Thursday
April 24, 2014

Posts by elizabeth


Total # Posts: 805

Physics
The applied force is W = Fdcos(theta).

Physics
The applied force is W = Fdcos(theta).

physics
A 10g marble is spun so that it rolls at 150rpm around the inside of a steel tube. The tube has a 12cm diameter. Assume the rolling resistance is small enough for the marble to maintain 150rpm for several seconds. During this time, will the marble spin in a horizontal circle o...

physics
A 30g ball rolls around a 40cm diameter L-shaped track at 60rpm. What is the magnitude of the net force that the track exerts on the ball? rolling friction can be neglected.

Pre- Algebra
-6x-15>57

Math (calc)
yes that's what I thought. Thank you!

Math (calc)
Given the function: f(x)=x^3(x-2)^2 , on the interval [-1,3] find the domain and Asymptotes ...Isn't the domain (-1<x<3) ? and as for the asymptotes I thought you could only find them for rational functions and since that function is not rational I guess there aren&#...

Earth Science
Earth is always changing. What are two forces that cause the earth's surface to constantly change and what are their effects on the planet? Please answer within a few minutes.

Life Science
By living in areas where other organisms inhabit,humans change the environmental conditions for those organisms. Describe two ways humans impact the environment and what the effects are on the earth? Thesse can either be positive or negative. Please answer in a few minutes.

Math
This is the layout of the McDougal's backyard.The scale is 1 centimeters to 5 centimeters.The actual area of the pool is 375 square meters.The length of the pool is 25 meters. How do I find the area of the pool on the layout?

Math
45?

Math
This is the layout of the McDougal's backyard.The scale is 1 centimeter to 5 meters.The length of the deck on the layout is 7 centimeters.The width of the deck on the deck is 2 centimeters. What is the actual perimeter of the deck? Pls answer within the next minute and inc...

Math
96 my multiplication was wrong.Sorry

Math
9.6 Thanks!

Math
Round your answer to the nearest whole number when necessary. In a basketball game,Ivring scored 80% of the teams points.If team as a whole scored 120 points,how many points did Ivring score? PLS answer within the next minute!!

physics
You are explaining to friends why astronauts feel weightless orbiting in the space shuttle, and they respond that they thought gravity was just a lot weaker up there. Convince them and yourself that it isn't so by calculating how much weaker gravity is at h = 330 km above ...

physics
You are explaining to friends why astronauts feel weightless orbiting in the space shuttle, and they respond that they thought gravity was just a lot weaker up there. Convince them and yourself that it isn't so by calculating how much weaker gravity is at h = 330 km above ...

Computer Science
Running time is 1,2,3,4,5,6,7,8,9,10. It sll got put together, but really those numbers are separate from the n numbers

Computer Science
I am learning in my computer science class about algorithms. My teacher wrote on the board: n= 1 running time= 1 3 1+1= 2 7 1+2= 3 15 1+3= 4 31 1+4=5 63 1+5= 6 127 7 255 8 511 9 1023 10 How in the world does this happen? It has something to do with log n steps. I don't und...

4 grade FL social studies weekly
Do you know how Fort Caroline and Missions San Luis are alike.

Biology
solid, liquid, gase

biology
studying genetics in mammals where can i find out about felines and canines that are proven mainly allergen free, thought not genetically modified?

algebra
Do you know where I can get this worksheet online to print?

English
Thank you Ms.Sue But then on this one: Many stories have been written about the old Spanish Main. The simple predicate would be: "have been written"? Thanks and have a good one.

english
I need to find the simple subject and simple predicate: Every sentence should begin with a capital letter. I know that "sentence" is the simple subject but I'm not sure if the simple predicate must include the word "should" or if it's just "beg...

psychology
•Describe neurotransmitters. Explain what they are, their function within the body, and their impact on behavior. •Describe the connection between neurons and neurotransmitters. •Choose two neurotransmitters and discuss their function within the body. Discuss bo...

Science
thanks.:-)

Science
What is an energy production pyramid??

survey of mathematics
61.2

Social studies
Yeah. They lived in the Southweast which is a desert. Then, the correct answer is A.

Social studies
C

Social studies
Why did the ancient puebloans most likely use materials other than wood to build their homes? A. Few trees grew in the dry climate in which they lived B. Wood was considered too sacred to use for building C.They were nomads and needed to move their homes quiclky D. The Ice Age...

10th grade
explain how to add measurements of segments 18.4 4.7 p to q to s

HCA 220
I need help with a draft of final presentation it's due Tuesday and I need help with my final project: medical storyboard presentation. I have to create 15 to 20 slides for my powerpoint. It's about an episode of a medical drama or documentary. I have to use 45 medical...

math
60

Math
Linda got a math test handed back to her and got a 96% on it. However she lost the test, not knowing what she got. If she knows that she scored a 43 on the test then how many 1- mark questions are there on the test?

Maths
What is 6:1/2= 6:12= 6:2= ?

Math
i do not understand what you are saying...i need to find the probability of getting 2heads combined with rolling a four on a number cube

Math
2 coins and 1 six sided cube are tossed. What is the probability of getting two heads and and a four?

12th grade
what are substitutes

Accounting
prepared an adjusted trail balance, journalizing, posting and prepaid a financial statements would be completed last

Chemistry I
A scuba diver's tank contains 0.23 kg of O2 compressed into a volume of 3.5 L. (a) Calculate the gas pressure inside the tank at 11°C. ________atm (b) What volume would this oxygen occupy at 20°C and 0.92 atm? ________L what are the formulas for this problem?

Chemistry
ok so... sqrt(3 x 8.314 x 289/146.056) = 7.025 m/s is that right?

fractions in input output table
what is the rule for the input and the output

math
what is the equation for the function table X= 4 5 6 7 12 Y= -2 0 2 4 ?

Math
Find the distance between A and B, where A and B have the following coordinates: A(–3, 5); B(5, –8). Show your work by using the notation sqrt( ) for square root.

science
your mama

algebra 1p
5(x-3)-3(x-1)

first aid
laceration to foream which is actively bleeding. what should the - Immediate action to pervent further injury. How to assess the injury first aid procedures the next stage what happends to the casualty? and How?

sports
why is strenght endurance speed flexibility body composition agility balance co-ordination power reaction time all important to an athlete

science
I have a bill like a duck, But the hair of a mammal i lay eggs like a bird, But I nurse my young what am I?

biology
the process of disjunction occurs during what?

sport
why will these lifestyle factors effect performance in sport. smoking drinking stress diet.

business law
where do i go to find stuff on lawfirm expanding to nearby ciy and staes

medical
hi my friend has moved to spain and has taken ill they say she has FEBRA but know one knows what this is any help would be greatfull

9th grade science
what three ways can you charge an object?- grade 9 physics(science)

algebra
the area of a pizza is 220 square centimeters. what is the radius

Math
-7+3

science
if the mass of an object is 20g and the volume of the object is 100ml what is the density of the object

calculus
so far i have dR/R = kdt ln R = kt + C am i on the right track? what do i do next?

calculus
solve the differential equation. assume a, b and k are non zero constants. dR/dt = kR i don't understand how to do these problems.

help plzzz
I got A LINE OF CHORUS GIRLS

proportions
x over 100/125 = 75/225 over 4/25 what is x and how do you get the answer please

proportions
3/8 over 3 = x over 5/12

spanish
that word does not exist in spanish

proportions
3/8 x __ = __ 3 5/12

6th grade algebra
3/8 + x __ __ 3 5/12

economics
According to liquidity preference theory, the slope of the money demand curve is explained as follows: a. interest rates rise as the Fed reduces the quantity of money demanded. b. interest rates fall as the Fed reduces the supply of money. c. people will want to hold less mone...

Physics
Blocks of mass m1 and m2 are connected by a massless string that passes over a frictionless pulley. Mass m1 slides on a frictionless surface. Mass m2 is released while the blocks are at rest. The pulley is a solid disk with a mass mp and a radius R. Use conservation of energy ...

Chemistry!
Calculate the work involved if a reaction with an enthalpy change of -2418 kJ is carried out in a vessel with a mobile, frictionless piston. Other details: the reaction is H2(g) + 1/2Oxygen2(g) yields H2O(g) with enthalpy change of -241.8 kJ/mol. The product is 180.16gH2O=10.0...

3rd grade
Please help me to rhyming words. The word is sleep. And I need to use this words: strret,please,free,whel,resd,queen,each,sneeze,people,meet,team sea.need,dream,meat. Can you plaese let me know which one rhym, Thank you. 3rd grader need help!!!!

MATH- LINEAR PROGRAMMING
THE PENN-OHIO BUILDING COMPANY BUILDS AND SELLS TWO TYPES OF HOUSES:"CLEVELAND CASTLES" AND "PITTSBUTGH PALACES". CONTRACTS CALL FOR USING TOTALS OF AT LEAST 20,000 FT OF FRAMING LUMBER AND 8,000 CUBIC FT OF CONCRETE; AND AT LEAST $9,000 FOR PROMOTION AND A...

ecomonics
I am trying to understand the math part of supply and demand . I am not getting it,I really need help! The question is: The demand and supply functions for sweatshirts are as follows: DEMAND Supply Quanity Quanity demanded(per period) supplied(/peri price__ price 10-----15,000...

mth
Add the two vote counts up and then divide 7,310 by that number (21,500) and you get 34%

History
Thank you Writeacher. I was looking at the wrong Article.

History
According to the U.S Constitution, what two duties do states have to other states?

9th grade
thanks ms. sue eventhough i dont know you thanks again

9th grade
acrostic poem on p h o t o s y n t h e s i s

Geometry
what do u need help on

Geometry
how do you solve for endpinnts??? My teacher dosn't explain it good and I doon't get it. Help Please!

Studying for Calc
I have a quiz on derivatives coming up and I really want to do well, but i'm not sure how to go about studying calc. i have no trouble studying for other subjects, but i'm doing poorly in calc and i need to make some changes in my study habits. any suggestions? i usual...

Calculus
How do I use the chain rule to find the derivative of square root(1-x^2) also, are there any general hints or tips for determining when the chain rule and product or quotient rule should be used?? i'm having trouble discerning when both the chain rule and either the quotie...

football
the question reads. explain how football is organised and funded and identifying areas for improvements. 2nd question reads compare local and national provison of sport identifying areas for improvement. thank you for looking to help me.

football
how would this be organised and what kind of funding would be used. thanks you.

sports
what strategies are used to encourage football participation?? please help

sport
what are he factors that affect participation in sport. what are the ways in which participation in sport is encouraged. what are four key issues in sport and their impact on sport. ppleae help im lost

sport
what are the local provisions of sport, the national provisions of sport. how is a chosen sport oganised and funded. please help im lost

principles of macroeconomics
It is possible for an economy to increase its production of computers and, at the same time, to increase its production of cars if the economy a. moves downward and to the right along its production possibilities frontier and the frontier is bowed outward. b. moves upward and ...

Ethnic Diversity
I am in this Axia class and it is now March 2010. is this information still up to date. This is funny how everyone stummbled onto this site.

physics
As a science project, you drop a watermelon off the top of the Empire State Building, 320 m above the sidewalk. It so happens that Superman flies by at the instant you release the watermelon. Superman is headed straight down with a speed of 36.0 m/s. How fast is the watermelon...

science
soalar eclipses occor when- ? Thanks

Math
so whah? What is the A?

Math
no clue?

Math
What is 12x8999? pluss 80000000 and subract 3 billion? Is that possible?

World Literature
b. deffinetly!

biological
describe how the nervous systen and hormone system enable body to maintain optimum health

business
what are the factors that affect the decision of utilizing spot versus forward exchange rate

Algebra 1
Suppose students in your school arrive in groups each morning. You are the first to arrive, and you are alone, but still considered a group (consisiting of one person). The second group has two more people than the first group. The third group has two more people than the seco...

maps
what is a ordnance suevey map??

health and safety
what are the risks and hazards of using a rowing machine and the diffrence between them

Pages: <<Prev | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | Next>>

Search
Members