# 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 895

1. Which of the following energy transformations best describes the operation of a solar powered battery charger? (a) electrical energy --> thermal energy --> kinetic energy (b) nuclear energy --> potential energy --> chemical energy (c) thermal energy -->

asked by Jessica on April 7, 2014

Can anyone help me on these? i have no idea how to solve it. Thanks alot! 1)On a soccer team three fullbacks can play any of the three fullback positions, left, center, and right. The three halfbacks can play any of the three halfback positions, the four

asked by Keisha on April 16, 2017
3. ## Check my answers? Science

The order of events and ages of rocks by examining positions is *relative dating*. Gaps in rock layers are called *unconformities*. What uses properties of atoms to find ages of rocks? *Absolute Dating*. A life form in Precambrian Time was *Cyanobacteria*.

asked by Ava on May 9, 2016
4. ## math

Land growing continuous grain corn as a cash crop loses soil at a rate of 14.0 metric tonnes ha-1 yr-1. This is a fertile soil, which has an organic matter content of 3.8% and nitrogen content of 0.35% (both by mass). a)Calculate how long it will take to

asked by Ramya on November 12, 2009
5. ## MATH

The height h in feet of an object after t seconds is given by the function h=-16t^2+60t+9.... How long will it take the object to hit the ground? Round your answer to the nearest thousandth.... when it hits the ground, h is zero. So you have a quadratic

asked by TB on June 24, 2007
6. ## help!/ very puzzled

remon rented a sprayer and a genarator. On his first job, he used each peice of equipment for 6 hours at a total cost of \$90. On his second job,he used the sprayer for 4 hours and the genarator for 8 hours at the cost of \$100. what was the hourly cost of

asked by casandra on June 20, 2005
7. ## 7th grade socal studies

1. According to Confucius, a society will be healthy if people (1 point) choose a ruler who inspires fear. obey their rulers without question. treat each other with respect. give each other money. 2. Two key products China traded with other countries were

asked by Delilah on September 26, 2012
8. ## ELA

Hello! I just wanted to double check my answer to see if I am thinking correctly. Read this passage: The principle of the mercury boiler is the utilization of mercury between the fire and the under-boiler surface exposed to the flame — the mercury, when

asked by Melody on May 15, 2018
9. ## english1A - Does my thesis sound better?

Which intro sounds better for my thesis? Many people have dreams whether it is to buy their dream car, dream house, or go on their dream vacation. Here in the land of freedom and opportunities, there is one dream that almost every person strives for; the

asked by Kuromi on September 30, 2009
10. ## physics

please check these: Which interaction of nature binds atoms and molecules by attracting unlike charges and repulsing like charges? a. strong b. weak c. electromagnetic d. gravitational i got A, but someone said C , so i just want to make sure How is a

asked by physics on March 14, 2009
11. ## math

1. Hot dogs come 10 to a package, and hot dog buns come 8 to a package. What is the smallest number of packages of each that Phillip could buy so that there are no leftover hot dogs or buns? Hot dogs 4 Hot dog buns 5 2. Hamburger patties come 6 to a

asked by Jimmy on February 21, 2010
12. ## verbal communication

in a business meeting in verbal communication is more tense than in a friendship communication can someone give me an example of how verbally it is different or is it just they way we talk? It has mostly to do with the level of formality in which we speak.

asked by Rena on August 12, 2006

In Manifesta, Jennifer Baumgardner and Amy Richards, analyze the generation gap between second and third wave feminist. The book begins with a historical development of women's rights and feminism; it provides a perspective from which to view of the past.

asked by christy on April 22, 2008
14. ## economics

During the Enlightenment, the City of Calgary had a more-or-less free market in taxi services. Any respectable rm could provide taxi service as long as the drivers and cabs satis ed certain safety standards. Let us suppose that the constant marginal cost

asked by AAAAAA on October 22, 2014
15. ## math

Hello I am having trouble trying to figure out how to do the last 2 questions in this word problem In an article about investment growth, Money magazine reported that drug stocks show powerful long-term trends and offer investors unparalleled potential for

asked by aaron on September 22, 2009
16. ## college math statistics

Hello I am having trouble trying to figure out how to do the last 2 questions in this word problem In an article about investment growth, Money magazine reported that drug stocks show powerful long-term trends and offer investors unparalleled potential for

asked by aaron on September 22, 2009
17. ## math statistics/probability

Hello I am having trouble trying to figure out how to do the last 2 questions in this word problem In an article about investment growth, Money magazine reported that drug stocks show powerful long-term trends and offer investors unparalleled potential for

asked by aaron on September 22, 2009
18. ## math

Hello I am having trouble trying to figure out how to do the last 2 questions in this word problem In an article about investment growth, Money magazine reported that drug stocks show powerful long-term trends and offer investors unparalleled potential for

asked by aaron on September 22, 2009
19. ## Computer programming

(Simplified Water Bill Computation) The bill for a water service subscriber is prepared as follows: 1. The name of the water consumer is entered 2. The previous water meter reading in cubic meters (reading last month) from the consumer’s meter is

asked by Joe on October 30, 2015
20. ## History

2) which statement best describes a social contract A.an implied agreement between citizens and government in which citizens release some liberty to government for the good of society B.a contract between local residents and providers of basic services

asked by Kathlyn on April 25, 2014
21. ## MacroEconomics HELP!

I just need a little help on a few questions: - Why does a tax cut have a smaller multiplier than a hike in government spending if its the same amount? - Federal tax drops from 20 to 30 percent. Due to that income increases from 600BLN to 800BLN, logical

asked by Anonymous on May 8, 2007
22. ## Math

Practice adding and subtracting fractions. 1/ Jill's friends met at her house to go on a hike to the lake.they walked 1/4 of the way and then rested. How much further do they have to go to reach the lake? I don't know 2/ When they reached the lake , they

asked by Nawaf on February 8, 2014
23. ## Cement quarry application

In general, Portland cement is the main production of cement industry. Portland cement is kind of meticulous powder, usually gray, which consists of calcium (from limestone), silicate, aluminate (clay) and ferrite. Limestone is the main raw material of

asked by jiandan on July 22, 2012
24. ## spanish

What is the difference between a refugee and an immigrant. Also, What is the solution the economic problem of hispanics? Thanks for any help that you may have. Thank you for using the Jiskha Homework Help Forum. When you want to know the definition of a

asked by joe on March 4, 2007
25. ## Grammar and Composition

please check these for me: 1. He had (burst, bursted) his balloon at the carnival. burst 2. The (whistle's, whistles') shrill sound hurt my ears. whistle's 3. The witness (sweared, swore, sworn) an oath on the Bible. swore 4. Our yard is covered with

asked by y912f on October 14, 2009

You will be given a set of numbers to play this game. Two players start with a pile of counters and take turns choosing numbers from their set (repeats are allowed) to remove from the pile. The first person to leave 0 counters wins. For example, if you are

asked by Kayla on November 21, 2008
27. ## English

Read the following short paragraph. This paragraph is full of short, choppy sentences. Use your knowledge of sentence variety and prepositional phrases to improve the paragraph. Include all of the details in your revised version. The clouds seemed to loom

asked by Nora on August 9, 2014
28. ## English

Read the following short paragraph. This paragraph is full of short, choppy sentences. Use your knowledge of sentence variety and prepositional phrases to improve the paragraph. Include all of the details in your revised version. The clouds seemed to loom

asked by Nora on August 8, 2014
29. ## Science~

asked by Marie on October 8, 2013
30. ## psychology

HYPOTHETICAL EXPERIMENT: You, as an eager young behavioral scientist, have noted that many people don't wash their hands when they are in a public rest room, unless there is someone there who they believe is watching them. Because you are very aware of the

asked by Jkim on August 18, 2011
31. ## Physics

Conventional engines ignite their fuel by using the spark from the spark plug. But in a diesel engine, the air enthers the chamber at the temperature of the atmosphere and is compressed by the piston until it reaches 550 degrees Celsius, at which time the

asked by Jen on December 2, 2007
32. ## physics

Conventional engines ignite their fuel by using the spark from the spark plug. But in a diesel engine, the air enthers the chamber at the temperature of the atmosphere and is compressed by the piston until it reaches 550 degrees Celsius, at which time the

asked by Jen on December 2, 2007
33. ## microeconomics

Sam Johnson started a small machine shop, Machines, Inc., in his garage and incorporated it in March of 2002 as a calendar-year corporation. At that time, he began using his personal computer and tools solely for the business as part of his contribution to

asked by Elizabeth on July 3, 2011
34. ## linear programming

Brian Q’ Rourke, owner of The Horse & Hound Pub in Dublin, is preparing for St. Patricks Day, amd he must determine how much cider to stock. Brian sells three brands of cider on tap – Murphy’s Blackton, and red Rye. The cost per gallon (to the pub

asked by uma on June 6, 2012
35. ## linear programming

Brian Q’ Rourke, owner of The Horse & Hound Pub in Dublin, is preparing for St. Patricks Day, amd he must determine how much cider to stock. Brian sells three brands of cider on tap – Murphy’s Blackton, and red Rye. The cost per gallon (to the pub

asked by uma on June 6, 2012
36. ## English

Imagine you are a working mother of 3 children who has experienced inequity in the workplace regarding pay and conditions. Write a letter to the editor of a newspaper supporting the article. Select 10 words from the spelling list: maternity, crippling,

asked by Shivi on March 14, 2011
37. ## English

Imagine you are a working mother of 3 children who has experienced inequity in the workplace regarding pay and conditions. Write a letter to the editor of a newspaper supporting the article. Select 10 words from the spelling list: maternity, crippling,

asked by Shivi on March 10, 2011
38. ## English

i take better quotes from story a few notes for orpheus i need help choosing best 5 ones. all these show theme really well so i not know which 5 to choose. "I was almost glad to hear her. But something must be wrong. She never phoned me." "Will you come up

39. ## math question.

any additional data that would be useful or necessary to solve this problem using your strategy(f) If you answered yes to the question in step (e), what are some possible sources for this data? (g) For assistance in testing your hypothesis, do you feel

asked by sherri on October 12, 2008
40. ## sociolinguistics

i need to describe the grammatical features in this sentence: " we kept going on the sea, hunting for fish, and a wind arose. now we were going in canoes, and an immense wind arose now, and we were thrown around and were moving very fast. It looks like you

asked by Carla Robinson on March 26, 2007
41. ## Grammar tenses

use the following passage Just outside the cafe', Zach stopped to call a friend. "Hey mike. What are you doing? Do you want to work on that song this afternoon?" asked Zach. "sure," answered Mike. " I was hoping to hear from you. I want you to meet this

asked by Jim Collum on June 9, 2013
42. ## Biology

Larry is brought up on paternity suit charges as the father of baby Pat. Baby Pat has type O blood, and her mother has type B blood. if Larry has type A blood, can he be Pat's father? (Hint: think about the possible genotypes that can produce types A, B,

asked by Matt on May 14, 2007
43. ## Calculus

Consider a regular tetrahedron whose face is an equilateral triangle of side 7. Find the area of the horizontal cross section A at the level z=3. A= ? Find the volume of the tetrahedron. Consider a regular tetrahedron whose face is an equilateral triangle

asked by Mwe on February 7, 2015
44. ## ELA

This is the poem question 1 is talking about. Full fathom five thy father lies; Of his bones are coral made; Those are pearls that were his eyes; Nothing of him that doth fade But doth suffer a sea change Into something rich and strange. Sea nymphs hourly

45. ## American Government HELP

Recall the scenario for this lesson’s discussion: You are the CEO of a powerful and politically connected corporation in your area. You have lunch once a month at your club with other business leaders of influential conglomerates to see where your

asked by Anonymous on December 2, 2016
46. ## Statistical reasoning in Psychology

4. Suppose that previous studies have found that the mean amount of sessions necessary to “cure” depressive patients using a particular therapeutic model is 25 sessions, with a standard deviation (σ) of 4. A new model is introduced, and you want to

asked by Lilah on November 1, 2009
47. ## Math

Jasper's friend Tina challenges him to a game of Unders and Overs. He's never played the game before, so Tina explains the rules: "You bet what the total value will be when I roll two dice. Then, I roll the dice and their total determines whether you win

asked by Jennie on May 23, 2016
48. ## AP English

Can I get an opinion on the following paragraph I wrote? This is a paragraph analyzing rhetorical strategies in Abraham Lincoln's Second Inaugural Speech. Lincoln addresses firmly that the sooner the Civil War will come to an end, the sooner Americans can

asked by Anonymous on September 19, 2009
49. ## Scientific Research Question

Hello everyone, My name is Ansem, and I am doing research into the secrets of the heart. I am hoping that soem of you might be able to aid me in my research. Many years of hard work has come to fruition; this world that I govern has become a paradise,

asked by Ansem on April 18, 2007
50. ## Statistics

Could someone please help me with this question. I did the entire question, but then when I was assigning them to the two different types of treatments, I was having some trouble. I just figured that you could just number the females 1-42, and randomly

asked by Justin on April 2, 2007
51. ## social studies

1. why did Dutch colonies in the americas fail to attract as many settlers as English colonies did? a. fewer people were dissatisfied with the life in the Netherlands than in England*** b. the economy of Netherlands was much weaker than that of England c.

asked by millie on November 19, 2018
52. ## English

Can you please check if these sentences are possible? Thank you. 1) Refer then to the episodes which lead to the abolition of slavery. 2)Lord Henry is a symbol of hedonistic and decadent upper classes, despising the Victorian virtues of work and morals,

asked by Mike on February 21, 2011
53. ## English

1. On the remote control, press TV once; the button will blink once. Then press and hold SETUP until the TV key blinks twice, then release SETUP 2. Enter 9-9-1. The key will blink twice. 3. Aim the remote control at the TV and slowly alternate between

asked by BARNETTA on August 15, 2015
54. ## Maths Check

Can Please someone check as per below I posted this yesterday and Drwls Answered and I post back the solution. Thanks Amortization of a \$1000 Loan Interest Monthly payment rate 15yr 20yr 25yr 30yr 9.5% \$10.45 \$9.33 \$8.73 \$8.41 10.0% \$10.75 \$9.66 \$9.09

asked by Jen on March 13, 2008
55. ## chemistry

Can some one please balance this equation for me Fe + O2---> Fe2O3. Fe + O2 ==> Fe2O3. Here is the way to balance these equations by inspection, meaning, by trial and error. Rule #1. You may not change any subscripts. Equations are balanced by changing

asked by Biggy Smalls on April 30, 2007

please check these answers ive been stuck on this stupid test for a whole week !!! 1. Sinkholes are found in the A.Mexican Plateau. B.Pacific Coastal Lowlands. C.Sierra Madres. D.Yucatán Peninsula.(I PICK THIS) 2. Compared to southern Mexico, northern

asked by clydia on February 19, 2014
57. ## Physics(IMPORTANT)

An airliner makes an emergency landing with its nose wheel locked in a position perpendicular to its normal rolling position. The forces acting to stop the airliner arise from friction due to the wheels and from the breaking effort of the engines in

asked by keitanako on November 1, 2013
58. ## PHYSICS(HELP!!!!!)

An airliner makes an emergency landing with its nose wheel locked in a position perpendicular to its normal rolling position. The forces acting to stop the airliner arise from friction due to the wheels and from the breaking effort of the engines in

asked by Anonymous on November 2, 2013
59. ## Physics (elena) help!!!

An airliner makes an emergency landing with its nose wheel locked in a position perpendicular to its normal rolling position. The forces acting to stop the airliner arise from friction due to the wheels and from the breaking effort of the engines in

asked by Anonymous on November 2, 2013
60. ## Engineering

A tapered thin-wall circular shaft has constant wall thickness, t, length L, and diameters linearly varying between dA at the support A(x=0) and dB at its free end B(x=L). The shaft is homogeneous with shear modulus G HW6_1A : 20.0 POINTS Obtain a symbolic

asked by Sat on June 5, 2013
61. ## Statistics

I've made an attempt to solve these using my TI-84 plus, however I don't know if my approach is correct. Any help is appreciated. 1.) As the costs of prescription drugs escalate, many senior citizens are ordering from or going to Canada to get their

asked by Amy on May 1, 2012
62. ## Economics

Initially suppose that both countries have the same production function, namely q = K.3L.7. For this production function, MPL = .7K.3L-.3 and MPK = .3K.-7L.7. Derive (with all steps shown) the long-run total cost function for each country. (Given that both

asked by Sung Jun on December 6, 2015
63. ## US History

1. The legislative agenda of Carter Administration during its first two years: A. was successful B. was criticized by many cabinet members for not attempting to introduce enough important legislation. C. was criticized by Congressional leaders for

asked by anthony on November 24, 2010
64. ## Quick Physics Check

2. Which of the following examples does not show projectile motion? A. a tennis ball bounces across the net B. a ball is thrown at a downward angle toward a target on the ground C. a feather drifts to the ground D. a horseshoe is pitched at a stake Is it

asked by Anonymous on November 9, 2015
65. ## chemistry*

Over the years, the thermite reaction has been used for welding railroad rails, in incendiary bombs, and to ignite solid-fuel rocket motors. The reaction is given below. Fe2O3(s) + 2 Al(s) -->2 Fe(l) + Al2O3(s) What masses of iron(III) oxide and aluminum

asked by Anonymous on April 25, 2010
66. ## science!

i want you to check my answers for the questions and i might need help on constructing the graph that i need to do for problem 7. variables and graphing assessment practice some students wanted to investigate the effect of light on the growth of spanish

asked by anon on September 7, 2015
67. ## Government

John Locke: In his book Two Treatises on Government, Locke refuted the divine right of Monarchy, and established a theory which states that all men are men are born free and equal. Each person should have equal access to the natural rights of life,

asked by Lilly on February 2, 2016
68. ## Social Studies

John Locke: In his book Two Treatises on Government, Locke refuted the divine right of Monarchy, and established a theory which states that all men are men are born free and equal. Each person should have equal access to the natural rights of life,

asked by Rebecca on February 2, 2016
69. ## chemistry

1. Given that 50 grams of ice is heated at -20.0 °C to steam at 135.0 °C. i. Show the graph of the changes from ice to steam ii. Calculate the energy needed to change the ice to steam Please use these values: Heat of fusion = 334.16 J g¯1 Heat of

asked by bliss on March 4, 2016
70. ## Science... plz help me...

I am dong a science project on the "Effect of humidity on the hair of mammals?" Now my teacher wants me to make outline but first I have to make up questions on my topic..... Can you help me make up 2 questions? -Thanks a lot from Kerstin =) This sounds

asked by kerstin =) on December 7, 2006
71. ## Spanish #2

Can someone please check my work? Answer the following questions in a complete sentence. 1. ¿Qué estación te gusta más? A mí me gusta la estación de la primavera más....(how would you say, 'more than the other seasons' OR can I just leave it as it

asked by Larry on April 2, 2009

An enzyme sample contains 24 mg protein/mL. Of this sample, 20 microliters in a standard incubation volume of 0.1 mL catalyzed the incorporation of glucose into glcogen at a rate of 1.6 nmol/min. Calculate the velocity of the reaction in terms of the

asked by stew on February 16, 2008
73. ## biochemistry

An enzyme sample contains 24 mg protein/mL. Of this sample, 20 microliters in a standard incubation volume of 0.1 mL catalyzed the incorporation of glucose into glcogen at a rate of 1.6 nmol/min. Calculate the velocity of the reaction in terms of the

asked by stew on February 17, 2008
74. ## computer science

ineed help with c++. i am using code blocks and i have a problem with the compiler. when I run this code ¡é # include using namespace std; int main() { cout

asked by lj on March 7, 2010
75. ## Assertive Communication

Roleplay assignment. Using the scenarios provided or make up your own, develop a script that shows your understanding of Assertive Communication style. You must include the victim and perpetrator role plus one or more other(s) (i.e. apathetic bystander,

asked by John on September 17, 2009
76. ## statistics check my work

Use gender to assess if there is any difference in duration of hospital stay based on gender. what is the sample size, mean, standard deviation of the males and females during the 25 days in the hospital (key 1=male, 2= female) Duration ........Gender

asked by maria on July 13, 2017
77. ## History

Read the passage. At the present moment in world history nearly every nation must choose between alternative ways of life. The choice is too often not a free one. One way of life is based upon the will of the majority, and is distinguished by free

asked by Kiara on February 15, 2019
78. ## Human resources

Role Play In this mock executive team meeting, you will assume the role and responsibility for a specific function (for example, human resources, marketing, finance, legal, and operations). The team will be given a scenario in which strategic decisions are

asked by Alex on April 4, 2012
79. ## English

Anyway i can fix this? tips? advice? Indian Stereotypes By: Bryce Romig “How about you go back to your own country?” a woman said as she line jumped a Lakota Indian woman in a grocery store line. The woman was judging someone she doesn’t personally

asked by Bryce on August 30, 2011
80. ## math-algebra

How do i solve these problems: 1. 2(-5y^3)^2+(-3y^3)^3 2. Lemon juice is 10^2 times as acidic as tomato juice. Tomato juice is 10^3 times as acidic as egg whites. How many times as acidic is lemon juice as egg whites? Write as a monomial. 3. The seismic

asked by Jaylin on February 5, 2008
81. ## Physics

I really need you answered this to my email. It's very important, for this may decide my result in the school exams, and I really need a good mark. Unfortunately, Portuguese system of education is full of problems... The question is... The altitude of a

asked by Frederico Barreto on April 30, 2007
82. ## Math

What was the main motivation for the early populists? A. Competition from railroads for land B. Low crop prices and lack of government aid C. The need to expand the market for their crops ** D. The new farmers labor union What was the progressive solution

asked by Wink wonk on February 13, 2019
83. ## Literacy 3

Please Check my work. Thank you. 6. To avoid plagiarism in you written research paper, you must provide a citation for which of the following? A. The United Nations ruling on the Soviet-bloc countries B. The date the berlin Wall was pulled down by a crowd

asked by Jen on August 23, 2011
84. ## Re: Physics/Math

A 3.0 kg block, initially in motion, is pushed along a horizontal floor by a force F of magnitude 18 N at an angle = 45° with the horizontal. The coefficient of kinetic friction between the block and floor is 0.25. (Assume the positive direction is to the

asked by COFFEE on February 10, 2007
85. ## mechanics

Beam ABC in the figure is composed of segment AB of length L and uniform section stiffness EI joined to segment BC of length L and uniform section stiffness 2EI. The beam is fixed at C (x=2L) and loaded by a downward concentrated force, P, applied at its

asked by Sara on November 30, 2015
86. ## abnormal psych

# 1.44 (1 pts.) Dr. Green is an admitting psychologist at a psychiatric hospital. Unfortunately, every client she interviews receives the diagnosis of schizophrenia. Dr. Green's diagnostic system ignores A) reliability. B) variance. C) base rates. D)

asked by Bryan on November 27, 2012
87. ## Computer science

PLEASE SOMEONE HELP ME! I need help calculating the charges and setup to display savings. 1. Help with calculations. No matter the numbers i input just the base rate comes up. 2. I need help changing the code to "Modify the program so it calculates and

asked by John on March 11, 2010
88. ## Corporate Finance

1) A typical use of managerial accounting is to: a) help investors and creditors assess the financial position of the company b) help management get a clean audit report c) help the marketing manager decide which product promotion to implement d) help the

asked by Betamou on November 25, 2011
89. ## Spanish #2 (URGENT)

Can someone please check my work? Write a complete sentence using the elements below and replacing the words in parentheses with a direct object pronoun. modelo: Mabel/hablar (yo) Mabel me habla. 1. Jorge y Ernesto/quieren cerrar (su tienda) temprano Jorge

asked by Larry on April 5, 2009
90. ## English

Check these English questions for me please? I'm not asking for anyone to do my work for me, Im just not sure if these answers are right and would like a reassurance, preferably from someone who has done the assignment before. 1. Why was literacy a prime

asked by Soh on September 11, 2011
91. ## Art Appreciation

Choose three examples of Roman engineering (any combination of public works and/or private houses) and provide the following information: Describe the item, including how it stands (arches, columns, vaults, free form, etc.). I need help with this question!

asked by Charlene on May 1, 2007
92. ## English

I've begun writing a short story for English and I was wondering if someone could check through it and maybe give me a few tips on the storyline, improvements, ect... Here it is: Chapter One It all started the day Jules McGregor moved to our school. I

asked by Sarah on January 7, 2007
93. ## science

1 litre of coffee at 80oC need to be cooled to 40oC. Assuming that all the ice melts and no heat is lost to the environment. Take the specific heat capacity of coffee to be 4200J/kgK, density of coffee to be 1000kg/m3 and latent heat of fusion of water to

asked by tony on March 13, 2017
94. ## Database Design and Programming

Assignment Problem. Given the following functional requirements description of the following application, produce an ERD model based on the Crow’s Foot model—that can be implemented. Show all entities, relationships, optionalities, connectivities, and

asked by Rossy on March 3, 2017
95. ## math

Land growing continuous grain corn as a cash crop loses soil at a rate of 14.0 metric tonnes ha-1 yr-1. This is a fertile soil, which has an organic matter content of 3.8% and nitrogen content of 0.35% (both by mass). a)Calculate how long it will take to

96. ## English

I did three more corrections myself. Can you see if they are OK? 1)Also the doctor lives and works in a small laboratory and the monster learns the human civilization closed in a small cottage. Correction: The doctor lives and works in a desolate

asked by Franco on January 10, 2011
97. ## english

Everyone knows that a home should be "child-proof" to protect young babies and toddlers from illness and injury. (2) Pets are also in danger from many common household sources which many people don't realize. (3) Pets can chew and swallow seemingly safe

asked by Robb4301 on February 10, 2015
98. ## Astronomy/Physics

I'd love thorough solutions to these problems, but simply providing the specific formulas that I should solve each part of the problem with would be really good too. :-) Thanks! Human energetics You are sitting down to study in the library. Let’s find

asked by Mark on March 4, 2009
99. ## Econ Help if you can :P

Approximately 14 million Americans are addicted to drugs and alcohol. The federal government estimates that these addicts cost the U.S. economy \$300 billion in medical expenses and lost productivity. Despite the enormous potential market, many biotech

asked by Sari on September 8, 2015
100. ## Chemistry

Can you balance this equation please? Fe2O3 + CO yeilds Fe + CO2 Fe2O3 + CO ==> Fe + CO2 Rule: balance by changing coefficients. You may not change subscripts. Look at the Fe atoms. There are 2 Fe atoms on the left and only 1 on the right; therefore, we

asked by mZ. YoU on February 20, 2007