Tuesday

July 29, 2014

July 29, 2014

**Recent Homework Questions About First Aid**

Post a New Question | Current Questions

**physics**

Assuming the Earth's magnetic field averages about 0.50×10−4 T near Earth's surface, estimate the total energy stored in this field in the first 15km above Earth's surface. The radius of Earth is 6380 km.
*Sunday, March 23, 2014 at 8:15pm*

**physics**

52.(52G) A 110-kg crate, starting from rest, is pulled across a floor with a constant horizontal force of 350 N. For the first 15 m the floor is frictionless, and for the next 15 m the coefficient of friction is 0.30. What is the final speed of the crate?
*Sunday, March 23, 2014 at 7:39pm*

**chemistry**

1. When performing this experiment, a student mistakenly used impure KHP to standardize the NaOH solution. If the impurity is neither acidic nor basic, will the percent by mass of acetic acid in the vinegar solution determined by the student be too high or too low? Justify ...
*Sunday, March 23, 2014 at 3:05pm*

**Chemistry - check answers**

1) Which element has the largest first ionization energy? A) Rb, B) Fr, C) K, D) Na, E) Mg Answer: E 2) Which has the highest electronegativity? A) Na, B) Cs, C) Si, D) Te, E) Cl Answer: E 3) In which of the following are the bonds arranged in order of increasing polarity? A) ...
*Saturday, March 22, 2014 at 8:22pm*

**physics**

Three identical uniform meter sticks are placed on the floor. The first stick lies along the y axis from y = 0.320 m to y = 1.32 m. The second stick lies along the x axis from x = 0.330 m to x = 1.33 m. The third stick is positioned so that one end is on the x axis at x = 0....
*Friday, March 21, 2014 at 10:01pm*

**Math**

The number of tickets sold each day for an upcoming performance of Handels Messiah is given by N(x)=-0.4x^2+11.2x+13, where x is the number of days since the concert was first announced. When will daily ticket sales peak and how many tickets will be sold that day?
*Friday, March 21, 2014 at 9:41pm*

**Economics HELP PLEASE!!!!**

Can someone please help me with a hint to solve this problem?? I'm struggling really hard with this. "Consider an oligopolistic market with two firms. Each of them produces using a cost function given by c(q)=q^2. The aggregate demand in the market is given by 1000&#...
*Friday, March 21, 2014 at 2:33pm*

**Algebra **

1) There are two pet stores in zacharys town. There are dogs, cats, and hamsters at the first pet store. The second store has dogs, rabbits, and fish. Write a set that represents all of the different pets stores in the town. 4) The cheerleading squad is having a bake sale. ...
*Friday, March 21, 2014 at 2:27pm*

**scholarship essay edit**

can someone edit this? Throughout my life’s journey, I have come to attain two true passions - the first one being English studies. Since the very dawn of childhood, I have been known to bleed the calligraphic content of Gary Soto's brilliant poetry and breathe the ...
*Friday, March 21, 2014 at 1:23pm*

**Math - PreCalc (12th Grade)**

The function f(x) = 6x + 5 is defined over the interval [-1, 4]. If the interval is divided into n equal parts, what is the value of the right end point of the first rectangle?
*Friday, March 21, 2014 at 11:42am*

**Chemistry-Repost for DrBob222**

The reaction OH- + NH4+ = H20 + NH3 is kinetically first order in both reactants' concentrations. The rate constant is 2e10 1/M s. If 50 ml of .01 M NaOH is mixed with 50 ml of .01 M NH4CL, find the time required for the OH- concentration to reach 1e-4 M. Your answer: It ...
*Friday, March 21, 2014 at 10:39am*

**Math ~ Check Answers ~**

3. In the following list of data, find the range: 21, 28, 31, 35, 39, 43, 51, 60. 35 37 39****** 40 Pat recorded the weights of the first 10 fish she caught and released at Mirror Lake this season. The weights were 8 lb, 6 lb, 9 lb, 6 lb, 7 lb, 5 lb, 7 lb, 6 lb, 23 lb, and 6 ...
*Thursday, March 20, 2014 at 10:19pm*

**Math ~ Check Answers ~ASAP**

3. In the following list of data, find the range: 21, 28, 31, 35, 39, 43, 51, 60. 35 37 39****** 40 Pat recorded the weights of the first 10 fish she caught and released at Mirror Lake this season. The weights were 8 lb, 6 lb, 9 lb, 6 lb, 7 lb, 5 lb, 7 lb, 6 lb, 23 lb, and 6 ...
*Thursday, March 20, 2014 at 10:08pm*

**Language arts help!!**

1–6, read the play excerpt below and answer the questions that follow. Jaws of the Water ACT TWO At rise we see DAD, TINA, and MARK rushing in and out of the living room. Each enters carrying important items—such as sleeping bags, rain gear, and gallons of water—...
*Thursday, March 20, 2014 at 8:20pm*

**Math economics HELP!!!**

Can someone please help me with a hint to solve this problem?? I'm struggling really hard with this. Thanks!!! "Consider an oligopolistic market with two firms. Each of them produces using a cost function given by c(q)=q^2. The aggregate demand in the market is given ...
*Thursday, March 20, 2014 at 6:05pm*

**Calculus Help STEVE**

find y'' by implicit differentiation. 2x^3 + 3y^3 = 8 I got the first derivative as you but the problem was asking for second derivative by implicit diff. this is where i got confused. Thank you!!!
*Thursday, March 20, 2014 at 5:51pm*

**CORE MATHS**

The first two terms in the expansion of (1+ax/2)^10 + (1+bx)^10 in ascending powers of x., are 2 and 90x^2 Given that a is less than b find the values of the constants a and b . (11 marks) Thanks :)
*Thursday, March 20, 2014 at 5:13pm*

**TO: DrBob222 science**

1. Write the chemical formula for each of the following acids: a.) hydrocyanic acid b.) oxalic acid c.) chlorous acid d.) nitric acid 2. Write the acid name or chemical formula for each of the following: a.) HBr b.) sulfurous acid c.) HClO4 D.) phosphoric acid 3. First ...
*Thursday, March 20, 2014 at 4:55pm*

**Algebra **

1) There are two pet stores in zacharys town. There are dogs, cats, and hamsters at the first pet store. The second store has dogs, rabbits, and fish. Write a set that represents all of the different pets stores in the town. 4) The cheerleading squad is having a bake sale. ...
*Thursday, March 20, 2014 at 4:12pm*

**Physics**

A direct current power supply is connected to a circuit containing one resistor, and 1.5 A is drawn. If a second identical resistor is connected to the power supply in parallel with the first, how much current is drawn from the battery?
*Thursday, March 20, 2014 at 1:01pm*

**Computer **

Home work:- Write a program to read 5 records consists of first name, last name, id and grade. Assign the grade according to the following specifications: 0<g<= 50 F 50<g<=60 D 60< g<= 70 C 70<g<=90 B 90<g <=100 A Use Stringtokenizer and buffering...
*Thursday, March 20, 2014 at 12:49pm*

**Math - PreCalc (12th Grade)**

If Sn represents the sum of the squares of the first n natural numbers, use proof by induction to find which of the following expressions for Sn is true? A) Sn = n(n − 1)/3 B) Sn = n(2n − 1)/3 C) Sn = n(n + 1)/3 D) Sn = n(n + 1)(2n + 1)/3
*Thursday, March 20, 2014 at 12:23pm*

**physics**

If the speed of the cart at the first photogate is 2.3 m/s, and the speed of the cart at the first photogate is 1.8 m/s, what is the percentage change in the speed of the cart (LEAVE OUT the % symbol)?
*Thursday, March 20, 2014 at 9:25am*

**physics **

If the average time from one on state to the next one on the first photogate is 0.005 seconds, what is the speed of the cart at this point (LEAVE OUT the units of m/s)?
*Thursday, March 20, 2014 at 9:19am*

**Chemistry**

The energies, E, for the first few states of an unknown element are shown here in arbitrary units: n= 1, E=-21 n=2, E=-9 n=3, E=-4 n=4, E=-3 ...,... infinity, 0 A gaseous sample of this element is bombarded by photons of various energies (in these same units). Match each ...
*Wednesday, March 19, 2014 at 10:33pm*

**Maths**

A string of decorative lights is 28 ft long the first light on the string is 16 inches from the plug if the lights on the string are spaced 4 inches apart how many lights are there on the string
*Wednesday, March 19, 2014 at 7:50pm*

**Chemistry**

The reaction OH- + NH4+ = H20 + NH3 is kinetically first order in both reactants' concentrations. The rate constant is 2e10 1/M s. If 50 ml of .01 M NaOH is mixed with 50 ml of .01 M NH4CL, find the time required for the OH- concentration to reach 1e-4 M.
*Wednesday, March 19, 2014 at 6:04pm*

**english**

how would you start off an essay that is about the lack of privacy you have? (has to be in first person)
*Wednesday, March 19, 2014 at 4:56pm*

**math**

The first term of an AP is 8. The ratio of d 11th term to the 7th term is 5:8 calculate the common difference
*Wednesday, March 19, 2014 at 1:40pm*

**Math - PreCalc (12th Grade)**

What is the first natural number that causes the statement 1 + 3 + 5 +... + (2n − 1)<=4n − 1 to fail? A) 2 B) 3 C) 4 D) 5 E) 6
*Wednesday, March 19, 2014 at 12:05pm*

**Math - PreCalc (12th Grade)**

What is the first natural number that causes the statement:(2+3)^n<=4^n+3^n to fail? A) 1 B) 2 C) 3 D) 4 E) 5
*Wednesday, March 19, 2014 at 11:56am*

**grammar**

The patient’s first visit, to the office, was for lower back pain.
*Wednesday, March 19, 2014 at 11:16am*

**Math - PreCalc (12th Grade)**

Jake has decided upon three business ventures to invest in. The total cost of investing in all three ventures will be $15,000. Investing in the first venture will cost $3,000 more than investing in both the second and the third venture. According to Jake’s research, his ...
*Wednesday, March 19, 2014 at 10:26am*

**English**

Posted by rfvv on Wednesday, March 19, 2014 at 2:24am. 1. It's very noisy here. I can't stand it any more. (What does "it" refer to in the first sentence? What does "it" refer to in the second sentence? Are both the same? Is 'it' an ...
*Wednesday, March 19, 2014 at 9:01am*

**English**

1. It's very noisy here. I can't stand it any more. (What does "it" refer to in the first sentence? What does "it" refer to in the second sentence? Are both the same? Is 'it' an impersonal pronoun or just a pronoun which refers to something ...
*Wednesday, March 19, 2014 at 2:24am*

**Applied Math (Biological application)**

The deformation y(t) of heart muscle from its rest position after t seconds can be modelled as a spring-mass system, described by the differential equation: my" + vy' + ky = F(t) where m, v, and k are positive constants denoting the mass of the myocardial tissue, and ...
*Wednesday, March 19, 2014 at 12:28am*

**Chemistry**

Hello! I'm doing these questions for my chemistry homework, and I can only figure out the first one, I don't know how to do the rest, I'm completely stuck! Please help!! Thank you! 1.) For the reaction, calculate how many grams of the product form when 18.4g of Ca ...
*Tuesday, March 18, 2014 at 10:55pm*

**Physics**

(Need Help Only For Last Question! I figured out the first two.) A car of mass m = 1130 kg is traveling down a θ = 11 degree incline. When the car's speed is v0 = 11 m/s, a mechanical failure causes all four of its brakes to lock. The coefficient of kinetic friction ...
*Tuesday, March 18, 2014 at 10:32pm*

**Math**

The number of tickets sold each day for an upcoming performance is given by N(x)=-0.3x^2+9x+15, where x is the number of days since the concert was first announced. When will daily ticket sales peak and how many tickets will be sold that day?
*Tuesday, March 18, 2014 at 10:06pm*

**social studies**

1.D 2.B 4.C 1. the monumental cities of the incas demonstrated their A. extensive trade networks B. high level of organization C. interest in astronomy D. dependence on farming. 2. How does jose de san martin contribute to the formation of nations in the region? A. he became ...
*Tuesday, March 18, 2014 at 2:50pm*

**English**

Which of the following sentences from "Five Hours to Simla" best illustrates the mood of frustration? (1 point) • "After the first cacophony of screeching brakes and grinding gears. there followed the comparatively static hum of engines, and drivers waited ...
*Tuesday, March 18, 2014 at 1:49pm*

**MATH QUIZ PLZ HELP**

1.You roll a number cube numbered one to six 12 times. P(5) = two over three. What type of probability is illustrated and why? (1 point) experimental; the result is based on the number of possible outcomes experimental; the result is found by repeating an experiment ...
*Tuesday, March 18, 2014 at 1:14pm*

**Accounting - need guidance **

On January 1, 2012, Bartell Company sold its idle plant facility to Cooper Inc. for $1,050000. On this date, the plant had a depreciated cost of $735,000. Cooper paid $150,000 cash on January 1, 2012, and signed a $900,000 note bearing interest at 10%. The note was payable in ...
*Tuesday, March 18, 2014 at 12:04pm*

**AMERICAN HISTORY**

BEFORE DEPARTING FOR WHAT WOULD BECOME THE PLYMOUTH COLONY, THE SCROOBY SEPARATISTS FIRST LIVED FOR IN A.SCOTLAND B. THE CHESAPEAKE C. THE NETHERLANDS D. BELGIUM
*Tuesday, March 18, 2014 at 11:44am*

**STATISTIC ****HELP******

The tests done to determine if someone is HIV positive are called Enzyme immunoassay or EIA tests. The test screens a blood sample for the presence of antibodies to HIV. Like most tests, this test is not perfect. The table below shows the approximate probabilities of positive ...
*Tuesday, March 18, 2014 at 9:25am*

**Math**

Liam has a bag containing five red, two blue, five green, six yellow and two white marbles that are all the same size and shape. what is the probability of randomly choosing a green marble on the first pick, not replacing it, and then randomly choosing a green marble on the ...
*Tuesday, March 18, 2014 at 1:27am*

**accounting-fory**

On January 1, 2012, Bartell Company sold its idle plant facility to Cooper Inc. for $1,050000. On this date, the plant had a depreciated cost of $735,000. Cooper paid $150,000 cash on January 1, 2012, and signed a $900,000 note bearing interest at 10%. The note was payable in ...
*Monday, March 17, 2014 at 11:10pm*

**Algebra**

Fiona and camila took a load of peaches to the farmers market. During the first hour , they sold 1/2 of the peaches plus 1/2 of a peach. In the second hour, they sold 1/3 of the remaining peaches plus 1/3 of a peach. In the third hour , they so,d 1/4 of what was left and 3/4 ...
*Monday, March 17, 2014 at 10:28pm*

**help ms sue lang arts**

For Questions 1–6, read the play excerpt below and answer the questions that follow. Jaws of the Water ACT TWO At rise we see DAD, TINA, and MARK rushing in and out of the living room. Each enters carrying important items—such as sleeping bags, rain gear, and ...
*Monday, March 17, 2014 at 7:04pm*

**AP Calc**

The base of a solid is the region in the first quadrant bounded by the ellipse x^2/a^2 + y^2/b^2 = 1. Each cross-section perpendicular to the x-axis is an isosceles right triangle with the hypotenuse as the base. Find the volume of the solid in terms of a and b. I'm having...
*Monday, March 17, 2014 at 5:14pm*

**2 LA questions pls help!!!**

1. Which words clue the reader about the compare-and-contrast organization in the opening paragraph of "The Next Big Thing"? (1 point) "pros and cons" "for example" "what it led to" 2. Which of the following notes in the section titled &...
*Monday, March 17, 2014 at 4:52pm*

**help ASAP Statistic**

The tests done to determine if someone is HIV positive are called Enzyme immunoassay or EIA tests. The test screens a blood sample for the presence of antibodies to HIV. Like most tests, this test is not perfect. The table below shows the approximate probabilities of positive ...
*Monday, March 17, 2014 at 3:55pm*

**Statistic help ASAP Please**

The tests done to determine if someone is HIV positive are called Enzyme immunoassay or EIA tests. The test screens a blood sample for the presence of antibodies to HIV. Like most tests, this test is not perfect. The table below shows the approximate probabilities of positive ...
*Monday, March 17, 2014 at 12:09pm*

**algerbra**

A taxi company charges $2.40 for the first mile and $1.20 per mile for each additional mile. How much would the bill be for a 15 mile trip?
*Sunday, March 16, 2014 at 10:52pm*

**Algebra **

1) There are two pet stores in zacharys town. There are dogs, cats, and hamsters at the first pet store. The second store has dogs, rabbits, and fish. Write a set that represents all of the different pets stores in the town. 4) The cheerleading squad is having a bake sale. ...
*Sunday, March 16, 2014 at 8:48pm*

**english**

Put an accent mark above the strong beats in the first four lines of the poem : Back and Forth. Back and forth go the ferries, back and forth from shore to shore, hauling people, trucks and autos, back and forth from shore to shore.
*Sunday, March 16, 2014 at 7:47pm*

**Language Art (Please Check)**

1.C which of the following is a simple sentence? A.she lit a lantern and raced toward the bridge B.the lantern did not work,so she tossed it aside C.buck and minnie were the first horses out of the barn D.she was startled by a sound,which turned out to be thunder
*Sunday, March 16, 2014 at 6:50pm*

**english**

list three sets of rhyming words from this poem. One set has four words. Summer. When summer blues the skies and thrushes sing for hours, and gold and orange butterflies float by like flying flowers. Although I squint my eyes the way a thinker does, somehow, I just can't ...
*Sunday, March 16, 2014 at 6:12pm*

**C++**

The variables arr1 and arr2 have been declared as pointers to integers . An array of 10 elements has been allocated, its pointer assigned to arr1, and the elements initialized to some values . Allocate an array of 20 elements , assign its pointer to arr2, copy the 10 elements ...
*Sunday, March 16, 2014 at 5:14pm*

**Algebra **

1) There are two pet stores in zacharys town. There are dogs, cats, and hamsters at the first pet store. The second store has dogs, rabbits, and fish. Write a set that represents all of the different pets stores in the town. 4) The cheerleading squad is having a bake sale. ...
*Sunday, March 16, 2014 at 4:25pm*

**bcf103**

your acquisition program expects to award a vehicle production contract in April 2005. The first item from this contract is expected to be delivered in January 2006. The estimated unit cost for each vehicle is $1 million (then-year dollars and the contractor can deliver ...
*Sunday, March 16, 2014 at 2:04pm*

**Algebra **

1) There are two pet stores in zacharys town. There are dogs, cats, and hamsters at the first pet store. The second store has dogs, rabbits, and fish. Write a set that represents all of the different pets stores in the town. 2) of the 125 students in an elementary school, 89 ...
*Saturday, March 15, 2014 at 11:27pm*

**Algebra **

1) If N is the set of natural numbers that are factors of 18, represent this set in roster form. 2) Suppose U={1,2,3,4,5,6,7,8,9,10} is the universal set and A={1,4,5,9,10} What is A? 3) The wrestling team is holding a car wash. The teams goal is to raise at lease 252 and each...
*Saturday, March 15, 2014 at 11:27pm*

**math**

the number of tickets sold each day for an upcoming performance is given by N(x)=-0.5x^2+13x+15 where x is the number of days since the concert was first announced. When will daily ticket sales peak and how many tickets will be sold that day? Ticket sales peak ___ days after ...
*Saturday, March 15, 2014 at 10:56pm*

**English**

"You should just go somewhere. You ruined our relationship, and I don't want to talk to you anymore," Bertha said to Mitchell as he begged her for forgiveness, "But, Bertha, you are the best girl in the world. You make my dreams come true." Bertha ...
*Saturday, March 15, 2014 at 8:01pm*

**English**

"I don't want to put my shoes on," cried Timmy. Timmy had been fussy ever since snack time. He didn't get a cheese stick because Michael ate the last one. Then he didn't get to sleep at all during nap time. Now he was really worked up. "I want to go ...
*Saturday, March 15, 2014 at 7:56pm*

**English**

First, you will need to wash your hands and gather all of your materials. Once you've done that, follow all of the directions in your cookbook. Put your crispy treats in the oven and cook for 30-35. Once the treats are cooled, you and your friends can enjoy. a)first person...
*Saturday, March 15, 2014 at 7:51pm*

**English**

Timmy Turner was rushing to get to school because he was going on a field trip. Timmy felt so happy and excited that he was going on his first field trip of the year. Timmy thought that everything was going to go good that day. a)first person b) second person c) third person I...
*Saturday, March 15, 2014 at 7:48pm*

**English**

Emma thought and she thought: How can I make people notice me? Then, Emma's two twin nieces ran in the kitchen and asked Emma to make a batch of cookies for their class. She did, and the next day at the bake sale, lots of children and parents were buying her cookies. a)...
*Saturday, March 15, 2014 at 7:31pm*

**English**

When I went to the store, I witnessed a girl crying on the street and I took a closer look and saw it was my friend. I walked to where she was and asked her what was wrong. She said, "Family problems." Being a good friend, I told her to call me later if she wanted to...
*Saturday, March 15, 2014 at 7:27pm*

**English**

How to Properly Clean Your Disc: First, buy a CD buffer from your neighborhood Gamestop store. If you want to clean your CD for free instead, get a Q-tip or soft cloth. Use alcohol or window cleaner and wipe up and down applying light pressure as needed. a) first person b) ...
*Saturday, March 15, 2014 at 7:22pm*

**English**

Some dark night Shelly said, "I hate squirrels," but really she loved them. Carol said, "They smell," but really, she loved them too. Both of them thought that squirrels were pretty cute. A) first person B) second person C) third person I think C
*Saturday, March 15, 2014 at 7:17pm*

**English**

We are not as close as we once were, at least not since the thing happened. We were sitting in science class when I decided to look at her notebook. I noticed that she wasn't taking notes. I think this would be first person
*Saturday, March 15, 2014 at 7:11pm*

**Englsih**

To Make French Toast: First, take out skillet to cook and turn the stove on low. Second, you will melt the butter in the pan and stir it with a spatula. Third, beat the eggs. Fourth, lay the bread, white or wheat, on both sides in the eggs. Fifth, sit the bread on top of ...
*Saturday, March 15, 2014 at 6:37pm*

**English**

First, Second or Third person "Do you love candy?" I asked my friend Roxis. I always make friends with other people. a)first person b) second-person c) third-person I think A
*Saturday, March 15, 2014 at 6:34pm*

**American History**

__ and ___ first attracted settlers to the West. I know cheap land and gold were factors but I don't know what were the first things were
*Saturday, March 15, 2014 at 12:08am*

**Science**

1. Which of the following can be expected to occur as climate change continues on Earth? (1 point) decreased melting of sea ice decreased migration of pests and pathogens increased freshwater sources increased coastal flooding* 2. Which piece of children’s’ ...
*Friday, March 14, 2014 at 10:35pm*

**physics**

When rolling along the felt on the billiard table, the ball experiences a frictional force of 0.2 N. a. What is the deceleration of the ball on the felt? b. How far will the ball roll before stopping? c. Explain this in terms of Newtons first law of motion.
*Friday, March 14, 2014 at 8:52pm*

**Math**

At an office, the manager earns 40% more than a first year employee. The employee earns what fraction of the manager earnings? (a) 1/4 (b) 3/4 (c) 5/7 (d) 4/5
*Friday, March 14, 2014 at 8:35pm*

**math**

A G.P has 6 terms. If the 3rd and 4th term are 28 and -56 respectively find common ratio, first term and the sum of the G.P.
*Friday, March 14, 2014 at 4:47pm*

**Art help plz**

1. This American monument was inspired by Ramses’ Abu Simbel. (1 point) Washington Monument Mount Rushmore Statue of Liberty Lincoln Monument 2. Ramses’ first temple at Abu Simbel intended to send this message. (1 point) a message of celebration and joy a message of ...
*Friday, March 14, 2014 at 3:20pm*

**Phys/Ed Please Help**

1. Select the skill-related component which is defined as the ability to combine strength and speed while you are moving. A. balance B. coordination C. power D. speed 2. At the paintball field, Wynonna is always the first one on her team to be hit with the paintball and put ...
*Friday, March 14, 2014 at 1:27pm*

**Social studies**

Four major candidates ran in the 1824 election, all under the "Democratic-Republican" name. One of the candidates, Andrew Jackson, was already famous. In the 1780s, he earned the right to practice law and served in various offices of the state government, including ...
*Friday, March 14, 2014 at 1:20pm*

**Algebra **

1) If N is the set of natural numbers that are factors of 18, represent this set in roster form. 2) Suppose U={1,2,3,4,5,6,7,8,9,10} is the universal set and A={1,4,5,9,10} What is A? 3) The wrestling team is holding a car wash. The teams goal is to raise at lease 252 and each...
*Friday, March 14, 2014 at 12:34pm*

**Algebra **

1) There are two pet stores in zacharys town. There are dogs, cats, and hamsters at the first pet store. The second store has dogs, rabbits, and fish. Write a set that represents all of the different pets stores in the town. 2) of the 125 students in an elementary school, 89 ...
*Friday, March 14, 2014 at 12:33pm*

**Math**

A firm is evaluating two machines. The first costs $250,000 and will require annual maintenance of $30,000 per year for 10 years. At the end of 10 years, the salvage value will be $75,000. The second machine costs $400,000 and will require $225,000 at the end of the fifth year...
*Friday, March 14, 2014 at 9:35am*

**Algebra **

1) If N is the set of natural numbers that are factors of 18, represent this set in roster form. 2) Suppose U={1,2,3,4,5,6,7,8,9,10} is the universal set and A={1,4,5,9,10} What is A? 3) The wrestling team is holding a car wash. The teams goal is to raise at lease 252 and each...
*Friday, March 14, 2014 at 1:16am*

**Practical English**

A trip to the ocean can be a relaxing escape from the everyday pressures of life. A sailboat glistening on the horizon provides a mental escape to faraway places. The rhythm of the ocean beating against the sand is sedating music to a troubled mind. A slow, gentle breeze can ...
*Thursday, March 13, 2014 at 11:04pm*

**Algebra **

1) There are two pet stores in zacharys town. There are dogs, cats, and hamsters at the first pet store. The second store has dogs, rabbits, and fish. Write a set that represents all of the different pets stores in the town. 2) of the 125 students in an elementary school, 89 ...
*Thursday, March 13, 2014 at 10:21pm*

**Algebra **

1) If N is the set of natural numbers that are factors of 18, represent this set in roster form. 2) Suppose U={1,2,3,4,5,6,7,8,9,10} is the universal set and A={1,4,5,9,10} What is A? 3) The wrestling team is holding a car wash. The teams goal is to raise at lease 252 and each...
*Thursday, March 13, 2014 at 10:02pm*

**S.S (DAMON)**

1.A 2.C 3.A 4.B 5.D 6. How are natural disasters,like hurricanes and earthquakes,a threat to biodiversity? A. they destroy natural habitats,such as coral reefs,as well B. many of the regions residents lose their homes or businessses C. They are very common,so many creatures ...
*Thursday, March 13, 2014 at 2:09pm*

**Global Studies**

Although fish is the Atlantic provinces' most abundant natural resource, what caused cod fishing to be banned throughout Canada in 2003? a. A disease killed all the cod b. People stopped eating cod c. Gas-powdered fishing boats were outlawed first d. Over-fishing was ...
*Thursday, March 13, 2014 at 1:02pm*

**Math, accounting, investments**

A firm is evaluating two machines. The first costs $250,000 and will require annual maintenance of $30,000 per year for 10 years. At the end of 10 years, the salvage value will be $75,000. The second machine costs $400,000 and will require $225,000 at the end of the fifth year...
*Thursday, March 13, 2014 at 11:09am*

**Physic II**

Physicists claim that charge never flows through an ideal capacitor. Yet when an uncharged capacitor is first placed in series with a resistor and a battery, then current flows through the battery and the resistor. Explain how this is possible.
*Thursday, March 13, 2014 at 10:59am*

**English**

Can someone help me figure out what me figure out what my teacher is talking about here. I had to write a self introduction and she told me that I had spelling errors and redundant words. I don't see where she's talking about. My name is Devyn Donahue. I am originally ...
*Thursday, March 13, 2014 at 10:56am*

**ENG 122 **

When using the BEAM style of evaluation, which of the following is UNLIKELY to occur? (Points : 1) Writers will probably meet all research needs. Writers will need multiple examples of all four kinds of sources. Any single source will probably feature more than one of the BEAM...
*Thursday, March 13, 2014 at 9:39am*

**English**

Hi, Can someone help me with my online Psychology assignment? She is a stickler for punctuation and grammar. I have not taken English yet. I need all the help I can get. The following is my assignment and response. For this assignment, I'd like you to think about your ...
*Thursday, March 13, 2014 at 9:28am*

**chemistry**

Arrange the three metals in order of their relative strengths as reducing agents, placing the strongest first. Write each metal as a half reaction.
*Wednesday, March 12, 2014 at 7:46pm*

**help me with this pe.**

1. Which resource would be the best choice to learn more information about joining a cricket team? (1 point) county aquatics facility lifeguard local community center private equestrian center 2. At the 8th grade dance, Myron asks Janelle if she would like to dance with him ...
*Wednesday, March 12, 2014 at 5:05pm*

**physics**

A glider with a mass of 3 kg is moving rightward at a speed of 2 m/s on a frictionless horizontal air track. It collides with a stationary glider whose mass is 18 kg. If the collision is elastic, what is the speed of the gliders after the collision? Use SI units in your answer...
*Wednesday, March 12, 2014 at 4:36pm*

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