Saturday

December 20, 2014

December 20, 2014

**Recent Homework Questions About First Aid**

Post a New Question | Current Questions

**social studies**

Which of the following is Not a reason why Americans won the war, despite having many disadvantages compared to Britain? A. the Americans had the advantage of fighting in their own land. B. aid from France and Spain was important to american success. C. the British depended to...
*Thursday, October 30, 2014 at 10:03am*

**math**

Find the first arithmetic mean between 100 and 135 given the following sequence: ..., 100, ___, ___, ___, ___, 135, ... A. 107 B. 114 C. 121 D. 128
*Wednesday, October 29, 2014 at 10:30pm*

**Science - Please Check My Written Answer**

Please help me with the following: Briefly explain why experiments having faulty design or inconsistent data are problems for scientists. List several reasons. There are several reasons that experiments with faulty designs or with inconsistent data are problematic for ...
*Wednesday, October 29, 2014 at 5:00pm*

**geometric progretion**

the 6 term of a G.p is 2000 find its first term if its ratio is 10
*Wednesday, October 29, 2014 at 4:25pm*

**science**

the 6 term of a G.P is 2000 its common ratio is 10 find the first term?
*Wednesday, October 29, 2014 at 4:18pm*

**Science**

When evolution was first proposed, which of the following was used as evidence to support the idea? 1.observations of nature 2.laboratory experiments 3.extensive fossil collections 4.genetic sequences I think its either 1 or 4
*Wednesday, October 29, 2014 at 3:04pm*

**World History Answer Check (Ms. Sue)**

1. Why were there rebellions in China after General Yuan Shigai become president? A: There were rebellions in China after General Yuan Shigai became president because Yuan's dictorial ways and efforts led to conflict with Su Yat-sen's Nationalist Party. 2. What effects...
*Wednesday, October 29, 2014 at 12:31pm*

**Math**

Is the following statement always, sometimes, or never true for numbers greater than zero: "In equivalent ratios, if the numerator of the first ratio is greater than the denominator of the first ratio, then the numerator of the second ratio is greater than the denominator...
*Tuesday, October 28, 2014 at 10:14pm*

**Writing- grade 4**

Write a personal narrative about something happened to you when you were young. I when I was young and didn't walk on my feet. I was in my bed , I stood up and I put my hand on the edge of the bed so that it doesn't fall,but dropped it,and my dad took me from the ...
*Tuesday, October 28, 2014 at 7:18pm*

**physics**

What is the velocity of a baseball thrown 40m from third base to first base in 1.9s? Show your work, and simplify please.
*Tuesday, October 28, 2014 at 6:04pm*

**math**

Jenny is remodeling her bathroom floor. She is going to use tile that is 3/4 foot long. If her bathroom is 7 1/3 feet long, how many tiles will she need to first cover the length of the bathroom?
*Tuesday, October 28, 2014 at 6:01pm*

**S.S.**

1. Which of the following is true of the Hay-Bunau-Varilla Treaty? A. It granted the United States a canal zone in the Isthmus of Panama. B. It laid out the terms for the purchase of Panama from Colombia. C. It was intended to restore friendly relations between the United ...
*Tuesday, October 28, 2014 at 4:21pm*

**History**

4. South Carolina responded to the Intolerable Acts by __________. (1 point) holding small “tea parties” in Charles Town and Georgetown sending representatives to the First Continental Congress drafting a state constitution and setting up a new government boycotting ...
*Tuesday, October 28, 2014 at 3:39pm*

**Physics**

Two thin slits with separation of .0250mm are placed over monochromatic orange laser light at 610.nm. What is the small angle measurement from the central maximum (zero degrees, inline with the source) to the first maximum? I thought in order to solve this is would be sin^-1(y...
*Tuesday, October 28, 2014 at 2:00pm*

**Physics Light Diffraction **

A single monochromatic indigo light source is shined through an etched, flat prism with a slit separation of .0250mm. the resulting interference pattern is viewed on a screen 1.25 m away. the third Maximum is found to be 6.6 cm from the central maximum. What is the wavelength ...
*Tuesday, October 28, 2014 at 1:48pm*

**Math: Statistics**

1. A regression analysis includes the effect of Age, which is categorised into five levels. How many dummy variables should be defined for including it in the analysis? 2. A regression analysis includes Sex as an explanatory variable. How many dummy variables are required to ...
*Tuesday, October 28, 2014 at 1:22pm*

**Finance **

Your company is considering diversifying its investment in financial securities into both stocks and bonds. You are asked to evaluate the following alternatives and make your recommendations as to the securities that your company should select. Bonds: There are several bonds ...
*Monday, October 27, 2014 at 9:32pm*

**English**

On following sentence the first clause is a dependent clause. The second clause is an independent clause which can stand by itself. Before President Roosevelt died, President Truman did not know that the United States was developing atomic weapons. I say No Noun Clause. My ...
*Monday, October 27, 2014 at 8:44pm*

**Physics**

The atomic mass of a nitrogen atom (N) is 14.0 u, while that of an oxygen atom (O) is 16.0 u. Three diatomic gases have the same temperature: nitrogen (N2), oxygen (O2), and nitric oxide (NO). Rank these gases in ascending order (smallest first), according to the values of ...
*Monday, October 27, 2014 at 7:45pm*

**S.S. To Ms.Sue**

7. What new concept became popular with department stores? A. Electricity B. Advertisements C. Using Credit D. Browsing 15. In the first major pioneering movement, settlers made their way to Oregon and California by way of the _______ Trail. A. Kearny B. Overland C. California...
*Monday, October 27, 2014 at 7:43pm*

**Physics**

Two thin slits with separation of .0250mm are placed over monochromatic orange laser light at 610.nm. What is the small angle measurement from the central maximum (zero degrees, inline with the source) to the first maximum?
*Monday, October 27, 2014 at 7:26pm*

**Physics-Light**

light diffraction help? a single monochromatic indigo light source is shined through an etched, flat prism with a slit separation of .0250mm. the resulting interference pattern is viewed on a screen 1.25 m away. the third Maximum is found to be 6.6 cm from the central maximum...
*Monday, October 27, 2014 at 7:11pm*

**Physics**

A car, moving along a straight stretch of highway, begins to accelerate at 0.0235 m/s 2 It takes the car 67.8 s to cover 1 km.How fast was the car going when it first began to accelerate?
*Monday, October 27, 2014 at 6:41pm*

**math**

A florist had an equal number of red and yellow tulips. She sold 624 red tulips. Then she had 4 times as many yellow tulips as red tulips. How many tulips did she have at first. 624 X 5 ----- 3120
*Monday, October 27, 2014 at 3:43pm*

**college algebra**

Using a phone card to make a long distance call costs a flat fee of $0.80 plus $0.33 per minute starting with the first minute. Write a function for the cost of a long distance call C(x) in terms of x minutes for this situation.
*Monday, October 27, 2014 at 2:16pm*

**Corporate Finance**

Your company is considering diversifying its investment in financial securities into both stocks and bonds. You are asked to evaluate the following alternatives and make your recommendations as to the securities that your company should select. Bonds: There are several bonds ...
*Monday, October 27, 2014 at 10:49am*

**Fractions**

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 sold 1/4 of what was left and 3/4 ...
*Sunday, October 26, 2014 at 11:24pm*

**Fractions**

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 sold 1/4 of what was left and 3/4 ...
*Sunday, October 26, 2014 at 11:02pm*

**Mathematica**

I am trying to write a matrix where n=100, and the matrix's first and last number is 2 and all the number in the middle are 1.
*Sunday, October 26, 2014 at 10:47pm*

**Fractions Math**

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 sold 1/4 of what was left and 3/4 ...
*Sunday, October 26, 2014 at 10:46pm*

**Math**

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 sold 1/4 of what was left and 3/4 ...
*Sunday, October 26, 2014 at 9:56pm*

**General Chemistry**

We mix 112 grams of oxygen gas with 118 grams of argon gas in a volume of 1752 mL at 74 degrees celsius. What will be the final pressure of the gas mixture? First, I converted the grams into moles. 112g O2 * (1mol O2/ 32g O2) = 3.5 moles O2 118g Ar * (1mol Ar/ 40g Ar) = 2.95 ...
*Sunday, October 26, 2014 at 4:45pm*

**calculus**

a. find an equation for the secant line through the points where x has the given values. b. find a equation for the line tangent to the curve when x has the first value. y=9square root(x); x=16, x=25
*Sunday, October 26, 2014 at 4:34pm*

**Algebra 1**

Andrew is making a plan to complete a class math assignment. He has 48 problems to complete over 5 days. He decides to complete the assignment is such a way that his total number of completed problems doubles every day. He realizes that that number must be 48 by the end of ...
*Sunday, October 26, 2014 at 1:07pm*

**english**

how can i describe a plane crash using imagery in first person point of view ?
*Sunday, October 26, 2014 at 12:35pm*

**Math**

The data shows the total number of employee medical leave days taken for on-the-job accidents in the first six months of the year: 16, 7, 23, 9, 25, 16. Find the standard deviation.
*Saturday, October 25, 2014 at 9:42pm*

**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*

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