Friday

July 3, 2015

July 3, 2015

**Physics **

The position of a mass oscillating on a spring is given by x = (7.0 cm) cos [2πt/(0.71 s)]. (a) What is the frequency of this motion? (b) When is the mass first at the position x = -7.0 cm?
*Sunday, March 22, 2015 by Yadan Valeton*

**Math**

a plane traveling at 400 mph leaves the philadelphia airport at 1pm heading due east. two hours later a second plane traveling at 600 mph leaves the airport heading in the same direction. at what time does the second plane overtake the first?
*Sunday, March 22, 2015 by Mercedes*

**genetics**

The two most basic steps of DNA replication are: A.primase causes primer to bind the template and ligase copies the template. B.helicase unwinds the template and DNA polymerase binds the template. C.leading strand is copied first and lagging strand is copied second. D.the new ...
*Sunday, March 22, 2015 by Lucy*

**Statistics**

I have a bunch of questions to work on with this specific scenario but I was hoping someone can just help me get started on the first one because I'm having trouble getting started and I'll do the rest on my own.Thanks for any help! In a southern state, it was revealed...
*Sunday, March 22, 2015 by Emily*

**Criminal Justice**

. The __________ was the first governing document in the United States. A) U.S. Constitution B) second Constitution of Congress C) Twelve Tables D) Articles of Confederation
*Sunday, March 22, 2015 by Samantha*

**Math**

There are 47 students in the marching band. There are 5 students in te first row, and the rest are in equal rows of 6. How many students are in each of the 6 rows?
*Sunday, March 22, 2015 by Brianna*

**Math**

1. Rishi ram obtained an installment loan for $3,000.00. He agreed to repay the loan in 6 monthly payments. His monthly payments is $516.50. What is the APR? MY ANSWER=0.33% 2. Tim Newman took out a simple interest loan of $1500 at a 10 percent interest for 12 months. After 4 ...
*Sunday, March 22, 2015 by Kailey*

**English**

Suppose you're writing an essay about the process of changing a tire on your car. Which of the following is the best example of evidence to support your thesis? A. The first tires were bands of iron that were fitted by wheelwrights onto the rims of wooden cart and wagon ...
*Sunday, March 22, 2015 by Cristine*

**History Check Please (Don't Be Mean)**

1. LULAC supported Coal miners’ pension rights. union interests. Mexican Americans’ rights. African Americans’ rights. 2. The federal government tried to help farmers in all these ways EXCEPT paying them to plant trees as windbreaks. paying them to plant clover ...
*Sunday, March 22, 2015 by SmartyPants*

**Chemistry**

Can someone please answer one of these question so I would be able to know how to do the others? 1. What volume of 0.275 M KOH (aq) must be added to 75.0 mL of 0.137 M H3AsO4 (aq) to reach (a) the first stoichiometric pony; (b) the second stoichiometric point 2. What volume of...
*Sunday, March 22, 2015 by Anonymous*

**mathematical physics**

Obtain all the first and second order partial derivatives of the function: f( x, y ) = In(I+xy^2)
*Sunday, March 22, 2015 by gourav *

**chemistry**

Hey, I'm struggling a bit with this thermal energy question: One major cost in the brewing history is the cost of energy used in running a plant. Much of the heating plant is accomplished by the cooling and or condensing of steam. When 50.0 mg of griest is heated from 25.0...
*Saturday, March 21, 2015 by Yana*

**Math**

Hi! My teacher wanted me to sketch the graph of solution set of each system. For the first question, she wants me to use the slope intercept form and the second question using a table of values, but, I'm a little lost. Can someone help? Thanks! 1.) 3x + 2y < 6 x > 0 ...
*Saturday, March 21, 2015 by Heather*

**Math**

1. Rishi ram obtained an installment loan for $3,000.00. He agreed to repay the loan in 6 monthly payments. His monthly payments is $516.50. What is the APR? MY ANSWER=0.33% 2. Tim Newman took out a simple interest loan of $1500 at a 10 percent interest for 12 months. After 4 ...
*Saturday, March 21, 2015 by N.*

**computer code**

Create a Flowchart and pseudocode. Create a class whose main method creates three arrays. The first array will contain five kinds of flowers - petunia, pansy, rose, violet, and carnation. The second array will contain the cost of each flower, respectively, 50 cents, 75 cents...
*Saturday, March 21, 2015 by Wayne*

**science**

The two systems shown below are identical except for the rod connecting the two beakers. Initially the temperatures of the beakers are as follows: Beaker A = 88°C Beaker B = 42°C Beaker C = 88°C Beaker D = 42°C Four minutes later the temperatures are as follows...
*Saturday, March 21, 2015 by Isabel*

**Economics**

China's slowdown Jan 20th 2015, 10:26 by S.R. | SHANGHAI MUCH of the analysis of China’s 2014 GDP data, which the government published today, has focused on the economy’s slowdown That is, on one level, understandable. Growth of 7.4% was China’s weakest in ...
*Saturday, March 21, 2015 by Remi*

**Math**

Amanda Sabino's taxable income is $20,900.00. How much will she pay in state tax? Tax Table- First $2,000: 2.0% rate Next $4,000: 3.0% rate Next $4,000: 4.5% rate Over $10,000: 6.0% rate My answer-$1254 Am I correct? Thank you!!
*Saturday, March 21, 2015 by N.*

**algebra**

1. A rectangular wooden frame has side lengths 5x and 7x + 1. The rectangular opening for a picture has side lengths 3x and 5x. -What is the area of the wooden part of the frame? Write your answer in factored form. -How can drawing a diagram help you solve the problem? -How ...
*Saturday, March 21, 2015 by SkatingDJ*

**Math**

Hi! My teacher wanted me to sketch the graph of solution set of each system. For the first question, she wants me to use the slope intercept form and the second question using a table of values, but, I'm a little lost. Can someone help? Thanks! 1.) 3x + 2y < 6 x > 0 ...
*Saturday, March 21, 2015 by Heather*

**physics**

The five engines of the first stage of a launch vehicle provide a total thrust of 31.5 x 106 newtons to the space vehicle (launch vehicle and spacecraft). Assuming the acceleration is uniform, calculate the acceleration of the 2.764 x 106 kg space vehicle after lift-off. The ...
*Saturday, March 21, 2015 by baz*

**eng.Economic**

deposits $1,000 now, $2,000 2 years from now, and $5,000 5 years from now into a fund paying 12% compounded semiannually. a. What sum of money will be accumulated at the end of sixth year? b. What equal deposits of size A, made every 6 months (with the first deposit at t=0 and...
*Saturday, March 21, 2015 by sss*

**Math**

a horse race has 14 entries and one person owns 3 of those horses. assuming that there are no ties, what is the probability that those three horses finish first, second and third?
*Friday, March 20, 2015 by Carlous*

**economics**

Samantha Roberts has a job as a pharmacist earning $30,000 per year, and she is deciding whether to take another job as the manager of another pharmacy for $40,000 per year or to purchase a pharmacy that generates a revenue of $200,000 per year. To purchase the pharmacy, ...
*Friday, March 20, 2015 by Tim*

**economics**

Samantha Roberts has a job as a pharmacist earning $30,000 per year, and she is deciding whether to take another job as the manager of another pharmacy for $40,000 per year or to purchase a pharmacy that generates a revenue of $200,000 per year. To purchase the pharmacy, ...
*Friday, March 20, 2015 by Tim*

**Help ms sue or whoever smart as history **

In the 1800s, it was believed women were good at working on projects to improve the community because (5 points) women were better leaders than men. women were better planners than men. women were more emotional than men. women were more moral than men. 2. Which factor ...
*Friday, March 20, 2015 by Oscar*

**Flowcharts and pseudocode**

Create a class whose main method creates three arrays. The first array will contain five kinds of flowers - petunia, pansy, rose, violet, and carnation. The second array will contain the cost of each flower, respectively, 50 cents, 75 cents, $1.50, 50 cents, and 80 cents per ...
*Friday, March 20, 2015 by Wayne*

**Advanced Algebra**

The arithmetic progression has first term 4 and last term 34. If the sum of its terms is 247, find the number of terms and their common difference.
*Friday, March 20, 2015 by Ina*

**English**

I was just given this sheet in class and my teacher didn't help me at all.. She seems more concerned with her phone than teaching the class.. can someone help me do a few of these so I can understand? all prepositional phrases in parentheses. Underline the subject or ...
*Friday, March 20, 2015 by Sarah *

**math 5th grade**

A snail is crawling up the side of a wall that is 3 meters high. Each day, he crawls up 40cm. The first night, he slips back down 2cm; the second night he slips down 4cm; the third night he slips down 6cm; and so on at the same rate.(He was getting more tired each night!) How ...
*Friday, March 20, 2015 by ary*

**Math**

Zain goes swimming. He swims the first length of the pool in 2.5 minutes. The time he takes to swim each length is 10 seconds more than he took to swim the previous length. A. Find the time Zain takes to swim the fifth length. B. Find the time taken for Zain to swim a total of...
*Thursday, March 19, 2015 by Sam*

**Math**

A ball is dropped vertically. It reaches a height of 1.6m on the first bounce. The height of each subsequent bounce is 80% of the previous bounce. A. Find the height the ball reaches on the 6th bounce. B. Find the sum of the first seven terms of this sequence.
*Thursday, March 19, 2015 by Sam*

** Social studies**

What was the first act of the British government to cause colonial anger and what year did it take place?
*Thursday, March 19, 2015 by Anonymous*

**English help :)**

Aunt Elizabeth’s Dream Matthew Ramirez 1United States, 1919. Hanna and her sister, Ali, anxiously await their mother’s return. Their mother, who is the niece of the late Elizabeth Cady Stanton, is out voting for the first time since the passage of the Nineteenth ...
*Thursday, March 19, 2015 by Camila*

**Physics **

Three collinear charges +7.0 x10^-5 C , +4.8 x10*-5 C, and -8.0 x 10^-5 C exert forces on each other. The first and second charges are 35.0 cm apart. The second and third charges are 35.0 cm apart. What is the magnitude and charge of the total force on the third charge? I know...
*Thursday, March 19, 2015 by Anonymous*

**physics help **

Please explain the answers. Thank You 1. A rifle is fired horizontally over a large flat plane. At the instant the rifle is fired, a student drops a second identical bullet from the same height as the rifle. Which bullet hits the ground first? 2. A monkey is hanging from a ...
*Thursday, March 19, 2015 by Mia*

**rate law chemistry **

hey so this is for rate law if the first step is the slow step. it is also an equilibrium. I just want to check if this is right. [Acetophenone]+[Ethoxide]<-k1--> k-1 [Intermediate]+[Ethanol] Just want to make sure this will be the rate law: k1/k-1 [Acetophone][Ethoxide...
*Wednesday, March 18, 2015 by help me lol *

**Ethics and Technology**

1. The first electronic networking technology widely used in the United States was the: A. Internet. B. radio. C. telegraph. D. telephone. is it C
*Wednesday, March 18, 2015 by Amy*

**physics**

A student pushes a coin off the edge of a counter with some horizontal velocity. At the instant the coin goes over the edge, a second student drops a second coin from countertop level so it falls vertically to the floor. Which coin hits the floor first? please help
*Wednesday, March 18, 2015 by eddie*

**Algebra help please**

Part A: Divide (16x^5y^4 + 6x^3y - 2x^2y - 24x^2y^4) by -2x^2y. Part B: How would your answer in Part A be affected if the x2 variable in the denominator was just an x? Part C: What is the degree and classification of the polynomial you got in Part A? Is this first part right...
*Wednesday, March 18, 2015 by Andrea*

**MATH**

How do I write one equations in slope-intercept form, and three other lines in slope-intercept form that are perpendicular to the first line ?? for ex. If I pick the equation y=2/3x+4 for the first equation. and for the second line , the slope -2/3x +4 , how about the 3rd and ...
*Wednesday, March 18, 2015 by MAY*

**Cal state**

A movie theatre has 30 rows. The first row has 26 seats and as you move to the back each additional row has one seat added. How many seats are in the theatre?
*Wednesday, March 18, 2015 by Joe*

**Quick English check**

(6) At first glance Bug Bowl events may seem rather ordinary, but a closer look reveals some surprises. (7) The races aren't relay or sack races; they are!@#$%^&roach races. (8) Held at Pudue's Roach Hill Downs, these races are quite popular with visitors, who are ...
*Wednesday, March 18, 2015 by Anonymous*

**Quick English check **

(6) At first glance Bug Bowl events may seem rather ordinary, but a closer look reveals some surprises. (7) The races aren't relay or sack races; they are!@#$%^&roach races. (8) Held at Pudue's Roach Hill Downs, these races are quite popular with visitors, who are ...
*Wednesday, March 18, 2015 by Anonymous*

**Physics**

Hello!I was wondering if anybody had the time to help me with this question. I am not sure what equation to use with three polarizing filters! I thought we use Malus' Law, but doesnt seem to work. Any help would be greatly appreciated!! The question: Unpolarized light ...
*Wednesday, March 18, 2015 by Tommy*

**english**

“It is fifty-one years since we first met, and we have been busy through every one of them, stirring up the world to recognize the rights of women,” Susan B. Anthony wrote her friend Elizabeth Cady Stanton in 1902. The letter, in honor of Stanton’s eighty-...
*Wednesday, March 18, 2015 by jimm*

**Algebra**

You are driving away from home at a constant velocity of 50 km per hour. The first landmark you see is your favorite park which happens to be 25 km from your house. Which of the following sequences describes the distances you cover at intervals of one hour, starting when you ...
*Wednesday, March 18, 2015 by Katie Lawson*

**Help- English**

The poem 1. I sit on the bank in my special place, 2. Feel the breeze that lifts my hair, 3. And watch the ripples run across the river. 4. It is so peaceful here. 5. Deep enough to justify a fishing pole, 6. Quiet enough for my every thought, 7. The perfect place to ...
*Wednesday, March 18, 2015 by BUBBLES*

**English**

The boy was asked to read the sentences on the page. He started to read the first sentence and then the next sentence...There was a pause...The teacher said " _______" 1. Go ahead. 2. Go on. 3. Keep on. 4. Keep on reading. (Can we use all the expressions in the blank...
*Wednesday, March 18, 2015 by rfvv*

**math**

in a spin circle are numbers 10, 2, 4,6, 2, 8, what is the probability of spinning a 2 at first spin.
*Wednesday, March 18, 2015 by Frederick udemba *

**chemistry **

To dissolve an ionic solid in water, you must first disrupt the ionic bonds that are holding the ionic lattice together. This is an endothermic process, yet many ionic solids have an exothermic heat of solution. (Heat is released when the ionic solid is dissolved.) This is ...
*Tuesday, March 17, 2015 by Cortney*

**Art**

The painting: Coast near Villers by Constant Troyaon its the first picture in google search What does this painting by Constant Troyaon suggest about his culture's relationship with nature? A. Humans lived in fear of nature. B. Humans lived in harmony with nature. C. ...
*Tuesday, March 17, 2015 by Anonymous*

**chemistry**

Thermochemistry: 1. Calculate the amount of heat required to decompose 3.5 moles of sodium bicarbonate. 2NaHCO3 + 129 kJ Na2CO3 + H2O + CO2 In this question, the heat of the reaction is part of the question instead of being written beside it- (What's the ...
*Tuesday, March 17, 2015 by Bethany*

**statistics**

(10 pts) Using diaries for many weeks, a study on the lifestyles of visually impaired students was conducted. The students kept track of many lifestyle variables including how many hours of sleep obtained on a typical day. Researchers found that visually impaired students ...
*Tuesday, March 17, 2015 by lisa*

**accounting**

A machine costing $85,000 with a 5-year life and $5,000 residual value was purchased January 2, 2011. Computed depreciation for the first year, using the double declining-balance(DDB) method would be what?
*Tuesday, March 17, 2015 by Edwood*

** Math Quick Help Please**

Which of the following types of information is not suited for display on a double bar graph? populations of boys and girls at three different schools number of records versus compact discs sold each week during a one month period at The Music Den the weekly interest rate...
*Tuesday, March 17, 2015 by SmartyPants*

**math - slope-intercept**

How do I write one equations in slope-intercept form, and three other lines in slope-intercept form that are perpendicular to the first line ?? for ex. If I pick the equation y=2/3x+4 for the first equation. and for the second line , the slope -2/3x +4 , how about the 3rd and ...
*Tuesday, March 17, 2015 by may*

**statistic**

Two samples each of size 25 are taken from independent populations assumed to be normally distributed with equal variances. The first sample has a mean of 35.5 and standard deviation of 3.0 while the second sample has a mean of 33.0 and standard deviation of 4.0. The pooled (i...
*Tuesday, March 17, 2015 by joanne*

**Constructed Responce Help**

Hi, I was told I could re-do my CR and post it for checking. There are many ways to compare and contrast the two versions of the stories “The Chicago fire”. The first version differs from the second version in many ways. Some ways is that in the first story the ...
*Monday, March 16, 2015 by Lia*

**Constructed Responce Help**

Hi can you see if this constructed responce makes sense, or if I need to clean it up or add anything to it. thanks! I needed to compare and contrast the two versions of "the great chicago fire" and also tell how the format of each passage allow the author to add ...
*Monday, March 16, 2015 by Lia*

**math**

How do I write one equations in slope-intercept form, and three other lines in slope-intercept form that are perpendicular to the first line ?? -- one line: y=mx+b second line perpendicular y= -x/m + c of course, you have to know m, b, c. ----- for the second line ...
*Monday, March 16, 2015 by may*

**Reading Comprehension**

"The steady wash of the waves, the bobbing and swaying of the ship, the creak and groan of timbers, all told me the Seahawk was plowing toward home...Nervously,I glanced over my shoulder through the steerage cabin...I had neglected to consider something about the voices I...
*Monday, March 16, 2015 by Nicole*

**Economics**

VERY HARD PLEASE HELP Kristin lives in Alaska. Ben lives in Rhode Island. They each drive a car with a 12-gallon fuel tank. When Kristin fills her empty gas tank in Alaska, she has to pay a federal gasoline tax of $.18 (or 18 cents) per gallon, plus a state gas tax of 8 cents...
*Monday, March 16, 2015 by Kesha*

**English**

I'm not seeing any of what the teacher is asking? can someone help Directions: Place all prepositional phrases in parentheses. Underline the subject or subjects once and DOUBLE underline or bold face the verb or verbs 1. Sandy’s revealing suit attracted stares from ...
*Monday, March 16, 2015 by John lee*

**Math**

1. What is the value of z so that -9 and 9 are both solutions of x^2+z=103? a) -22 b) 3 c) 22 d) 184 2. What is the value of b in the triangle below? The triangle has one side that is 3b and another that is just b. The area of the triangle is 24in.^2. a) -4 in b) 4 in c) no ...
*Monday, March 16, 2015 by Tia*

**Math**

1. What is the value of z so that -9 and 9 are both solutions of x^2+z=103? a) -22 b) 3 c) 22 d) 184 2. What is the value of b in the triangle below? The triangle has one side that is 3b and another that is just b. The area of the triangle is 24in.^2. a) -4 in b) 4 in c) no ...
*Monday, March 16, 2015 by Tia*

**physics**

The body of a 1285 kg car is supported on a frame by four springs. The spring constant of a single spring is 2.80 × 104 N/m. Four people riding in the car have a combined mass of 275 kg. When driven over a pothole in the road, the frame vibrates and for the first few ...
*Monday, March 16, 2015 by d*

**Physics (Tension and Springs)**

An archer must exert a force of 375 newtons on the bowstring so that the string makes a 35 degree angle with the vertical. a)find the tension in the bowstring b)if the applied force is replaced by a stretched spring, and the spring is stretched 30 cm from its unstretched ...
*Monday, March 16, 2015 by Emily*

**Math**

Q1.Plot three points with first coordinate equal to (-2.8) and join them.
*Monday, March 16, 2015 by Athanasia*

**English**

Can you check my answers for "To Kill A Mockingbird"? please help Chapter 1 from the passage that begins with "Maycomb was an old town" and ends with " Mrs. Dubose was plain hell" . 1. The narrator creates a mood for Maycomb primarily through the ...
*Monday, March 16, 2015 by Jessie*

**Calc**

A balloon, 50 feet from an observer is rising at 20 ft/sec. At 5 sec after lift off, a)how fast is the distance between the observer and the balloon changing? b)How fast is the angle of elevation changing. I just need to know what formals to use. I know the first part requires...
*Monday, March 16, 2015 by Ryan kustin*

**math**

Plot three points with first coodinate equal to (-2.8) and join them
*Monday, March 16, 2015 by athanasia *

**math**

The apocalypse started in NY where 100 people were infected. From there the zombie apocalypse continued to spread. After 17 minutes the number of people infected 200 people.assume that no human have figured out how to kill the zombie or stop it from spreading for the first 24 ...
*Sunday, March 15, 2015 by tony*

**Early Childhood Education**

Lesson Plan for 3 year olds: See If I am doing it correctly. Goal: To teach how to recognize the first and last letter of their names. Objective: The children will identify and name the first and last letter of their names. Standards Include: Georgia Early Learning Guidelines...
*Sunday, March 15, 2015 by Barbara *

**math**

How do I write one equations in slope-intercept form, and three other lines in slope-intercept form that are perpendicular to the first line ?? Please Help, Thank you =)
*Sunday, March 15, 2015 by may*

**math**

Asha, Nangila and Cherop contributed shilling 60,000,shilling 85,000 and shilling 105 000 respectively. They agreed to put 25% of the profit back into business each year. They also agreed to put aside 40% of the remaining profit to cater for taxes and insurance. The rest of ...
*Sunday, March 15, 2015 by kudu*

**Science**

fus = 12.5 and vap = 93.2 both j/k x mol Determine the entropy change when 7.30 mol of HCL(g) condenses at atmospheric pressure. my first answer was -91.3 but it keeps telling me that is incorrect and that delta Svap if scaled at 1.00 mol but needs to be scaled to 7.30 mol ...
*Saturday, March 14, 2015 by Talaya*

**chemistry**

the wave length of the first line of the Lyman series of hydrogen is identical to the second line of the Balmer series for some hydrogen like ion 'X'.Identify the ion.
*Saturday, March 14, 2015 by babai*

**Algebra**

This is for a project for Beginning Algebra at Great Bridge Middle School 8th grade class. Here's the questions: The number of companies offering cell phone service has grown rapidly in recent years. The plans they offer vary greatly and it can be difficult to select the ...
*Saturday, March 14, 2015 by Connie*

**Physics**

Hi, can anybody provide some hints in how to approach these questions? I've been stuck on it for days!!! Thank you in advance!! Nodes of a Standing Wave: Consider a standing wave, where y represents the transverse displacement of a string that extends along the x direction...
*Saturday, March 14, 2015 by Tommy*

**Physics**

two cars start from rest and begin accerlating, one at 10m/s^2 and the other at 12m/s^2. how long will it take for the second car to be 100m ahead of the first car
*Friday, March 13, 2015 by Yes*

**Chemistry**

Rolaids is an over the counter remedy for upset stomachs that functions by reacting with stomach acid. The active ingredients are calcium carbonate (550 mg) and magnesium hydroxide (110 mg). The inactive ingredients are dextrose, flavoring, magnesium stearate, polyethylene ...
*Friday, March 13, 2015 by Jen24*

**Math**

1. The fourth and seventh terms of a geometric sequence are 6 and 384, respectively. What is the common ratio and the sixth term of the sequence? 2. The fifth and eight terms of a geometric sequence of real numbers are 7! and 8! respectively. What is the first term?
*Friday, March 13, 2015 by Penny*

**Steve - Stat**

A Bacteria has a doubling period of 8 days. If there are 2250 bacteria present now, how many will there be in 33 days? find the growth rate (Round this to 4 decimal places). Growth Rate___________. There will be _________ Bacteria. The growth rate you posted is showing up as ...
*Friday, March 13, 2015 by Bobbie*

**science**

A charge of +9.0 nC and a charge of +4.0 nC are separated by 50.0 cm. Find the equilibrium position for a −1.0 nC charge as a distance from the first charge. The Coulomb charge is 8.98755 × 109 N · m2 /C 2 . Answer in units of cm.
*Friday, March 13, 2015 by Julia*

**Social Studies **

CCA User 2) The only native american's who successfully stayed on their land were the? A)Seminole*** B)Sauk C)Cherokee D)Fox 5)The first college in the United States to admit women and African Americans? A)Mount Holyoke B)Ashmun Institute C)Oberlin college of Ohio D)...
*Friday, March 13, 2015 by Kailli*

**english check answers **

You have taken me prisoner with all my warriors. I am much grieved, for I expected, if I did not defeat you, to hold out much longer, and give you more trouble before I surrendered. I tried hard to bring you into ambush, but your last general understands Indian fighting. The ...
*Friday, March 13, 2015 by jimm*

**checking my answers.**

In the winter of 1976, when I was only four years old, my family moved into a modest home in a growing Greenville neighborhood. Upon a slope on one side of the house, stood a dozen tree sprigs looking rather bald and barren. By springtime, however, the little trees began ...
*Thursday, March 12, 2015 by Laura*

**Science - 7th grade (repost)**

Can you check my homework? 38. How does natural selection lead to evolution? a. Organisms mutate to adapt to their environment. b. Helpful traits accumulate among surviving members of the species. c. Overproduction provides food for stronger members of the species. d. ...
*Thursday, March 12, 2015 by Alexis*

**English**

It was a night to remember. Marian Anderson was one my favorite singers. Her rendition of the song “Were You There” ran through my head as we walked toward the Metropolitan Opera House. Of course, I listened to the radio when she sang at the Lincoln Memorial in ’...
*Thursday, March 12, 2015 by Xavier*

**Art**

What twenty-first century technology has allowed artists to reproduce a hard copy of two-dimensional work such as a painting cheaply and quickly? A. Printer B. Camera C. Computer D. Internet Is the answer A? Thank you for the help.
*Thursday, March 12, 2015 by Anonymous*

**English*Checking Answers***

Hello, can someone check my english answers? The story: You have taken me prisoner with all my warriors. I am much grieved, for I expected, if I did not defeat you, to hold out much longer, and give you more trouble before I surrendered. I tried hard to bring you into ambush, ...
*Thursday, March 12, 2015 by Hannah*

**Art**

The picture is: Valley of the Shadow of Death its the first picture in google search. How does Roger Fenton use visual composition in Valley of the Shadow of Death to depict the loss of war? A. Cannonballs in a barren landscape hint at powerful destruction. B. Cannonballs are ...
*Thursday, March 12, 2015 by Anonymous*

**Science - 7th grade**

Can you check my homework? (don't think I'd posted before) 38. How does natural selection lead to evolution? a. Organisms mutate to adapt to their environment. b. Helpful traits accumulate among surviving members of the species. c. Overproduction provides food for ...
*Thursday, March 12, 2015 by Alexis*

**Chemistry **

A pH = 7.6 buffer is needed in the lab. This buffer is made by first dissolving 17.42 g K2HPO4 in 600 mL of water. What is the pH of this salt solution? This solution of course will be too basic becuase we only have the base of the buffer present. What must the value of the ...
*Thursday, March 12, 2015 by Carl *

**Computer Science**

You try to run the CHKDSK utility from a command prompt but you keep getting an error message that you need to run it in Elevated Mode. How do you correct this? Reboot the computer in SAFE Mode and then run CHKDSK from a command prompt. Open command prompt from the Windows ...
*Thursday, March 12, 2015 by Ally*

**english confused **

ive read this story over five times and still dont really get the meaning of bia's dream help plzz RED MESA, Arizona (Achieve3000, July 21, 2007). Although she grew up as a Diné, the term Navajo members use to describe their nation, young Andrethia Bia measured her ...
*Thursday, March 12, 2015 by jimm*

**Physics**

Assume you have a rocket that requires a change in velocity of DeltaV=9.6km/s . There are two options for the propulsion system --- 1. chemical and 2. electric --- each with a different specific impulse. Using the setting of g0 =9.81m/s^2 to calculate the propellant fraction ...
*Thursday, March 12, 2015 by Janet *

**Physics **

Assume you have a rocket that requires a change in velocity of ¦¤V¡Ö9.6km/s . There are two options for the propulsion system --- 1. chemical and 2. electric --- each with a different specific impulse. Using the setting of g 0 =9.81m/s^2 to calculate ...
*Thursday, March 12, 2015 by Janet *

**Social Studies**

which of the following was a change made to transportation during the 1920 A Airplanes were invented and used for the first time.***** B Railroads were introduced, making it easier to ship goods c The first canals between waterways were built d Installment plans offered by car...
*Thursday, March 12, 2015 by BUBBLES*