Posts by Ed
Total # Posts: 357

Math.
I got a 2/5 
math
thanks florida girl 
math
80 boys used 60 loaves in 12 days. 120 boys needs loaves for 18 days. How many loaves will be needed? 
math
A mass on the end of a spring which is hanging vertically is raised up and let go. It then oscillates between 2m and 1.5m above the floor and completes 32 cycles in one minute. The height, h metres, of the mass above the floor after t seconds can be modelled by the function h... 
word problem
suppose a car rental charges 94 dollars for the first day and 44 dollars for each additional or partial day.let S(x) represent the cost of renting a car for x days .find the value of S(5.5) 
Can some one check my finance answers please
Which of the following best states the difference between seed capital and startup capital? Seed capital is for research and planning while startup capital is for operating expenses. Seed capital is provided by venture capitalists while startup capital is provided by banks. ... 
Finance_Can someone check my answerssss
Check them please 
Finance
Which of the following best states the difference between seed capital and startup capital? Seed capital is for research and planning while startup capital is for operating expenses. Seed capital is provided by venture capitalists while startup capital is provided by banks. ... 
Physic
Work is done when. 
AP Calculus BC
Blah 
Math
Thank you! 
Math
yes, $450 
Math
Jason is a salesperson in the electronics department store. He is 38% short of his goal for the week. His goal is to earn %450. For each CD player he sells, he earns $57. How many CD players does he need to sell in order to meet his goal? 
physics
A truck driver slams on the brakes and the momentum of the truck changes from ‹ 53000, 0, 0 › kg · m/s to ‹ 27000, 0, 0 › kg · m/s in 3.3 seconds due to a constant force of the road on the wheels of car. As a vector, write the net force ... 
math study guide
Dragonn, you are not correct> 
math
a dog starts chasing a cat when they are 12 meters. for every 7 meters that the dog runs, the cat runs 4 meters. how far does the dog have to run to catch up with the cat? 
Economics
increase the money supply and encourage economic growth. 
Science
Is these answers for science in connexus? 
economics
What would be the present value of an item that has a salvage value of $25,000 at the end of four years? Assume a discount rate of 3.8% for an endofyear factor. Carry calculations to four decimal places. $25,950 $24,085 $20,747 $21,535 
statistics
A researcher is testing the effect of a new cold and flu medication on mental alertness. A sample of n=9 college students is obtained and each student is given the normal dose of the medicine. Thirty minutes later, each students performance is measured on a video game that ... 
College Math
In a group of 200 high school students, 36 are taking biology, 52 are taking Spanish, and 126 are taking neither biology nor Spanish. If one of these 200 students is to be chosen at random, what is the probability that the student chosen is taking biology but not Spanish? 
S.S redo
thx 
Global studies
cdb 100% 
Global Studies (Please help)
thx 100% 
SCIENCE HELP ASAP! :)
5.c 
S.S
thanks 100%% 
science help plzzz
100% queen waffles 
science help plzzz
thank qw 
science help plzzz
100% bdcca stop lying bla bla 
PreAlgebra
You have $60 in your wallet and want to buy some new CDs. If the CDs are $11 each, what number of CDs, x, can you buy? Write and solve an inequality. Then explain your answer. 
Math ~CHECK MY WORK~
oh ok...... wow thnx 
basic electronics
What would happen if the two pith balls shown in Figure A1 were held together for a few moments, then released? A. The charge would leak off and the pith balls would hang straight down. B. The pith balls would each receive a negative charge and they would move apart. C. The ... 
Science
thank you 100% 
programming
#include <iostream.h> #include <conio.h> void main() { clrscr(); int x = 10; int y = 2; int sum, difference, product, quotient; sum = x + y; difference = x  y; product = x * y; quotient = x / y; cout << "The sum of " << x << " & &... 
math
Kristy read 40 pages of a book on Saturday. She read Test Image as many pages on Sunday. Which numerical expression could be used to calculate the number of pages Kristy read on Sunday? 
physics
The maximum gauge pressure in a hydraulic lift is 18 atm. What is the largest size vehicle (kg) it can lift if the diameter of the output line is 22 cm? 
Physics
6.37 
12th grade chemistry
Draw a representation of the resulting equilibrium mixture when ammonia is added to water. The equilibrium constant,K, is a small number for this reaction so represent that in your drawing. 
Microtomy
I need to infiltrate a sample block of wood for sectioning on a microtome. The formula for the infiltrating media is 70% Ethylene Glycol 1500 and 30% Lauric acid. Both components are in a powder form. The instructions don't indicate whether this is supposed to be a weight/... 
math
a musical triangle has a perimeter of 180 mm. the side of middle length is 2 times as long as the shortest side. the longest side is 3 times as long as the middle side. how long is each side 
math
I am not all those people 
math
I am supposed to find the area of a segment of a circle. The circle is cut with two radi with an angle of 90 degrees. Then where the radi touch the circle another line is drawn to connect them. The triangle and the small section between the triangle and the edge of the circle ... 
social studies
t 
7th Grade Social Studies
tancu 
Social Studies
thanks 100% 
Social Studies
thanks ccds 
Physics
A car with engine trouble slides 85 meters up along a 14 degree ramp before coming to a stop. If the coefficient of friction between the tires and the road is 0.9, what was the velocity of the car at the bottom of the ramp? I'm not looking for a solution which includes ... 
Physics101
1. 20.0 
Physical Science
Predict how each of the following changes will affect the following reaction involving gaseous reactants and products: 2NO2 = N2O4 + heat a. the temperature is increased. b. the pressure is increase. c. N2O4 is removed from the equilibrium mixtur. d. NO2 is added to the ... 
Physical Science
Predict the shift of equilibrium for each of the following conditions in the following reaction involving gaseous reactants and products: N2 + 3H2 = 2NH3 + heat A. the pressure is increased. b. the temperature is decreased. 
Physical Science
Predict the shift of equilibrium for each of the following conditions in the following reaction involving gaseous reactants and products: N2 + 3H2 = 2NH3 + heat 
math
a frame with a 19"permitter and 2"wide what is the length of this frame and what is the area. 
math
a frame with a 19"permitter and 2"wide what is the length of this frame and what is the area. 
programming
#include <iostream.h> #include <conio.h> void main() { clrscr(); int x = 10; int y = 2; int sum, difference, product, quotient; sum = x + y; difference = x  y; product = x * y; quotient = x / y; cout << "The sum of " << x << " & &... 
business law
A agrees to buy such fruits and vegetables as it "might desire" from B. Does this promise to buy obligate B in anyway? 
Physics
Ted Williams hits a baseball with an initial velocity of 120 miles per hour (176 ft/s) at an angle of θ = 35 degrees to the horizontal. The ball is struck 3 feet above home plate. You watch as the ball goes over the outfield wall 420 feet away and lands in the bleachers... 
math
A random group of seniors was selected from a university and asked about their plans for the following year. The school advising office claims that 60% of the students plan to work, 30% of the students plan to continue in school, and 10% of the students plan to take some time ... 
math
A righttailed test is used when . 
math
Are the following statements and valid null and alternative hypotheses? ( 
Math/statistics
Are the following statements and valid null and alternative hypotheses? ( 
math
If two dice are rolled one time, find the probability of getting a sum less than 5. 
math
Construct a frequency polygon distribution using the class limits shown below. 80, 99, 77, 67, 93, 70, 76, 86, 79, 71 
physics
Initially, a particle is moving at 5.30 m/s at an angle of 35.0° above the horizontal (+x axis). Two seconds later, its velocity is 5.97 m/s at an angle of 50.0° below the horizontal. What was the particle's average acceleration during this time interval? ________m... 
direct an inverse variation
Since the number of books checked out varies directly with the number of book reports assigned we have the following relationship: Let B be the number of books checked out and R be the number of reports due. Then because R and B vary directly there is a constant K so that B = ... 
statistics
The following is the tabulated data of the monthly commissions of the sales employees at La Verne Inc. Establish the frequency distribution. Present the data in a histogram format, draw the frequency polygon and the ogive (or cumulative polygon) 
statistics
The following is the tabulated data of the monthly commissions of the sales employees at La Verne Inc. Establish the frequency distribution. Present the data in a histogram format, draw the frequency polygon and the ogive (or cumulative polygon) 
math
16 
math
15 ft 
math
how fast are 13 inch trailer tires going when my truck is going 55mph with 15" tires 
chemistry
the volume of a gas was originally 2.5 L; it's pressurewas 104kpa and its temperatire was 270K. the volume of the gas expanded to 5.3 L and its pressure decreased to 95 kpa. What is the temperature of the gas? 
physics
80 
statistics
from generation to generation, the average age when smokers first start to smoke caties. however, the standatd deviation of that age remains constant of around 2.1 years. a survey of 40 smokers of this generation was done to see if the average starting age is at least 19. the ... 
Physics
A certain pchannel JFET has a VGS(off) = +6V. What is ID when VGS = +8V? 
question
anyone who knows that the school of journalism in Indiana university is a good one? how about the major public relation in the school? 
math
35 people indeed> 
Physics
A 3.50 kg mass, m, on a frictionless table is moving in a circle with radius 0.420 m at a constant speed. m is attached to a 6.40 kg mass, M, by a cord through a hole in the table. Find the speed with which m must move for M to stay at rest. 
Physics
A 3.50 kg mass, m, on a frictionless table is moving in a circle with radius 0.420 m at a constant speed. m is attached to a 6.40 kg mass, M, by a cord through a hole in the table. Find the speed with which m must move for M to stay at rest. 
math
2 airplanes start at the same time from airports 500 km apart. Each flies with an airspeed of 200 km/hr toward the other airport. One reaches its airport half an hour before the other plane reaches the other airport. How fast is the wind blowing? 
Chemistry
I have the same question in my homework. Anybody know how to do this? 
physics
A football kicker lines up to kick a game winning kick. The goalpost is 30m away and the ball must clear the 3.3m high crossbar. If the kick leaves his foot at an angle of 35 degrees, how fast must the kick be to clear the bar? 
physics
At a circus, a human cannonball is shot from a cannon at 15m/s at an angle of 40 degrees from horizontal. She leaves the cannon 1m off the ground and lands on the way down in a net 2m off the ground. Determine her horizontal displacement. 
Calculus
Two forces of equal magnitude act to 60 degrees. If their resultant has a magnitude of 30N, find the magnitude of the equal forces. 
Statistics
A box contains four balls labeled 1,2,3,4 respectively. Two balls will be sequentially selected from the box at random without replacement. Let Y1 be the maximum of two outcomes and Y2 be the minimum of two outcomes observed. Find the joint probability function of Y1 and Y2. 
physical science
A stone is dropped from rest at the top of a tall building. Determine the distance the ball has traveled after ½ second, one second, 3/2 seconds, and 2 seconds. How fast is the ball moving at the end of the 2 seconds? 
physics
A room has the dimensions 3.0 m by 4.0 m by 4.0 m . The air in the room is 79% N2( MW= 28) and 21% O2 (MW = 32). At a temperature of 20 degrees Celsius and pressure of 115 kPa , what is the mass of the air in the room in kilograms? 
physics
Starting at rest at the edge of a swimming pool, a 72.0kg athlete swims along the surface of the water and reaches a speed of 1.15 m/s by doing the work Wnc1 = +170 J. Find the nonconservative work, Wnc2 done by the water on the athlete. 
Chemistry
Electrons in the outermost principal shell of an atom that are involved in chemical bonding are referred to as: 
Math
Find the integral of (3x2)4^x dx 
Calc
definite integral from 0 to 1 of 5xln(x+1)dx 
Physics
A Silver bowl has a mass of 1.78kg. It is shaped like a cylinder and has a diameter of 35.0 cm and a height of 8.00cm. It is placed in water. Find (a)the volume of water it displaces, (b) The buoyant force exerted on it by the water, and(c)how deeply it sinks into the water. 
collefge
At what volume of added acid is the ph calculated 
physics
The earth orbits the sun once every 365.24 days. The distance between the earth and sun is 1.49x 10^8 Km. The mass of the earth is 5.96 x 10 ^24 kg. A) Find the magnitude in newtons of the centripetal force acting on the earth. The mass of mars is 6.56 x 10 ^23 Kg and the ... 
PHYSICS
a 50 kg person running to the east at 8.5 m/s jumps into a 100 kg initially at rest. A)find the velocity of the wagon and person together as they move away.B) If they coast 30 m before coming to a stop, find the average force of the friction that slows them down. 
algebra
Suppose a retiree wants to buy an ordinary annuity that pays her $2,000 per month for 20 years. If the annuity earns interest at 3.5% interest compounded monthly, what is the present value of this annuity? 
Calc
ex: Find the indicated derivative using implicit differentiation. e^x/y^2= 8 + e^y; dy/dx Please I need help and thank you very much! 
Calculus
She found the derivative of the equation, and then simply plugged in a one for the (x) after it was in its derivative form. 
physics
A person jumps off a diving board 4.3 above the water's surface into a deep pool. The person's downward motion stops 2.1 below the surface of the water. 
Math
Find c, so that f(x) is everywhere continuous? f(x)= {x+c, x <_2 2x^2 5, x > 2 
Chemistry
115? 
Physics
Acceleration due to gravity is 9.81 m/s/s. What is the weight (in Newtons) of a 97.96 kg mass?