Wednesday

August 20, 2014

August 20, 2014

Total # Posts: 827

**Chemistry**

ÄSvap > 0 Give a molecular interpretation for
*October 25, 2012*

**math**

how to explain 0.26 and 0.260 are same
*October 23, 2012*

**Algebra**

Marie is 13years older than Joann. The sum of their ages is 55. How old is Joann?
*October 14, 2012*

**Science**

I can't find this answer in my book but can someone tell me if its right please? When you remove electrons from a metal cup, the cup becomes: negatively charged - positively charged or ionized? I think it is negatively charged. Thanks
*October 9, 2012*

**Algebra 2**

x+8<4 help me solve this please.
*October 5, 2012*

**college algebra**

x+8<4 help me self this please,
*October 5, 2012*

**Physics**

Two forces act concurrently on point P. One force is 85 N in a direction 35 degrees north of east. The second 95 N force acting at an angle of 227 degrees, what is the magnitude and direction of the resultant ?
*September 23, 2012*

**Science**

Can someone tell me if this is correct: How many forces act on an upwardly tossed coin when it gets to the top of its path? A. one the force due to gravity B. two gravity & the force in the coin itself C. three gravity the coins internal force & a turnaround force D. none of ...
*September 21, 2012*

**Physics**

An arrow is shot into the air at an angle of 60.3° above the horizontal with a speed of 21.2 m/s. What are the x- and y-components of the velocity of the arrow 3.1 s after it leaves the bowstring? What are the x- and y-components of the displacement of the arrow during the...
*September 17, 2012*

**SCIENCE**

When you drop a bowling ball & a tennis ball they hit the floor at the same time but when they hit the floor they have the same what? A. speed B. force C. momentum D. all of the above. I think it is D but I can't find anywhere what they have the same. Thanks
*September 7, 2012*

**Math **

Number is between 100 and 1000 The sume of the digits is 11. The tens digit is less than the hundreds digit. There are no zeros. It says to list all the possible answers (which I found 19) but also asks, "my answer is______ because ______" I think the answer is there...
*August 31, 2012*

**Science**

check answer please. An object is pulled with 3 forces: 1 at 20n to the right another at 40n to the right and the third at 30n to the left. The net force is 30n to right
*August 27, 2012*

**Science**

Can someone tell me how to figure this out. Fido weighs 120N & carries Trixie who weighs 40N on her back. The support force on fidos feet is. 160n - 40n - 120n -more than 160n
*August 27, 2012*

**Science**

When you stand at rest on a floor the number of vertical force acting on you is A 0 B 1 C 2 D 3 E 4
*August 27, 2012*

**Science**

A 50N object falling in air experiences 30N of air resistance. The amount of net force on the falling object is A 0n B 20n C 50n D 80n
*August 27, 2012*

**Science**

thank you I couldn't remember the formula
*August 27, 2012*

**Science**

At the end of 2 seconds of free fall an object released from rest will have a speed of A. 5m/s B 10m/s C 15m/s D none of the above
*August 27, 2012*

**Science **

You are a Chemical engineer, trying to synthesize N2H4(l). Your boss suggests that you try to synthesis it from the elements, nitrogen and hydrogen, at 25 celsius and 1.0 atm (since this would be a cheap way of doing it). Write a short note to sent to your boss which discusses...
*July 26, 2012*

**chemistry**

if 25.0g of O2 gas has a temperature of 400k and a pressure of 610 mm Hg, what is its volume?
*July 20, 2012*

**psychology**

teenage mothers who are sccustomed to existing hamburgers, french fries, and cokes need to consider the nutritional needs of the child. Researchers has shown that a poor diet can: A. restrict the development of eye and hair color. B. produce prenatal hearing loss. C. have ...
*July 6, 2012*

**psychology**

the research of solomon asch revealed that: A. participants in the study conformed to the erroneous group respose in one-half of the trials. B. All participants in the study conformed to the erroneous group response in each trial. C. Participants in the study conformed to the ...
*July 6, 2012*

**Government**

charters
*June 15, 2012*

**health**

how did you decide which jobs were eliminated
*June 3, 2012*

**math**

if shampoo costs 3.96 for 17 ounces what is the unit cost
*May 25, 2012*

**math**

What would the percentage be if I had 16 apples and 15 of them were yellow?
*May 25, 2012*

**Trig**

Find two values of theta that satisfy the equation. give your answers in degrees (0degrees <theta<360degrees ) and radians (0<theta<2pi) a. sin θ= sqrrt3/2 b.sin θ= - sqrrt3/2
*May 19, 2012*

**Trig**

Find the radian measure of the central angle of a circle of radius r that intercepts an arc of length s.? Radius, r=16 ft Arc length, s=10 ft
*May 18, 2012*

**math**

drawing several kinds of triangles including a right triangle, than draw a square on each of the sides of the triangles. compute the area of the squares and use this information to investigate whether the pythagorean theorem works for only the right triangles.(use a geometry ...
*May 16, 2012*

**math**

using thepythagorean theorem and if the quadrilateral with side c is a square.then compute thearea of the square with side a + b:(a) as (a + b)2 and (b) as the sum of the areas of the 4 triangles and the square withside c.
*May 15, 2012*

**math**

a company want to lay cable across a lake. to find the lengh of the lake, they madethe measurements 180ft and 150ft. what is the length of the lake?
*May 15, 2012*

**math**

a ramp is 1m above ground level and starts 3m from a building. how long is the ramp?
*May 15, 2012*

**algebra**

solve -9< 4x - 4< -3
*May 12, 2012*

**Algerbra**

Multiply -7/5 * (6/7)
*May 12, 2012*

**sti**

A researcher plans to use a sample of 500 men and women attending a well-known online university to study the relationship between the number of fast-food hamburgers consumed in a month and BMI (body mass index). The null hypothesis is that there is no relationship between ...
*May 10, 2012*

**Science**

If you have a 12M container of HCl avaliable. How much of this solution is needed to make up a 5.0L solution of 0.10M concentration?
*May 7, 2012*

**Science**

If you have a 500 mL of a 0.4M Nacl solution. How much water is needed to make is 0.1M solution?
*May 7, 2012*

**math**

Maria drives 69 mph and Ming drives 60 mph. How far apart will they be in 3 hours?
*April 19, 2012*

**Math**

A bag contains 5red balls and 4 white balls. Two balls are drawn at random from the bag. The first ball drawn is put back into the bag before the second ball is drawn. What is the probability that the two balls drawn are both red?
*April 16, 2012*

**Physics 100**

A 355-g piece of metal at 48.0 degree celsius is dropped into 111g of water at 15.0 degree celsius.If the final temperature of the mixture is 32.5 degree celsius what is the specific heat of the metal?
*April 16, 2012*

**physics**

waves propagate down a 25 gram string at 35 m/s. If the string has a length of 1.5 meters, what is the magnitude of the tension acting on it?
*April 16, 2012*

**Chemistry**

How many moles of ammonium sulfate were released in 25.3 kg?
*April 11, 2012*

**math**

Sharon brought 12 apples to the picnic. After the picnic, 2 apples were left. What fraction of the apples were eaten.
*April 10, 2012*

**us history**

Why did nonviolence prove to be a successful strategy for confronting segregation?
*April 4, 2012*

**UNIVERSITY OF PHONEX**

x=5-7 need to find the order pairs for this equation.
*March 26, 2012*

**math**

Meera arrived at her grandmother's house at 8:00 a.m. First they made cookies. At 10:00 a.m. they played tennis. At 12:30 p.m. they mde sandwiches. At 12:45 they ate the sandwiches and the cookies. How much time did Meera and her grandmother spend making food?
*March 19, 2012*

**math**

A seismograph 300km from the epicenter of an earthquake recorded a maximum amplitude of 5.8*10^2lrm, find this earthquake's magnitude on the RicHTER scale to the nearest tenth.
*March 12, 2012*

**Business communication**

I have to revise these sentences as if speaking to a 10th grade level in education. Can you tell me if these are correct: 1. We must terminate all deficit financing. Revision: We need to end all debts. 2. We must endeavor to correct this problem by expediting delivery. ...
*March 5, 2012*

**math**

thank you
*March 3, 2012*

**math**

a football player can run 20 yards in 3.4 seconds. write an equation to find y, the number of yards the football player can run in a second? i can't seem to figure this one out??
*March 3, 2012*

**math**

thank you!!
*March 3, 2012*

**math **

ok so now i have to write an equation for the following: two more than the number of frogs is 4. i think it is f+2=4 am i right?
*March 3, 2012*

**math**

thank you that is what i put, just wanted to be sure:)
*March 3, 2012*

**math**

help please!!! how do i write this as an algebraic expression: ten dollars more than grace has
*March 3, 2012*

**Chemistry**

A block of copper at 100 degrees Celsius comes in contact with a block of aluminum at 20 degrees Celsius. The final temp of the blocks is 60 degrees Celsius. What are the relative masses of the blocks?
*March 1, 2012*

**MATH**

ELLE IS MAKING A PATTERN.SHE IS USING RECTANGLES 1 CENTIMETER WIDE AND 2 CENTIMETERS TALL. WHAT WILL BE THE PERIMETER OF THE SIXTH SHAPE IN THE PATTERN?
*February 29, 2012*

**e-Commerce**

If I opened a business and was offered $1,000, should I sell or not? why? Cite the ethical dilemmas.
*February 22, 2012*

**Math**

15/8z+1/4=4 Please help me solve and show how you did it. Thanks
*February 11, 2012*

**Math**

a rectangular family room has 204 square feet of it takes 1 3/8 yards of material to make one shirt. how many shirts can be made from 16 1/2 yards of material? 1.1 2.3 3.6 4.12 5.24
*February 9, 2012*

**geometry**

If I want to cover a wall that is 10ft long by 3 ft high with 4"x4" tiles how many tiles do I need?
*February 8, 2012*

**Public Health**

Definately NOT ethical! Wow.
*February 5, 2012*

**physics**

Suppose that a senior driving a Pontiac zooms out of a darkened tunnel at 31.0 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 15.7 m/s. She hits the brakes as fast ...
*February 1, 2012*

**physics**

A catapult on a cliff launches a large round rock towards a ship on the ocean below. The rock leaves the catapult from a height H = 31.0 m above sea level, directed at an angle theta = 48.5° above the horizontal, and with a speed v = 35.6 m/s. Assuming that air friction ...
*February 1, 2012*

**Science**

An experiment always starts with: data collection or theory or group selection or randomization. I have you ask a question then do background research....so does that mean the answer to the question would be data collection? Sorry
*January 21, 2012*

**maths **

one bag contains 1 red ball,1 yellow ball, 1green ball and 1 blue ball the second bag contains 1 pink ball and 1 grey ball what is the sample space out come
*January 19, 2012*

**4th math**

whats the answer?
*January 11, 2012*

**4th math**

can you help me with this problem,? here is the number of lunches served last week at a school. 234,234,245,250,255. I already got the median is 245 set and Mode is 234 set. what do you think will be the next number of lunches serves?--- why?-----
*January 11, 2012*

**Sociology**

Can you help me relate what I call dangerous dogs, specifically, like dogs who attack other dogs on a walk and then go on to attack the person walking the dog to the 3 sociological perspectives: functionalism, conflict and interactionism Please if you can just get me started ...
*January 2, 2012*

**anatomy and physiology**

the wide band of fibers that sep[arates the two hemispheres of the cerebrum is called the? 1 choroid plexus,2 central fissure ,3 cerebral aqueduct or 4 corpus callosum
*December 27, 2011*

**university of phoenix**

Does lovastatin (a cholesterol-lowering drug) reduce the risk of heart attack? In a Texas study, researchers gave lovastatin to 2,325 people and an inactive substitute to 2,081 people (average age 58). After 5 years, 57 of the lovastatin group had suffered a heart attack, ...
*December 19, 2011*

**university phoenix **

In Dallas, some fire trucks were painted yellow (instead of red) to heighten their visibility. During a test period, the fleet of red fire trucks made 153,348 runs and had 20 accidents, while the fleet of yellow fire trucks made 135,035 runs and had 4 accidents. At α = ....
*December 19, 2011*

**algebra**

List all possible or potential rational zeros for the polynomial below find all real zeros of the polynomial below and factor completely over the real numbers. f(x) x^4 + 10x^3 + 12x^2 - 58x + 35 Someone anyone?????
*December 9, 2011*

**algebra**

what does the question mark mean????
*December 9, 2011*

**algebra**

find all complex zeros for the following polynomial function please show all your work f(x) = x^3 - 125 ????????
*December 9, 2011*

**algebra**

Thank you I think I understand it better with Bob's answer.
*December 9, 2011*

**PSY**

thank you sorry to have bothered you.
*December 5, 2011*

**PSY**

I have a research paper due tonite at mid-nite and need to know if you have previous research on this paper.My son was hospitalized and i have been unable to complete the assignment....
*December 5, 2011*

**PSY**

ocus of the Research Paper Carefully review the scenario below: Susan and Molly, employees in a busy call center, are chatting at lunch. Between bites of fried chicken, French fries, high calorie soda, and a tiny salad, Susan begins to complain to Molly that she can’t ...
*December 5, 2011*

**logic**

is not the most important factor they consider when compairing two films
*December 2, 2011*

**calculus**

Find an antiderivative G of g(x)=1/x^4
*December 2, 2011*

**Math**

Thank you for tour help we thought there was only one correct answer..
*November 29, 2011*

**Math**

Ms.Dixon sees more than 119 birds but fewer than 132 birds. How many birds might she have seen?
*November 29, 2011*

**milford**

Suppose that a man throws a ball from the front of a train that is moving at 100 km/hr. If he throws the ball forward at 10 km/hr, what is the speed apparent to the man?
*November 29, 2011*

**ALGEBRA**

1/12
*November 27, 2011*

**phi 103**

What r the answer to these 10 questions
*November 26, 2011*

**Grammar**

Because subtle changes can reveal future abnormalities. Is this a sentence fragment?
*November 23, 2011*

**Chemistry**

The heat capacity of liquid water is 4.18 J/g·°C and the heat of vaporization is 40.7 kJ/mol. How many kilojoules of heat must be provided to convert 1.00 g of liquid water at 67°C into 1.00 g of steam at 100°C?
*November 13, 2011*

**Math**

What is the rule for this function table? Input 3. 5 11 Output 13 21 45
*November 12, 2011*

**Math**

A floor-finishing machine uses bars of wax. Once the bar is worn down to 1/2 its original size, it must be replaced with a new bar. Only full-size bars can be put in the machine. The pieces are melted and recycled to make full-size bars. If you buy 24 bars and recycle all the ...
*November 10, 2011*

**Science **

Thanks
*November 8, 2011*

**Science **

Are all tornadoes cyclones. I have read many sites some say they are others say no. Can someone give me an accurate site please
*November 8, 2011*

**Algebra**

Evaluate the expression 3x2y when x = 3 and y = 5.
*November 8, 2011*

**statistics**

a firm has 10 sales reps. In how many ways can they be assigned to two territories, with 7 reps in one territory and 3 in the other?
*November 2, 2011*

**huma215-1104A-04**

what would a decentering of culture have meant for a given culture group?
*October 30, 2011*

**General**

Thanks
*October 29, 2011*

**General**

Thanks Ms. Sue but was my answer correct?
*October 29, 2011*

**General**

The more I read I'm getting confused. Just want to make sure. Winds that pass through an upper level trough go counter-clockwise in the Northern Hemi & clockwise in the Southern Hemi, right?? Thanks
*October 29, 2011*

**Science**

If someone could check my answer: Dynamic lows are accentuated due to the fact that they rotate in the same direction as the Earth's surface (Cyclonic flow). This is called-----CORIOLIS EFFECT....Thanks
*October 24, 2011*

**Super Easy Math Question**

4x+y=12 6x+8y=8
*October 19, 2011*

**Statistics: Percentile Rank**

A survey of college students was conducted during final exam week to assess the number of cups of coffee consumed each day. The mean number of cups was 5 with a standard deviation of 1.5 cups. The distribution was normal. A. What proportion of students drank 7 or more cups of ...
*October 18, 2011*

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