# 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 320
1. ## Science

A pulley system shows is use to raise a load of 600N through 8m. If the effiency I 90%. Calculate a, machincal advantage b. Workdone by the effort c. Effort applied

asked by KRIS on June 24, 2018
2. ## Abnormal Psychology

Sleep deprivation impairs functioning of the A. endocrine system. C. occipital lobe. B. prefrontal cortex. D. left temporal lobe. I put D

asked by Felicia on October 23, 2012
3. ## PHYSICS

Consider a spring and block system k= 18 N/m x initial = o m x final = 0.08m Useing Hooke's law to calculate the force needed to stretch this spring 8 cm.

asked by GRISSELL on February 23, 2012
4. ## Algebra

Simplifying y^2 + 3 + 3(y^2+1) My answer is 4y^2+6 but the program I am using (Hawkes learning system) says it isnt correct. Any help would be greatly appreciated. I have even used several online calculators to verify and this is the answer they all come

asked by So Lost on September 4, 2012
5. ## Chemistry

If I add 2ml of .1M of NaOH to a buffer system containing sodium acetate and acetic acid, what will happen to the acetate concentration? Will it increase or decrease?

asked by Anonymous on November 5, 2015

The Word Bug Has A Very Different Meaning When Referring To Computers.What Is A Bug In A Computer? A.An Insect B.An Infectioun Germ C.An Unexpected Fault D.An Alarm System

asked by Janae on February 1, 2010
7. ## science

In the formation of the solar system nearly all of the mass of the solar nebula became ? Answer Are Terrestrial planets GAS giant SUN OORT CLOUD THANK YOU

asked by snow on April 14, 2014
8. ## chem

calculate the volume of water that can be treated if 50 g of potassium permanganate is added to the system. Assume that the concentrated iron (II) ions in well water is 5.0ppm

asked by shyanne on April 3, 2013
9. ## Physics

In a binary star system, two stars orbit about their common center of mass, as shown in the figure . If r2 = 2r1, what is the ratio of the masses m2/m1 of the two stars?

asked by Real on July 30, 2011
10. ## Ap bio

When an amount of heat is transferred at a steady temperature, what happens to the entropy of the system gaining the heat? a.It decreases. b.It increases. c.It is lost to its surroundings. >>> d.It is unchanged.

asked by Janis on November 14, 2013
11. ## physics

Two forces of magnitude 80n and 60n are inclinde to each other at angle 90 calculate the resultant force and obtain it direction draw the system forces.

asked by jimye jackson on September 29, 2012
12. ## criminology

Which professionals sometimes conduct research within the criminal justice system? (Select all that apply.) social anthropologists social workers psychologists sociologists B,C,D?

asked by Bri on April 6, 2018
13. ## math

the school bands sells carnations on Valentine's day for \$2 each. They buy the carnations from a florist for \$0.50 each , plus \$16 delivery charge . how will i put this in a system of equation .

asked by Trayanna on February 21, 2014
14. ## Physics

Three particles X, Y, and Z of masses 2 kg, 5 kg, and 4 kg respectively are arranged in order along a straight line. Y is 5.0 m from X and 7.0 m from Z. The distance of the centre of mass of the system of mass from X is? ANS: 6.6 m Help please? I don't

asked by Ariana on November 1, 2014
15. ## Chemistry

Answer the following question A(g) B (g) + C(g) Kp = 2.00 Assume you placed 1.0 mole each of 'A' , 'B' , and 'C' in a container. Without actually doing the calculations explain how you would determine whether or not the system is at equilibrium, and if not

asked by Patrick on February 11, 2011
16. ## Chemistry

Answer the following question A(g) B g) + C(g) Kp = 2.00 Assume you placed 1.0 mole each of 'A' , 'B' , and 'C' in a container. Without actually doing the calculations explain how you would determine whether or not the system is at equilibrium, and if not

asked by Patrick on February 11, 2011
17. ## physic

1) A 2 . 3 kg object moving at 7.3 m/s collides inelastically with a 4.0 kg object which is initially at rest. What percentage of the initial kinetic energy of the system is lost during the collision?

asked by quaviz on December 5, 2012
18. ## Chemistry

A 14.9g of lead at 92.5C is dropped into a calorimeter with 165g of water at 20.0C. The final temperature of the system is 20.2C. What is the lead's specific heat? -Could I get help setting this up? I'm not sure how I'm supposed to set it up.

asked by Nav on February 12, 2017
19. ## Physics (5)

A 2.0-kg object moving 5.0 m/s collides with and sticks to an 8.0-kg object initially at rest. Determine the kinetic energy lost by the system as a result of this collision.

asked by Anonymous on October 29, 2011
20. ## Physics

A 1000 kg rocket without an internal propulsion system is launched with an initial speed of 7.00 x 102 m/s. Determine the maximum height attained by the rocket.

asked by Arnold on May 8, 2017
21. ## Chemistry

Need help with Chemistry, thanks in advance! For the system: 2H2O(g) ↔ 2H2(g) + O2(g) ; at equilibrium 27.0g of H2O, 0.25g of H2 and 16.0g of O2 was found in a 5.0L flask. Calculate the equilibrium constant, Keq.

asked by Nick on April 11, 2018
22. ## American National gOVERNMENT

Plea bargaining is another controversial practice in the American judicial system. Should the nature of the crime affect the defendant’s opportunity to plea bargain?

asked by Anonymous on November 18, 2009
23. ## english

This technology allows the online learner to connect to the online school in order to access the courses. A. Multimedia B. Internet C. Operating system D. Browser is it B

asked by Amy on March 9, 2013
24. ## MIS

I need help with this question please. Imagine that you are developing the rules for an expert system to select the strongest candidates for a medical school. What rules or heuristics would you include?

asked by Edgar on November 3, 2015
25. ## Chemistry

PLEASE HELP OR I WILL FAIL What would be the final temperature of the system if 16.6 g of lead at 138 ◦C is dropped into 23.4 g of water at 8.68 ◦C in an insulated container? The specific heat of lead is 0.128J/g◦C.

asked by Rachel on September 22, 2016
26. ## principle of management

Acceptance sampling is A. a graphic display to illustrate whether or not a machine or process is producing output at the expected quality level. B. a proactive approach to fostering a quality-oriented organizational culture. C. a method for predicting the

asked by Ali on January 24, 2019
27. ## Physics

An electrostatic force of 5 N exists between two identical point charges, each of mass 0.01 g, placed 4 mm apart. a.) Find the magnitude of each charge. b.) One of these charges is placed into a magnetic field. Assuming that the charge has a speed of 50

asked by Nathaniel on June 12, 2006
28. ## PHYSICS!!

A 10.2 kg crate is pulled up a rough incline with an initial speed of 1.5 m/s. The pulling force is 123.0 N parallel to the incline, which makes an angle of 14.6◦ with the horizontal. The coecient of kinetic friction is 0.39 and the crate is pulled a

asked by billy on October 18, 2008

Now that you have finished your research paper, what advice would you give to students starting this course? What would you do differently if you were just starting the course? On what would you focus more? On what would you focus less? Explain your

asked by rose - Ms. Sue on June 3, 2008
30. ## Breakeven Graph

I'm not sure how to create a breakeven graph with this information. Unit sales price - \$120 Unit variable price - \$75 Fixed cost - \$4500 I figured out that it would breakeven at \$100 television sets, but I'm not sure how to create the graph. Could someone

asked by Ediese on June 13, 2006
31. ## trig

2. Determine the amplitude of: y= cos x 3. Determine the domain of: y= 4 sin x 4. Determine the range of: y= - sin x 5. Determine the period of: y= 3 sin ðx 6. Determine the phase shift of: y= 3 cos (2x -1) 7. Solve the following equation for indicated

asked by Bernice on December 17, 2009
32. ## physics

A box of weight 2N accelerates down a rough plane that is inclined at an angle 30 degrees above the horizontal. The normal force acting on the box has a magnitude 1.7 N, the coefficient of kinetic friction between the box and the plane is O.30, and

asked by Ashley on November 30, 2009
33. ## Chemistry

A chemist wishes to determine the concentration of CrO4-2 ions electrochemically. A cell is constructed consisting of saturated calomel electrode (SCE) and a silver wire coated with Ag2CrO4. The SCE is composed of mercury in contact with a saturated

asked by jake on May 28, 2008
34. ## physics

A canoe of mass 70 kg with a paddler of mass 55 kg are in a river. If the river's current exerts a force of 15 N [E] while the paddler is paddling with an average force of 22 N [N38degreesW], find the acceleration of the canoe and paddler. Use both a

asked by Jess on April 7, 2011
35. ## physics

A canoe of mass 70 kg with a paddler of mass 55 kg are in a river. If the river's current exerts a force of 15 N [E] while the paddler is paddling with an average force of 22 N [N38degreesW], find the acceleration of the canoe and paddler. Use both a

asked by Jess on April 6, 2011
36. ## precal

when i do the quadratic equation i get -17 plus or minus the square root of 193 all over 2. where do i get the two "cos 3x" roots?? solve the equation to the nearest tenth, where 0 degrees < or equal to x which is < 360 degrees. 8cos^2 3x-17cos3x+3=0 this

asked by justy on May 14, 2007
37. ## Science help.

1. The ___ is the outer, thinnest layer of your skin, which houses sweat pores. (1 point) epidermis dermis fatty layer hair 2. One of the purposes of sweat glands is to release waste products, such as water and _____. (1 point) blood dirt sugar salt 3.

asked by Someone on March 14, 2013
38. ## science

check answers 1. A box of cleaning supplies weighs 15n.if the box is lifted a distance of 0.60m,how much work is done? A. 0.040 j B.9 j C.14 j (I PICK THIS) D.25 j 2.to chop wood you apply 50.0n of force to an ax. The ax applies 600.0n of force to the

asked by Matt on January 16, 2014
39. ## Accounting

The Major Issue in inventory accounting is: A. determining whether to take inventory using cycle counts as opposed to counting all inventory only at the end of the year. B. deciding whether to maintain records on a periodic or perpetual basis. C.

asked by Dianna on August 20, 2015
40. ## Physics

Spring on Incline The block in the figure is initially at rest on an inclined plane at the equilibrium position that it would have if there were no friction between the block and the plane. How much work is required to move the block 25 cm down the plane

asked by Elizabeth on January 28, 2014
41. ## math (unit rate)

Find the unit rate. \$121.50 for working 18 hours wages = hourly rate x time 121.50 = hourly rate x 18 hours. Solve for hourly rate. how do i solve for hourly wages = hourly rate x time 121.50 = hourly rate x 18 hours. You want to get hourly rate by itself.

asked by Rebecca on August 22, 2006
42. ## Chemistry

HCl(aq) +NaOH(aq) ---> NaCl +H2O In a coffee cup calorimeter 50 ml of 2.00M HCl was combined with 50ml of 2.05M NaOH. a) What is the enthalpy change for the reaction? b) What is the molar enthalpy for the reaction? Given: Change in T= 14 degrees celsius

asked by Kuu on October 8, 2013
43. ## Chemistry

Currently studying for an lab exam. Just have a few question about a typical Iodine Clock reaction lab. In an typical Iodine Clock reaction lab what would be the state of effect of an increase in the initial concentration of persulfate ion (S2O3 2-) and

44. ## english

Hello! I'm french, I have an english homework "studying an newspaper's article" Can you correct it please please beacause I'm sure that's very bad.So please help me. During his first year, president Obama was much debated: 30 000 soldiers sent out

asked by Marie on January 4, 2010
45. ## Chem

The mass of a beaker is 5.333g. After 5.00 mL of a concentrated hydrochloric acid solution is pipetted into the beaker, the combined mass of the beaker and the hydrochloric acid sample is 11.229 g. From the data, what is the measured density of the

asked by Amy on September 2, 2015
46. ## Ashford

16. Barney: Last winter, I slipped on the outside stairs of PineTree Café and broke my leg. My fall was caused by ice on the stairs that the restaurant failed to remove. Since the restaurant clearly did not provide a safe atmosphere for its customers, I

asked by Mallory on June 18, 2013
47. ## nursing

i have to do matching and i can not figure theses out please help me!!! __1. annual evaluations __2. positive attitude __3. self- discipline __4.medical assistant __5. break-time __6. cooperation __8.team work __9. job descriptions __10.good rapport c.

asked by cass on April 24, 2012
48. ## chemistry

Hello, a few questions: Thanks so much! 1. The heat capacities of titanium and water are 0.522 J g-1 K-1 and 4.184 J g-1 K-1, respectively. What is the final temperature of the titanium-water mixture if a 175.0-g sample of titanium, initially at 90.0oC, is

asked by abby on March 1, 2014
49. ## Physics

We use a wrench to turn nuts on bolts because they require less force. Consider a hexagonal nut 1 cm in diameter. We can tighten this nut with one of two wrenches, wrench A with lever arm 10 cm and wrench B with lever arm 20 cm. Both wrenches have a very

asked by Tony on March 6, 2013
50. ## chemistry

Two liquids A and B on mixing form an ideal solution. The vapour pressure of the solution containing 2 moles of A and 4 moles of B is 0.2 atm. If the vapour pressure of pure A at a certain temperature is 0.3 atm then what will be the vapour pressure of

51. ## Algebra

1. How many real solutions does the function shown on the graph have? The graph is following the function: y=(x+2)^2 A. No real solutions B. One real solution** My answer C. Two real solutions D. Cannot be determined 2. What is the solution to 3x^2+3x+5=0?

asked by Mitch n' Joey on October 25, 2017
52. ## science

What can be concluded if the family finds out the lights in the bathroom work, but the floor lamp and tv set still do not work? 1. The electrical service to the cabin has not gone off. 2. The bathroom lights are on the same circuit as the floor lamp and tv

asked by miss on May 28, 2016
53. ## literary

I have to write a comparative essay please review it for me thank you. Antigone and Whale Rider In the play Antigone by Sophocles and movie whale rider directed by Caro. The two characters are Paikea and Antigone they both have similarities in common .Both

asked by manal on October 25, 2011
54. ## chemistry

25.00 mL aliquots of the solution from Part 1 are titrated with EDTA to the Eriochrome Black T end point. A blank containing a small measured amount of Mg2+ requires 2.60 mL of the EDTA to reach the end point. An aliquot to which the same amount of Mg2+ is

55. ## Please Check (Public Speaking)

1. (TCO4) Cultural identity: A comes from our ethnicity and race becomes more important to people as they get older is determined by the importance that we assign to membership in cultural groups doesn't matter if you are a member of the dominant culture

asked by Bryan on February 7, 2010
56. ## Math

Your Aunt will give your \$1,ooo if you invest it for 10 years in an account that pays 20% interest compounded annually. That is, at the end end of each year your interest will be added to your account and invested at 20%. What will your account be worth at

asked by Natalie on August 28, 2006
57. ## physics

Two workhorses tow a barge along a straight canal. Each horse exerts a constant force of magnitude F, and the tow ropes make an angle θ with the direction of motion of the horses and the barge. (Figure 1) Each horse is traveling at a constant speed v. How

asked by HELP on October 24, 2013
58. ## Biology

I need to find a way to measure protein concentration. It's for part of my infection and immunity lab report. We've done about radial immunodiffusion calculating the concentration of bovine serum albumin in unknown samples, and the last question is: What

asked by Abbie on February 6, 2008

hello I have subscribed with home work site" called Internet Secrets ,they offer you to design for you a web ready web site with they secrets how to publish your site and make it attractive and to make money with this site by google adsense and clicbank

asked by andro on April 22, 2008
60. ## algebra

A size 36 shoe in France is size 3.5 in England. A function that converts shoe sizes in France to those in England is g(x)=3x-94/4. A size 6 shoe in the United States is size 3.5 in England. A function the converts shoe sizes in England to those in the

asked by T on September 20, 2015
61. ## English

Writing sentence and Paragraphs. Does the below look correct? Paragraphs 2 I am very excited about making medical billing and coding as my new field of my career. Since I use to work for Mary Brecking Ridge Hospital for 6 years. I learned a lot so now I

asked by Mama on January 13, 2012
62. ## chemistry

If the volume of solute is 6 ml and the volume of the solution is 300 ml, what is the solute's percent by volume? is it solute/solution so % = 6/300 so then would it be % = .02 would i change it to 2%???

asked by lyne on March 8, 2009
63. ## Chemistry

Hydrogen peroxide can act as either an oxidizing agent or a reducing agent, depending on the species present in solution. Write balanced half-reaction equations for each of the following: (a) H2O2(aq) acting as an oxidizing agent in an acidic solution.

asked by Alexis on April 28, 2014
64. ## Rate of Change

There is a question on my homework that asks use d=1032-200t to the approximate the distance in miles and time in hours of a pilot from her destination. find the distances for the time values given in 2a and 2b 2a:t=1.5 hours 2b:t=4.8 hours how do i solve

asked by Ashley on December 14, 2006
65. ## math

Using the table (ADBC)= 8 (DACB)=5 (BADC)=3 (BDCA)=1 (DCAB)=2 (it is supposed to be a table but the table won't paste correctly). Deter mine: a) deter mine the winner using the Borda count b) deter mine the winner using the Hare method? What round did you

asked by jason on November 20, 2008
66. ## Account Tax

Frankland Company is an accrual method company, On December 30, 2003, it received a prepayment of \$36,000 from a tenant, who is leasing a warehouse from Frankland. The payment represents the rental for the period January 2004 through December 2006. How

asked by Jane on April 20, 2009

Biking is a cheap form of transportation, but walking might be safer. Driving is usually the fastest method of getting around. However, careless drivers with their distracting cell phones make the roads dangerous for everyone 1. In the above passage An

asked by Jim Collum on June 12, 2013
68. ## pseudocode programming

need help to write a sumsquare function module and then rewrite that fuction module into an algorithm from this pseudocode. count integer square integer sumsquare integer count = 0 square = 1 do while count

asked by alberto on August 9, 2008
69. ## college - computers in operation managment

It’s lunch time and you’re at Subway. You would like to get a 6” sub sandwich and a beverage for sure and are deciding whether or not you would also like soup and/or a cookie. You only have \$13 on you. You also have certain nutritional requirements

asked by Diceykid10 on April 20, 2010
70. ## Math

Sarah is giving toys to the kids on the playground. She wants to make sure each child receives the same amount of each toy. Each child must have exactly the same number of pieces of chalk and jump ropes. She has 16 pieces of chalk and 24 jump ropes. a.

asked by Anonymous on October 5, 2013
71. ## finance

A company wants to invest in a new advertising program. Using the NPV method of capital budgeting, determine the proposal’s appropriateness and economic viability with the following information: • The new program will increase current sales, \$10

asked by liza on November 18, 2010
72. ## physics Bob Pursley plz help

A satellite in a circular orbit around earth with a radius 1.019 times the mean radius of the earth is hit by an incoming meteorite. A large fragment m=60 kg is ejected in the backwards direction so that it is stationary with respect to the earth and falls

asked by Andy on November 30, 2009

Hi, sorry I missed out something. The titrant used was 0.100M Sodium thoiosulphate.Do I have to consider its concentration in the calculations? Thanks a lot. Posted by angela on Tuesday, August 3, 2010 at 6:58pm. Please help to determine the (%w/w) benzoyl

asked by angela on August 3, 2010

Date|Units Purchased|Cost Per Unit January1| 10| 8.00 (Beginning inventory) January18| 50| 9.00 February20| 20| 11.00 March15| 10| 12.00 (Ending inventory: 19) The specific identification method indicates the following units to be on hand: January 1, (2);

asked by TheRealPrincess on December 9, 2016
75. ## question

Mini Makers, a small manufacturer of action figures, is formulating a budget for next year's promotional activities. The company decides to budget \$50,000 for promotional expenses (an amount equal to its nearest competitor's allotment.) Mini Makers is

asked by matt on November 10, 2014
76. ## physics

I have a question based off of the response to the question I posted below. Sorry, i wanted to make sure that i clearly understood,so My question about the third solution is: Is the horizontal force zero N? or is it 721.3N? A dragster and driver together

asked by alexa on July 3, 2011
77. ## physics

A 2kg. lump of clay traveling at a speed of 20m/s collides with and sticks to a 5kg. lump of clay initially at rest and hanging from a string. Find the final speed of the new lump of clay. How high will the clay swing after the collision? (initial) m1=2kg.

78. ## Account

Howie Stars produces starts for elementary teachers to reward their students. Howie Stars' trial balance on June 1 follows "HOWIE STARS Trial Balance June 1, 2012" Balance Account Title Debit Credit Cash \$14,000 Accounts receivable 155,000 Inventories:

79. ## Socials

This question is on the same primary source. Do you think that this inquest led to improvements in the working conditions for climbing boys? Why or Why not? Yes, for sure improvements were made in the working conditions for climbing boys. The parliament

asked by Sara on November 29, 2009
80. ## Calculus1

A car braked with constant deceleration of 16 ft/sec^2 takes 200 ft to come to a complete stop. How fast was the car traveling when the breaks were first applied? A) if the brakes were first applied when t = 0 at position s(0) = 0, the initial velocity is

asked by ACDub on April 9, 2014
81. ## H.E.L.P

1. Which of the following describes the correct sequence of the movement of food during digestion? stomach, large intestine, small intestine *** mouth, esophagus, small intestine esophagus, stomach, small intestine small intestine, stomach, large intestine

asked by Anonymous on May 10, 2014
82. ## Science

1. Which of the following describes the correct sequence of the movement of food during digestion? stomach, large intestine, small intestine *** mouth, esophagus, small intestine esophagus, stomach, small intestine small intestine, stomach, large intestine

asked by Anonymous on May 10, 2014
83. ## physics

a) A stepped optical fiber consists of a central cylindrical core of refractive index n1 and a cladding of refractive index n2. Show that the maximum acceptable angle at which light enters the plane end of the core of the fiber from air is èmax = (sin^-1)

asked by Karaokyanus on October 16, 2011
84. ## Chem

In photography, unexposed silver bromide is removed from film by soaking the film in a solution of sodium thiosulfate, Na2S2O3. Silver ion forms a soluble complex with thiosulfate ion, S2O3^2-, that has the formula Ag(S2O3)2^3-, and formation of the

asked by JIm on March 10, 2015
85. ## psychology

I chose the answer that I believe to be correct. I need help from an expert to indicate if the answers that I chose are right or wrong answers and indicate the correct letter or answer needed. Question 1 1. Counselors use Bronfenbrenners model most

asked by Sharon on October 15, 2014
86. ## Chemistry

I am using 85% ACS grade phosphoric acid. I need to make a 21% phosphoric acid solution with a total volume of 250ml. I have been told that 37ml of the 85% ACS grade phosphoric acid plus 188ml of Deionized water will create the 21% phosphoric acid solution

asked by Melissa on December 9, 2016
87. ## math

What are Base Ten Blocks? Since this is not my area of expertise, I searched Google under the key words "base ten blocks" to get these possible sources: http://www.susancanthony.com/Resources/base10ideas.html http://www.learningbox.com/base10/ From what I

asked by Miranda on February 8, 2007
88. ## math

Nick has a revolving department store credit card account with an annual percentage rate of 15%. Last month’s balance on the account was \$423.78. During the current month, he made pur- chases totaling \$123.42 and made a payment of \$100. The store uses

asked by lauren on November 18, 2013
89. ## Physic II

Heat can be transformed into work with 100% efficiency , but work cannot be transformed into heat with 100% efficiency. False right?

asked by rujiye on April 30, 2014
90. ## English

The students are not so talkative in their new seats, but, they still work well in groups. The students are not so talkative in their new seats, but they still work well in groups. Which way is correct?

asked by Pete on March 3, 2011
91. ## statistics

Can you please tell me how to solve for the following? Pedro took an exam in a class in which the mean was 64 with a standard deviation of 6. If his z score was +3, what was his exam score? A students commute to school is normally distributed with a mean

asked by Sandra on July 28, 2013
92. ## math

An animal shelter has 24 large cages and 42 small cages that need to be cleaned. The director of the shelter wants to divide the work so that each person cleans the same number of large cages and the same number of small cages. What is the largest number

asked by lisa on December 8, 2014
93. ## Calculus with Diffrential Equations: Pleease help?

Suppose that represents the temperature of a cup of coffee set out in a room, where T is expressed in degrees Fahrenheit and t in minutes. A physical principle known as Newton’s Law of Cooling tells us that dT/dt = -1/15T+5 15T + 5. a) Supposes that T(0)

asked by Bridget on November 30, 2014
94. ## Calculus

Suppose that represents the temperature of a cup of coffee set out in a room, where T is expressed in degrees Fahrenheit and t in minutes. A physical principle known as Newton’s Law of Cooling tells us that dT/dt = -1/15T+5 15T + 5. a) Supposes that T(0)

asked by Bridget on November 30, 2014
95. ## Differential equations in Calculus...plsssss help?

Suppose that represents the temperature of a cup of coffee set out in a room, where T is expressed in degrees Fahrenheit and t in minutes. A physical principle known as Newton’s Law of Cooling tells us that dT/dt = -1/15T+5 15T + 5. a) Supposes that T(0)

asked by Bridget on November 30, 2014
96. ## art

Can some one help me with this art question. Not sure what exactly it is asking for. 1) Look at Las Meninas by Diego Velázquez and describe the formal qualities of this work in terms of its organizing space. Do the formal qualities working together create

asked by jen on March 4, 2010
97. ## History

In addition to the factors in the box, industrialization requires ___ [People with strong managerial skills Capital for invesment in industry many new graduates searching for jobs] a. access to plentiful natural resources

asked by Gigi on October 30, 2015
98. ## chemistry

I am unsure about balancing equation I would like for someone to let me know if I am working this out correctly? I have to write a balanced equation for the reaction when solid magnesium is added to a solution of lead(ii)nitrate, solid lead forms and the

asked by jazz on April 14, 2014
99. ## math - geometry

graph the quadrilateral separately nd algebraically and show if it's a square quad abcd:a(0,a) b(a,2a) c(2a,a) d(a,0)

asked by sara on November 3, 2010
100. ## Agricultural science

Draw a diagram to show the arrangement of poles at a corner or where a fence changes direction.

asked by Rampo Dieketseng on April 20, 2013