Wednesday
March 29, 2017

# Posts by ann

Total # Posts: 1,458

algebra
thank you very much,
January 6, 2012

algebra
please help me find error: f(1) = 1/3 -4/3(1) =1/3 - 4/3 = - 3/3 = -1 should -1 be +1 or is there no error thanks note i reduced question from posting about 10 am this morning.
January 6, 2012

algebra 1 function question
given functions f(x) = 3x-5 and g(x) = 1/3 - 4/3x correct the error g(-3) = 1/3 - 4/3(3) = 1/3-4 = - 3 2/3 error i believe is 3 should be -3 so g(-3) = 1/3 - 4/3(-3) 1/3- (4/3 times -3/1) = 1/3 -( -12/3)= 1/3 +12/3 = 13/4 = 4 1/3 other one: f(1) = 1/3 - 4/3(1) = 1/3 - 4/3 = -3...
January 6, 2012

Math
The sides of a rectangle are in the ratio 2:5. The perimeter of the rectangle is 70cm. What is the Width of the the rectangle.
January 4, 2012

calculus
The derivative of f(x) = x^4/3 - x^5/5 attains its maximum value at x=
December 28, 2011

math
The derivative of f(x) = x^4/3 - x^5/5 attains its maximum value at x =
December 27, 2011

physics
A girl throws a slingshot pellet directly at a target that is far enough away to take 0.9 s to reach. How far below the target does the pellet hit? m How high above the target should she aim? m
December 21, 2011

physics
i need help w part b and c A proton is released from rest in a uniform electric field of magnitude 388 N/C. (a) Find the electric force on the proton. magnitude N direction (b) Find the acceleration of the proton. magnitude m/s2 direction (c) Find the distance it travels in 2....
December 20, 2011

physics
Two 4.0-g spheres are suspended by 9.0-cm-long light strings (see the figure). A uniform electric field is applied in the x-direction. If the spheres have charges of −3. 10-8 C and +3. 10-8 C, determine the electric field intensity that enables the spheres to be in ...
December 20, 2011

algebra
Thank you very much for explaining it to me. I am taking my first algebra course and I am having a difficult time in undestanding my text. You made this so clear. I really appreciate it. thanks Ann
December 16, 2011

algebra
please is this correct? write a direct variation equation that relates atoms of O oxygen to atoms of hydogen H Mary combined 8 atoms of hydrogen and 4 atoms of oxygen to get 4 molecules of water is this equation correct? O + 2H = WM
December 16, 2011

algebra
thank you drwls and damon, i really appreciate you help. ann
December 16, 2011

algebra
I posted this question earlier but I think I asked for too much so I am trying again and giving the answer I have, If you could tell me if it is correct, I would appreciate it. A sub is 7500 meters below sea level surfaces at rate of 80 meters per min. the depth of sub after m...
December 16, 2011

algebra
submarine is 7500 meters below, surfaces at rate of 80 meters per min. depth of sub after m minutes is given by d(m) = -7500 + 80m a. please give range for this function i thought -7500, is this correct? thanks b. make a table for graphing this function/ do not know how c. ...
December 15, 2011

geometry
For triangle ABC, if A is 52 degrees, B is 88 degrees, and C is 40 degrees, is AB the longest side
December 12, 2011

physics
A dockworker loading crates on a ship finds that a 20 kg crate, initially at rest on a horizontal surface, requires a 73 N horizontal force to set it in motion. However, after the crate is in motion, a horizontal force of 50 N is required to keep it moving with a constant ...
December 7, 2011

physics
The distance between two telephone poles is 59.0 m. When a 1.00 kg bird lands on the telephone wire midway between the poles, the wire sags 0.200 m. draw a free-body diagram of the bird. (do this on paper. your instructor may ask you to turn in this work.) how much tension ...
December 7, 2011

biology
thanks that's what i thought since he looked at where they lived water for fish and whale. thanks a lot ann
December 6, 2011

biology
Aristotle's system of classification, which 2 animals would be grouped together? A, seagulls and lizards B.seals and bats c. snails and butterflies d. whales and fish thanks
December 6, 2011

biology
thank you cam for your help.
December 6, 2011

biology
mammals are most closely related t : A, amphibians B. birds C. arthropods tks.
December 6, 2011

NEED HELP drawing a visual for this question
red-blue-purple = 4-3-2. red =160; blue = 120; purple -= 80. New total 560. Red has increased from 160 to (add 75% = 120) 280. Extra blue is 200 - 120 = 80. Total blue = 120 + 80 = 200. Blue as percentage of red = (200/280)x100 = 71.4%
December 6, 2011

calculus
what is the derivative of log3(x+X^2) log with base 3 i cant figure it out
December 5, 2011

algebra
thank you so much Henry, i really appreciate your help.
December 4, 2011

algebra
I made a typing error on last post so I thought I would try again . thanks for your help. Use the percent equation to answer the following. solve the percent equation for b. percent equation is a= p% . b i saw in text it set up as cross products a/b = p/100. I thought about ...
December 4, 2011

algebra
thanks, my typing let me down it should be solve for b
December 3, 2011

algebra
use the percent equation to answer the following. solve the percent equation for h percent equation is a/b=p/100 thanks
December 3, 2011

algebra
thank you ms Sue , i put that percent equation back on from yesterday, that was all the info given.
December 3, 2011

algebra
solve the formula for the indicated variable solve the volume of a rectangular prism v=lwh, for h
December 3, 2011

algebra
December 2, 2011

algebra
please write algebraic equation and solve thanks length of movie projected at 24 frames per second ; length(L)=24 f. solve for f
December 2, 2011

algebra
thank you
December 2, 2011

algebra
Please rewrite the following equation so that y is a function of x. 3x+18y=36 thanks for your help.
December 2, 2011

algebra
December 2, 2011

algebra
please help me put this in algebra equation? baseball regular season =162 games after playing 54 of them team a has 28 wins . A. how many wins will team have at end of season, 54/162 = 1/3 so I know answer is 28 x 3 = 84 wins B. what is % of games won by team so far this ...
November 23, 2011

algebra
tks Reiny, i am having problems with these equation set-ups.
November 23, 2011

algebra
please help me write algebraic equation/ solution if membership for local zoo is \$135, members do not pay admission but they are charged \$3. to park . non-members admission is \$25. for the zoo and \$5. for parking. After how many visits have members and non-members paid the ...
November 23, 2011

psychology
choose three or four of the recommendations for happiness that you have practiced in your life.
November 21, 2011

psychology
Im doing a powerpoint on the pursuing happiness need so help on how to go about working on it
November 21, 2011

Physics
A 64.1-kg athlete leaps straight up into the air from a trampoline with an initial speed of 7.4 m/s. The goal of this problem is to find the maximum height she attains and her speed at half maximum height. Write the general equation for energy conservation and solve for the ...
November 21, 2011

physics
Help. Can someone provide a formula. ty The electric motor of a model train accelerates the train from rest to 0.540 m/s in 35.0 ms. The total mass of the train is 685 g. Find the average power delivered to the train during its acceleration.
November 21, 2011

physics2ndquestion
the consumption of natural gas by a company satisfies the empirical equation V= 1.5t + 0.008t^2 where V is in volume in millions of cubic feet and t is the time in months. rewrite the equation in unit of cubic meter nd seconds. put the proper units on the coefficients. assume ...
November 21, 2011

PHYSICS
thanks :) can you answer the sub question for this prob? it says "rewrite the equation in unit of cubic meter nd seconds. put the propr units on the coefficients. assume a month is 30 days"
November 21, 2011

PHYSICS
the consumption of natural gas by a company satisfies the empirical equation V= 1.5t + 0.008t^2 where V is in volume in millions of cubic feet and t is the time in months. what are the dimensions of the constants 1.5 and 0.008?
November 21, 2011

college physics
A man pushing a crate of mass m = 92.0 kg at a speed of v = 0.860 m/s encounters a rough horizontal surface of length = 0.65 m as in the figure below. If the coefficient of kinetic friction between the crate and rough surface is 0.355 and he exerts a constant horizontal force ...
November 21, 2011

algebra
Thanks anna
November 14, 2011

algebra
evaluate the following please |-25| I put 25 as answer,, is this right the lines are staight lines Thanks for your help.
November 14, 2011

Science/Physics
An astronaut is about 20 m from her space station when the rocket thrusters run out of fuel. If she is carrying a few tools and can remove the rocket thruster, what should she do to get back to the space station? Explain reasoning.
November 13, 2011

algebra
thanks they were straight lines so I am going with 0 thanks
November 13, 2011

algebra
Describe and correct error [-13]- [13] = -13 - 13 = -26 thanks
November 13, 2011

English
The greed of the 1980s gave way to the occupational insecurity of the 1990s, which in turn gave way to reinforced family ties in the early 2000s
November 4, 2011

math
a savings account has increased over a 12 month period from 8765 to 9006.04. No deposits or withdrawals were made. What percent interest did he receive in a 12 month period
November 3, 2011

algebra
thanks, i could not see it ann
November 1, 2011

algebra
what is rule for this function input 0,1,3,4 and range 4,3,1,0
November 1, 2011

math
solve the equation. check the solution 5 x g -5 = 100
October 31, 2011

science
The kinetic energy of a baseball weighing 0.5 kg in its mid flight is 100 J. How high one needs to take the same ball so that it has the same potential energy?
October 28, 2011

science
a bullet has a momentum of 20kg*m/s -How fast would a car weighing 1200 kg should be moving to have the same momentum as the bullet expressed in miles/hr?
October 28, 2011

english
Need to draw a single line under the Complete Subject, and a double line under the Complete Prediate. Thanks? 1. Hundreds of were flying around the dock. 2. Onrainy days, does the fog obiterate your view? 3. A whale's big, bulky body can be a fearsome sight. 4. A huge ...
October 27, 2011

music
Jody says that atonal harmony establishes a harmonic center of gravity. Sean says that atonal harmony doesn't have a harmonic center of gravity. who is correct? A. Only Jody is correct. B. Only Sean is correct. C. Both Jody and Sean are correct. D. Neither Jody nor Sean is...
October 27, 2011

MATH 101
How do you solve system of equation problem. example x+3y=32 -3x+2y+3 and x+y=6 x-y=-9
October 26, 2011

mgt/230
ok i got that part now i don't understand what they want me to understand is this evaluate how organizational functions (such as marketing, financel, human resources, and operations) influnce and determine the organizations structure of target?
October 24, 2011

mgt/230
yes i did I'm just not getting it sorry
October 24, 2011

mgt/230
does organizational structure mean things like the presidents ceo's managers and so on
October 24, 2011

mgt/230
does that mean two different companys or organizational structures of burger king?
October 24, 2011

mgt/230
Ok need help not getting this I'm to descrbe the organizational structure of you selected organization i chose burger king, then Im supposed to compare and contrast that structure with two different organizational structures? I m not sure what to do.
October 24, 2011

positive psychology /220
what kind of strategies would you use to strengthen any relationshp
October 24, 2011

positive psychology /220
write a 200-300 word response explaining which strategies you could use to stregthen the relationship and describe how the relationship would be stregthen.
October 24, 2011

Math 101
1. Best Rentals charges a daily fee plus a mileage fee for renting its cars. Barney was charged \$123.00 for 3 days and 300 miles, while Mary was charged \$216.00 for 5 days and 600 miles. What does Best Rental charge per day, for mileage? 2. There were 44,000 people at a ball ...
October 23, 2011

Math 101
1. Best Rentals charges a daily fee plus a mileage fee for renting its cars. Barney was charged \$123.00 for 3 days and 300 miles, while Mary was charged \$216.00 for 5 days and 600 miles. What does Best Rental charge per day, for mileage? 2. There were 44,000 people at a ball ...
October 23, 2011

psychology
what are some strategies could be used to strengthen a relationship
October 23, 2011

psychology
what strategies could be used to stregthen a relationshi[
October 23, 2011

mgt/230
what is the relationship between organizational structure and organizational function? help please?
October 23, 2011

Math 101
Suppose you have a cookie stand, and when you charge \$3 per cookie box you sell 250 boxes. But when you raise your price to \$4 you only sell 120 boxes. a. Write an equation for the number of boxes you sell as a function of the price you charge. b. Denote "B" for ...
October 19, 2011

mgt/230
Ok I figured out oart of it the legal one now im working on the ethic and corporate social and no luck so far help please
October 16, 2011

mgt/230
stuck again. analyze the influence that legal issues, ethics, and corporate social responsibilty have had on management planning at BP Provide at least one example for each help please
October 16, 2011

mgt/230
so they want me to do what? that's what I don't get.
October 16, 2011

mgt/230
need help been working on this for two days my mind is blank. evaluate the planning functions of management as it relates to the organizations goal and stragies for BP
October 16, 2011

Science
What body system is most like the mitochondria in cells? It has to be one of these: Respiratory Muscular Immune Nervous Since I already used the other systems.
October 7, 2011

Chemistry
I have a new column for HPLC (high-performance liquid chromatography) analysis. Is it advisable to condition the new column with the mobile phase overnight at a slow flow rate of 0.5ml/min?
October 1, 2011

Reseach Methods
Does inpatient groups work better than outpatient groups in a drug treatment program. What would be the hypothesis, independent,dependent and control variables?
October 1, 2011

Physics
The lowest pressure attainable using the best available techniques is about 10^-12 N/m^2. At such pressure, how many molecules are there per cm^3 at 0 degrees C. I know that PV= nRT and that you solve for n/v = P/RT. I have also converted from N/m^2 to atm and am using R = ....
September 25, 2011

chemistry
concentrated sulfuric acid has a density of 1.84 g/ml. calculate the mass in grams of 1.00 liter of this acid.
September 22, 2011

chemistry
what is the volume (in ml)of a liquid(density=2.07 g/ml)weighing 130.grams?
September 22, 2011

chemistry
1. 30.0 ml of ethyl alcohol(density=0.790g/ml)are added to a graduated cylinder that weighs 44.28 grams. what will be the mass of the graduated cylinder plus the alcohol(in grams)?
September 22, 2011

chemistry
1. 30.0 ml of ethyl alcohol(density=0.790g/ml)are added to a graduated cylinder that weighs 44.28 grams. what will be the mass of the graduated cylinder plus the alcohol(in grams)? 2. what is the volume (in ml)of a liquid(density=2.07 g/ml)weighing 130.grams?
September 22, 2011

Math
factor n3 - 216 n to the 3rd power.
September 21, 2011

Algebra
Need to use properties to help simplify each expression. Example: 5 * 8 * 6 Would the answer be a actual property or 240
September 20, 2011

Science
Describe the difference and function between how plant cells and animal cells obtain food. I put something like- plant cells get food by photosynthesis, using chloroplast, sun, water, and carbondioxide. animal cells get food by digesting water, meat, vegetables, nutriends, ...
September 20, 2011

math HELP!!
How do you estimate for a division proble 56,225 divided by 48
September 20, 2011

Native American Literature
Sorry. I was not intending on plagiarizing. I just want to understand why Native Americans use these genres in Native American Literature
September 18, 2011

Native American Literature
Why did the Native Americans use the types of writing and genres that they did? Genres: Native American literature's, stand apart as a separate tradition that is itself strong and varied. This culture had rich, established literature. Legends, folktales, and other forms of...
September 18, 2011

Native American Literature
Thank You Both. One last question, why did the Native Americans us the types of writing and genres that they did ? Genres: Native American literature's, stand apart as a separate tradition that is itself strong and varied. This culture had rich, established literature. ...
September 18, 2011

Native American Literature
I mean that reflected in American Literature after that time period until now
September 18, 2011

Native American Literature
So there were not many tensions that reflected in American Literature during Pre-1600 For Native American Literature? But if my question wanted to know the tensions of Native American lit. during pre-1600 that reflected in American literature, then my answer above would be ...
September 18, 2011

Native American Literature
Here is the original question: How are the tensions of the time reflected in American literature? I thought that the question was asking how the tension during pre-1600 Native American literature reflected in American literature now.
September 18, 2011

Native American Literature
So my answer does not talk about the tensions of the time reflecting in American literaure?
September 18, 2011

Native American Literature
How are the tensions of the time of Native American literature (Pre-1600) reflected in American literature? There were a lot of white people at the time, that looked down on Native Americans. The white people would always try to steal their land and cause harm to their tribes...
September 18, 2011

Native American Literature
thank you :)
September 18, 2011

Native American Literature
What themes were predominant in the writings of the 1600s for Native Americans? Native Americans did not have any literature in the 1600s, but they did have oral traditions and stories which had a few main themes. Some of these stories were moral lessons (not quite sure that ...
September 18, 2011

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