Thursday

April 17, 2014

April 17, 2014

**Recent Homework Questions About First Aid**

Post a New Question | Current Questions

**chemistry**

First you need to find the limited reactant. You do this by dividing the 2.0 g of NaSO4 by it's molar mass as well as the 2.0 g of Calcium Sulfate dihyrdate (CaCl2 + 2H20) You'll find that the Calcium sulfate is the limited reactant. From there you Take the moles of ...
*Monday, February 10, 2014 at 2:52am*

**Chemistry**

iron has three main naturally occuring isotopes which can be investigated using a mass spectrometer. The first stage in the operation of the mass spectrometer is vaporization. The iron is then oxidized. Explain why the iron is oxidized. Explain why a very low pressure is ...
*Sunday, February 9, 2014 at 9:29pm*

**physics (this one is killing me clear answer)**

Well you're trying to find the v at 1.50. Which we'll call v2 brah. How does one get to v2 from the given though? Well you find the components of v1 first. v1 is 3.60 m/s as it is the first velocity we're dealing with. Hopefully you know how to find the components...
*Sunday, February 9, 2014 at 9:02pm*

**Physics**

Yes, the negative is unreal and wrong. The trajectory is a parabola. It crosses the x axis twice. However the first crossing is in our imaginations. It is before the kid dropped the bag, as if the bag had been thrown up from the ground instead of starting 34 meters up with an ...
*Sunday, February 9, 2014 at 7:54pm*

**physics**

passenger in a moving car and a passerby standing at the road side see each other as moving in the opposite direction. Which of the following is NOT true? The passenger is in motion relative to the passer-by The passer-by is stationary relative to the passenger Both observers ...
*Sunday, February 9, 2014 at 7:09pm*

**intermediate algebra**

A woman has a total of $9,000 to invest. She invests part of the money in an account that pays 5% per year and the rest in an account that pays 10% per year. If the interest earned in the first year is $650, how much did she invest in each account?
*Sunday, February 9, 2014 at 5:59pm*

**algebra & trigonometry**

graph it. let x axis be B, and y axis be A. the intercepts are (0,20), and (200/30, 0) Think out why those are the intercepts. Now you have one other line, on the at least 10 items constraint. Plot this line: 300/30,0 and 0,300/10 connect that line, it represents at least ten ...
*Sunday, February 9, 2014 at 5:34pm*

**math**

They share the point (-1,-2) the first one goes right from there with slope 2 and the second one goes left from there at slope 1
*Sunday, February 9, 2014 at 3:59pm*

**Algebra 2**

Can someone please explain how to do this problem? Woodrow wins a tic-tac-toe game 65% of the time when he chooses the first square and 32% of the time when his opponent chooses the first square. The player who plays first is chosen by a coin toss. What is the probability that...
*Sunday, February 9, 2014 at 3:43pm*

**algebra & trigonometry**

a = first number b = second number c = third number b = 2 c + 1 a + c = b - 3 a + c = ( 2 c + 1 ) - 3 a + c = 2 c - 2 a = 2 c - 2 - c a = c - 2 a + b + c = 7 c - 2 + 2 c + 1 + c = 7 4 c - 1 = 7 4 c = 7 + 1 4 c = 8 Divide both sides by 4 c = 8 / 4 = 2 a = c - 2 = 2 - 2 = 0 b = ...
*Sunday, February 9, 2014 at 2:15pm*

**algebra & trigonometry**

The sum of three whole numbers is 7. The second number is 1 more than the twice of the third number. The sum of first and third number is 3 less than the second number. Find all the three numbers. Thanks
*Sunday, February 9, 2014 at 1:47pm*

**algebra & trigonometry**

The sum of three whole numbers is 7. The second number is 1 more than the twice of the third number. The sum of first and third number is 3 less than the second number. Find all the three numbers. Thanks
*Sunday, February 9, 2014 at 1:42pm*

**Physics**

a vector with a magnitude of 17.6 m is directed at angle θ = 43o counterclockwise from the +x axis. What are the components (a) ax and (b) ay of the vector? A second coordinate system is inclined by angle θ' = 20o with respect to the first. What are the ...
*Sunday, February 9, 2014 at 6:17am*

**economic**

6. The table below is a set of hypothetical production possibilities for a nation. Combination Automobiles(thousands) Beef (thousands of tons) A 0 10 B 2 9 C 4 7 D 6 4 E 8 0 a) Plot the production possibility data. What is the opportunity cost of the first 20000 cars produced...
*Sunday, February 9, 2014 at 12:25am*

** economic**

The table below is a set of hypothetical production possibilities for a nation. Combination Automobiles(thousands) Beef (thousands of tons) A 0 10 B 2 9 C 4 7 D 6 4 E 8 0 a.)Plot the production possibility data. What is the opportunity cost of the first 20000 cars produced? ...
*Sunday, February 9, 2014 at 12:16am*

**Physics**

A vector with a magnitude of 17.6 m is directed at angle θ = 43o counterclockwise from the +x axis. What are the components (a) ax and (b) ay of the vector? A second coordinate system is inclined by angle θ' = 20o with respect to the first. What are the ...
*Sunday, February 9, 2014 at 12:13am*

**science**

BC: d = rate x time 40,000 = 2500*t t = 8 hours for the first half. 40,000 = 1000*t t = 20 hours for the second half. Total time = 28 hours. There are ways to go here. The first is to see if half the time (14 hours) at the FC speeds will come up more or less than 40,000. d = ...
*Saturday, February 8, 2014 at 9:07pm*

**Physics**

Sound is emitted by a point source. You wish to compare the sound intensity and sound intensity level from this source at two different sites. If the distance to the second site is a factor of 6 greater than the distance to the first, determine the following. (a) Determine the...
*Saturday, February 8, 2014 at 8:44pm*

**Physics**

Sound is emitted by a point source. You wish to compare the sound intensity and sound intensity level from this source at two different sites. If the distance to the second site is a factor of 6 greater than the distance to the first, determine the following. (a) Determine the...
*Saturday, February 8, 2014 at 7:16pm*

**science**

A British Concorde (BC) and a French Concorde (FC) flew in opposite directions around the earth (40 000 km). The BC covered half of its flight distance at a supersonic speed of 2500 km/h and the other half at a subsonic speed of 1000 km/h. The FC spent half of its flight time ...
*Saturday, February 8, 2014 at 7:13pm*

**physics**

a bead on a wire 30m high is released and reaches point A, where is loops twice towards the right. what is the velocity and acceleration at point A-D? point A is at 20m directly below from starting point. Point B is 10m at the bottom of the first loop. point C is in between ...
*Saturday, February 8, 2014 at 7:06pm*

**Southern Union**

How fast is it going when it leaves the roof? v = a T d = .5 a t^2 64 = .5 * 3.35 * t^2 so t = 6.18 seconds on roof v = 3.35 * 6.18 = 20.7 m/s leaving roof Vertical velocity leaving roof = -20.7 sin 20 deg = -7.08 m/s horizontal velocity roof to ground = 20.7 cos 20 = 19.5 m/s...
*Saturday, February 8, 2014 at 6:36pm*

**Physics**

The energy of the first excited state of a hydrogen atom is -0.34 eV ± 0.0003 eV. What is the average lifetime of for this state?
*Saturday, February 8, 2014 at 4:11pm*

**forces**

Two teams of nine members each engage in a tug of war. The first team's members have average masses of 64 kg and exert average forces of 1350 N horizontally. The second team's members have average masses of 69 kg and exert average forces of 1365 N horizontally. (a) ...
*Saturday, February 8, 2014 at 2:24pm*

**Chemistry**

A titration involves titrating 0.4 M NaOH into a solution of 0.2 M H3PO4. a.) Calculate the volume of NaOH that will be required to reach the first equivalence point. b.) Calculate the volume of NaOH required to reach the second equivalence point. Other information: 10 ml ...
*Saturday, February 8, 2014 at 2:03pm*

**English literature**

Here's the poem that includes that line. "Composed Upon Westminster Bridge, September 3, 1802 by William Wordsworth Earth has not anything to show more fair: Dull would he be of soul who could pass by A sight so touching in its majesty: This City now doth, like a ...
*Saturday, February 8, 2014 at 1:15pm*

**engligh, grammar**

The first phrase ("To succeed...") is correctly placed to modify "workers." The error is probably in the series, so consider this: ... will have to ... ~~learn... ~~adapt... ~~have... The only thing I can suggest is to change that last have to a real ACTION...
*Saturday, February 8, 2014 at 11:25am*

**MITx: 6.002x Circuits and Electronics**

The step response of a circuit is its response to a step input, u(t). Knowing the step response of a linear circuit is extremely valuable as we can figure out the circuit's stability. In this problem we will analyze the circuit in Figure 1 for the output voltage, vO(t) ...
*Saturday, February 8, 2014 at 11:05am*

**physics**

2000 meters - 40 meters = 1960 meter fall vertical fall problem first 1960 = 4.9 t^2 t = 20 second fall so it has to go 200 meters horizontal in 20 seconds u = 200/20 = 10 m/s
*Saturday, February 8, 2014 at 10:26am*

**math**

Select the first five terms in the arithmetic sequence an = 8n, starting with n = 1
*Saturday, February 8, 2014 at 12:56am*

**Math**

the first line of my explanation should have said: 72 = 2x2x2x3x3 = (2^3)(3^2) Looks like I had 12 on my mind
*Friday, February 7, 2014 at 11:20pm*

**Eng1511**

Hi Please assist me on this one, if one word in the sentence have inverted comma('first'),what does that mean?
*Friday, February 7, 2014 at 10:44pm*

**math**

let time taken until they meet be t hrs distance covered by first train = 115t miles distance covered by 2nd train = 105t miles 115t+ 105t = 1200 220t = 1200 t = 5.454545.. hrs or 5hrs and .4545..*60 min = 5hrs and appr 27 minutes (let's hope the trains are on different ...
*Friday, February 7, 2014 at 10:14pm*

**Math**

889/12 = 74 with remainder 1 961/12 = 80 with remainder 1 1009/12 = 84 with remainder 1 1189/12 = 99 with remainder of 1 So 12 is it! I am not sure if you know anything about modular arithmetic, so I made up a silly little old-fashioned computer program. Here is a listing of ...
*Friday, February 7, 2014 at 9:56pm*

**help**

the first term of an original sequence is 3,6,9,12,15,... Find the first six terms in each of the following case: 2.The sum of the first two terms of the original sequence is 7
*Friday, February 7, 2014 at 9:48pm*

**English**

Ms. Sue is Right. The first one is neither is a singular indefinite pronoun. The last one. Great Job!
*Friday, February 7, 2014 at 3:36pm*

**PLAGIARISM**

Most or all of this paper has been copied word for word from a different source. http://www.alsa.org/about-als/symptoms.html Your own first sentence has two errors.
*Friday, February 7, 2014 at 1:05pm*

**Research Project: Anatomy & Physiology 1**

Could someone read this paper and tells me if this is good or do I need to change some stuff: Introduction: ALS is distinguish by insistent collapse of both upper motor neurons (UMN) and lower motor neurons (LMN) leading to progressive muscular paralysis and death usually ...
*Friday, February 7, 2014 at 10:29am*

**math**

the fourth term of an arithmetic progression is equal to 3 times the first term and the seventh term exceeds twice the third term by 1 find the first term and the common differrence
*Friday, February 7, 2014 at 8:31am*

**Math**

assuming that he reads for 25 min and rests for 5 min, he reads 9(25/15) = 15 pages every half hour 198/15 = 13 remainder 3 so, he reads for 13 half-hours = 6:30 plus an extra :05 for the last 3 pages. 8:00 + 6:35 = 2:35 pm Note that if the 5-min break occurs during the first ...
*Friday, February 7, 2014 at 5:18am*

**physics**

Water of density 1000 kg/m3 falls without splashing at a rate of 0.241 L/s from a height of 81.3 m into a 0.638 kg bucket on a scale. If the bucket is originally empty, what does the scale read 2.06 seconds after the first drop contacts the bucket? The acceleration due to ...
*Thursday, February 6, 2014 at 10:59pm*

**American History**

Ms Sue, I just took the test the following are the the correct answers. After the War of 1812, the first expansionist goal of the republic was the acquisition of A. the Oregon Country. B. California - Wrong (C. Florida Correct answer) D. Canada. Which of the following was true...
*Thursday, February 6, 2014 at 10:58pm*

**Physics**

) The energy of the first excited state of a hydrogen atom is -0.34 eV ± 0.0003 eV. What is the average lifetime of for this state?
*Thursday, February 6, 2014 at 10:46pm*

**American History**

Oh so sorry. Which of the following statements about the Southern planter's world is most accurate? A. Most of the great planters were the sons of wealthy families. (B) Most great planters of the Old South were self-made men. C. The stereotype of the "southern belle&...
*Thursday, February 6, 2014 at 10:12pm*

**American History**

If at all possible can some one please check my answers? Thank you in advance for you assistance. Which of the following statements about the Southern planter's world is most accurate? My answer: B. Most great planters of the Old South were self-made men. After the War of ...
*Thursday, February 6, 2014 at 9:55pm*

**Math**

Both dogs ate 95 bones, heres why. the first dog ate 48 and the other 49 so, 48+47=95
*Thursday, February 6, 2014 at 9:53pm*

**physics**

a 65kg person dives into the water from the 10m platform. she comes to a stop 2m below the surface of the water. what net force did the water exert on the swimmer? so for the net force i got -2548N i know: vf^2=vi^2 + 2ad vf^2 = 0 + 2(9.8)(10) vf^2 = 196 vf=14m/s therefore to ...
*Thursday, February 6, 2014 at 7:34pm*

**Physics**

A 4 liter sample of a diatomic gas with γ =1.4 confined to a cylinder, is carried through a closed cycle. The gas is initially at 1.00atm. and 300K. First, its pressure is tripled under constant volume. Then it expands adiabatically to its original pressure. Finally the ...
*Thursday, February 6, 2014 at 6:05pm*

**reading**

First, you haven't posted the name of the book. Next -- do you agree or disagree with the statement? What arguments does the author use to convince readers that rarely can a person be both professional scientist and a writer?
*Thursday, February 6, 2014 at 5:28pm*

**Check essay? thankies :)**

Rock Climbing Rock Climbing can be a tough sport, indoors or outdoors, but it can also be fun and adventurous. If you do not have the proper knowledge of clothing, equipment and techniques, then maybe rock climbing isn’t for you. Rock climbing can be joyful, but for it to...
*Thursday, February 6, 2014 at 5:24pm*

**Lag Arts. Dragonwings HELP PLZZZZ!!!**

i just posted mine today, lol!!! u take from connections? anyway, u can check out mine... the first on is wrong, its uncle bright star. u got the second one right:) this quiz is not hard BTW
*Thursday, February 6, 2014 at 4:57pm*

**Math**

These are my choices for the first one: 4^13 -4 13 1
*Thursday, February 6, 2014 at 2:56pm*

**math**

The first question is correct.
*Thursday, February 6, 2014 at 2:31pm*

**calculus**

assuming those 0's should be x's the first assertion is false. d/dx(tanx) = 1 at x=0, not everywhere. Kind of an odd problem, since the last 3 statements are all obviously true.
*Thursday, February 6, 2014 at 2:24pm*

**english proficiency for university studies**

Correct the following sentences for subject-verb agreement,tenses and fragments first one my cat it is very playful
*Thursday, February 6, 2014 at 2:14pm*

**probability science**

Consider the same model of two rolls of a tetrahedral die, with all 16 outcomes equally likely. Find the probability of the following events: a) The value in the first roll is strictly larger than the value in the second roll.
*Thursday, February 6, 2014 at 1:10pm*

**physics**

A.Use newtons first law to explain why whiplash occurs? B.why are cars fitted with head rests?
*Thursday, February 6, 2014 at 10:18am*

**Math:A.P.**

for AP: term1 = a term3 = a+2d term9 = a+8d but term7 = 19 = a+6d so a = 19-6d so re-defining: term1 = 19-6d term3 = 19-6d+2d = 19-4d term9 = 19-6d + 8d = 19+2d these 3 are supposed to be a GP, so (19-4d)/(19-6d)= (19+2d)/(19-4d) 361 - 152d + 16d^2 = 361 -76d - 12d^2 28d^2 - ...
*Thursday, February 6, 2014 at 9:56am*

**Math:A.P.**

The 1st,3rd and 9th terms of an A.P are the three terms of a G.P.if the 7th term of the A.P is 19.calculate the 20th term of the A.P and the sum of the first 12terms of the G.P(LEAVING YOUR ANSWER IN INDEX FORM)
*Thursday, February 6, 2014 at 9:26am*

**Math**

1. height of tree above her line of sight: h1/44 = tan28 h1 = 44tan28 height of tree below her line of sight: h2/44 = tan36 h2 = 44tan36 height of tree = h1 + h2 = ... (not a good idea to have her view to be below the tree line) 2. make a sketch. Label the top of the tree T, ...
*Thursday, February 6, 2014 at 8:39am*

**Percent Math Fasted Way to Solve**

Well, estimate for the first two steps, and then divide and convert. http://www.wolframalpha.com/input/?i=2%2F17
*Thursday, February 6, 2014 at 8:28am*

**Check essay? thankies :)**

Rock Climbing Rock Climbing can be a tough sport, indoors or outdoors, but it can also be fun and adventurous. If you do not have the proper knowledge of clothing, equipment and techniques, then maybe rock climbing isn’t for you. Rock climbing can be joyful, but for it to...
*Wednesday, February 5, 2014 at 11:56pm*

**math - interest rates/annuity**

Plan to save $5000 per year for retirement with first investment made 1 year from now. Plan to earn 10% per year on investments. Plan to retire in 43 years, immediately after making last $5000 investment. a) if, instead, decide to withdraw $300,000 per year in retirement, with...
*Wednesday, February 5, 2014 at 10:22pm*

**English**

You hopefully ate a Subway running the fourth Find-the-cure-relay on First Street. Does that do it?
*Wednesday, February 5, 2014 at 9:06pm*

**Check essay? thankies :)**

Rock Climbing Rock Climbing can be a tough sport, indoors or outdoors, but it can also be fun and adventurous. If you do not have the proper knowledge of clothing, equipment and techniques, then maybe rock climbing isn’t for you. Rock climbing can be joyful, but for it to...
*Wednesday, February 5, 2014 at 6:50pm*

**spanish**

When you post online, the very FIRST thing to let us know would be the instructions of what you are to do in the exercise. I "assume" you are to use the vocabulary at the very beginning IN the paragraph? From your answers, I hesitate to "guess" what you are...
*Wednesday, February 5, 2014 at 5:12pm*

**Plz, plz help! SS**

I agree with your first answer. You could also add that they harnessed water power. http://en.wikipedia.org/wiki/History_of_U.S._foreign_policy http://en.wikipedia.org/wiki/Sectionalism
*Wednesday, February 5, 2014 at 4:54pm*

**Trigonometry**

Just tried you first question again, using cos30° in my cosine law and got 22.6 which is D BUT, according to your wording of N 60° E, the angle between the two paths would be 60, and not 30 So to get your answer it should have been N 30° E
*Wednesday, February 5, 2014 at 4:32pm*

**Trigonometry**

This time I get a triangle with sides 30 and 10 and the contained angle between them is 150° , (90+60) again by the cosine law, dist^2 = 30^2 + 10^2 - 2(30)(10)cos150 = 1519.62 distance = √1519.62 = appr 38.98 nm which is choice B The next question you posted is a ...
*Wednesday, February 5, 2014 at 4:06pm*

**Social studies**

7. "In 1831 Lowell was little more than a factory village. Several corporations were started, and the cotton-mills belonging to them were building. Help was in great demand; and stories were told all over the country of the new factory town, and the high wages that were ...
*Wednesday, February 5, 2014 at 3:32pm*

**Trigonometry**

looks like a rather straight-forward case of the cosine law. distance^2 = 42^2 + 28^2 - 2(42)(28)cos60 = 1372 distance = 37.04 nm or vector of first leg = (42cos270, 42sin270)=(0, -42) vector for 2nd leg = (28cos30,28sin30) = (24.249, 14) adding them to get (24.249 , -28) ...
*Wednesday, February 5, 2014 at 3:28pm*

**Algebra**

On Jan 1, 2010, Chessville has a population of 50,000 people. Chessville then enters a period of population growth. Its population increases 7% each year. On the same day, Checkersville has a population of 70,000 people. Checkersville starts to experience a population decline...
*Wednesday, February 5, 2014 at 3:18pm*

**Language Arts ~CHECK MY WORK PLEASE~**

1. What can you predict about the poem by previewing the title, subtitle, and first line of the poem "In response to executive order 9066"? a.) It will be a letter to the Japanese-American citizens in which they are told they must leave their homes. b) It will be a ...
*Wednesday, February 5, 2014 at 3:01pm*

**Physics**

Two trains, each having a speed of s, are headed at each other on the same straight track. A bird that can fly at speed 2s flies off the front of one train when they are d apart and heads directly for the other train. On reaching the other train it flies directly back to the ...
*Wednesday, February 5, 2014 at 2:10pm*

**Writing Evaluation (Writeacher!)**

What do you think? Have I written according to the directions? What improvements do you suggest? Write 2 paragraphs describing Annie Johnson's sitation ("New Directions" by Maya Angelou.) A: Annie Johnson’s situation shows the familiar struggle that many ...
*Wednesday, February 5, 2014 at 1:49pm*

**Language arts(CHECK ANSWERS)**

please help... Which of the following signal words could identify a problem-solution text structure? A.first B.i think C.therefore(I PICK THIS)
*Wednesday, February 5, 2014 at 1:43pm*

**language arts**

please help... Which of the following signal words could identify a problem-solution text structure? A.first B.i think(I PICK THIS) C.therefore
*Wednesday, February 5, 2014 at 1:23pm*

**Algebra**

On Jan 1, 2010, Chessville has a population of 50,000 people. Chessville then enters a period of population growth. Its population increases 7% each year. On the same day, Checkersville has a population of 70,000 people. Checkersville starts to experience a population decline...
*Wednesday, February 5, 2014 at 1:22pm*

**socail studies**

7. "In 1831 Lowell was little more than a factory village. Several corporations were started, and the cotton-mills belonging to them were building. Help was in great demand; and stories were told all over the country of the new factory town, and the high wages that were ...
*Wednesday, February 5, 2014 at 12:04pm*

**Science**

I agree with the first, but not the second.
*Wednesday, February 5, 2014 at 11:32am*

**Math**

Anderson has a phone plan that charges a monthly rate of $50 for the first 1,000 minutes plus $0.25 for each additional minute. Which of the following functions models Anderson's plan for all m > 1,000, with m as the number of minutes per month and f(m) as the monthly ...
*Wednesday, February 5, 2014 at 12:58am*

**physics**

Two point charges are placed on the x axis. (Figure 1) The first charge, q1 = 8.00nC , is placed a distance 16.0m from the origin along the positive x axis; the second charge, q2 = 6.00nC , is placed a distance 9.00m from the origin along the negative x axis. Calculate the ...
*Tuesday, February 4, 2014 at 11:09pm*

**math**

three numbers are in the ratio 6:3:1, and the sum of these numbers is 420. If the first number is reduced by 50%, the second number is increased by 42, and the sum of the numbers remains the same, find the resulting ratio of the numbers.
*Tuesday, February 4, 2014 at 11:07pm*

**physics**

have homework due soon, need help thanks. Two point charges are placed on the x axis.(Figure 1) The first charge, q1 = 8.00nC , is placed a distance 16.0m from the origin along the positive x axis; the second charge, q2 = 6.00nC , is placed a distance 9.00m from the origin ...
*Tuesday, February 4, 2014 at 11:02pm*

**Math**

first notice the common factor of x x^3 - 3x^2 - 28x = x(x^2 - 3x - 28) now do the quadratic = x(x-7)(x+4) (notice (-7)(+4) = -28 and -7+4 = -3 )
*Tuesday, February 4, 2014 at 9:31pm*

**Chemistry**

First, I don't know what process you used for separating the components. One common error is this type lab procedure is not drying each and that always contributes to greater than 100% recovery. If you care to type in the procedure you used perhaps I can help with the ...
*Tuesday, February 4, 2014 at 9:14pm*

**Math**

Do I first FOIL (n - 3)^2, then put = 64?
*Tuesday, February 4, 2014 at 9:07pm*

**Finance**

I will do the first, you do the others in the same way Let me know what you get. PV = ? Amount = 5000 i = .05 n = 10 PV(1 + i)^n = Amount PV(1.05)^10 = 5000 PV = 5000/1.05^10 = 5000/1.628894627 = $3069.57
*Tuesday, February 4, 2014 at 8:50pm*

**Chemistry**

I don't know that you can except in some circumstances. First, most gases are not very soluble (some exceptions are NH3, SO2, SO3 etc) so unless it reacts with water and is quite soluble, you don't expect it to be a gas. Most liquids are not soluble in H2O unless they ...
*Tuesday, February 4, 2014 at 8:48pm*

**Algebra 2**

Jane, from your wording it is not clear if the first card drawn is returned to the deck or not. Suppose it is not returned could be F4 or 4F = (12/52)(4/40) + (4/52)(12/40) = 3/130 + 3/130 = 3/65 Your answer suggests that the card is returned after it is drawn. Then it would ...
*Tuesday, February 4, 2014 at 8:47pm*

**Science**

The first two are right. The third is wrong.
*Tuesday, February 4, 2014 at 6:47pm*

**Math**

Danny needs to buy sand for this box. He wants to nearly fill the box leaving only 6 inches empty at the top. How much sand does Danny need if the length is 12 feet the width is 2 feet and the height is 3 feet. I first found the volume which was 72 feet and since 1 ft=12 ...
*Tuesday, February 4, 2014 at 6:28pm*

**english**

The first novel ever written is thought to be one written in 11th century Japan. http://en.wikipedia.org/wiki/The_Tale_of_Genji There's only one of the three choices that pre-dates 11th century in any country!
*Tuesday, February 4, 2014 at 6:23pm*

**History!**

1. Which of the following helped to increase the populations of northeastern cities? (1 point) more diversity successful cotton crops growth of factories and trade *** building of the Erie Canal 2. A boundary was set between Canada and the United States as a result of (1 point...
*Tuesday, February 4, 2014 at 5:51pm*

**Science help.**

I answer the ones I happen to see first.
*Tuesday, February 4, 2014 at 3:49pm*

**Science help.**

Can you help me? How come you answered her question first which was post after mine?
*Tuesday, February 4, 2014 at 3:43pm*

**maths**

Given that the first term of an A.P is 7 and its 10th term is twice its second calculate a)19th term b) sum of 28 term c) different between the 9th and 6th term
*Tuesday, February 4, 2014 at 3:40pm*

**Ed. Tech.(Need answers checked)**

The first two
*Tuesday, February 4, 2014 at 1:50pm*

**english(check answers)**

which of these sentences shows correct comma usage? A.Yes i enjoy writing poetry in my spare time.(I PICK THIS) B.After,a while,i suppose,the boy became less scared of the new girl. C.By the end of the first stanza,i had guessed that the new kid was a girl.(I PICKED THIS) D....
*Tuesday, February 4, 2014 at 1:43pm*

**english(check answers)**

please check answers 7.which of these sentences shows correct comma usage? A.Yes i enjoy writing poetry in my spare time.(I PICK THIS) B.After,a while,i suppose,the boy became less scared of the new girl. C.By the end of the first stanza,i had guessed that the new kid was a ...
*Tuesday, February 4, 2014 at 1:26pm*

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