Monday

March 2, 2015

March 2, 2015

**Recent Homework Questions About First Aid**

Post a New Question | Current Questions

**calculus**

Find two positive numbers that satisfy the given requirements: The product is 147 and the sum of the first number plus three times the second number is minimum
*Monday, November 17, 2014 at 6:00pm*

**Math**

Rachel sent or received 10,290 text messages in the month of September. If each text message over the first 150 messages cost 8 cents, what was her texting bill? Explain how you got your answer. Assuming that she slept 7 hours each day, what was the average number of text ...
*Monday, November 17, 2014 at 5:10pm*

**algebra**

The monthly income I, in dollars, from a new product is given by I(t) = 81000 − 45000e^-0.005t where t is the time, in months, since the product was first put on the market. (Round your answers to the nearest dollar amount.) (a) What was the monthly income after the 30th...
*Monday, November 17, 2014 at 4:44pm*

**english**

Elnora unlocked the case, took out the pail, put the napkin in it, pulled the ribbon from her hair, binding it down tightly again and followed to the road. From afar she could see her mother in the doorway. She blinked her eyes, and tried to smile as she answered Wesley ...
*Monday, November 17, 2014 at 4:13pm*

**Math**

Your store’s average basket (transaction) size for the month of March was $11.50 and you believe the average basket size will remain the same for your store in April. One of your hourly employees had an average basket size of $9.00 for the month of March and averaged 125 ...
*Monday, November 17, 2014 at 1:27pm*

**Science**

True/false Earth's atmosphere oceans and continents began to form during the first several hundred million years of the Precambrian time.
*Monday, November 17, 2014 at 6:13am*

**math**

There are 10 children (aged 1 to 10 years) who have equal amounts of money. In the first transaction the eldest child gives one rupee to every child younger to him. In the second transaction, the second eldest child gives one rupee to every child younger to him. This type of ...
*Monday, November 17, 2014 at 4:57am*

**statistics**

The forms used in your coding area cost $100.00 per 1,000 forms for the first 2,000 and $50 for every 1,000 thereafter. If you need to order 5,000 forms, what is the total cost?
*Sunday, November 16, 2014 at 11:18pm*

**calculus**

1. A particle moves along the x-axis, it's position at timer given by x(t)=t/(1+t^2), t greater than or equal to 0,where t is measured in seconds and x in meters. a) find the velocity at time t. I am a little confused.. Do I find the derivative by using the quotient rule? ...
*Sunday, November 16, 2014 at 9:16pm*

**Statistics**

Community Health Center, a new patient clinic in your town serving only underinsured and uninsured patients, has asked you to help its HIM department get started. Calculate the number of new shelving units needed for a medical record filing system based on eight shelves per ...
*Sunday, November 16, 2014 at 8:51pm*

**English**

what does the diction and details reveal about the tone in this passage. "When first I took up my abode in the woods, that is, began to spend my nights as well as days there, which, by accident, was on Independence Day, or the Fourth of July, 1845, my house was not ...
*Sunday, November 16, 2014 at 8:41pm*

**Calculus**

If I derive the following, d/dt((a)S(t^2) of (s)^(1/2)ds with S being integral notation (a) being at the bottom of the notation and being a constant (t^2) being at the top of the notation ..I first apply the fundamental theorem of calculus to get.. (t^2)^(1/2) (2t) simplified ...
*Sunday, November 16, 2014 at 7:38pm*

**math**

4 multiple choice questions with 3 possible answers. What is the probability of answering the first, third, and fourth question correctly? 1/3 x 1/3 x 1/3 1/3 = 1/81
*Sunday, November 16, 2014 at 6:37pm*

**Calculus **

These two q's for my homework I am very confused on how to do: First Question: Using Newton’s method, approximate the value of √5 up to 2 decimal points starting with x1 = 3. 2nd Question: Thomas Malthus was an economist that predicted that the population grows ...
*Sunday, November 16, 2014 at 5:46pm*

**Math **

show that the set of all m-vectors whose first components is 0 (of R^m)
*Sunday, November 16, 2014 at 4:46pm*

**English **

what does the diction and details reveal about the tone in this passage. "When first I took up my abode in the woods, that is, began to spend my nights as well as days there, which, by accident, was on Independence Day, or the Fourth of July, 1845, my house was not ...
*Sunday, November 16, 2014 at 3:41pm*

**Calculus I (PLEASE HELP!)**

These two q's for my homework I am very confused on how to do: First Question: Using Newton’s method, approximate the value of √5 up to 2 decimal points starting with x1 = 3. 2nd Question: Thomas Malthus was an economist that predicted that the population grows ...
*Sunday, November 16, 2014 at 2:06pm*

**Art History**

Who ruled Byzantium in its first “golden age”? A. Constantine B. Charlemagne C. Justinian D. Muhammad II My text mentions but A and C, but I am leaning towards A.
*Sunday, November 16, 2014 at 12:50pm*

**Computing: Simple Python**

Hi this is the code I'm working on, but every time I run it, every character inputted is printed, so hello becomes 'h','e','l',';l','o', even numbers! I can't seem to fix it so that it can be added to the list and printed ...
*Sunday, November 16, 2014 at 12:35pm*

**epidemiology**

A new screening test for a disease is developed for use in the general population. The sensitivity and specificity of the new test are 60% and 70%, respectively. Four hundred (400) people are screened at a clinic during the first year the new test is implemented. (Assume the ...
*Sunday, November 16, 2014 at 2:35am*

**economics**

Assume a firm is a monopsonist that can hire its first worker for $6 but must increase the wage rate by $3 to attract each successive worker (so that the second worker must be paid $9, the third $12, and so on). The marginal revenue product of labor is given in the table below.
*Sunday, November 16, 2014 at 2:25am*

**Math (Algebra 1)**

Juan’s first 3 exam scores are 85, 93, and 87. What does he need to score on his next exam to average 90 for all 4 exams? let x represent the score on his next exam (put this in a multi-step equation) PLEASE HELP
*Saturday, November 15, 2014 at 10:48pm*

**Law Studies**

How does the first amendment protect free expression?
*Saturday, November 15, 2014 at 6:12pm*

**Psychology**

Here is the scenario. -------------------------------------- Are Smarties as addictive as drugs? A new research study proves that Smarties, Canada’s favourite chocolate candy, are as addictive as cocaine. Cocaine is a psychedelic drug that is known to be highly addictive...
*Saturday, November 15, 2014 at 12:44pm*

**Advanced Algebra **

The volume V (r) of a sphere is a function of its radius r. Suppose a spherical snowball with a radius 2 f t started to melt so that the radius is changing at a constant rate of 4.5 inches per minute. If f(t) feet is the radius of the snowball after t minutes, do the following...
*Saturday, November 15, 2014 at 11:37am*

**maths**

A circular pond has radius r. The area of a pond whose radius is 6m more than r is 4 times the area of the first pond. The radius r of the first pond equals
*Saturday, November 15, 2014 at 10:51am*

**Physical science **

A car accelerates at 1.6m.sec along a straight road for 10s then moves at a constant speed for 20s calculate speed after the first 10s
*Saturday, November 15, 2014 at 8:06am*

**Science Help!**

Which of the following is true about the atom shown Choose two that apply. The picture shows one big red one in the middle with one blue ring on the outside that had 2 smaller red ones, and another blue ring outside of the first blue ring that had 8 smaller red ones. A. It is ...
*Friday, November 14, 2014 at 9:21pm*

**MATH!!!**

Aparent dies and leaves half of his estate to his four children. THE FIRST ONE GETS 1/2 OF THE ESTte the second gets 1/8 and the thrid one gets 1/4 . how much did the fourth on get?
*Friday, November 14, 2014 at 2:55pm*

**MATH!!!**

A function machince accepts inputs as ordered pairs. The componeys of the ordered pairs are natural numbers and the first componet is the length of the rectangle and the second componet is the width. the given machince comptes the perimeter ( the distance around the rectangle...
*Friday, November 14, 2014 at 11:38am*

**MATH**

A function machine accepts inputs as ordered pairs. the componets of the ordered pairs are natural numbers and the first component is the length of rectangle and the second comonet is the width . the given machince comptes the perimiter . find the out ut for (3,7) (7,3) (5,7) ...
*Friday, November 14, 2014 at 10:09am*

**lit**

i wrote a sonnet on winning, can some review and give additional ideas and changes. also help me with last stanza. At times I wonder why I want to win Maybe it is the thrill of beating them Maybe a first prize medal or a shiny pin I know I’d love to win a precious gem I ...
*Friday, November 14, 2014 at 8:31am*

**math probability**

In box containing marbles 1-75, how many ways A) first marble are chosen Answer, i think 1/75 Part B) two marbles are chosen i think answer are inconclusive Part C is ball with number 37 is chosen i think answer is 1/74
*Friday, November 14, 2014 at 8:25am*

**Probability.. HELP!**

At the American Kennel Club, there are 36 dogs entered in a show where there will be a first-, second-, and third- place award. How many possibilities are there for these awards?
*Thursday, November 13, 2014 at 11:06pm*

**English**

I need some help with looking over my answers... thanks for the help... Base Details If I were fierce, and bald, and short of breath, I'd live with scarlet Majors at the Base, And speed glum heroes up the line to death. You'd see me with my puffy petulant face, ...
*Thursday, November 13, 2014 at 7:48pm*

**math**

A function machine accepts inputs as ordered pairs. The Components of the order pairs are natural numbers and the first components is the length of the rectangle and the second componet is the width . The given machine computs the perimeter. Find the out put for (1,3) ...
*Thursday, November 13, 2014 at 7:21pm*

**safety contest scramble**

Four words. First word (8 letters), second (6 letters) third (four letters) fourth word (9 letters). The letters are oneqplmeiuoraeectttnepsrivp. Any ideas?
*Thursday, November 13, 2014 at 5:40pm*

**Average problem word solving epicness**

In order to graduate, a bo needs an average of 65 percent for his five major subjects. His first four grades were 55, 60, 65, and 65. What grade does he need in the fifth subject in order to graduate like a boss?
*Thursday, November 13, 2014 at 5:20pm*

**History Part 2 **

Which of the following groups fought each other in the first two years of the revolutionary War in Georgia A. Florida Rangers and Loyalists B. Loyalists and Patriots*** C. Florida Rangers and Native Americans D. British soldiers and minutemen
*Thursday, November 13, 2014 at 2:06pm*

** maths algebra**

HI STEVE, THANKS for your reply back it was the wrong answer the one you worked, yes a hard question, here is an example of simultaneous questions. x-2/3 + y-1/4 =13/12 (1) 2-x/2 + 3+y/3 =11/6 (2) first step is to get rid of fractions. in equation (1) the lcm of denominators ...
*Thursday, November 13, 2014 at 5:17am*

**essay edit**

can someone edit this? Thanks in advance! Mcnamara's Eleven Points in light of the US's involvement with the War in Iraq The inevitable fog of misunderstanding and irrational human error within war can lead to mass killings, chaos, and inevitable failure. The U.S. and ...
*Wednesday, November 12, 2014 at 9:14pm*

**Can some one check my finance answers please**

Which of the following best states the difference between seed capital and startup capital? Seed capital is for research and planning while startup capital is for operating expenses. Seed capital is provided by venture capitalists while startup capital is provided by banks. ...
*Wednesday, November 12, 2014 at 8:36pm*

**statistics**

a jar contains red and blue marbles. two marbles are chosen without replacement. the probability of choosing a red marble and then a blue marble is .26, and the probability of selecting a blue marble first is .43. what is the probability of selecting a red marble on the second...
*Wednesday, November 12, 2014 at 6:55pm*

**Finance **

Which of the following best states the difference between seed capital and startup capital? Seed capital is for research and planning while startup capital is for operating expenses. Seed capital is provided by venture capitalists while startup capital is provided by banks. ...
*Wednesday, November 12, 2014 at 6:14pm*

**PED 212 Foundation of Movement & Motor Activitie**

Question 1.1. Which of the following “reminders” for successful lesson planning is correct? (Points : 1) a. it helps you decide when to b.teach certain activities c. it helps you remember which level you are teaching d. it helps you assign appropriate time limits ...
*Wednesday, November 12, 2014 at 4:38pm*

**Arithmetic Progression**

the sum of the first and second terms of ap is 4 and the tenth term is 19. find the sum of the 5th and 6th
*Wednesday, November 12, 2014 at 4:20pm*

**Latin**

1.Hodie viis ad Europam ambulamus. 2. Romanas terras pugnis non occupabunt! 3.Carro et equo ex provinciis cibum portabamus. 4.Romani deos templis, sacrificiis et statuis laudabant. 5.Servus in arena gladio pugnabit. I think it is.. 1.Today we walk on the streets to Europe. 2....
*Wednesday, November 12, 2014 at 2:17pm*

**Math**

Emily and Sarah had a total of $80 dollars. After Sarah spent 1/3 of her money and emily spent $17, emily had twice as much money as sarah. How much more money did Emily have than sarah at first?
*Tuesday, November 11, 2014 at 8:25pm*

**Probability**

An assembly line has two inspectors. The probability that the first inspector will miss a defective item is 0.05. If the defective item passes the first inspector, the probability that the second inspector will miss it is 0.01. What is the probability of the event that a ...
*Tuesday, November 11, 2014 at 7:34pm*

**Chem**

For two spin-paired electrons that are in the same orbital, describe how the values for the first three quantum numbers (n, L, and mL) are related for the two electrons. Is this because no other electron has the same quantum number?
*Tuesday, November 11, 2014 at 7:31pm*

**Math Help!!!**

The triangles below are similar. Find the value of x. The first triangle has 14 on the right and left side and 18 on the bottom. The second triangle has 7 on the right and left side and x on the bottom. A. 9 B. 8 C. 10.5 D. 11 Is the answer B?
*Tuesday, November 11, 2014 at 5:39pm*

**Financing and Budget**

You, the owner of XYZ Day Care, buy a new van for your business. The van costs $20,000, all of which you borrow from First American Bank. Which of the following correctly describes the journal entry for this transaction? A.$20,000 debit to Vehicles, $20,000 credit to Accounts ...
*Tuesday, November 11, 2014 at 3:44pm*

**Psychology**

1. Which of the following is NOT an empirical question? A. Are women more talkative than men? B. Is dieting an effective weight loss strategy? C. Should we prohibit cell phone use while driving? D. Does cognitive psychotherapy help depressed people? 2. The tendency to notice ...
*Tuesday, November 11, 2014 at 4:00am*

**E.L.A. PLEASE CHECK!**

Choose the direct object(s), if any, in the sentence. A grapefruit tree can bear 1,500 pounds of fruit each year. A: pounds B: 1,500 C: year D: no direct object My answer is A Choose the direct object(s), if any, in the sentence. Nathan went to the shopping mall. A: shopping B...
*Monday, November 10, 2014 at 8:17pm*

**Maths**

The second term of a GP is 12, more than the first term, given that the common ratio is half of the first. Find the 3rd term of the GP
*Monday, November 10, 2014 at 3:09pm*

**Early Childhood**

At what age is it important to socialize a child to feel or not to feel? a. The first two months b. The first year of life c. The first two years of life d. the first four years I chose c
*Monday, November 10, 2014 at 2:40pm*

**Chemistry**

Describe what happens to a co2 sample when the following changes are made: (a) The temperature is increased from -100°c to 0°c at constant pressure of 2 atm B) The pressure is reduced from 72 atm to 5.0 atm at a constant temperature of 30°c C) The pressure is first...
*Sunday, November 9, 2014 at 7:20pm*

**biomechanics**

Consider an experiment where a subject lands during two conditions from a height of 0.2 m. During the first landing condition, the subject lands 'stiffly' (e.g., very little knee flexion). During the second landing condition, the subject lands 'softly' (e.g., ...
*Sunday, November 9, 2014 at 4:37pm*

**Physics**

An interacting system of two objects has no external force acting on the system. The first has a mass of 2.00kg and is moving with a velocity (2.00m/s)i + (1.00m/s)j at time t=0s. The second object has a mass of 3.00kg and is moving with a velocity (-1.00m/s)i + (1.00m/s)j at ...
*Sunday, November 9, 2014 at 4:22pm*

**Calculus**

A marble is dropped from the top of the empire state building. a. Determine the position and velocity functions for the marble b. What is the average velocity for the first 3 seconds of flight? c. Whatisthespeedofthemarblewhent=0? t=3? t=6? d. How long does a person looking up...
*Saturday, November 8, 2014 at 4:12pm*

**algebra**

Please Help Me Check My Work :) 1) Find the 5th term of - f(n)= 3(n-3) My answer- -279 2) Find the third term if the first term is 4 - f(n)= 2f(n-1)+2 My answer- 16 3) Find the third term using the explicit rule - f(n) 4-n/n+3 My answer- 1/6 4) Recursive Function- 1, -2, -5...
*Saturday, November 8, 2014 at 2:09pm*

**Physics**

A billiard ball moving at 5.45 m/s strikes a stationary ball of the same mass. After the collision, the first ball moves at 4.81 m/s, at an angle of 28Â° with respect to the original line of motion. Find the velocity (MAGNITUDE and DIRECTION) of the second ball after...
*Saturday, November 8, 2014 at 11:59am*

**arithmetic**

the 20th sum of an arithmetic progression is -7 and the sum of the first 20 terms is 620. find the 1st and 30th terms i am looking at using S20 = a(1-rn)/l-r = 620. but i am reallys tuck and think i am very wrong. please help.
*Saturday, November 8, 2014 at 8:09am*

**physics**

Two cars leave the same point at the same time, each travelling at the same constant speed of 89.0 km/h and each having the same mass. However, the first car drives directly east, while the second car heads directly south. At what speed (the magnitude of the velocity) is the ...
*Friday, November 7, 2014 at 9:07pm*

**math again (last question help!!!)**

three bookshelves contain a total of 35 books. The first and second shelves contain a total of 20 books. the second and third shelves contain a total of 28 books. how many books are on the second shelf then?
*Friday, November 7, 2014 at 8:46pm*

**physics**

Two cars leave the same point at the same time, each travelling at the same constant speed of 89.0 km/h and each having the same mass. However, the first car drives directly east, while the second car heads directly south. At what speed (the magnitude of the velocity) is the ...
*Friday, November 7, 2014 at 8:39pm*

**physics**

Two cars leave the same point at the same time, each travelling at the same constant speed of 89.0 km/h and each having the same mass. However, the first car drives directly east, while the second car heads directly south. At what speed (the magnitude of the velocity) is the ...
*Friday, November 7, 2014 at 7:41pm*

**English**

Sympathy by Paul Laurence Dunbar I KNOW what the caged bird feels, alas! When the sun is bright on the upland slopes; When the wind stirs soft through the springing grass, And the river flows like a stream of glass; When the first bird sings and the first bud opes, And the ...
*Friday, November 7, 2014 at 6:54pm*

**Preschool/Kindergarten**

Which of the following is a reason why kindergarten was started in the United States? a. Kindergarten was designed to be affordable to most people. b. Kindergarten was designed to be universally available for all. c. Kindergarten was designed to make a difference in the later ...
*Friday, November 7, 2014 at 6:47pm*

**physics**

Two cars leave the same point at the same time, each travelling at the same constant speed of 89.0 km/h and each having the same mass. However, the first car drives directly east, while the second car heads directly south. At what speed (the magnitude of the velocity) is the ...
*Friday, November 7, 2014 at 6:40pm*

**L.A.Help!!!!!!**

Which of the following uses the indicative mood? A.I will feel flush after I get my very first paycheck today. B.I am going to be very wealthy when I receive my inheritance. C. If I were rich, I would get convertibles for us both. D. If I win the lottery, I hope you'll ...
*Friday, November 7, 2014 at 3:24pm*

**Preschool Creative Thinking and Arts Based Learnin**

Supporting "possibility thinking" means teachers are encouraging children to: a. first solve problems and follow directions, then "think outside the box." b. not merely solve problems but find them, then pose "what if" questions in their minds. c...
*Friday, November 7, 2014 at 3:12pm*

**Math Trig Help**

sin theta = x/3, with theta in the first quadrant, find the expression for cos theta and tan theta. Answers will be in algebraic terms of x. Give exact answers with 0 < theta <pi/2 (0 less than or equal to theta, less than or equal to pi/2 Cos theta ? Tan Theta?
*Friday, November 7, 2014 at 1:27pm*

**English**

The first sentence restate the question/prompt and give the answer to iy
*Friday, November 7, 2014 at 5:52am*

**language arts HELP**

Which of the following uses the indicative mood? A. I will feel flush after I get my very first paycheck for this job. B. I am going to be very wealthy when I receive my inheritance. C. If I were rich, I would get convertibles for us both. D. If I win the lottery, I hope that ...
*Friday, November 7, 2014 at 1:15am*

**Algebra HELP!**

Ryan is building matchstick square sequences, as shown ( first figure used 4, second figure used 7, third figure used 10, and the forth figure used 13). He used 599 matchsticks to form the last two figures in his sequences. How many matchsticks did he use in each of the last ...
*Thursday, November 6, 2014 at 10:53pm*

**physics**

A hiker begins a trip by first walking 25.0 km southeast from her base camp. On the 2nd day, she walks 40.0 km in a direction 600 north of east, at which point she discovers a forest rangers tower. Find the magnitude and direction of displacement from base camp.
*Thursday, November 6, 2014 at 8:42pm*

**Math, Please Help!**

Ryan is building matchstick square sequences, as shown ( first one used 4, second one used 7, third one used 10, and the forth one used 13). He used 599 matchsticks to form the last two figures in his sequences. How many matchsticks did he use in each of the last two figures?
*Thursday, November 6, 2014 at 5:38pm*

**CAL**

The _____________ of a function is a formula for the slope of the tangent line to that function at any point x. When the function is defined as f(x), the derivative will be written as __________or ________. When the function is written in the form of y =, the derivative is ...
*Thursday, November 6, 2014 at 5:22pm*

**Calculus **

Please check, if there is something wrong please explain what I did wrong. Thank you! Calculate the d^2y/dx^2. y= e^-x + e^x y' = e^x - e^-x y'' = e^x + e^-x Find the x-coordinace of all critical points of the given function. determine whether each critical point ...
*Thursday, November 6, 2014 at 4:48pm*

**english**

Both texts deal with racial discrimination. How does the structure of poem help convey this meaning in a way that the prose passage does not? A)The poem conveys meaning through imagery; the prose passage does not. B)The poem uses first person point of view; the prose passage ...
*Thursday, November 6, 2014 at 2:17pm*

**reading **

I KNOW what the caged bird feels, alas! When the sun is bright on the upland slopes; When the wind stirs soft through the springing grass, And the river flows like a stream of glass; When the first bird sings and the first bud opes, And the faint perfume from its chalice ...
*Thursday, November 6, 2014 at 1:55pm*

**English**

I have an essay i need to write and the questions i need to answer are "Why do you think Romeo and Juliet remains so popular?"and "What is it about the characters of Romeo and Juliet that makes it so easy for young people to relate to them?" I need two ...
*Thursday, November 6, 2014 at 1:23pm*

**chemical calculations**

Brine from a first tank runs into a second tank at 2 gallons per minute and brine from the second tank runs into the first at 1 gallon per minute.Initially,there are 10 gallons of brine containing 20 lb of salt in the first tank and 10 gallons of fresh water in the second tank...
*Thursday, November 6, 2014 at 2:20am*

**math**

We are two integer brothers apart by 7 on the number line.if you take 5 times of me and add 2 times my brother you'll get 42. Can you find my value? I believe there are two answer. ... first answer is 5x + 2(x+7)=42 therefore x=4 and 5(8)+2(1)=42 Both answers can be 4 & ...
*Wednesday, November 5, 2014 at 8:10pm*

**Math**

Chris has a square garden with an area of 38.4 m squared. He decreases the length of each side by 1.7 m to make a smaller garden. What is the perimeter of the smaller garden. {Hint find the length of each side of the bigger garden first, then decrease the length, then find the...
*Wednesday, November 5, 2014 at 6:54pm*

**Math**

Carson drives to school the same way each day, and there are two independent traffic lights on his trip to school. He knows that there is a 30% chance that he will have to stop at the first light and an 80% chance that he will have to stop at the second light. What is the ...
*Wednesday, November 5, 2014 at 6:28pm*

**Math**

Chris has a square garden with an area of 38.4 m squared. He decreases the length of each side by 1.7 m to make a smaller garden. What is the perimeter of the smaller garden. {Hint find the length of each side of the bigger garden first, then decrease the length, then find the...
*Wednesday, November 5, 2014 at 6:03pm*

**Math**

Chris has a square garden with an area of 38.a m squared. He decreases the length of each side by 1.7 m to make a smaller garden. What is the perimeter of the smaller garden. {Hint find the length of each side of the bigger garden first, then decrease the length, then find the...
*Wednesday, November 5, 2014 at 4:17pm*

**Science -- Ms. Sue, please help?**

14. The energy role of the first organism in a food chain is always a(n) ___________. 15.Water is a(n) __________ factor in all ecosystems that all living things require. 16.___________bacteria carry out the conversion of gaseous nitrogen to a biologically useful form of ...
*Wednesday, November 5, 2014 at 3:53pm*

**Math**

My locker combination has three digits. None of the digits are 0. What is the probability that the first digit of my locker combination is less than 3?
*Wednesday, November 5, 2014 at 1:54pm*

**algebra**

What is the sum of the first 700 consecutive odd numbers?
*Wednesday, November 5, 2014 at 11:02am*

**physics**

A truck moves with a constant acceleration and covers a distance between two points 180 apart in 10 seconds. The velocity as it passes the second point is 30 m/s. Whats the acceleration of the truck ? whats the velocity in the first point ?
*Wednesday, November 5, 2014 at 5:53am*

**English**

Does a comma go after an independent clause with a subordinate conjunction followed by another independent clause? Example The classes will be held unless the schedule has been changed. I know one is needed if a dependent clause is first.
*Tuesday, November 4, 2014 at 8:49pm*

**calc 3**

1. Evaluate the given integral by making an appropriate change of variables, where R is the region in the first quadrant bounded by the ellipse 36x^2+25y^2=1. L= double integral R (4sin(144x^2+100y^2) dA. 2. Use the given transformation to evaluate the given integral, where R ...
*Tuesday, November 4, 2014 at 7:47pm*

**Physics**

A vector is directed at an angle tangent above the +x axis, pointing into the first quadrant. If the x component of this vector is 10 m, the magnitude of the vector is?
*Tuesday, November 4, 2014 at 7:44pm*

**Physics**

A wheel is rotating freely with an angular speed of 4840rad/s on a shaft whose moment of inertia is negligible. A second wheel, initially at rest and with 8 times the rotational inertia of the first is suddenly coupled to the same shaft. a) What is the angular speed of the ...
*Tuesday, November 4, 2014 at 6:07pm*

**working with parents and families**

The tone of the parent-caregiver relationship is set by the A. home visit. B. initial facility visit. C. brief chats at arrival and departure times each day. D. child's first day. C is the wrong answer I think the answer is B
*Tuesday, November 4, 2014 at 5:11pm*

**math**

find three consecutive odd integers such that the sum of the first and the second is 201 less the square of the third
*Tuesday, November 4, 2014 at 10:37am*

**Calculus please help me**

f(x) = \frac{ x^3 }{ x^2 - 25 } defined on the interval [ -18, 18 ]. Enter points, such as inflection points in ascending order, i.e. smallest x values first. Enter intervals in ascending order also. The function f(x) has vertical asympototes at (? )and (?) . f(x) is concave ...
*Tuesday, November 4, 2014 at 9:35am*

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