Saturday

October 25, 2014

October 25, 2014

**Recent Homework Questions About First Aid**

Post a New Question | Current Questions

**College Algebra **

Suppose a major league baseball player has hit 7 home runs in the first 16 games, and he keeps up this pace throughout the 162-game season. (a) Express the number y of home runs in terms of the number x of games played. (b) How many home runs will the player hit for the season...
*Saturday, October 25, 2014 at 8:13pm*

**Fundamental engineering principles **

A car traveling at 108 km hr-1 deceleration uniformly from 108 km hr-1 to 72 km hr-1whilst covering 200m.it continues at this reduced for 150m before slowing down uniformly to rest over a distance of 225m. Draw the velocity-time diagram and use it to determine: (A)the total ...
*Saturday, October 25, 2014 at 7:34pm*

**physics**

A ball is dropped from the top of a building. The balls fall 3 times farther during its last second of freefall than it did during its third second of freefall. The ball fell 4.9 meters during its first second, how tall is the building and how much time is the ball in the air...
*Saturday, October 25, 2014 at 6:48pm*

**math**

2. sylvia has 6 1/2 boxes of chocolate to share at a family picnic. if she gives each person 1/3 of a box, how many people can recieve chocolate? 13 17 19 21 3.which of these numbers is not rational? square root 3 0.25 1/5 square root 9 4. a student's work to solve 2 6/7 ...
*Saturday, October 25, 2014 at 4:57pm*

**math**

2. sylvia has 6 1/2 boxes of chocolate to share at a family picnic. if she gives each person 1/3 of a box, how many people can recieve chocolate? 13 17 19 21 3.which of these numbers is not rational? square root 3 0.25 1/5 square root 9 4. a student's work to solve 2 6/7 ...
*Saturday, October 25, 2014 at 4:49pm*

**Math**

f(x)=3x^2-x-2 If x=2, what is f(x)? What point is on the graph of f? For the first question, I got 8. But, I'm having trouble understanding the second question.
*Saturday, October 25, 2014 at 4:30pm*

**physics**

To determine an athlete's body fat, she is weighed first in air and then again while she's completely underwater. It is found that she weighs 690 N when weighed in air and 36.0 N when weighed underwater. What is her average density?
*Saturday, October 25, 2014 at 3:34pm*

**Criminal Justice/Report Writing**

In the sentence, “The report was mailed to the officer,” the writer is using: A. the active voice. B. the passive voice. C. chronological order. D. first person. I am confused between A & B
*Saturday, October 25, 2014 at 2:25pm*

**Math**

A tree is losing its trees. Two thirds fall off in the first week, two thirds of those remaining fall off in the second week, and two thirds off those remaining fall off in the third week. Now there are 37 leaves. How many leaves did the tree have originally?
*Saturday, October 25, 2014 at 9:06am*

**math**

A caterer prepares three times as many pizzas as she usually prepares for a large party. The caterer usually prepares 5 pizzas. The caterer also estimates that each party guest will eat 1/3 of a pizza. First write an expression that represents this situation. How many party ...
*Saturday, October 25, 2014 at 4:41am*

**theory of interest**

1.Two investments are made at the same time. The first consists of investing 1550 dollars at a nominal rate of interest of 7.9 percent convertible semiannually. The second consists of investing 1450 dollars at a nominal rate of interest of 7.9 percent convertible daily. How ...
*Saturday, October 25, 2014 at 12:55am*

**college algebra**

There were 39,000 desktop publishing jobs in the United States in 2000. It has been projected that there will be 64,000 desktop publishing jobs in 2010. (a) Using the BLS data, find the number of desktop publishing jobs as a linear function of the year. N(t)= _____? (b) Using ...
*Saturday, October 25, 2014 at 12:05am*

**History Check answers**

1. Peter the Great wanted to A. westernize, or Europeanize, Russia. B. remove European influences. C. reduce the size of the army. D. share power with his nobles. 2. The Romanov dynasty in Russia was A. originally from Holland. B. focused on restoring Catholicism. C. chosen by...
*Friday, October 24, 2014 at 11:01pm*

**college algebra**

There were 39,000 desktop publishing jobs in the United States in 2000. It has been projected that there will be 64,000 desktop publishing jobs in 2010. (a) Using the BLS data, find the number of desktop publishing jobs as a linear function of the year. N(t) = ________ (b) ...
*Friday, October 24, 2014 at 8:25pm*

**s.s**

As a result of the First Continental Congress, a. the Declaration of Rights was drafted. b. King George agreed to comply with the majority of the colonists’ demands. c. colonists agreed to comply with the majority of British rules. Is it A
*Friday, October 24, 2014 at 4:49pm*

**Math Calc**

Let theta be an angle in the first quadrant, and suppose sin theta equals a. Evaluate sin(180 degrees + theta) in terms of a sin(180 degrees + theta) =
*Friday, October 24, 2014 at 2:15pm*

**algebra**

On the second part of her trip, Tamiko drove 21 miles less than two times as far as the first part. Let f represent the number of miles driven on the first part of her trip.Then write an algebraic expression that represents the number of miles driven on the other part. (what i...
*Friday, October 24, 2014 at 2:05pm*

**english 1**

What is one way that “The Maori: Genealogies and Origins in New Zealand” contrasts with “The Raven and the First Men: The Beginnings of the Haida”?
*Friday, October 24, 2014 at 11:49am*

**maths**

the sum of the first two terms of a GP is 28,but the sum of the third and fourth terms is 252.find the second term of the gp if the seventh term is 5103. please help.
*Friday, October 24, 2014 at 10:49am*

**STATISTICS HELP!!!!!**

Bender Electronics buys keyboards for its computers from another company. The keyboards are received in shipments of 175 boxes, each box containing 30 keyboards. The quality control department at Bender Electronics first randomly selects one box from each shipment and then ...
*Friday, October 24, 2014 at 6:34am*

**Statistics**

Bender Electronics buys keyboards for its computers from another company. The keyboards are received in shipments of 75 boxes, each box containing 30 keyboards. The quality control department at Bender Electronics first randomly selects one box from each shipment and then ...
*Friday, October 24, 2014 at 5:40am*

**English**

@ words : 1- curtail 2- devastate 3- digress 4- incentive 5- incorporate 6- indispensable 7- intermittent 8- rigor 9- squander 10-succumb Linda never had to work hard to make good grades in high school. But in college, where the ___(8)___ of course work were greater, she soon ...
*Thursday, October 23, 2014 at 11:31pm*

**Statics**

You have a stainless steel hollow rod (E=193GPa,ν=0.29) that has an inner radius r of 1.2cm, a wall thickness t of 0.7mm, and a length L of 5cm. Calculate the critical loads, in kN, for local buckling and Euler bucking (Pcr,local and Pcr,Euler, respectively). Which would ...
*Thursday, October 23, 2014 at 10:05pm*

**Psychics**

If a railroad car was moving and stroke another car at rest and the two cars then become attached by a special hitch. Does the first car have momentum? Why?
*Thursday, October 23, 2014 at 9:09pm*

**physics**

Consider a railroad carmoving and striking another car at rest. The two cars then become attached by a special hitch. Does the first car have momentum? and why?
*Thursday, October 23, 2014 at 8:34pm*

**phyics**

_________ was the first to show that all objects fall toward Earth with constant ____________.
*Thursday, October 23, 2014 at 4:36pm*

**statistics**

3. Community Health Center, a new patient clinic in your town serving only underinsured and uninsured patients, has asked you to help its HIM department. Calculate the number of shelving units needed for a medical record filing system based on eight shelves per unit at 36 ...
*Thursday, October 23, 2014 at 9:26am*

**English**

1. The last number of concert was impressive. 2. The last number of the concert was impressive. (Which one is correct? Do we have to use 'concert' or 'the concert'?) 3. Everyone was deeply impressed by the last number on the program. 4. Everyone was deeply ...
*Thursday, October 23, 2014 at 7:39am*

**science**

suppose some natural disaster occurs and a species of finch is forced to relocate from its original island where us dined on cactus flowers ti ab adjacent island with many fewer cacti but an overabundance of orchids. what would be the immediate consequences to the species in ...
*Wednesday, October 22, 2014 at 9:54pm*

**Physics**

A stone is thrown horizontally at 30.0m/s {\rm m}/{\rm s} from the top of a very tall cliff. Calculate its horizontal position and vertical position at 2 s {\rm s} intervals for the first 10.0s {\rm s} a)Calculate the horizontal x and vertical y positions at time t = 2 s
*Wednesday, October 22, 2014 at 9:45pm*

**math**

Item Questions A store’s average monthly revenue for the first three months of the year was $12,000. The average monthly revenue for the entire year was $18,000. What was the average monthly revenue for the last nine months?
*Wednesday, October 22, 2014 at 8:16pm*

**Algebra 2**

Darren McFadden of Arkansas placed second overall in the Heisman Trophy voting. Players are given 3 points for every first-place vote, 2 point for every second-place vote, and 1 point for every third place vote. McFadden received 490 total votes for first, second, and third ...
*Wednesday, October 22, 2014 at 6:22pm*

**science**

1. radioactive decay occurs when atoms A- lose mass * B- join with atoms of another element C- break down to form atoms of another element D- are exposed to chemical weathering 2. if you want to consult the geologic time scale for when the first vertebrates evolved, where ...
*Wednesday, October 22, 2014 at 6:03pm*

**science**

1. radioactive decay occurs when atoms A- lose mass * B- join with atoms of another element C- break down to form atoms of another element D- are exposed to chemical weathering 2. if you want to consult the geologic time scale for when the first vertebrates evolved, where ...
*Wednesday, October 22, 2014 at 2:34pm*

**Algebra**

Tom bowled 135 and 145 in his two first games. Write and Solve a compound inequality to find the possible values for a third game that would give him an average between 120 and 130, inclusive.
*Wednesday, October 22, 2014 at 10:35am*

**algebra**

the second side of a triangle is 6 inches longer than the first side. the third side is 2 inches shorter than the double the first side. the total perimeter of the triangle is 24 inches. find the lengths of all three sides of the triangle
*Wednesday, October 22, 2014 at 10:30am*

**Physics**

Suppose that a woman driving a Mercedes zooms out of a darkened tunnel at 33.9 m/s. She is momentarily blinded by the sunshine. When she recovers, she sees that she is fast overtaking a bus ahead in her lane moving at the slower speed of 12.0 m/s. She hits the brakes as fast ...
*Tuesday, October 21, 2014 at 8:09pm*

**Physics**

A ball with mass m = 0.210 kg and kinetic energy K1 = 2.97 J collides elastically with a second ball of the same mass that is initially at rest. After the collision, the first ball moves away at an angle of = 30.6° with respect to the hori- zontal, as shown in the figure. ...
*Tuesday, October 21, 2014 at 7:42pm*

**Physics**

A ball with mass m = 0.210 kg and kinetic energy K1 = 2.97 J collides elastically with a second ball of the same mass that is initially at rest. After the collision, the first ball moves away at an angle of = 30.6° with respect to the hori- zontal, as shown in the figure. ...
*Tuesday, October 21, 2014 at 7:39pm*

**Precalculus **

Hey so I need help on a problem from an assignment that my teacher won't help at all. -WRITE IN COMPLETE SENTENCES- "An oil strikes a sand bar that rips a hole in the hull of the ship. Oil begins leaking out of a tanker with spilled oil forming an approximate circle ...
*Tuesday, October 21, 2014 at 7:22pm*

**Physics**

A mass of 2.63 kg is attached to a string tied to a hook in the ceiling. The length of the string, L, is 0.8 m, and the mass is released from rest at an initial position in which the string makes an angle θ of 40.4o with the vertical. Calculate the work (in J) done by ...
*Tuesday, October 21, 2014 at 6:31pm*

**maths**

The sum of the 3rd and 7th term of an A.P is 38 and the 9th term is 37..Find the first term and common difference
*Tuesday, October 21, 2014 at 3:04pm*

**Algebra**

I don't understand how to find the equation to solve this. A family drove two cars to a reunion. The first car traveled at 50 mph. The second car left 1 hour later and traveled at 65 mph. How long will it take for the second car to catch up to the first car?
*Tuesday, October 21, 2014 at 1:14pm*

**Physics**

I am really confused on the steps to solve this problem. This is my first time taking physics. The much needed help, would be strongly appreciated. a) Calculate the centripetal force exerted on a vehicle of mass m = 1630 kg that is moving at a speed of 13.9 m/s around a curve ...
*Tuesday, October 21, 2014 at 1:07pm*

**World History (Ms. Sue)**

How did the French system of colonial rule differ from that of Great Britain? A: The French system of colonial rule differed from that of Great Britain in many ways. In Great Britain, the system was basically a fraud because British administrators made all major decisions. The...
*Tuesday, October 21, 2014 at 11:49am*

**English**

She couldn't concentrate on her study because it was too noisy. She asked Kathy not to make noise. --------------------------- What does 'it' refer to in the first sentence?
*Tuesday, October 21, 2014 at 1:59am*

**art**

what should the artist do first in order to draw this two point perspective image
*Monday, October 20, 2014 at 10:17pm*

**Math**

A skier has decided that on each trip down a slope, she will do 2 more jumps than before. On her first trip she did 6 jumps. Derive the sigma notation that shows how many total jumps she attempts from her fourth trip down the hill through her twelfth trip. Then solve for how ...
*Monday, October 20, 2014 at 10:15pm*

**English-Annotation Please Help **

In the recent years, the media has shared with the public two very different stories involving children who committed acts of violence. Both minors were charged with murder and sent to adult state prison to serve their prison sentences. Some people may believe these teens ...
*Monday, October 20, 2014 at 10:13pm*

**algebra 2**

A skier has decided that on each trip down a slope, she will do 2 more jumps than before. On her first trip she did 6 jumps. Derive the sigma notation that shows how many total jumps she attempts from her fourth trip down the hill through her twelfth trip. Then solve for how ...
*Monday, October 20, 2014 at 10:06pm*

**Algebra**

Help? The school john goes to is selling tickets to the annual dance competition . On the first day of sales the school sold 2 senior citizen tickets and 13 student tickets for a total of $108. The school took in$144 on the second day selling 4 senior tickets and 14 student ...
*Monday, October 20, 2014 at 8:38pm*

**social studies**

In which battle did the Americans win their first victory over the British? A. Lexington B. Boston C. Charleston D. Concord Is the answer D?
*Monday, October 20, 2014 at 8:14pm*

**math**

A hotel has rooms numbered 1 to 1000. One thousand visitors enter the hotel. 1. The first visitor switches on the light switches of every room. 2. The second visitor switches off the light switches of every other room, starting with room 2. 3. The third visitor toggles the ...
*Monday, October 20, 2014 at 6:21pm*

**World History (Ms. Sue)**

"Behind the purdah in India, in the harems of Mohammedanism, behind veils and barred doors and closed sedan chairs, there has been rebellion in the hearts of women all down the centuries....We spoke with many women all over the East who had never heard of a 'women'...
*Monday, October 20, 2014 at 4:03pm*

**Math**

17) Consider the function f(x)=3x3−3x2+4x+2 Find the average slope of this function on the interval (−3,5). By the Mean Value Theorem, we know there exists a c in the open interval (−3,5) such that f′(c) is equal to this mean slope. Find the two values ...
*Monday, October 20, 2014 at 11:01am*

**science**

1. radioactive decay occurs when atoms A- lose mass B- join with atoms of another element C- break down to form atoms of another element D- are exposed to chemical weathering 2. if you want to consult the geologic time scale for when the first vertebrates evolved, where would ...
*Monday, October 20, 2014 at 9:59am*

**Math**

If the first dice yields an even number, what is the probability that the sum of the two dices will be equal to 12? 1st Die P(even) = 3/6 = 0.50 P(6|even) = 1/3 = 0.333 2nd Die P(6) = 1/6 = .1667 So P(12) = 0.33*0.1667 ?
*Monday, October 20, 2014 at 9:51am*

**maths **

the first term of arithmetic progression is -8 .and the ratio of the 7th and the 9th term is 5 :8 .find the common difference.
*Monday, October 20, 2014 at 6:29am*

**Biology**

If at noon today someone has 1 E. coli cell, in their gut/large intestine, and E. Coli does binary fission, in unison each thirty minutes, how many will one have in their gut at 11:55 A.M. tomorrow? (five minutes short of a whole day) I'm confused on how to begin setting ...
*Monday, October 20, 2014 at 1:42am*

**English**

Let's do the crossword puzzle. 1 Across starts with 'n'? What is it? It is nobody. Good job. Complete the crossword puzzle in 3 minutes. -------------------------- Would you check the passage? Can we substitute 'play' for 'do' in the first sentence...
*Sunday, October 19, 2014 at 8:59pm*

**Physics**

A ball with mass m = 0.210 kg and kinetic energy K1 = 2.97 J collides elastically with a second ball of the same mass that is initially at rest. After the collision, the first ball moves away at an angle of = 30.6° with respect to the hori- zontal, as shown in the figure. ...
*Sunday, October 19, 2014 at 8:56pm*

**Physics**

A ball with mass m = 0.210 kg and kinetic energy K1 = 2.97 J collides elastically with a second ball of the same mass that is initially at rest. After the collision, the first ball moves away at an angle of = 30.6° with respect to the hori- zontal, as shown in the figure. ...
*Sunday, October 19, 2014 at 8:44pm*

**Math**

Find the first 3 common multiples for 6,7,8.
*Sunday, October 19, 2014 at 8:41pm*

**US History **

This is a letter from George Washington to Patrick Henry: September 24, 1787 I dont understand what his purpose and point of view is. Please help me!!! Dear Sir: In the first moment after my return I take the liberty of sending you a copy of the Constitution which the Foederal...
*Sunday, October 19, 2014 at 7:17pm*

**Math**

If the first dice yields an even number, what is the probability that the sum of the two dices will be equal to 12? 1st Die P(even) = 3/6 = 0.50 P(6|even) = 1/3 = 0.333 2nd Die P(6) = 1/6 = .1667 So P(12) = 0.33*0.1667 ?
*Sunday, October 19, 2014 at 6:26pm*

**Health**

My apologies if I make a mistake. I'm new to this, and my Health teacher has asked me to interview a smoker (a person that smokes cigarettes, not marijuana) The oldest you could be is 20... thank you in advance. 1. What is your first name? 2. How old are you? 3. What is ...
*Sunday, October 19, 2014 at 6:11pm*

**Probability**

If the first dice yields an even number, what is the probability that the sum of the two dices will be equal to 12? 1st Die P(even) = 3/6 = 0.50 P(6|even) = 1/3 = 0.333 2nd Die P(6) = 1/6 = .1667 So P(12) = 0.5*0.33*0.1667 ?
*Sunday, October 19, 2014 at 3:41pm*

**college algebra**

A bus was purchased for $80,000. Assuming the bus depreciates at a rate of $6,000 per year (straight-line depreciation) for the first 10 years, write the value v of the bus as a function of the time t (measured in years) for 0 ¡Ü t ¡Ü 10. v(t)= _____
*Sunday, October 19, 2014 at 2:02pm*

**science**

1. radioactive decay occurs when atoms A- lose mass B- join with atoms of another element C- break down to form atoms of another element D- are exposed to chemical weathering 2. if you want to consult the geologic time scale for when the first vertebrates evolved, where would ...
*Sunday, October 19, 2014 at 1:23pm*

**Criminal Justice/Report Writing**

After a criminal investigator arrives on the scene of a crime, his or her first priority is: A. arresting the guilty party. B. life safety and assisting victims in need of aid. C. collecting evidence and taking photographs. D. interviewing witnesses. I am torn between answers ...
*Sunday, October 19, 2014 at 12:17pm*

**algebra**

A bus was purchased for $80,000. Assuming the bus depreciates at a rate of $6,000 per year (straight-line depreciation) for the first 10 years, write the value v of the bus as a function of the time t (measured in years) for 0 ¡Ü t ¡Ü 10.
*Sunday, October 19, 2014 at 11:59am*

**algebra**

A bus was purchased for $80,000. Assuming the bus depreciates at a rate of $6,000 per year (straight-line depreciation) for the first 10 years, write the value v of the bus as a function of the time t (measured in years) for 0 ¡Ü t ¡Ü 10
*Sunday, October 19, 2014 at 9:45am*

**Business Math**

Jeanna wants to buy a new boat for her family. She has two payment options. The first option is to pay a cash payment of $7,200. The second option is to finance the boat with a three year installment loan. The loan requires a 10% down payment and 36 equal monthly payments of $...
*Sunday, October 19, 2014 at 4:43am*

**algebra**

A bus was purchased for $80,000. Assuming the bus depreciates at a rate of $6,000 per year (straight-line depreciation) for the first 10 years, write the value v of the bus as a function of the time t (measured in years) for 0 ¡Ü t ¡Ü 10. v(t)= ____
*Saturday, October 18, 2014 at 9:45pm*

**algebra**

A boat was purchased for $45,000. Assuming the boat depreciates at a rate of $4700 per year (straight-line depreciation) for the first 8 years, write the value v of the boat as a function of the time t (measured in years) for 0 ¡Ü t ¡Ü 8. v(t) = ____, 0 &...
*Saturday, October 18, 2014 at 9:26pm*

**English**

Scherer, K. R., Clark-Polner, E., & Mortillaro, M. (This is the primary source) Elfenbein and Ambady (is a secondary source and the date of this secondary source 2002) I am citing a secondary source (Elfenbein and Ambady) into my paper. The primary source is Scherer, K. R., ...
*Saturday, October 18, 2014 at 7:53pm*

**math**

it is a 3 digit number all the digits are different the first and second digits are multiple of 3 the first digit is greater than the second digit. the sum of the first two digits is 7 more that the third digit the number is not a multiple of 5 the third digit is greater than 3
*Saturday, October 18, 2014 at 6:57pm*

**English**

I need help annotating please help me In the recent years, the media has shared with the public two very different stories involving children who committed acts of violence. Both minors were charged with murder and sent to adult state prison to serve their prison sentences. ...
*Saturday, October 18, 2014 at 4:44pm*

**Physics**

Please help!! I know how to work the problem to find velocities, but this one has me stumped! A 2.0kg block slides along a frictionless surface at 1.0m/s . A second block, sliding at a faster 4.4m/s , collides with the first from behind and sticks to it. The final velocity of ...
*Saturday, October 18, 2014 at 10:09am*

**engr**

the spacecraft is first put into a circular orbit around Mars. The period of the orbit is 110 minutes. Calculate the altitude of the orbit in km.
*Saturday, October 18, 2014 at 1:03am*

**biology**

Part A. Making Visual Connections with the Textbook (5 points) You can answer these in a Word document, indicating the question number followed by your answer. Below is the Absorption Spectrum of Photosynthesis. As your textbook explains, plants have a number of light-...
*Friday, October 17, 2014 at 11:11pm*

**Math**

1. Find the sum of the first five terms of the sequence 2/3, 2, 6, 18, ..... My answer is 242. Am I right? 2. Which of these two sequences form a geometric sequence: 2x, 4x-2, 6x-4, ..... OR x+1, 2x+2, 5x+1, .....? Find the value/s of x and what is the sequenced formed? I ...
*Friday, October 17, 2014 at 6:48pm*

**Calc**

Describe e y = 6(g(x) - 9) as the result of first applying a stretch or compression and then applying a shift to g. First a ____________, by a factor of 6 __________ and then a ____________ by ________ units
*Friday, October 17, 2014 at 1:42pm*

**Calculus..**

Two particles are moving in straight lines. The displacement (meters) of particle 1 is given by the function s(t)= cos(4x), where t is in seconds. The displacement (meters) of particle 2 is given by the function s(t)= t^3/3-t^2/2 +2(t) , where t is in seconds. Find the first ...
*Thursday, October 16, 2014 at 11:28pm*

**Science**

Two football players collide head-on in midair while chasing a pass. The first player has a 100 kg mass and an initial velocity of 4.00 m/s in the positive x direction, while the second player has a 130 kg mass and initial velocity of 3.30 m/s in the negative x direction. What...
*Thursday, October 16, 2014 at 11:12pm*

**physics**

I solved the first question and got the right answer, but I just can't seem to get the correct answer for the second part. (a) An AM radio transmitter broadcasts 52.0 kW of power uniformly in all directions. Assuming all of the radio waves that strike the ground are ...
*Thursday, October 16, 2014 at 9:47pm*

**Algebra**

Solve for x in each of the following: A: 2/3 = x/18 B: 3/x = 3x/x^2 I think I have the first one. I am clueless on the second one! HELP!
*Thursday, October 16, 2014 at 8:42pm*

**Algebra**

A car leaves Denver at 30 km/h traveling south. Two hours later, another car leaves Denver traveling south at 40 km/ h. How many hours had the first car been traveling when the second car catches up?
*Thursday, October 16, 2014 at 6:06pm*

**Algebra**

A stagecoach left Drygulch traveling east at 3 km per hour. Two hours later, another stagecoach left Drygulch traveling in the same direction at 40km per hour, How many hours had the first one been traveling when the second one caught up?
*Thursday, October 16, 2014 at 5:06pm*

**Algebra**

A train left mooseport traveling west at 50 mph. One hour later, another train left mooseport traveling east at 70 mph. How many hours had the first train been traveling when they were 350 miles apart.
*Thursday, October 16, 2014 at 5:02pm*

**General Math I**

Hi Ms. Sue this is Shayna here. I am writing you this time, because I am very confused in a question of a test I just took this was the question Susan wants to buy a paddle boat for $840. She will pay 20% down and pay the rest in six monthly installments. What will be the ...
*Thursday, October 16, 2014 at 4:21pm*

**Chemistry**

A student determines the iron (II) content of a solution by first precipitating it as iron (II) hydroxide, and then decomposing the hydroxide to iron (II) oxide by heating. How many grams of iron (II) oxide should the student obtain if her solution contains 46.0 mL of 0.426 M ...
*Thursday, October 16, 2014 at 11:54am*

**Math**

1. Find the sum of the first five terms of the sequence 2/3, 2, 6, 18, ..... 2. Is this a geometric sequence? 2x, (4x-2), (6x-4), ..... 3. Show the equivalent values of the decimal 0.7575757575..... in fraction form. 4. What is the sum of the geometric sequence 4/3, 2/3, 1/3, ...
*Thursday, October 16, 2014 at 5:25am*

**normal distribution **

in new york city the average response time for calls to the first depatrment is a bout 5 minutes with a standarrd deviation of 1.5 minuties suppose response follow a normal distribuation. 1-what is the probability that a response time exceeds 9 minutes/ 2-compute the top 10 th...
*Thursday, October 16, 2014 at 4:29am*

**statistics**

in new york city the average response time for calls to the first depatrment is a bout 5 minutes with a standarrd deviation of 1.5 minuties suppose response follow a normal distribuation. 1-what is the probability that a response time exceeds 9 minutes/ 2-compute the top 10 th...
*Thursday, October 16, 2014 at 4:27am*

**Physics**

Two steam locomotives are approaching each other, each at 30 mi/hr, heading for a sure head-on collision. A rhinoceros beetle, who flies with a constant speed of 40 mi/hr, leaves the front of the first locomotive when the engines are just 2.000 miles apart, and flies to the ...
*Wednesday, October 15, 2014 at 11:16pm*

**Analytical Chem**

The following electrochemical cell can be used to calculate the formation constant Kf for a metal and EDTA. The cell has a voltage of -0.262V. The right half cell contains a metal (M^2+) with a standard reduction potential of -0.236V. Calculate the Kf for the metal EDTA ...
*Wednesday, October 15, 2014 at 11:15pm*

**physics**

A block of mass m = 4.20 kg slides along a horizontal table with speed v0 = 9.50 m/s. At x = 0 it hits a spring with spring constant k = 62.00 N/m and it also begins to experience a friction force. The coefficient of friction is given by μ = 0.150. How far has the spring ...
*Wednesday, October 15, 2014 at 10:56pm*

**Math 112**

On your first two exams, your grades are 86% and 88% x=86 and y=88 What must you get on the third exam to have an average of 90%?
*Wednesday, October 15, 2014 at 8:31pm*

**Physics Help Please!!!!**

During a launch of the shuttle, fuel is being burned at a rate of 2000 kg every second. the exhaust from the burning of this fuel is expelled by the engines and can be seen during the launch. readings from instruments mounted on the space shuttle show that for the first 2 min ...
*Wednesday, October 15, 2014 at 8:23pm*

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