Sunday
December 4, 2016

Homework Help: Health: First Aid

Recent Homework Questions About First Aid

Physics
The Atwood Machine consists of two masses suspended form a fixed pulley. If the first mass is 0.55kg and 0.8kg, (a) what is the acceleration of the system? (b) What is the magnitude of the tension in the string? (consider the pulley to be frictionless and the masses of the ...
Wednesday, April 20, 2016 by Raphael Grenfell

Calculus
Let 𝑆 be the region (in the first quadrant) bounded by a circle 𝑥^2 + 𝑦^2 = 2, 𝑦^2 = 𝑥 and the 𝑥-axis (ii) Find the volume of the solid generated by rotating the region 𝑆 about the 𝑦-axis (c) Find the surface area...
Wednesday, April 20, 2016 by Desperate Student

Math
A high school has 438 students with about the same number of males and females. Describe a simulation to predict how many of the first 50 students who leave school at the end of the day are female.
Tuesday, April 19, 2016 by Emily

physics
A 0.280 kg croquet ball makes an elastic head-on collision with a second ball initially at rest. The second ball moves off with half the original speed of the first ball. (a) What is the mass of the second ball? (b) What fraction of the original kinetic energy (ΔKE/KE) ...
Tuesday, April 19, 2016 by GG

math
Mike was bored so he played with some colored blocks arranging them in a role he put 1 block in the first row 2 blocks in the second roll, 4 blocks and the third row and 8 blocks in the fourth row. If this pattern continues, how many blocks will Mike put in the 17th roll?
Tuesday, April 19, 2016 by mike

math
Glenn raced his motorcycle 30 times last season. He finished first 12 times, second 5 times, and crashed in 9 races. What percent of the races did he finish second ? Set up as a proportion and solve
Tuesday, April 19, 2016 by jacob

Social Studies
1. In the civil War, for the first time, thousands of Women served as____. A. Soldiers B. spies*** C. generals D. nurses 2. "Peace Democrats" became known as______. A. war hawks*** B. rebels C. copperheads D. radicals 3. What guarantee gives accused individuals the ...
Tuesday, April 19, 2016 by bunny64

Further maths
The first term of an AP is equal to thrice the common difference. What is the sixth term of the AP,if the common difference is 8
Tuesday, April 19, 2016 by Emmanuel

science
1. Under which of the following conditions would a fossil most likely form? A. A living thing dies and sediment is very slowly deposited on top of its body. B. A living thing dies and sediment quickly covers its body. C. A living thing dies and its skeleton is left exposed to ...
Tuesday, April 19, 2016 by Help please

Math
Mona takes out a $12,000 student loan to help pay for her first 2 years of college, then 2 years later needs another loan for $14,000 to get her through to graduation. She graduates 4 years and 9 months after acquiring the first loan, and payments are deferred until 6 months ...
Tuesday, April 19, 2016 by Anonymous

U.S. History (Check)(REED)
1. What day was the attack on Pearl Harbor? A: The attack on Pearl Harbor took place on December 7, 1941. 2. Why was the attack so devastating for America? A: The Pearl Harbor attack was so devastating for America because most of the U.S. Navy was destroyed and 2,403 Americans...
Tuesday, April 19, 2016 by Victoria

Algebra
The second side is 10 more than the third side and the first side is 6 less than the third side. What are the sides of the triangle if the perimeter is 64yd?
Monday, April 18, 2016 by Olivia

HISTORY HELP plsssssssss
Use this map to answer the following question: This image shows a map of South America. The western coast is shaded blue. There are four numbers marking different areas on the coast. The first number marks an area at the very top of the shaded area. The number 4 marks the area...
Monday, April 18, 2016 by Oscar

Physics
one charge of +10 uC is placed at the origin, a second charge of +5uC is placed at (2cm, 4cm) and a third charge (-15 uC) is placed at (4cm, 1 cm). What is the magnitude and direction of the electric force exerted on the first charge by the other two? I drew out the triangle, ...
Monday, April 18, 2016 by Alec

Math
1. A bag contains 9 tiles numbered 1 to 9. P(4) = (1 point) experimental; the result is found by repeating an experiment. experimental; the result is based on the number of possible outcomes. theoretical; the result is found by repeating an experiment. theoretical; the result ...
Monday, April 18, 2016 by Me

American History
Joseph Stalin was motivated to sign a nonaggression pact with Hitler. A,the Soviets’ need for economic and military aid B.Stalin’s desire to gain control of Eastern Europe c.Stalin’s sense that he needed to preempt a Nazi invasion. D.The need for an ally given ...
Sunday, April 17, 2016 by Angie

Physics
Brett stats from rest on his skateboard and accelerates at 0.5 m/s2 [N] for 12s, and then maintains his velocity for 15s before falling off his board. He slides along on his back until he comes to rest, accelerating at -2.4 m/s2. a) Calculate the highest instantaneous velocity...
Sunday, April 17, 2016 by Nancy

Algebra
The first side is triple the second side and the third side is five times the second side. What are the sides of the triangle if the perimeter is 72ft?
Sunday, April 17, 2016 by Olivia

Scince
Which metel particles are the first to react the heat
Sunday, April 17, 2016 by Salma

Physics
A string is 2.4 m long, and the speed of sound along this string is 450 m/s. Calculate the frequency of the wave that would produce a first harmonic. Assume the string has nodes at both ends. What I've Tried Ln=2.4m v= 450 m/s f=? n=2 Ln=(4-1)/4 * Wavelength Wavelength = 2...
Sunday, April 17, 2016 by AlphaPlus

english first additional language
why tradional healers must not be allowed in hospitals and clinics ?
Sunday, April 17, 2016 by lungile

Calculus (Im I Doing This Right???? Im Unsure)
From first principles (ie using the tangent slope method), find the slope of the following curves at the given value of x. f(x)=2x^2−6x at x = 3 f(x)=2x^2-6x f(x+h)= 2(x+h)^2-6(x+h) =2x^2+4xh+2h^2-6x-6h lim h-->0 f(x+h)-f(x)/h =2x^2+4xh+2h^2-6x-6h - (2x^2-6x) =4xh+2h^...
Saturday, April 16, 2016 by Marc

Further math
If the sum of the first n terms of the series 4 + 7 + 10 + ... is 209, find n.
Saturday, April 16, 2016 by Ayomide

Calculus (Im I Doing This Right???? Im Unsure)
From first principles (ie using the tangent slope method), find the slope of the following curves at the given value of x. f(x)=2x^2−6x at x = 3 f(x)=2x^2-6x f(x+h)= 2(x+h)^2-6(x+h) =2x^2+4xh+2h^2-6x-6h lim h-->0 f(x+h)-f(x)/h =2x^2+4xh+2h^2-6x-6h - (2x^2-6x) =4xh+2h^...
Friday, April 15, 2016 by Marc

US HISTORY
Which of the following best describes the Cherokee's main argument in the Cherokee Nation v. Georgia case? The Cherokee testified that U.S. officials had unfairly tricked them into giving up their land. The Cherokee argued that because they lived in the territory first, ...
Friday, April 15, 2016 by abby

history
What was the main result of the invention of the Clermont in 1807? This steamboat built by Robert Fulton helped speed up industrialization and increase interest in canal and river transport. This passenger train built by Henry Ford provided immigrants an easier way to move ...
Friday, April 15, 2016 by abby

Psychology
What kind of disorder does this person. I think he have schriozophenia. Mr. Jameson is a white 42-years old man who has never been married and is currently unemployed. He was brought to the emergency room by the police for striking an elderly woman in his apartment building. ...
Friday, April 15, 2016 by Moe

Algebra
During the first part of a​ trip, a canoeist travels 28 miles at a certain speed. The canoeist travels 9 miles on the second part of the trip at a speed 5 mph slower. The total time for the trip is 3 hrs. What was the speed on each part of the​ trip?
Friday, April 15, 2016 by Mai

Math
Write the first trigonometric function in terms of the second for θ in the given quadrant. tan(θ), cos(θ); θ in Quadrant IV I believe to start this is 1/cos^2*theta. Am I write? If not, can you please help me?!
Thursday, April 14, 2016 by Jennifer

Calculus
From first principles (ie using the tangent slope method), find the slope of the following curves at the given value of x. f(x)=2x^2− 6x at x = 3
Thursday, April 14, 2016 by Marc

Math
The drama club is trying to raise $1428. On the first day they sell 12 tickets. They sell 4 more each day. Each ticket costs $3.50. Than how long is it going to take them to get to their goal?
Thursday, April 14, 2016 by Areej

maths
A car completes a trip in 20 minutes. for the first half of the trip the speed of the car was 100km/h and the speed for the second half of the trip was 90km/h. How far did the car travel (in km) if the distance for the first part is the same as the second part
Thursday, April 14, 2016 by lala

Stats - Help!!!
A nutritionist wants to conduct a study to validate the efficacy of an herb as an aid in weight loss. She randomly assigns half of a group of overweight persons to a treatment group who are given the herb with instructions for its use and a planned diet for six weeks. The ...
Thursday, April 14, 2016 by Angela

Stats - Help!!!
A student wanted to know the favorite lunch at a large high school with a closed campus. What is the first step in conducting a statistical study to answer the question? A. Select a random sample of students. B. State the goal of the study precisely. C. Select a random sample ...
Thursday, April 14, 2016 by Angela

U.S. History (REED)(Check, Please!!!)
Write a paragraph on the similarities and differences of isolationism and internationalism. Then write another paragraph explaining the different reasons why the United States did not want to get involved with the problems of Europe (practice neutrality). Also, include what ...
Thursday, April 14, 2016 by Victoria

physics
1- Describe an imaginary process that satisfies the first law but violates the second law of thermodynamics. 2-Describe an imaginary process that satisfies the second law but violates the first law of thermodynamics.
Thursday, April 14, 2016 by Ehab

Math
A person went shopping and spent 5/8 of his money in the first store and then spent 1/5 of the remainder in the second store. If he spent $60 in the second store, how much did he have at the start and how much did he have left? I got a 240 but I am confused as to what it means...
Thursday, April 14, 2016 by jigsaw

chemistry
given 0.0450 M ca(no3)2 and 0.0350 M fe(no3)2. when i seperate them, which compound should be used? Na2co3(aq), Hcl(aq), or naoh(aq)? . and which will precipitate first? I went with hcl, and for question two, fe^2+
Thursday, April 14, 2016 by anonymous1

Dosage calculations - Bob, please help
Weight - 20 pounds 6 ounces Ordered dose - 1.5mg per kilogram per day recommended dosage from drug label - 3mg every 8 hours. 1.What is the individual dose? to find the individual dose i'll first convert pounds to kg which is 9.26 kg. I will then multiply 1.5 x 9.26 = 13....
Wednesday, April 13, 2016 by John

Stats
A nutritionist wants to conduct a study to validate the efficacy of an herb as an aid in weight loss. She randomly assigns half of a group of overweight persons to a treatment group who are given the herb with instructions for its use and a planned diet for six weeks. The ...
Wednesday, April 13, 2016 by Angela

algebra
A car dealer recently had a promotion which they gave an 8% discount to the first 50 people through the door. If you are one of those people and the car you are interested in cost $25,300.00, find the discount amount and the new price of the car.
Wednesday, April 13, 2016 by Duran

global history
The barbarians have broken through the ramparts. The Saracen [Moors} invasions have spread in successive waves over the South. The Hungarians swarm over the Eastern provinces...they sacked town and village, and laid waste the fields. They burned down the churches and then ...
Wednesday, April 13, 2016 by Castermans.m

Statistics
A nutritionist wants to conduct a study to validate the efficacy of an herb as an aid in weight loss. She randomly assigns half of a group of overweight persons to a treatment group who are given the herb with instructions for its use and a planned diet for six weeks. The ...
Wednesday, April 13, 2016 by Angela

English
1. Englishmen expected to have a ___ in their government. 2. The __ was the first legislature in the Jamestown colony. 3. The Massachusetts colonist legislature was the ____. 4. In Pennsylvania, England gave _____ to William Penn. 5. Even though the governor and large council ...
Wednesday, April 13, 2016 by Steve

utah state history
fill in the blank 1.The (blank) settlers were the first ones to develop agricultural practices that were adapted to the arid west. 2.The invention of the (blank) made it possible for farmers to farm much bigger plots of land. 3.The practice of (blank) made it possible for ...
Wednesday, April 13, 2016 by isabella

MATH
Your friend asks you to help cut grass this summer and will pay you 2 pennies for the first job. You agree to help if he doubles your payment for each job completed. After 2 lawns, you will receive 4 pennies, and after 3 lawns, you will receive 8 pennies.
Wednesday, April 13, 2016 by RAWAA

Math plz help!!!!
Which of the following types of information is not suited for display on a double bar graph? populations of boys and girls at three different schools number of records versus compact discs sold each week during a one ­month period at The Music Den the weekly interest rate ...
Wednesday, April 13, 2016 by Queen/Halle

Pre Algebra, Check my answers?
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 ...
Wednesday, April 13, 2016 by Louie

Math
A recipe ask for 2/3cup of water and they want to triple the recipe. How do I show the work. What is the first step to get the answer.
Wednesday, April 13, 2016 by Jim

Algebra
Justine earned $26,000 during the first year of her job at city hall. After each year she received a 3% raise. Find her total earnings during the first five years on the job.
Wednesday, April 13, 2016 by Angel

Probability
mary shots free throws 70% on average. She is fouled shooting a three point shot and therefore gets 3 free throws. What is the probability she: *makes first misses seconds and third shots *Makes at least 1 shot *Makes at least 1 shot, given misses first * misses first, given ...
Wednesday, April 13, 2016 by Shylea

Math
mary shots free throws 70% on average. She is fouled shooting a three point shot and therefore gets 3 free throws. What is the probability she: *makes first misses seconds and third shots *Makes at least 1 shot
Wednesday, April 13, 2016 by Shylea

math
the first, second, and third terms in the geometric progression are k,k-6, 2k-28 respectively. given that all terms of the geometric progression are positive, calculate the value of constant k.
Wednesday, April 13, 2016 by jack

Physics
A 5kg box is pulled for a distance of 12m with a force of 20N along frictionless surface. The force is applied at an angle that is 15 deg. above the horizontal. a.) how much work was done by the applied force? b) how fast will the box be moving at the end of the 12m if it ...
Tuesday, April 12, 2016 by Anne

Math
What angle in the first quadrant could you reference to help you find sine and cosine of each of the following angles ? 330 120 113 203
Tuesday, April 12, 2016 by Aria

Math/geometry
Two angles are complementary.the second angle has 6 more than three times the measure of degrees as the first one. Find the measure of each angle using an equation. Define your variables. I didn't get what the two variables should be... And how I'd write the equation ...
Tuesday, April 12, 2016 by Sonja R

Maths Please help
A library opens with a collection of 300 books. During the first week after the opening, an additional ten books are donated to the library’s collection. In each subsequent week, six more books are donated to the library’s collection than were donated in the previous...
Tuesday, April 12, 2016 by Sahna

Maths Ms sue
A library opens with a collection of 300 books. During the first week after the opening, an additional ten books are donated to the library’s collection. In each subsequent week, six more books are donated to the library’s collection than were donated in the previous...
Tuesday, April 12, 2016 by Jay

Pre Algebra
1. Which of the following is an example of a dependent event? (1 point) flipping two coins rolling a number cube and spinning a spinner choosing two scoops of ice cream choosing a cookie at random, eating it, and then choosing another at random 2. Which of the following is an ...
Tuesday, April 12, 2016 by Summer

Chemistry
When titrating 50.0 mL of 0.10 M H2SO4 with 0.10 M NaOH, how many mL of NaOH will you have added to reach the 1st equivalence point? I am confused... What H2A problem? Chemistry-Dr.Bob222 - DrBob222, Tuesday, April 12, 2016 at 1:49am Refer to the H2A problem above BUT you only...
Tuesday, April 12, 2016 by Nevaeh

U.S. History (Check)(Reed)
Write a paragraph on the similarities and differences of isolationism and internationalism. A: Isolationism and internationalism are distinctly different from each other. Isolationism is the policy of avoiding involvement in world affairs, whereas internationalism is the ...
Tuesday, April 12, 2016 by Victoria

Math
2.)Geoff planted dahlias in his garden. Dahlias have bulbs that divide and reproduce underground. In the first year, Geoff’s garden produced 4 bulbs. In the second year, it produced 8 bulbs, and in the third year, it produced 16 bulbs. If this pattern continues, how many ...
Tuesday, April 12, 2016 by #FreeGucci

Algebra
One crew can frame a single story house in 7 days, while a second crew can do it in 5 days. how long will it take to frame a single house if the second crew arrived 2 days after the first. Im having problems setting it up with the 2 days after the first
Tuesday, April 12, 2016 by Leonard

Math
Is the LCD of x/2x-4 and 5x/12x-24 not 24(x-2)? The original question is x/2x-4 + 5x/12x-24 and I factored the denominators first so that I could find the LCD. And I got: x/2(x-2) + 5x/12(x-2) After that, I multiplied up to the LCD and got: x/2(x-2) + 5x/12(x-2) = x/2(x-2)*(12...
Tuesday, April 12, 2016 by Emily J

help!!
An investment banker received a bonus and invested that money in two investments. He put a certain sum of money in the first investment that returned 7% interest after one year. In the second investment he invested four times that of the first investment and got a 13% interest...
Monday, April 11, 2016 by Anonymous

Word problem middle school
Kirk loves furbies. He has 68 curviest, each of which cost 50 percent more than the last, owing to scarcity. If his first furby cost $4, how much did his first 3 cost all together?
Monday, April 11, 2016 by Laniqua

Geography
What supranational organization is India a part of? I had ASEAN at first, but then I realized they aren't a part of it
Monday, April 11, 2016 by Anonymous

maths help!??
A man run a distance of 9km/hr for a distance of 4km.And 2km/hr for the rest of the distance.The whole run takes him 1hour.his average speed for the first distance in 4km is?
Monday, April 11, 2016 by philip!!!

Physics
You’re riding your bicycle first west a distance of 7.7 km, then south a distance of 14.1 km. (a) In what direction does your average velocity vector point, in degrees south of west? (b) If the total trip took 18.3 minutes, what is the magnitude of this average velocity, ...
Monday, April 11, 2016 by Bira

Physics
A ball is tossed upward and returns to its original position after 19.7 seconds. If another ball is thrown at an angle of 41.4 degrees above the horizontal, at what speed, in m/s, must it be thrown such that it returns to the same height at the same time as the first ball?
Monday, April 11, 2016 by Bira

Math
A web-site asks users to create a 5-symbol PIN code where first and second symbols are any letters from the English alphabet and next 3 symbols are any digits. How many different PIN codes can be created?
Sunday, April 10, 2016 by I need help

math
in 2000, the population of a town was 8914. the population expected to grow at a rate of %1.36 each year. in what year will the population first exceed 15000? my answer:2007
Sunday, April 10, 2016 by Anonymous

science
a car with two passengers travelling at 15m/s collides with a tree. one of the passengers who is not wearing a seat belt strikes the windshield head first and comes to rest in 0.03 s. the area of contact between the head and the windshield is approximately 5 X 10 to the power ...
Sunday, April 10, 2016 by Christoper

maths
The 12th term of exceeds the 3rd term by 36 of an a.p If it's 16th term is 64 find first term and common difference
Sunday, April 10, 2016 by hetal

Math
A railway engine starts shunting wagons by first going 1000 m North of railway station. It reverses and travels 1250 m South and then it again moves 600 m north. Finally moving 800 m South it comes to rest. How far is the engine from the station and in which direction?
Saturday, April 9, 2016 by Kuntal Roy

Math
I have 3 nickels, 1 quarter, and 1 penny in my pocket. If I pick out a coin from my pocket, do not replace it, then pick out a second coin from my pocket, what is the probability that the second coin that I pick out of my pocket is a nickel? So far I have come up with this: P(...
Saturday, April 9, 2016 by John

Statistics
Calculate the number of new shelving units needed for a medical record filing system based on eight shelves per unit at 36 inches per shelf. The average record size equals 0.30 inches, and the center anticipates seeing 4,500 patients the first year.
Saturday, April 9, 2016 by Linda

Mathematics
Solve: 9-5[8-3]*2+6 first 9- 5[5]*2+6 second 9-1*2+6 third 9- 2+6 fourth 7+6 fifth 13
Saturday, April 9, 2016 by noemi

math
One car went 10 miles farther when traveling at 50 mph than a second car that traveled 2 hours longer at a speed of 40 mph. How long did the first car travel?
Saturday, April 9, 2016 by Anonymous

Statistics
A web-site asks users to create a 5-symbol PIN code where first and second symbols are any letters from the English alphabet and next 3 symbols are any digits. How many different PIN codes can be created?
Saturday, April 9, 2016 by HELP Plz!

Pysics
A(n) 12600 lb railroad car traveling at 7.4 ft/s couples with a stationary car of 6490 lb. The acceleration of gravity is 32 ft/s2. What is their velocity after the collision?Answer in units of ft/s. What impulse did the first car receive?Answer in units of lb s.
Saturday, April 9, 2016 by PLS HELP!!

Math
When did you first start a saving plan? What is the purpose of the saving plan? How will having a saving plan benefit someone?
Saturday, April 9, 2016 by Sara

English Language and Composition
1. Which of the following writers were never published in a periodical? a. Mark Twain b. Jonathan Swift c. Henry David Thoreau d. George Orwell e. None of the above 2. Which of the following qualities must a piece of writing have to be considered an essay? a. it must present ...
Saturday, April 9, 2016 by 1234White5678

English Language and Composition
1. The first writing which can be described as "essayistic" appeared in: a. the writing of Ralph Waldo Emerson b. The writing of Mark Twain c. Eighteenth-century newspapers d. Ancient Greece and Rome e. None of the Above 2. Michel de Montaigne was the first person to...
Saturday, April 9, 2016 by 1234White5678

Science
A fossil for an extinct organism is found in layer B. A fossil for another extinct organism, very similar to the first, is found in layer C. What might be the relationship between these two organisms. Im so confused, can someone help.
Saturday, April 9, 2016 by Amie

Geography
Around ten to twelve thousand years ago, human began to domesticate plants and animals for food. Before this first agricultural revolution, people relied on hunting and gathering to obtain food supplies. While there are still groups of hunters and gatherers in the world, most ...
Saturday, April 9, 2016 by Anonymous

math
One car went 10 miles farther when traveling at 50 mph than a second car that traveled 2 hours longer at a speed of 40 mph. How long did the first car travel?
Saturday, April 9, 2016 by Anonymous

History
5.)Which of the following statements is most correct when comparing the Second Great Awakening with the First? A)The Second Great Awakening was smaller in size but more influential than the First Great Awakening. B)The Second Great Awakening was both larger and more ...
Friday, April 8, 2016 by Broward

Algebra
Two workers, if they were working together, could finish a certain job in 12 days. If one of the workers does the first half of the job and then the other one does the second half, the job will take them 25 days. How long would it take each worker to do the entire job by himself?
Friday, April 8, 2016 by Hansel

Consumer math Help please
You (or your parents) purchase a new car for $16,725.00 plus 6.15% sales tax. The down payment is $1,400.00 and you (or your parents) have an average credit rating. How much interest is accrued after the first month? Average Credit score APR (%)- Secured =5.85% Unsecured= 6.20%
Friday, April 8, 2016 by Brianna

Physics
You allow yourself 34 min to drive 26 mi to the airport, but you're caught in heavy traffic and average only 15 mi/h for the first 13 min . What must your average speed be on the rest of the trip if you're to make your flight?
Friday, April 8, 2016 by Megan

Physics
A(n) 12600 lb railroad car traveling at 7.4 ft/s couples with a stationary car of 6490 lb. The acceleration of gravity is 32 ft/s2. What is their velocity after the collision?Answer in units of ft/s. What impulse did the first car receive?Answer in units of lb s.
Thursday, April 7, 2016 by Anonymous

phy
A block of mass m = 3.45 kg slides along a horizontal table with speed v0 = 2.00 m/s. At x = 0 it hits a spring with spring constant k = 80.00 N/m and it also begins to experience a friction force. The coefficient of friction is given by ¦Ì = 0.250. How far has ...
Thursday, April 7, 2016 by xianhua

Physics
Two golf carts are driving towards each other. The first has a mass of 390 kg and is driving east at 20 m/s. The second has a mass of 500 kg and is driving west at 8 m/s. When the two collide their bumpers lock and are stuck together, what is the final speed of the connected ...
Thursday, April 7, 2016 by Kevin

maths
what is the four digit number which satisfies these conditions; The last digit is twice the first digit. The second digit is twice the third digit. The sum of the first and last digits is twice the third digit.
Thursday, April 7, 2016 by somay

science
a 600 g pool ball moving at 2.0m/s hits a second pool of the same mass at rest. the first ball moves off at 1.5m/s at an angle of 30 degrees from the original direction. assume the surface of the pool table to b frictionless find the angle at which the second ball moves off ...
Thursday, April 7, 2016 by hope

English
1. First, we should raise the price of cigarettes. (What is the opposite of 'raise'? Is it 'lower?)
Thursday, April 7, 2016 by rfvv

Math
Her has $1500 in a retirement account earning 5% interest compounded annually. Each year after the first, she makes and additional deposits of $1500. After 5 years , what was her account balance if she did not make any withdrawals?
Wednesday, April 6, 2016 by Lauren

math
what is the value of -3/4-(3/-8) (the 3/4 fraction only has the - on the 3, not the entire fraction) a -1 1/8 B -3/8 C3/8 D 1 1/8 What I did is first find a common denominator making the equation -6/8-(3/-8)= -9/16 this is not one of the choices Can you please help. Thank you
Wednesday, April 6, 2016 by sara

math
a small mountain near tectonic plate line andes has been growing consistently in height each year. the first measured height was recorded i 1997. 1997; 997.7300 2000;997.7606 2005;997.7810 determine the regression equation for the data
Wednesday, April 6, 2016 by sumit

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