Tuesday
January 24, 2017

Homework Help: Health: Human Life Cycle

Recent Homework Questions About the Human Life Cycle

Physics
A 100 watts light bulb has an average life of 2000 hours. How much energy does it consume over its lifetime? The only thing I got was power=100 watts and time = 2000 hours but I need to convert to seconds and I don't kn how to do that.
Tuesday, December 6, 2016 by Salma

history
Using the map and your knowledge of U.S. history, what do the details of the Rocky Mountains suggest about the Lewis and Clark expedition? A)The group made a grave mistake in not turning back in Missouri. B)The group really could have traveled by river all the way to the west ...
Tuesday, December 6, 2016 by lauren

Psychology
Is positive psychology the study of happiness? Or is it more broad- the study of all positive human attributes?
Tuesday, December 6, 2016 by Anonymous

LA HELP! 2
Passage: from “Life Without Gravity” by Robert Zimmerman Worse, weightlessness can sometimes be downright unpleasant. Your body gets upset and confused. Your face puffs up, your nose gets stuffy, your back hurts, your stomach gets upset, and...
Monday, December 5, 2016 by Agala

Math
A hot air balloon rising vertically is tracked by an observer located 4 miles from the life off point. At a certain moment, the angles between the observers line of sight and the horizontal is Pi/4 and it is changing at a rate of 0.1. How fast is the balloon rising at this ...
Monday, December 5, 2016 by Victoria

SS
"We seek no conquest. All we ask it to be left alone According to this quote which statement best summarizes the souths agenda A.to continue their way of life unchanged b to accept changes to the plantation system c. to change the souths borders d. to expand slavery into ...
Sunday, December 4, 2016 by Lucina

PreCalc
The half-life of krypton-91 (91Kr) is 10 s. At time t = 0 a heavy canister contains 5 g of this radioactive gas. (a) Find a function m(t) = m02−t/h that models the amount of 91Kr remaining in the canister after t seconds.
Sunday, December 4, 2016 by Kristen

American Government
Describe the department/agency its purpose and contributions to human rights
Sunday, December 4, 2016 by Becky

English
In "A Cub Pilot", what is one of Mark Twain's purposes in using humor? to make readers think that there is nothing serious about his story to describe what life was like on the Mississippi River to make readers interested in the narrator and the story <i chose...
Sunday, December 4, 2016 by Anabel

Social studies
What do you call a natural, capital, and human resources
Friday, December 2, 2016 by Audreay

American Government
1. How does supporting the human with defenders align with the philosophies of america's founding fathers? 2. Why do human rights defenders need to be protected? What dangers do they face? 3. What are some ways human rights defenders insure rights around the world? 4. In ...
Thursday, December 1, 2016 by Becky

social studies
Which of these best shows the changing information control in China since the 1960s? 1) Education is important part of Chinese life 2}The government controls hat newspapers can publish 3)Independent business owners may start new companies 4) protesters and activists may be ...
Thursday, December 1, 2016 by Jaden

art
Could you please check my answer please...thank you Which of the following is the best evaluation of the artwork based on the criterion that the piece feature imaginary creatures or things. 1. The artwork is successful because it features a fully clothed raven-headed winged ...
Wednesday, November 30, 2016 by Justin

science
most of the life of a cell is spent in a period of growth and development called_____.
Wednesday, November 30, 2016 by audrey

English
Explain what the speaker's word choice shows us about puritans. " let us hope, to symbolize some sweet moral blossom that maybe found along the track, or relieve the darking close of a tale of human frailty and sorrow." From the scarlet letter chapter 1
Wednesday, November 30, 2016 by Emma

social studies
We were worked in all weathers. It was never too hot or too cold it could never rain blow hail or snow too hard for us to work in the field. Work work work The longest days were short for him and the shortest nights too long for him. Which statements best paraphrases the view ...
Tuesday, November 29, 2016 by anonymous

Social Impact of Technology
Which of these kinds of energy is a fundamental requisite for life on Earth? A. Electrical energy B. Solar energy C. Chemical energy D. Potential energy An -- C
Monday, November 28, 2016 by Angela

Social studies
Which of the following is a key idea of transcendentalismo? Belief in human reason Belief in personal insights Belief in expansion of the country •• Belief in isolation from other nations
Monday, November 28, 2016 by Kayla

Math
A radioactive substance decays to the formula N=8e^-0.6t , where N is the number of milligrams present after t hours. Determine the initial amount of the substance to the nearest 10th of an hour, determine the half life of the substance, and determine the number of hours for 0...
Sunday, November 27, 2016 by pypski

pre calc
You have a sample of a certain radioactive substance. After two days, thirty percent of the sample has decayed. What is the half-life of the material and how much will have decayed after a week?
Tuesday, November 22, 2016 by math

science
which of the following would decrease the human ecological footprint? 1) using bottled water instead of tap water 2) using public transportation instead of riding in a car 3) buying books instead of borrowing from the library 4) using hot water instead of cold to wash clothing
Tuesday, November 22, 2016 by Jaden

science
How is biodiversity related to human activities that use natural resources? 1) it decreases as humans use natural resources wisely 2) it increases as humans develop sustainable ways of using natural resources.
Tuesday, November 22, 2016 by Jaden

Statistics
The life span of a calculator manufactured by the Intel Corporation has a normal distribution with a mean of 54 months and a standard deviation of 8 months. The company guarantees that any calculator that starts malfunctioning within 36 months of the purchase will be replaced ...
Monday, November 21, 2016 by Scarlett Garcia

Human and Social Biology
In guinea pigs short hair S,is dominant to long hair. A heterozygous guinea pig mated with a homozygous recessive pure breed. State the proportion of the geno type and the phenotype of the offspring
Monday, November 21, 2016 by Ancela Williams

Life Science Math
Cheetahs are the fastest land mammal. They can accelerate from 0 to 60 mph in 3 seconds. Assuming a cheetah’s acceleration is constant, how far has it run during that time interval?
Sunday, November 20, 2016 by Anonymous

ELA
"The Enlightenment and the Scientific Revolution were twin explosions in thinking that made the 17th and 18th centuries one of the most exciting and dynamic eras in European history. People cam to believe the power of human reason apart from the guidance of religion. ...
Friday, November 18, 2016 by Miranda

SS PLS HELP
1. How are capital resources used in production? (1 point) They allow producers better access to world markets. They make it possible to employ more skilled laborers. They provide tools that make production more efficient. They purchase the raw materials needed for production...
Friday, November 18, 2016 by Anthony

Art
Any tips for drawing life like??
Thursday, November 17, 2016 by Katiy

Science
_____ is useful for dating very old rocks because it has a half-life of 1.3 billion years. A. thorium-232 B. potassium-40 C. uranium-235 D. carbon-14 is the answer D?
Thursday, November 17, 2016 by Kalie

Science
What happens to the mass of a sample containing a radioactive element during its half-life? A. The mass decreases by half. B. The amount of mass is doubled. C. Eventually there is no mass at all. D. The mass remains the same.
Thursday, November 17, 2016 by Kalie

Social Studies
Asha lives in a nation that has a legislature and a prime minister. Citizens in her country vote in elections to elect their legislative representatives. Then parliament appoints the prime minister. 1: Does Asha's nation have a limited or an unlimited government? - Limited...
Thursday, November 17, 2016 by Castiel

Language Arts
1. Which of the following lines from the poem BEST supports the theme of lost virtues? A. "Those who always know better - fifty two" B. "Able to admire without envy - eighteen" C. "Taking only things from life - thirty (I wish I were wrong) D. "...
Thursday, November 17, 2016 by Hanah

English 10
A Contribution to Statistics" 1.Which of the following words best describes the author's view of humanity in "A Contribution to Statistics"? A. Altruistic B. Optimistic*** C. Pessimistic D. Realistic Read the following lines from the poem "A ...
Thursday, November 17, 2016 by Ashley

Social studies
1.How long of a term does a justice Of the supreme Court serve? A. 4 years B. 6 years C. 10 years D. for life My answer D. for life
Thursday, November 17, 2016 by HELP me

Statistics
Accrotime is a manufacturer of quartz crystal watches. Accrotime researchers have shown that the watches have an average life of 32 months before certain electronic components deteriorate, causing the watch to become unreliable. The standard deviation of watch lifetimes is 7 ...
Wednesday, November 16, 2016 by Amy

History
Can Someone Please Tell Me The Answers!!! course picture Modern US History A-1 SOH Course Links  profile picture Joshua Whitmire Unit 2 Test Unit 2: Immigration and Migration > Unit Assessments 1. Why were many Native Americans opposed to settling in ...
Wednesday, November 16, 2016 by Josh

Language Arts 7 A
In ¨Life Without Gravity¨ How does word choice help support the author's point of view in the selection? A) He uses words with negative connotations like unpleasant and sticklike. B) He uses descriptive words like gooey and smells. C) He uses words ...
Wednesday, November 16, 2016 by S.L.

Physics
the human body is only about 25 % efficient at converting input chemical energy to useful work. where does the rest of the input chemical energy go?
Wednesday, November 16, 2016 by John

MATH 123
A wooden artifact from an ancient tomb contains 55% of the carbon-14 that is present in living trees. How long ago was the artifact made? (The half-life of carbon-14 is 5730 years. Round your answer to the nearest whole number.)
Tuesday, November 15, 2016 by NICK SMITH

College Calculus
A radioactive substance has a half-life of 27 years. Find an expression for the amount of the substance at time t if 20 grams were present initially.
Monday, November 14, 2016 by Jaken

College algerba
The​ half-life of a certain radioactive element is about 1500 years. After 2800 ​years, what percentage P of a sample of this element​ remains?
Monday, November 14, 2016 by Samantha

English
Read the following lines from the poem "a contribution to statistics" "glad to lend a hand if it doesn't take too long -as high as forty-nine, always good because they can't be otherwise -four, well maybe five, the speaker shares high and low statistical...
Monday, November 14, 2016 by carma

English
Write an analysis paragraph that answers the overarching question: What is the effect of imagery on the reader’s understanding of the relationship between Orwell and the native Burmese people? I look up examples and step by step and still dont understand. Pls...
Sunday, November 13, 2016 by Emma

Social studies
1, what did Alexis de Tocqueville observe on his visit to the United States that reflected changes that were happening in the country during Jackson's administration A strict divide between rich and poor*** A growing spirit of democracy and equality between classes A ...
Sunday, November 13, 2016 by Amiee

Chemistry
When you try to leave your room you learn that the only door out is locked. Assuming there is no air flow into the room (air tight with no ventilation system) how long can you survive in the room (5 meters long, 5 meters wide, 5 meters high) -Human tidal volume (volume of air ...
Sunday, November 13, 2016 by Sarah

Spanish
I need help making sure my answers make sense for the questions from La Dama del Alba. I have presented the questions and my answers in both Spanish and English. Questions 1-5 1. ¿Qué hacen los Sanjuaneros afuera de la casa? What do the Sanjuaneros ...
Friday, November 11, 2016 by Jaylnn

L.A.
Which of the following statements about "life without gravity" explains why it is a expoistory essay. 1. It is a short work of nonfiction that does not express the writers opinion 2. It is a short work of nonfiction that uses examples to make its points 3. It is a ...
Friday, November 11, 2016 by Check please

Spanish Homework Literature Questions
I need help making sure my answers make sense for the questions from La Dama del Alba. I have presented the questions and my answers in both Spanish and English. Questions 1-5 1. ¿Qué hacen los Sanjuaneros afuera de la casa? What do the Sanjuaneros ...
Thursday, November 10, 2016 by Jaylnn

math
Carbon-14 has a half-life of 5730 years. How long will it take 17 grams of carbon-14 to be reduced to 10 grams? Round to the nearest integer.
Wednesday, November 9, 2016 by mer

L.A
Restate the theme you selected in the previous question. Support that theme with two details from Anna's Secret Wish Anna's Secret Wish by Joan Lowery Nixon and Eileen Nixon McGowan Bright ribbons of color danced and swirled in Anna's mind. She imagined the intense...
Wednesday, November 9, 2016 by Agala

Finance
When Steve and Roslyn retire together they wish to receive $40,000 additional income (in the equivalent of today’s dollars) at the beginning of each year. They assume inflation will be 4% and they expect to realize an after tax return of 8%. Based on life ...
Wednesday, November 9, 2016 by Anonymous

pre calc
You have a sample of a certain radioactive substance. After two days, thirty percent of the sample has decayed. What is the half-life of the material and how much will have decayed after a week?
Tuesday, November 8, 2016 by mathhh

pre-calc.
Problem 1. You ingest a certain dangerous bacteria at dinner by accident. When more than 1,000,000 of these organisms are in your gut, you will become violently ill. Their population doubles every 20 minutes. You ate dinner at 7pm and by 5am you are sick. At least how many of ...
Tuesday, November 8, 2016 by cool

science
Write about entropy and entropy generation in daily life P help me..
Tuesday, November 8, 2016 by aboddu

Geometry
Let x equal the age, in human years, for a dog that is 2 years old or older. For each of your chosen breeds, write an expression to model its age in dog years. [Hint: Use (x-2) in each expression.] the dogs are 2yrs: 23 yrs old 3yrs: 27 yrs old 4yrs: 31 yrs old 5yrs: 35 yrs ...
Tuesday, November 8, 2016 by DON'T Skip Me pls

Math
Let x equal the age, in human years, for a dog that is 2 years old or older. For each of your chosen breeds, write an expression to model its age in dog years. [Hint: Use (x-2) in each expression.] the dogs are 2yrs: 23 yrs old 3yrs: 27 yrs old 4yrs: 31 yrs old 5yrs: 35 yrs ...
Tuesday, November 8, 2016 by Alle

Social Studies
1. Which of the following was a significant innovation of Lowell Mills that increased productivity? A) combining spinning and weaving in the same factory B) separating spinning and weaving to different factories C) employing mainly former African-American slaves for lower ...
Tuesday, November 8, 2016 by YunoGasai

English
Hello. I will be grateful for some language help. 1) Is the preposition "in" OK in the following sentence (maybe, no preposition at all or "when"?): "He made no mistake in choosing true friends"? 2) Is the word "contain" natural in the ...
Monday, November 7, 2016 by Ilma

business statistics
1. The average life expectancy of people around the world is 71.30 years with a population standard deviation of 8.00 years. I take a sample of 50 countries now and find that the average life expectancy is 74.37 years. Suppose I’m interested in seeing if ...
Monday, November 7, 2016 by amanda

Finance
When Steve and Roslyn retire together they wish to receive $40,000 additional income (in the equivalent of today’s dollars) at the beginning of each year. They assume inflation will be 4% and they expect to realize an after tax return of 8%. Based on life ...
Monday, November 7, 2016 by Anonymous

English
roxie 1. Choose the answer that best matches the word in italics. Use context clues to determine the meaning of the word, if necessary. The decorations were reminiscent of autumn leaves. (1 point) leftovers made reminders symbolic 2. Choose the answer that best matches the ...
Monday, November 7, 2016 by PLEASE HELP

Life Science 7
What is a good way to remember Golgi Apparatus, vesicles, vacuole,and nuclear envelope
Sunday, November 6, 2016 by Jeo

geography
A football match is to be played on Saturday in NewZealand(longitude 150 degrees east) between the host country and Nigeria (longitude 15 degrees east).If the match is to be televised life, at what time should Nigerians tune in their television sets to watch the kickoff ...
Saturday, November 5, 2016 by anonymous

English
Background You’ve applied for a specific job in your field of study. The Human Resources Department arranges an interview and tells you to bring with you a polished piece of writing for them to evaluate your writing skills. The paragraph must describe one ...
Saturday, November 5, 2016 by MEG

Business
Accounting is actually an easy subject for most people to understand because almost everyone is exposed to basic accounting concepts in their everyday life. True or False. I say True.
Saturday, November 5, 2016 by Tim

Chemistry
The iodine-131 nuclide has a half-life of 8 days. If you originally have 625-g sample, how many grams will you have after 2 months(approximately 64 days)?
Wednesday, November 2, 2016 by Please help

Chemistry
The cesium-131 nuclide has a half life of 30 years. After 90 years, about 6g remain. What is the original mass of the cesium-131 sample?
Wednesday, November 2, 2016 by Please help

Chemistry
Technetium-99 has been used as a radio graphic agent in bone scans. If the isotope has a half life of 6.0 hours, what amount is left of 10.0 mg after 2 days?
Wednesday, November 2, 2016 by Please help

Chemistry
If the half life of Pu-239 is 2.4 x 10^4 years, how many years are required for a 20-gram sample of plutonium-239 to be reduced to a mass of 5 grams?
Wednesday, November 2, 2016 by Please help

Chemistry
A particular radioactive element has a half life of 10.0 days. How much is left after 30.0 days if the sample started with 345g?
Wednesday, November 2, 2016 by Please help

Algebra 2
A particular radioactive element has a half life of 10.0 days. How much is left after 30.0 days if the sample started with 345g?
Wednesday, November 2, 2016 by Please help

Physics Urgent!
1.You are driving at the speed of 28.7 m/s (64.2138 mph) when suddenly the car in front of you (previously traveling at the same speed) brakes. Considering an average human reaction, you press the brakes 0.427 s later. Assume that the brakes on both cars are fully engaged and ...
Wednesday, November 2, 2016 by Mikayla

math
Dog Debate UNIT NAME: EQUATIONS AND INEQUALITIES Directions: The traditional method for calculating a dog's age in dog years is to multiply its age in human years by 7. The chart below describes a different method some veterinarians use to estimate a dog's age based on...
Wednesday, November 2, 2016 by helpppppp

Chemistry
Half life period of Ra226 is 1620 years calculate the decay rate of Ra226 in alpha particle per gram per sec
Wednesday, November 2, 2016 by Shilva

physics
You are driving at the speed of 34.3 m/s (76.7433 mph) when suddenly the car in front of you (previously traveling at the same speed) brakes. Considering an average human reaction, you press the brakes 0.429 s later. Assume that the brakes on both cars are fully engaged and ...
Tuesday, November 1, 2016 by Abby

social studies
Asha lives in a nation that has a legislature and a prime minister. Citizens in her country vote in elections to elect their legislative representatives. Then parliament appoints the prime minister. 1: Does Asha's nation have a limited or an unlimited government? - Limited...
Tuesday, November 1, 2016 by cat

History
1.) Which of the following crimes would result in a slaves execution (choose all that would apply) A. Murder B. Failing to work diligently C. Plotting a rebellion D. Stealing food 2.) Which of the following was true about the life of a slave? A. They were seen as property B. ...
Tuesday, November 1, 2016 by Margret

english
15. In which of the following pieces does the characterâ€​;â„¢s motivation to visit another world change the existing world? â€Å&​#147;Nolan Bushnellâ€&#...
Tuesday, November 1, 2016 by somebody

Soail STuddies
Why was agriculture important and life-changing for Ancient Egyptians?
Sunday, October 30, 2016 by Anonymous

Math
A radioactive material has a half life of 500 years. A) Given 20 grams of this material, how much will remain after 1,000 years? B) Given 100 grams of this material, how much will remain after 750 years? Thank you to whom ever can help me :)
Saturday, October 29, 2016 by Milly

Philosophy
We may observe, that there is no species of reasoning more common, more useful, and even necessary to human life, than that which is derived from the testimony of men, and the reports of eye-witnesses and spectators. This species of reasoning, perhaps, one may deny to be ...
Saturday, October 29, 2016 by Stag

history
1. Which of the following crimes would result in a slave’s execution? (Choose all that apply.) (2 points) murder failing to work diligently plotting a rebellion stealing food 2. Which of the following was true about the life of a slave? (1 point) They were ...
Friday, October 28, 2016 by You yo daddy's son

True or False Please Help
(10 Environmental Science True or False Questions. Please correct me if I'm wrong.) 1. Domestic of animals and plants through history has enabled humankind to improve their lifestyle. (True) or False 2. Domestication is the process of selecting wild organisms for their ...
Friday, October 28, 2016 by GummyBears16

Spanish Literature
- La Peregrina= The Pilgrim Ok, so I have submitted the questions I have to answer in the form they were presented to me. Below the questions I have submitted my answers first in English and then how I have translated them into Spanish. (I did have difficulty with finding the...
Thursday, October 27, 2016 by Jaylnn

english
In this unit you have read writings by three people who lived at a time when the idea of human equality was widely discussed but who nevertheless experienced enslavement or belonged to families who experienced enslavement: Benjamin Banneker, Olaudah Equiano, and Phillis ...
Thursday, October 27, 2016 by Hailey

english
What does the narrator of “All Watched Over by Machines of Loving Grace” want? people to reject computers computers to rule man and animal the natural world to swallow up technology computers and living things to live together in a natural ...
Thursday, October 27, 2016 by j.j

oceanography
14C has a half-life of 5,730 years. If we start with 70 grams of 14C at time zero how many grams of14C will be left after three half-lives?_________
Wednesday, October 26, 2016 by sarah

Help on Social Studies please!
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 in the previous question? a. people who share a common language b. people who ...
Wednesday, October 26, 2016 by Eva

Life Management
"I'M RIGHT!" Casey and Anne are arguing over whether to go to a movie or go bowling. Anne thinks bowling is a bore and she doesn't want to go. Anne doesn't like sports activities of any kind, and therefore, feels Casey should just do what she wants to do...
Wednesday, October 26, 2016 by Alice Keign

Financial Accounting
On March 31 a post closing trial balance was completed On April 4, the business purchased a new truck on account. The residual value is $2400, and the estimated useful life is 5 years. How do I enter this information into a general journal? Do I even need to calculate the ...
Wednesday, October 26, 2016 by Michelle

science
Potassium-40 has a half life of 1.2 billion years and decays into the stable daughter isotope Argon-40. If you find a rock that contains 20 Potassium-40 atoms and 60 Argon-40 atoms, how old is the rock?
Tuesday, October 25, 2016 by lex

Language Arts Help
Georgia O'Keeffe was one of the most famous painters of the twentieth century. At a time when a few women achieved great success as artists, she dazzled the world with her enormous canvases of brightly colored flowers and her rustic renderings of the Southwest desert. She ...
Tuesday, October 25, 2016 by Sahara

History Check Please!
Please check! Thanks! 1. How did the development of universities in medieval Europe strengthen the Church and unify society? a. Universities grew up around cathedrals, and courses of study helped educate clergy.*** b. Universities started cathedrals, which were important ...
Tuesday, October 25, 2016 by Olivia N J

econmics
below are my answers to the following multplile choice questions, please check and correct me if im wrong, thanks :) 1. Which type of firm is more likely to have its board of directors composed of people from many different nations? Select one: A. Exporter B. Purely domestic C...
Monday, October 24, 2016 by kary

history
i'm writing an essay comparing indentured servants and slaves. can you just read what i have so far and correct errors in grammar and how I word my sentences. thank you Between the 16th and 18th centuries, cheap labor, agriculture and mercantilism ensured a thriving ...
Sunday, October 23, 2016 by apoorva

English
Which of the following quotes from Adventures of Huckleberry Finn contains a metaphor? A:"Look at it, gentlemen and ladies all; take a hold of it;shake it. There's a hand that was the hand of a hog; but it ain't so no more; it's the hand of a man that's ...
Saturday, October 22, 2016 by Marylyn

History
1. What significant effect did the Treaty of Paris, signed after the French and Indian War, have on France? France had to withdraw to its empire in Central and South America. France had to allow the British to claim and settle the Ohio Valley. France lost its claim to the ...
Friday, October 21, 2016 by coolguy

Civic education
I need help with my assignment please :discuss five consequences of human rights violations
Friday, October 21, 2016 by Cuteii

English
"The Lottery" (1948) by Shirley Jackson ** this website won't allow for links; therefore, I couldn't put the link of this story** (the short story is online for reference) The question that needs to be answered is: EXPLAIN the source of horror in Jackson&...
Thursday, October 20, 2016 by Jamie

Check my answers
1. Why was capturing Quebec so important to the British during the French and Indian War? (1 point) By gaining control of Quebec, the British could increase financial and military support from the colonists. By gaining control of Quebec, the British would disrupt French ...
Thursday, October 20, 2016 by BILL CIPHER

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Homework Help: Health