Questions Asked on
June 2, 2015

physics
consider a vertical piston system. the piston has a 50g mass and a given radius of 3mm. what amount of pressure does the piston exert? ( use g==9.8 m/s^2 )
asked by charles 
math
use inductive reasoning to determine the units digit of the number 2^44 the unit digit of 2^44 is_____ powers of 2 2^1=2 2^2=4 2^3=8 2^4=16 and so on that last one they have is 2^12 so 2^44 would be 1.7592188?
asked by Jessica 
Health
what is the section in the 'Medication problem A.C.T.I.O.N. plan ' resource that you would turn to when addressing the situation
asked by KIKI 
informal Logic
The untimely death of Professor Hathaway halted his groundbreaking research into the uses of solar power. It therefore appears that Hathaway’s research will not result in practical applications. Which one of the following, if true, most seriously weakens
asked by christopher 
algebra Please help
.A toy rocket is shot vertically into the air from a launching pad 5 feel above the ground with an initial velocity of 72 feet per second. The height h, in feet, of the rocket above the ground as t seconds after launch is given by the function
asked by Ann 
Physics
Vector C has a magnitude 25.8 m and is in the direction of the negative yaxis. Vectors A and B are at angles α = 41.9° and β = 25.2° up from the xaxis respectively. If the vector sum A B C = 0, what are the magnitudes of A and B?
asked by Mark 
Math
A figure in the coordinate plane is reflected across the line y = x + 1 and then across the line y = x + 3. Find a translation vector that is equivalent to the composition of the reflections. Write the vector in component form. I know the answer is (2,
asked by Anonymous 
informal Logic
A recent study of 100 employees from six departments of a major corporation found 65% to be sleep deprived. The researchers concluded that the majority of corporate employees are sleep deprived. The researcher’s conclusion is suspect because it (Points :
asked by christopher 
Psychology
I want to condition a pet pig to come running for a food reward when I blow a whistle. In the process of this conditioning effort, the main idea is to A. pair a neutral stimulus with an unconditioned stimulus. B. teach the pig to pay attention to the sound
asked by Lynd 
Ayanda zungu
English is the language of opportunity. Why bother to teach indigenous languages?
asked by Madah zungu 
Chemistry
How many grams of NaCl will you need to mix 200ml of a 2.3M solution?
asked by Dennese 
math
Joanie wants to mail a package that requires $1.30 in postage. If she has only 5cent and 7cent stamps, what is the smallest number of stamps she could use that would be totally exactly $1.30? the smallest number of stamps is ____.
asked by Jessica 
algebra
World Records in the 1500m Run. The formula R = 0.075t + 3.85 can be used to predict the world record in the 1500m run t years after 1930. Determine (in terms of an inequality) those years for which the world record will be less than 3.5 min.
asked by martin 
ELA
. Which of the following sentences has a dangling modifier? A. The dog that is man's best friend is cat's worst enemy. B. On the way to the bank, the interest rates went down." C. By the light of the moon, I tripped over a rock. D. When the storm began to
asked by Brooklyn 
Science Help Plzz
1. The images above show particles in a medium. Which of the following shows the worst conditions for a sound wave travel? A B C D is the answer A? Which of the following correctly describes a radio wave? A long wavelength and high frequency B long
asked by Diana 
informal Logic
All sages provide both wisdom and inspiration. Since Dasha’s speech contained wisdom and greatly inspired her audience, Dasha is a sage. Which one of the following points out the flaw in the argument above? (Points : 1) Just because Dasha is a sage
asked by christopher 
Macroeconomics
(Monetary Control) Suppose the money supply is currently $500 billion and the Fed wishes to increase it by $100 billion. a. Given a required reserve ration of 0.25, what should it do? b. If it decided to change the money supply by changing the required
asked by Beth 
HESI
Rick rides 11 1/8 miles in an hour with his bike in second gear going uphill. If Rick rides downhill in fourth gear he goes 2 1/2 times faster. How many miles will Rick go in an hour downhill in fourth gear?
asked by leila 
English
Which country do you want to travel to among the three countries on the two pages? How come you want to travel to the country? 1. I want to travel to Canada because I want to try/eat beaver tails in Ottawa. They are sweet. 2. I want to travel to Belgium
asked by rfvv 
Math
a turtle is at the bottom of a 11 foot well. each day it crawls up 5 feet, but each night it slips back 3 feet. after how many days will the turtle reach the top of the well? the turtle will reach the top of the well after ___ days THANK YOU
asked by Jessica 
PreAlgebra
For questions 2 and 3, simplify the polynomial. 2. 2x^2+84x+3x6x^2+7 a.8x^r7x+15 b.4x^2x+15 c.4x^2+x+15 d.8x^2+7x+15
asked by Richy305 
Math help please
Which hill described in the table is the steepest? Explain. StreetHorizontal distancevertical rise Dixie 80 40 hill  Bell 80 20 hill   Liberty80 60 hill   A)Bell Hill;it rises 1 foot for every 4 feet of horizontal travel. B)Dixie Hill; it
asked by UMACBLACKBELT 
physics
A 100 g aluminum calorimeter contains 200g of water at 15 degrees Celsius. If 100 g of lead at 50 degrees Celsius and 60 g of copper at 60 degrees Celsius are placed in the calorimeter, what is the final temperature in the calorimeter?
asked by Saad 
Chemistry
The density of pure diamond is 3.5 g/cm^3. The mass of a diamond is 0.25 g.Calculate its volume.
asked by jessica 
French
Salut! Je m'appelle Karim et j'ai 16 ans. J'habite à Paris avec ma famille: mon pere, ma pere, mes deux freres et ma soeur. Moi, je suis grand et mince et j'ai les cheveux noirs et les yeux marron. Je suis sympa et tres sportif. Je fais du jogging, du
asked by Anonymous 
statisic
The current rate of success is 70% for 200 students. When the new test is implemented, the rate increases to 85% for the 50 students who pass the test and are allowed into the program. Is this difference significant?
asked by judy 
physics
consider the arrangement of four +20 microCouloumb point charges located at all 4 corners of a square with 30cm sides. calculate the magnitude and direction for the force on each charge due to the other 3 point charges.
asked by gipi 
Math
1. What percent of people chose the Ferris wheel or the carousel as their favorite ride? Other 19% Ferris wheel 18% Carousel 25% Roller coaster 38% A. 25% B. 37% C. 43% <  C? D. 56% 2. Two hundred people were surveyed about their favorite ride at an
asked by Nyla 
math
144^14/144^2 A.144^16*** B.144^12
asked by Anonymous 
ENGLISH
Create an accurate summary of Marilyn Lee Cross and her reasons for being aboard the EDS. Provide your answer in two to three sentences.
asked by KATHEREN 
Physics
A 5kg package is lifted vertically through 10m at constant speed. What is the potential energy of the package if acceleration due to gravity is 10m5 to power negative 2
asked by Annah 
psych 100
The basic building block of the nervous system is
asked by Anonymous 
Math
What is the value of the function when x = 3? x −2 −1 1 3 4 y 4 3 6 5 8
asked by Sara 
Math
Write the expression in terms of costheta and then simplify. cos^4theta  sin^4theta + sin^2theta Ans: cos^4 θ  1  cos^4 θ + 1  cos^2 θ = cos^2 θ
asked by Anonymous 
Math
I need help with this question. Suppose that f(0)= 0 , f(1)= 4, f(2)= 4, f(3)= 10, f(4)= 16 and g(x) = f(2x+3). Find any 5 points on g(x).
asked by Anonymous 
probability
The bumper car ride at the state fair has 3 red cars, 4 green cars, and 2 blue cars. Joe is first in line for the ride and is assigned a car at random. Bill in next in line and is randomly assigned a car. What is the probability that both joe and bill will
asked by Harris 
history
How did President Clinton help bring out the Camp David Accords?
asked by Anonymous 
Math
I need help with this question: Express below function in terms of f(x) if f(x)= x^2 y= 3(4x2)^2 + 5
asked by Anonymous 
Chemistry
Describe briefly,but including all essential experimental details and relevant equations, how you would prepare pure dry samples of  anhydrous iron (ll)chloride starting from iron.
asked by Violet 
Language Arts
The Passage is "The Trouble of Being Earnest" Which statement best expresses a theme of the passage? Some secrets are better left as secrets. Rules change depending on the situation. Marriage changes a person. Nothing is as it seems. I'm stuck between C
asked by Alice 
Physics
An olympic hurdler is in a race. He is running at 10 m/s and jumps over a hurdle. How high did he jump if he was moving at 1m/s as he crossed the fence?
asked by Aleisha 
math
Imagine you are the owner of a pizza shop that offers three different types of crusts, seven different toppings, and three different cheeses. Create an advertisement for your shop with three lists: one for crusts, another for toppings, and a third for
asked by amanda 
math algabra
The area of the living room is 162 ft2. What are the length and width if the width is twice the length
asked by brittany 
informal logic
Mrs. Orlof teaches two history classes, one in the morning and one in the afternoon. Yesterday she gave the same test to both classes. Anyone who failed the test must take a retest. Since a greater percentage of students who took the morning test failed
asked by jessica 
Algebra 1
There are 8 speaking roles in the play. Of the 8 speaking roles, 5 are for males and 3 are for females. After the 8 speaking roles in the play are cast, the remaining cast members will make up the chorus. C. What is the probability that the set of siblings
asked by Amy 
logic
Aron: The two double A batteries in my CD player are dead, so the CD player doesn’t work. My television remote control, which also uses two double A batteries, works fine. So if I move the two batteries from my television remote control to my CD player,
asked by Anonymous 
Maths
What is the daily interest rate for the following amount: $598 for 186 days at 7.75% APR
asked by Michele 
science
I want to write a CV , could you help and notice me how to do it ? with respects
asked by MAD 
To Alex  French
I deleted your post because you included your email address. We don't allow such personal information to be posted here. Here's your message: "I am currently doing French 20 through VHL Central can someone please help me with Lesson 2BEnregistrez as I can
asked by Ms. Sue 
physics
A blob of mass 5 kg is place on a table top.it is attached to a mass piece of 2kg by a light string that passes over a frictionless pulley.the table top exerts a frictional force of 7 N on the block (a) calculate the accelation of the system
asked by lesedi 
civics
Would it be possible to have a socialist direct democracy? (3 points) A. No, in a socialist society only a few highranking members of the communist party have political power. B. No, a direct democracy requires a free market economy which is not
asked by Nani 
physics
The distance between the midpoints of two metal balls,P and Q,respectively of masses 55 kg and 70 kg,is 80 cm (a)calculate the gravitational force that P exerts on Q thanks in advance
asked by happy 
math
If the path from park rangers station to camp ground is 0.55 miles determine and state to the nearest hundred of a mile.
asked by gary 
CHEMISTRTY
IF CO2 TRAVELS 20.5 CM DOWN A 46.0 CM GLASS TUBE IN 1.3*10^4 AS IN THE GRAHAMS LAW EXPERIMENT, THEN COLLIDES WITH ANOTHER GAS. WHAT IS THE MOLECULAR MASS OF THE SECOND GAS?
asked by Joseph 
CHEMISTRTY
TWO IDENTICAL NANO METERS ARE FILLED WITH MERCURY. THE NANO METERS ARE PLACED IN A CLOSED PRESSURIZED BOX CONTAINING AIR AT 1,000 TORR PRESSURE. ONE NANOMETER CONTAINS GAS a, AND THE OTHER GAS B. WHAT IS THE DIFFERENCE BETWEEN THE PRESSURES OF THE TWO
asked by Joseph 
Madah zungu
Traditional africam marriage is an advantage for men only, no women. Plz halp me people plzzz
asked by Madah zungu 
STATISTICS
Find the approximate 84th percentile of the pig pregnancy length distribution
asked by Ashley 
Math
The point (4, 6) is on the terminal side of theta in standard position. Which is the cosine of theta? 1.  2sqrt13/13 2. 2/13 3. 2/13 4. 2sqrt13/13 I think it is one of the negative ones, but I'm not sure of which.
asked by Anonymous 
Math
Which angle measure is closest to 8 radians? A. 100 degs B. 120 degs C. 150 degs D. 360 degs
asked by Anonymous 
algebra A055,
World Records in the 1500m Run. The formula R = 0.075t + 3.85 can be used to predict the world record in the 1500m run t years after 1930. Determine (in terms of an inequality) those years for which the world record will be less than 3.5 min. { Y l Y >
asked by martin 
algebra A055,
World Records in the 1500m Run. The formula R = 0.075t + 3.85 can be used to predict the world record in the 1500m run t years after 1930. Determine (in terms of an inequality) those years for which the world record will be less than 3.5 min. { Y l Y >
asked by martin 
physics
Two disks are rotating about the same axis. Disk A has a moment of inertia of 3.6 kg · m2 and an angular velocity of +7.9 rad/s. Disk B is rotating with an angular velocity of 10.6 rad/s. The two disks are then linked together without the aid of any
asked by Anonymous 
Algebra
The time, t, required to drive a certain distance varies inversely with the speed, r. If it takes 12 hours to drive the distance at 60 miles per hour, how long will it take to drive the same distance at 85 miles per hour? A. About 7.08 hours B. About 5.00
asked by AJ 
informal Logic
Catherine goes to her local movie theater only to see romantic comedies. Since Catherine did not go to the movies yesterday, there is not a romantic comedy playing at her local theater. The reasoning above is flawed because the evidence (Points : 1) does
asked by christopher 
calculus
Can I have a website of Beginner calculus books?
asked by ken 
chemistry
TWO IDENTICAL mano METERS ARE FILLED WITH MERCURY. THE mano METERS ARE PLACED IN A CLOSED PRESSURIZED BOX CONTAINING AIR AT 1,000 TORR PRESSURE. ONE manometer CONTAINS GAS a, AND THE OTHER GAS B. WHAT IS THE DIFFERENCE BETWEEN THE PRESSURES OF THE TWO
asked by Joseph 
ELA
13. Which of the following statements about connecting paragraphs is correct? A. Two paragraphs may be joined by an action verb. B. A good connection between two paragraphs is an implied transition. C. You can use a pointing word that that refers to a word
asked by Brooklyn 
physics
Mechanical energy is the difference between the kinetic and potential energies of an object. true or false?
asked by Anonymous 
life orientation
describe a recent service delivery protest in your community
asked by Anonymous 
life orientation
what are the problems that the community faced? what did the community members do before the protest?
asked by Anonymous 
Physics
We have to work out the accepted value of a roller coaster cart (taking into account friction) when the mass is modified Here is the answer I got for 56.71 grams: 0=∆EGP+∆EK+Fd 0=mg(hfhi )+1/2 m(v^2u^2 )+Fd 0=0.05671 × 9.8 (0.0750.786)+1/2×
asked by Madi 
express protein
If I would like to express a protein in the living cell so that when it is expressed in the cell it can bind to the membrane covalently. How can I do this (experimentally) ?
asked by Angora 
Math
Determine whether the polygons with the given vertices are similar. Support your answer by describing a transformation. V(3,2) W(8,2) X(1,5) R(6,4) S(16,4) T(3,15) I think they are not similar because V and W are dilated by 2 and X is dilated by 3. They
asked by Anonymous 
CHEMISTRY
calculate the volume of air required for complete combustion of 1m^3 of gaseous fuel having the combustion:CO=46%,CH4=10%,H2=4%,C2H2=2.0%,N2=1% and the remaining being CO2
asked by Anonymous 
health
Review the nutrition quality of the items, using what you know about daily values and ingredients. One of the products must have a health claim. Using the two food labels, write a 300  500 word essay. I need help coming up with a thesis statement.
asked by crissy 
Physics
Assume that Earth’s magnetic field is every where perpendicular to the path of a proton and that Earth’s magnetic field has an inten sity of 4.10 × 10−8 T. What speed would a proton need to achieve in order to circle Earth 1170.0 km above the
asked by Cassandra 
Physics
I want to lift a 90kg box using an inclined plane, but I only have 30kg of strength. What does the length and height of the inclined plane need to be?
asked by Sammy 
physics
A block of 25 is pulled horizontally on a rough surface by the force 120N.the coefficient of friction between the surface is 0.34 how do i calculate the accelation of the block
asked by kem 
Math
Question: over the last year, stormy and her 2 sisters saved money for their family trip this summer. They are now getting right to know how much they can spend on each of the 15 days of their trip. If they saved a total of $420, what is the total amount
asked by Abbey 
English
There are many sellers on both sides of Wangfujing Street in Beijing. they sell all kinds of stick food. What is the suitable name for the sellers? 1. street venders 2. shop owners 3. sellers 4. shop keepers
asked by rfvv 
Alegebra
Please solve. 7(w+2)/12 = 2(w7)/6
asked by Gregg 
English
1. Which street food can you find on Wangfujing Street?  We can find all kinds of stick food there. 2. What kinds of stick food do you like most?  I like fruit sticks most.  I like fruit stick food most.  I like the fruit stick food the most. 3. Which
asked by rfvv 
Algebra
Solve. 9(4k)/12 = 9(k+1)/8
asked by Robert 
Algebra 2
Michaela is solving rational equations. A. What is the solution set of the equation ... x^27x+12 (all over or divided by) x^2+x12 both equal to 3. What I did first was factor both equations geting (x4) on the top and (x+4) on the bottom both equal to 3.
asked by Macin 
Algebra 2
The only solution of the equation ... x&2+bx18 over (divided by) 2x+4 equals 4.... When x=17. I plugged in the number and replaced x with 17 and it looks like this... (17)^2 +(17x)18 over 38. I just got lost.
asked by Macin 
Algebra 2
x^2+2x15 (all over) x3 equals 3. (x3) * x^2+2x15 (all over) x3 equals 3 *(x3) x^2+2x15=3x9 x^2x6=0 (x3)(x+2)=0 x3=0 or x+2=0 x={3, 2} I did something wrong here but I'm not sure what I did that is wrong. What is my error? Or is it the
asked by Macin 
Math
Write a possible explicit rule for the nth term of the sequence, then use it to find the 20th term. 5, 10, 20, 40, 80, 160.... Ans: a(n) = 5(2)^n  1 20th term: 2621440
asked by Anonymous 
physics
can someone help me with this, two positive points charges q=10uc and q2 5uc are placed at the top right and bottom left of a square of side 20cm respectively, I was told to find it's magnitudes an directions of the forces erected by each charge.
asked by mr. yamo 
Math
Can x^2  5x + 4 be written as x^2 + 5x  4?
asked by Anonymous 
Algebra 1
The cast of a play consists of 7 males and 5 females. There is 1 male lead role and 1 female lead role. A. In how many different ways can the two lead roles be cast? My answer: 12 ways.. would'nt you add the number of females and males total and because
asked by Gabs 
Algebra 1
Of the 7 males and 5 females, there are two sets of siblings. One set consists of a brother and sister, and the other set consists of a brother and his 2 sisters. The lead roles are cast randomly. B. What is the probability that a pair of siblings are cast
asked by Gabs 
algebra 1
There are 8 speaking roles in the play. Of the 8 speaking roles, 5 are for males and 3 are for females. After the 8 speaking roles in the play are cast, the remaining cast members will make up the chorus. C. What is the probability that the set of siblings
asked by Gabs 
chemistry
TWO IDENTICAL mano METERS ARE FILLED WITH MERCURY. THE mano METERS ARE PLACED IN A CLOSED PRESSURIZED BOX CONTAINING AIR AT 1,000 TORR PRESSURE. ONE manometer CONTAINS GAS a, AND THE OTHER GAS B. WHAT IS THE DIFFERENCE BETWEEN THE PRESSURES OF THE TWO
asked by PLEASE HELP!! 
programming ( qbasic)
Write a program in qbasic to print the user entered word in reverse order using FUNCTION...END FUNCTION
asked by Clive 
reading paragraph and bar graphs
Casey said that 40 people were surveyed. Is his answer reasonable? Explain
asked by Anonymous 
Algebra 1 (probability) Help?
The director decides to add ... n... more females to the cast. D. Write an expression that represents the probability that the set of siblings that consists of a brother and his 2 sisters are all in the chorus. I'm not even sure where to begin with this
asked by Gabs 
French
Are my French sentences right? Can someone check? Merci. 1.) Il y a une fille qui s'appelle Fama . 2.) Elle est quinze ans . 3.) Elle est (from) Mauritanie . 4.) Elle (goes to) Californie. 5.) Elle vit avec une famille américaine.
asked by Julie 
Chemistry 12
Hi, I did the acidbase titration lab with HCl and 0.5M NaOH. I need to calculate the moles of NaOH from molarity of NaOH and the average volume used. My English isn't good but is it asking me to find the moles of NaOH using the molarity of NaOH and the
asked by Kim 
math
0,3,8,15,24 how do i calculate the tenth term
asked by kem 
Math
PLease explain how to do this Add or Subtract (m^2m+3)+(m1)
asked by Anna 
Algebra
PLEASE SOLVE. 9Y/7 =12(Y2)
asked by Rice 
geography
what does the drop in canada's imagration rate have to do with learning about imagration and canada's role in it
asked by aisha 
Math
how many different ways can 8 people be seated in 3 chairs
asked by M 
Chemistry
how many grams of butane must be burned in an excess of o2 gas in order to produce 7.64l of co2?
asked by Arielle 
Math
a news carrier has $7.00 in change he has 8 more quarters than dimes and five times as many nickels than quarters.how many coins of each type does he have ?
asked by Anonymous 
Algebra
Solve. x+2/8 + 1 = 4x/2
asked by Dre 
Economics
What are the cost and consequence of providing subsidies and welfare
asked by Thobiswa 
Engineeringscience
A ball with a mass of 2kg rests on an angle of 10degrees .The ball is to be released to roll down the incline plane, neglecting all friction determine the following,, a the loss in potential energy after it has rolled 12m, b The kinetic energy after it has
asked by Lucom 
English
you will submit an annotated bibliography. You must include five reliable (good) sources and five unreliable (bad) sources. Each of your ten entries must include the following: An MLA reference. A summary. An evaluation. Is the source reliable or not?
asked by Gaby 
Math help please
these questions are for practice, they don't count as points, but i don't understand how to solve them.. can someone please explain them to me?? which function rule represents the data in the table below? input1 2 3 45 output915212733 A)y=4+5x
asked by UMACBLACKBELT 
english
research skills are fundamental to a. academic writing b. all types of writing c. education, literature, business, and other industries, d. libraries it could be a,b, or c, but i chose b. pleases help
asked by tim 
Dividing Decimals
8 divided by 0.64 = 1.25? Is that correct?
asked by Keon 
health
I have to make a research paper on a health topic I picked Gtube. I have 5 websites already. I just don't know how to make the thesis statement. And my 5th website is going to be my experience. So I'm asking how is my thesis statement going to be written
asked by crissy 
science
electric charges that are different A. attract each other B. Repeal each other C. exist in pair D. DO not interact
asked by briana 
Math
For the depth of water on Friday, 16 January 1998, the periodic function is: y = 1.05 sin 2pix/11.72 + 1.55 1.05 is the 'a' value 2pi/11.72 is the 'b' value 1.55 is the 'd' value we were told not to take into consideration the 'c' value in our equation 'y'
asked by Madi 
economic
what is south african government providing for whom ? what are the cost and consequences of providing the subsidies and welfare?
asked by sipho