goal is to raise at least \$150, how many churros must it sell at \$1.25 each to meet that goal? Write and solve an inequality. a. 1.25c=>150; c=>120 b. 1.25c=>150; c=>100 c. 150c=>1.25; c=>120 d.

asked by Kaai97 on November 10, 2015
36. ## Math - Magic Square???

My daughter is in 2nd grade and has a worksheet called Magic 26. It wants her to use the numbers 1 -12. Each row, column, and diagonal must equal 26. The four corners and four center numbers must equal 26 too. (example of puzzle below) Please help solve.

asked by Janel on June 17, 2010
37. ## math

To qualify for a store discount, clay's soccer team mist spend at least \$560 for new jerseys. The team needs 20 jerseys. Write and solve an inequality to represent how much the team should spend on each jersey to qualify for the discount. I got 20x

asked by jake on February 24, 2016
38. ## story problem

Two wires stretch from a pole to two points on the ground which are 25 feet apart. The first wire is to the left of the pole and forms a 30° angle with the ground. The second wire is to the right of the pole and forms a 60° angle with the ground. How

asked by Alyssa on April 20, 2017
39. ## Fin&Acc

B3 Company is a manufacturing firm that uses job-order costing. The company's inventory balances were as follows at the beginning and end of the year: Beginning Ending Raw materia \$26,000 \$31,000 Work in process 77,000 59,000 Finished goods 124,000 139,000

asked by matt on October 5, 2007
40. ## Social Studies Ms. Sue plz check

1. Which statement best explains why the Louisiana Purchase of 1803 was important to the development of the United States? It created new taxes on imported goods. It resulted in immigration from France to the United States. It doubled the size of the

asked by tita on February 4, 2017
41. ## algebra

Harolds mother, who lives across the street, is pouring a concrete driveway, 18 feet wide and 9 inches thick, from the street straight to her house. This is to much work for Harold to do in one day, so his mother has agreed to buy 4 cubic's yards of

asked by maribel on January 23, 2015
42. ## physics

4. one joule per second is equal to one--- 5. Joules per second is an alternative unit use for expressing---- 6. A typical bicycle is a --- machine 7. When Ma>1 the machine effort force is ---- than the resistance force. 8. A landscaper pushes a lawnmower

asked by susan on November 6, 2011
43. ## algebra

Harolds mother, who lives across the street, is pouring a concrete driveway, 18 feet wide and 9 inches thick, from the street straight to her house. This is to much work for Harold to do in one day, so his mother has agreed to buy 4 cubic's yards of

asked by maribel on January 23, 2015
44. ## Chemistry

Question: A sample of Freon-12 (CF2Cl2) occupies 2.261 x 101 L at 337 K and 2.917 x 102 kPa. Find its volume (in L) at standard temperature and pressure (STP). Equation: p1v1/t1=p2v2/t2 My Work: (2.917 x 102 kPa)(2.261x101 L)/337K = (101.3 kpa)( x )/273 k

45. ## English

The author of “Hip­Hop Planet” uses the image of the candy box with a ribbon tied around it to describe the highways of Dayton, Ohio because A. it shows that not everyone can make it as a full-time rapper B. it shows how popular hip-hop music was in

asked by Sabrina on December 10, 2018
46. ## Legal Considerations

What do you think about the justice and appropriatesness of particular laws, all board member,staff and volunteers are to obey all laws in the performance of their work on behalf of Community Services? What does it tell you about the relationship between

asked by Nickey on December 7, 2006
47. ## PHYSICS CHECK WORK PLEASE

I am getting the wrong answer. Can you please check my work? My answer is off by a multiple of ten. A sample of an unknown material appears to weigh 295 N in air and 165 N when immersed in alcohol of specific gravity 0.700. (a) What is the volume of the

asked by AMY on November 8, 2012
48. ## PHYSICS (CHECK WORK)

I am getting the wrong answer. Can you please check my work? My answer is off by a multiple of ten. A sample of an unknown material appears to weigh 295 N in air and 165 N when immersed in alcohol of specific gravity 0.700. (a) What is the volume of the

asked by Amy on November 8, 2012
49. ## English+ help!!!!

how does the use of vocabulary, phrasing, and sentence structure to vary the style and tone of the writing? In the following websites, look up diction and syntax to help you decide how you'll answer this question:

asked by gen! on November 20, 2006
50. ## chemistry

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 atm, for each mole of helium,

asked by Joan on March 20, 2011
51. ## physics

lake point tower in chicago is the tallest apartment biulding in the united states (although not the tallest biulding in which there are apartments). supose you take the elevator from street level to the roof of the biulding. the elevator moves almost the

52. ## Social studies

Why did direct democracy work in Athens? A• Athens had a large number of citizens. B• Athens had a large number of slaves.*** C• Athens allowed women to participate in government. D• Athens had a small number of citizens.

asked by Cate on February 14, 2019
53. ## cheMistry

a) Silver iodide(s) is formed by the following reaction: Ag (aq) + I (aq) --> AgI (s) The Ksp for AgI = 1.8 x 10^-10 Describe, using the chemical reaction, the mathematical formula for these ions. Assuming these ion concentrations are equal, what would the

asked by hank on November 1, 2015
54. ## Chemistry

3) The chemical formula for ethylene glycol (antifreeze) is C2H6O2 and Isopropyle alcohol is C3H7OH. Calculate the new boining and freezing oints for 1000.0 g of aqueous solution (total volume), that is 30.0% solute (the antifreeze and the alcohol are the

55. ## chemistry

If you need to prepare 250.0 mL of a pH 5.00 buffer tha t has a total buffer concentration of acetic acid + sodium acetate of 0.050 M, how many moles of each will you need to prepare the solution? Given solutions of acetic acid and sodium acetate with

asked by cody on March 21, 2017
56. ## Chemistry

Calculate the molality (m) of a 6.56 kg sample of a solution of the solute acetone dissolved in the solvent ethanol if the sample contains 1.44 kg of acetone. Additional info: Molar Mass (g/mol) acetone = 58.05 ethanol = 46.07 Density (g/mL) acetone =

asked by Luc on March 2, 2010
57. ## chem

a) Silver iodide(s) is formed by the following reaction: Ag (aq) + I (aq) --> AgI (s) The Ksp for AgI = 1.8 x 10^-10 Describe, using the chemical reaction, the mathematical formula for these ions. Assuming these ion concentrations are equal, what would the

asked by hank on November 2, 2015

Learned about the HBC company, and now have to do a Ad on it. What could my title be? I was trying to look for a good slogan, but I don't know. I don't really want it to be as simple as...."Work for the HBC" I've never actually done an ad before, so I

asked by Anonymous on May 2, 2011
59. ## English

(mean,means)Fluoridated water.........fewer Americans are toothless today. (visit,visits)Grandparents and children alike..........their dentist for regular check ups. (love,loves)Dentists.......the fact that there is more awareness about dental hygeiene.

asked by Roy on May 29, 2013
60. ## Chemistry

A 1.065-g sample of an unknown substance is dissolved in 30.00 g of benzene; the freezing point of the solution is 4.25 degrees C. The compound is 50.69% C, 4.23% H, and 45.08% O by mass. Info you might need on benzene: Normal Freezing point,degrees C:

asked by JJ on February 25, 2013
61. ## chemistry

A 100ml aliquot of a water sample containing Ca(II) and Mg(II) is titrated with 22,74mL of EDTA 0.00998 mol/L at PH 10. Another aliquot of 100ml of the same sample is treated with NaOH to precipitate Mg(OH)2 and is then titrated with PH 13 with 15.86 ML of

asked by william on September 27, 2017
62. ## Chemistry

Consider the concentration of the final solution made in two volumetric flasks. In flask A the liquid was filled to a level above the mark. In flask B the liquid was filled to a level below the mark. Describe if the final concentration of the diluted

asked by Jennifer on October 25, 2010
63. ## Math

Check my answers please. 1)Which statement is an example of the Identity Property of Multiplication? a)8 • 0 = 0 b)8 • 1 = 8

asked by _Nutuge_ on August 30, 2016
64. ## calculus

Question 1: Experimentally it is found that a 6 kg weight stretches a certain spring 6 cm. If the weight is pulled 4 cm below the equilibrium position and released: a. Set up the differential equation and associated conditions describing the motion. b.

asked by shasha on March 10, 2011

A submarine is travelling parallel to the surface of the ocean at a depth of 626m. It begins a constant ascent in order to reach the surface after travelling a distance of 4420m. The ascent takes 35mins. A.) what angle of ascent or angle of elevation would

asked by Jenna on December 9, 2013
66. ## Chemistry

If the soda you are drinking contains 0.5% by mass sodium benzoate as a preservative. What approximate mass of sodium benzoate is contained in 1.00 L of the solution assuming that the density of the soda is 1.00 g/mL(the approximate density of water)?

asked by Anonymous on May 9, 2011
67. ## algebra

A chemistry lab wants to prepare 300 liters of 25% acid solution. In stock he has 20% and 35% acid solutions. How many liters of each in stock mixture should he mix tp prepare a 300-liter mixture?

asked by Anonymous on October 11, 2015
68. ## Chemistry

If saturated solution of barium chloride at 30 degree Celsius contains 150g water how much additional barium chloride can be dissolved by heating it to 60 degree Celsius? 30 degrees Celsius = 38.2 60 degrees Celsius = 46.6

asked by Emily on November 30, 2012
69. ## chemistry

What is the vapor pressure of a solution of 0.5mol of a non-volatile impurity x and 2.0 g of TaCl5 (L) at a temperature of 226 degrees celcius? The vapor pressure of TaCl5 (l) at 226 degrees celcius ,621mmHg

asked by sarah on November 9, 2014
70. ## Chem

Zinc fluoride (ZnF2) dissociates according to the following equation: ZnF2(s) ⇌ Zn2+(aq) + 2F–(aq) Ksp of this equilibrium is 3.0 × 10–2. If the concentration of zinc ions (Zn2+) in a solution is measured to be 4.4 × 10–1 M, what is the

asked by Summer on March 27, 2018
71. ## Science

A solution is made with 2 g of salt (NaCl) and 150 g of water (H2O). A). The salt and the water are BOTH solvents. B). The salt is the solute, and the water is the solvent. C). The salt and the water are BOTH solutes. D). The salt is the solvent , and the

asked by Kiley on December 14, 2018
72. ## Slopes

Given y = 2x – 4, choose the statement that accurately describes this line. The slope is 2 and the y intercept is 4. The slope is 2 and the y intercept is -4. The slope is 4 and the y intercept is 2. The slope is -4 and they y intercept is 2. The

asked by Margie on October 14, 2006
73. ## Math

1.A scientist is studying the growth of a particular species of plant. He writes the following equation to show the height of the plant f(n), in cm, after n days: f(n) = 12(1.03)n Part A: When the scientist concluded his study, the height of the plant was

asked by Blake on December 19, 2015
74. ## Algebra

A scientist is studying the growth of a particular species of plant. He writes the following equation to show the height of the plant f(n), in cm, after n days: f(n) = 10(1.02)n Part A: When the scientist concluded his study, the height of the plant was

asked by Cassie on June 3, 2014
75. ## Chemistry!!!!!!!!

A sample of Xe takes 75 seconds to effuse out of a container. An unknown gas takes 37 seconds to effuse out of the identical container under identical conditions. What is the most likely identity of the uknown gas the answer is O2. How do you solve this?

asked by Mark on October 18, 2015
76. ## alg

solve equation g+4/g-2=g-5/g-8 another qustion an elliptical track has a major axis that is 80 yrds long and minor axis 72 yards long find an equation for the track if its center (0,0) and the major axis is the x axis

asked by jerson on June 9, 2008
77. ## math

if the width of a rectangle is 5 inches shorter than the length and the perimeter of the rectangle is 80 inches. how do you set up the equation for the perimeter involving only L and how do you solve this in a linear equation algebraically to find the

asked by me on June 16, 2013
78. ## Chemistry II

How much of solid potassium chromate whould you use to prepare 2.00 L of 0.400 M potassium chromate? M x L = mols g/molar mass = mols OR M x L = g/molar mass solve for g. .400 mol/L x 2.00 = g/194 g = 155.2 Thanks!!

asked by Jayd on April 16, 2007
79. ## MATH

MR CHEN WANTS TO BUY 27 BLUE PENS AND 35 RED PENS. THE PENS ARE SOLD IN PACKAGES OF 8.HOW MANY PACKAGES OF BLUE PENS MUST HE BUY WRITE AN EQUATION USING THE LETTER B FOR THE UNKNOWN AMOUNT. THEN SOLVE THE EQUATION.

asked by JAMIE THOMAS on February 25, 2014
80. ## AP Chemistry

1,2-Benzanthracene is a yellow-brown nonvolatile solid with molecular weight 228.29g*mol-1. an 18.2632-g sample of 1,2-benzanthracene is dissolved in 250.0 g of benzene, C6H6. Whta is the vapor pressure of this solution at 25C, in millimeters of mergury,

asked by Ella on March 10, 2014
81. ## English

Thank you for your last suggestions Can you tell me if the following statements are all possible? 1) Antony stirs the crowd against Brutus 2) He turns the crowd against him 3) He urges/incites the crowd to mutiny against him 4) Is this sentence still

asked by Franco on January 24, 2010
82. ## math

Inflation is currently causing the cost of items to increase by about 2.5% per year. In 2009 a litre of gasoline costs approximately \$0.90. What will it cost to fill a 60 litre gas tank 10 years from now. Round your answer to the nearest dollar. Name at

asked by Daniel on April 2, 2013
83. ## science

Select the choices in which work is done by recording "yes" or "no": 1. Reese completing her chemistry homework. NO? 2. the movers carrying Catalina's amplifier from the moving truck to her house. NO? 3. Li pushing his motorcycle down his driveway. YES? 4.

84. ## English

1. Which of the following is a specific goal? A. I will pass as many of my courses as possible. B. I will finish my college degree. C. I will devote Wednesday this week to work on my English research paper. D. To become a doctor is my goal. is it C 2.

asked by Amy on March 13, 2013
85. ## english

arbor day words to unscramble herlets degeslin 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. Try these: http://www.ssynth.co.uk/~gay/anagram.html

asked by joe on April 30, 2007
86. ## chemistry

The electrochemical cell described by the cell notation has an Eo of -0.37 V. Calculate the maximum electrical work (kJ) the cell has done if 331.73 g of Cu(s) (Molar Mass - 63.55 g/mol) reacts. Round your answer to 3 significant figures. Cu(s) l Cu+(aq)

asked by flame on November 28, 2010
87. ## Math

In 1982 , the California Minimum wage was \$3.35.Suppose that a bartender in 1982 makes minimum wage plus \$80 per night in tips,and that they work full time(8 hrs per day, 5 days per week, 50 weeks per year) Considering a standard inflation rate of 4.5%

asked by Preia on April 30, 2015
88. ## math

A long-distance phone call costs \$0.84 for the first minute and \$0.58 for each additional minute or portion thereof. Write an inequality representing the number of minutes a person could talk without exceeding \$6. Let N be the number of minutes. Write an

asked by veronica on May 7, 2007

Compare the political structure of Hellenistic Greece to that of the Greek world before 400 B.C.E. What was the function of philosophy in Greek culture? What, according to the authors, were the principles of Greek culture? Define a polis. How did the polis

asked by Nina on June 24, 2011
90. ## trig

The average depth of water at the end of a dock is 6 ft. This varies 2 ft in both directions with the ride. Suppose there is a high tide at 4 am. If the tide goes from low to high every 6 hours, write a cosine function describing the depth of the water as

asked by ske on May 4, 2009
91. ## Accounting

Please Help I have no idea how to do this! I have to prepare a adjusting entry for year ended December 31, 2008 A. One third of the work related to 15,000 cash received in advance is performed this period. The company has a bank loan and has incurred but

asked by Amber on September 16, 2006
92. ## Biology

Plz i need help. Plants are green because the pigments in plants reflect green light. Blue and red light give them the most energy to power photosynthesis. You are conducting an experiment to see how different colors of light affect the growth of plants.

asked by Justin on September 28, 2017
93. ## Pre Cal

2cos 4theta + 1 = 0 i know how to find the degrees (the last step of the problem), but i don't know how to start the problem. Could someone please show me the steps? I assume you mean cos (4 theta) and not (cos theta)^4 cos (4 theta) = -1/2 The angles with

asked by Marie on March 7, 2007
94. ## Math

Betty decides to compare the diagonals of both the square and rectangular tables customers will use in the coffee shop. Her measurements show that the square tables have a side length of 34 inches and the rectangular tables are 29 1/ 3 inches wide and 35

asked by Kim on November 7, 2017
95. ## English

He came back home from work. He said, "I'm home." ---------------------------- Can we use 'I'm at home.' instead of 'I'm home'?

asked by rfvv on June 5, 2016
96. ## laser optics

what is laser optics, how laser optics work?

asked by serdar on May 31, 2008
97. ## Health

I have already put what I think are the correct answers. I was wondering if anyone could help me with this. I REALLY appreciate your feedback. 1- The process of breaking a complex substance down into smaller components is called? A- neutralization B-

asked by B B on May 1, 2010
98. ## Work and Family Life (WFL)

For my Work and Family Life class I my teacher gave us a picture of a child. Everyone has a child from a different country. My girl is from South Africa. On the back of the picture it talks about the girl (age, name ect. ). Then it says the child's

asked by Taylor on March 26, 2008
99. ## Socials-Ms. Sue

Outline the results of fur trade from the points of view of both the French traders and the Native peoples whom they encountered. The French traders turned France into a Royal colony. The Native people had only little access to work the fur trade, in other

asked by Sara on January 17, 2010
100. ## calculus

A trough is 10 feet long and 1 foot high. The vertical cross-section of the trough parallel to an end is shaped like the graph of y=x10 from x=−1 to x=1 . The trough is full of water. Find the amount of work in foot-pounds required to empty the trough by

asked by Caitlyn on February 27, 2012