Questions Asked on
August 19, 2011

physics
1. You slowly lift a book of mass 2 kg at a constant velocity a distance of 3 m. How much work did you do on the book? I got 180 for this 2. A 15 kg crate is moved along a horizontal floor with a rope that makes a 30 degree angle with the horizontal. If
asked by Mei Lei 
Science
How to calculate the height of water column gushing that would be gushing out from a 100 mm diameter pipe opening if the velocity of the water flowing through the pipe is 1.6 meters / second.
asked by Sasee 
Math
Please can someone show me the steps to do this problem?? Also, please don't tell me to just google the solution because I've already tried and have tried to do this problem by myself for hours now...Thank you so much. You are measuring trees in a forest.
asked by Lily 
Math
Please can someone show me the steps to do this problem?? Also, please don't tell me to just google the solution because I've already tried and have tried to do this problem by myself for hours now...Thank you so much. You are measuring trees in a forest.
asked by Lily 
General: Exam help
Hi Is there anyway that I can plan extended written responses? Where you write a response to source material essay under exam conditions. I struggle with them and my teacher told me I need to learn, but he hasn't really taught us.:) What is the best way to
asked by Em 
Precalc
Can someone please help me? I don't know how to solve for time under 23 units. When I try I think I get the answer for above 23 units and when I try to subtract from the whole period my answer is wrong. The correct answer is 5.1337 hours. Fidel is
asked by Rose 
wbnuwhui
Select the sentence that is punctuated correctly. (Points : 1) Paloma did not make it to work for, her car broke down on the freeway. Paloma did not make it to work for her car, broke down on the freeway. Paloma did not make it to work, for her car broke
asked by jvciopajoi 
physical science
the distance between two wave crests in the water is 3 meters. a swimmer notices one wave goes by every 6 seconds. What is the spped of the waves
asked by Anonymous 
ODE Ivariation of parametersMATHS
Evaluate yII+yI=tanx
asked by ERIC 
science
two identical 200 gram balls of diameter 3.0 cm are 5.0 cm apart. each carries a charge of 6.5 micro coulombs. one of the balls is realesed. find its acceleration if gravitational force is negligible small?
asked by Aaron 
math
A pool of water with surface area of 0.6 hectares has a uniform depth of 3 metres.A pipe drains water in the pool at the rate of 200 litres per second.How much hours does it take to empty the pool?
asked by Charles 
Math
The table shows the driving distance from certain cities. From To Driving Dis mi Pittsburgh Johnstown 55 Johnstown Allentown 184 1. Write a number sentence that compares the mileage from Pittsburgh to Johnstown to Allentown, and the mileage from Allentown
asked by Hayley 
science
help me to understand how to determine the volume in a partial graduated cylinder etc., 45 &40
asked by ann 
ecology
how to find the age of a plaNT
asked by chetna shetty 
maths
in a model of ship the mast is 9m high while. if the length of the actual ship is12m high.if the lenght of the ship is 28m. how long is model of ship?
asked by priya 
Math
when a problem asks for domain and range which is which?
asked by star 
math
if 1.6cm=20km in text book for reading maps than how much is 2.3cm.
asked by chetna shetty 
anatomy
where are the shoulders relative to these parts? 1. throat (inferior) 2. hip (superior) 3. ears (inferior) 4. hands (superior) 5. eyes (inferior) will someone please take a look at my answers and tell my if i am right
asked by Jessica 
CHEMISTRY
Discuss, in detail, the role played by DNA and RNA in genetic diseases. What are the breakthroughs, if any, in the treatment/management of genetic diseases?
asked by ken 
Math 116
Justin had $49 before spending n dollars on Jeans. How much money remains? Translate to an algebraic expression
asked by Kelly 
Math
solve for x, where x is a real number. (x^2)+3x4=14 Please show me the steps im missing one and i cant figure out what
asked by star 
Math
Olivia run the 200 meter dash in 24 different track meets. what is the total number of meters that olivia has run during track meets?
asked by Leslie 
math
ramos was falling through the air of 30feet per second. how many feet did ramos fall in the 110 seconds before she opened her parachute?
asked by jazmin 
health
Describe the type of manager it would take to operate a tertiary hospital in a major metropolitan area, then compare and contrast to a manager of a small town country hospital. Do they differ?
asked by PAM 
Application to Intemediate Algebra
Why will these expressions not add up? I need a little boost, thanks Michael
asked by Michael 
Math
A satellite moving in a circular orbit with respect to the earth's center experiences a gravitational force. If the satellite is put into a new circular orbit of smaller radius, how will the gravitational force and the speed of the satellite change ,if at
asked by Troy 
Math
If the addition of 2,000 joules of heat to 10 kilograms of a substance raises it's temperature 2 degrees,the specific heat of the substance is. a. 0.01j/kg degrees. b. 0.2j/kg degrees. c. 50 j/kg degrees d. 100 j/kg degrees e. 200j j/kg degrees
asked by Troy 
Geometry
a triangle has vertices A, B, and C, and the respective opposite sides have lengths a,b, and c. If a=1, b=3, and C=60, then sin^2(B) is equal to ?
asked by qwerty123 
Algebra
Why can not this equation be added together? Example: x^2/3+x^1/3; explain why thank you Michael
asked by Michael 
Arkansas History
What are some major cities in Crowley's Ridge?
asked by Rikky 
Statistics
a fair dice is tossed seven times. suppose that on tosses 2 through 7, the value seen is different from the value seen on the preceding toss. Let S denote the sum of the 7 value seen, the probability that s to be even is
asked by Appollonius 
trig
sina=^10 sinb=^5 find a+b if a,b are acute angles
asked by Anonymous 
trig
sina=^10 sinb=^5 find a+b if a,b are acute angles
asked by parminder 
personal finance
What is shortterm and longterm disability?
asked by Camille 
Web Design
how has the internet changed since 1980?
asked by Josh 
statistics
Student A gets 40%maxmium marks and 10 above pass mark.Student B gets 50%maxmium marks and 50 above pass mark.find the pass mark.
asked by Malar 
trig
a plane is flying with airspeed of 140 mph and heading 280 degrees. The wind currents are running at 20mph at 260 degrees clockwise from due north. Find the true course and ground speed of the plane.
asked by Frankie 
direct variation or neither
Tell whether the equation represents direct variation or neither, 7=3x+2 represents A) represents inverse variation B) represents direct variation C) represents neither.
asked by Tiara 
shakhenbi
a block of metal has a length of 20cm, breadth 10cm and height 5cm. its mass is 2.7kg. find the density of the metal in g/cm3. find out what the block is made of.
asked by tomba 
psychology
I am confused, I thought these were one in the same, but as I research they are saying that they are differnt approches. Can you help me...Is cognitive therapy the same as cognitive behaviorial intervention?
asked by liz 
geometry
Hello I have an assignment were I have to answer the following questions. I have posted the questions and their answers below can someone please read over them and see if what I wrote is correct and if it is not how do I fix it? Thank You ! 1.Who was
asked by need help 
physics
a block of metal has a length of 20cm, breadth 10cm and height 5cm. its mass is 2.7kg. find the density of the metal in g/cm3. find out what the block is made of.
asked by tomba 
Personal Finance
What are the functions of auto, home, health, disablity, and life insurance?
asked by Me 
chemistry
What would be the best technique to separate a soluble solid from a solution, like separating salt from a mixture of salt water?
asked by Anonymous 
Math
Find the area of the sector of the disk of radius r=15 ft and with arc length s=13 ft. When I did it it came out to .8666667, is that right or do I have to do 1/(13)(15) to get 1.15384571.
asked by Sue 
Personal Finance
What are some examples of companies for auto, home, health, disablity, and life insuance?
asked by Me 
Math
A person deposited $500 in a savings account that pays 5% annual interest that is compounded yearly. At the end of the 10 years, how much money will be in the savings account?
asked by leslie 
Personal Finance
What are some coverage characteristics of auto, health, like, disability, and and life insurance?
asked by Me 
physical science
A magnet is plunged into and out of a coil of wire 2 times per second. This induces 5 volts. If the number of coils in the wire is doubled from 100 to 200, and the original rate 2 times per second is kept the same, what will be the new voltage induced.
asked by Alicia 
COM
Read essay below and explain how effectively did the author persuade you and why? _______________________________________ The United States is the only modernized Western nation that does not offer publically funded health care to all its citizens; the
asked by Taylor 
math
an antique dealer visited three shops.she spent 25$ at the first shop.at the second shop she spent half of her remaining money .at the third shop she spent one third of her remaining money and had 60$ left.How much money did the dealer have originally?
asked by lisa 
Precalculus
Identify the graph of the equation. What is the angle of rotation for the equation? y^2+8x=0 How do i figure this out? I think it has to be a hyperbola.
asked by Beatrice 
statistics
The heights of American women aged 18 to 24 are normally distributed with a mean of 66 inches and a standard deviation of 2.5 inches. In order to serve in the U.S. Army, women must be between 57 inches and 79 inches tall. What percentage of women are
asked by Ann 
physics
Determine the stopping distances for a car with an initial speed of 93 km/h and human reaction time of 3.0 s for the following accelerations: 4.00 m/s^2 8.00 m/s^2
asked by Phil 
English
How would I cite quotes from books like The Hunger Games and Fahrenheit 451 in MLA Format? I have quotes I have to use in a comparison paper about Fahrenheit 451 by Ray Bradbury and The Hunger Games by Suzanne Collins. But The Hunger Games is written in
asked by Sarah 
Chemistry
Predict and balance the following organic reactions. 1. Ethanol(ethyl alcohol) and methanoic acid(formic acid) are mixed and warmed. 2. Ethanoic acid is combined with propanol.
asked by Summer 
Math
Write the standard form of the equation for the circle that passes through the points (2, 6), (4, 6), and (4, 2). Then identify the center and radius. So far I got 2D+6E+F+40 4D+6E+F+52 4D2E+F20 IS this correct> and how do I solve it?
asked by Janice 
Math
Determine the solution set of the system. x^2+y^2=9 x+y=3 Very confused on this one! PLease Help!
asked by Janice 
math
identify the property z(xy) =zx zy commutative.associative, distributive?
asked by lionel messi 
math
identify the property (x+3) 2 =(3+x) 2 commutative, associative, distributive?
asked by lionel messi 
math
simplify \``````27
asked by lionel messi 
math
write an algebraic expression: the total cost of x containers of yogurt at $0.79 each?
asked by cristiano ronaldo 
math
simplify completely: 65 degrees
asked by cristiano ronaldo 
math
simplify completely 2 (2x + y) 7x + 2y?
asked by cristiano ronaldo 
math
simplify completely 2 (2x + y) 7x + 2y?
asked by max 
Child Care Managment
which of the following is is best suited to a formative assessment of progress? A, muscular strngth and endurance B body fat analysis C. Flexibility D awareness of selfand space. I think is A. But if Im wrong can somebody help me. thanks.
asked by Alex 
MATH
Can anyone please help me with this? Can anyone please build or generate at least five Pythagorean Triples using one of the many formulas available online. Then After building the triples, verify each of them in the Pythagorean Theorem equation. Thank you
asked by John 
Chemistry
A mixture of gases at 760.0 torr contains 35.0% nitrogen, 22.0% oxygen , and 43.0% carbon dioxide by volume. What is the pressure of the carbon dioxide gas in torr?
asked by Erica 
Comp 155
identify key points to keep in mind when writing a topic sentence. How might these key points help you write effectively
asked by Me 
social studies
who were among the settlers at sagadahoc and who was thier leader?
asked by marina 
Comp 155
When writing a paragraph, it is important that the topic sentence and supporting points within that paragraph be directly related. What would be the reaction of a reader if the topic sentences in an essay did not coincide with the supporting points?
asked by Me 
georaphy
Can you help? Is the Arctic Circle north or south of the Tropic of Capricorn? My Mom says it can be north or south of the Tropic of Capricorn because the earth is round. My answer is the Arctic Circle is north of the Tropic of Capricorn. WHO is RIGHT, Me
asked by Reed 
Phyisics
If a toy plane was going 28 feet in five seconds. How fast was the plane going. If you could show me how you got the answer
asked by Steve Allen 
Labor Relations
1. The Local Roofers' Union makes an agreement with management for guaranteed raises each year of no less than 3% of their pay for the next two years in exchange for a reduction in their medical benefits coverage. This is called A. an interest dispute. B.
asked by Gloria 
geography
What does a star or dot in a circle usually mean on a map? I have my answer but again my Mom questions it? Here is my answer! A star in a dot means a capital of a country. A dot in a circle means a capital of a state.
asked by Reed 
SAT math
If five distinct lines lie in a plane, then at most how many distinct points can lie on two or more of these lines? 6 7 8 9 10.
asked by Grace 
Geometry please help me need to finish!
1.Who was Blaise Pascal and how did he help start the study of probability? 2.Who was Pierre de Fermat and how did he help start the study of probability? 3.What was the relationship between Blaise Pascal and Pierre de Fermat and what were they studying
asked by need help 
algebra
Find the y intercept for the equation 2x+2=4
asked by Lee 
physics
FIND THE SLOPE OF A LINE PERPENDICULAR TO THE LINE THAT PASSES THROUGH THE FOLLOWING POINTS (3,9) AND (7,15)
asked by Anonymous 
algebra
Translate the mathematical phrase “The product of 4 and the quantity ‘x + 11’ “ into an algebraic expression. Simplify completely.
asked by Anonymous 
human service
can you please help me to understand the difference between Arbitration and mediation?
asked by patiance 
Algebra
3. In his propane oven, he bakes two baking sheets with 24 Peanut Butter cookies on each sheet, two baking sheets with 18 Chocolate Chip cookies on each sheet, and one baking sheet with 10 Peanut Butter cookies and 12 Chocolate Chip cookies Write an
asked by Anonymous