Thursday
August 21, 2014

Posts by Anonymous


Total # Posts: 69,747

physics
A skateboarder, with an initial speed of 4.2m/s , rolls virtually friction free down a straight incline of length 16m in 3.3 s.
June 10, 2014

check answer
From a hot air balloon, Sean looks through an angle of depression of 35 degrees to see LeAnn on the on the ground. If Sean and LeAnn are 500 ft. apart by the line of sight distance, to the nearest foot, how far is Sean off the ground? I used 500(cos55)
June 9, 2014

Precalculus
Records from the buzz sawmill show that workers have 0.03 probability of losing a leg and a 0.04 probability of losing an arm in any one year. Armand leg casualty insurance company plans to offer insurance policies for the workers. The company will pay $300 fir the loss of an ...
June 9, 2014

social studies help
Japanese American internment during World War II
June 9, 2014

social studies help
List 4 instances where the United States have paid reparations and note what positive impacts (if any)  these payments have made regarding American racial politics.
June 9, 2014

history
Explain Japanese internment and what (if any) role that period plays in the racial politics and interaction of modern Americans.
June 9, 2014

trigonometry
An airplane rises vertically 1000 feet over a horizontal distance of 1 mile. To the nearest degree what is the angle of elevation of the airplane’s path?
June 9, 2014

Business
***i have to answer interviewing questions for my homework. Im stuck on how to answer them. Its just practice and can be general. What is the most difficult part of the job? What types of challenges would I face in this position/department?
June 9, 2014

Physics
. A weightlifter lifts a 76.0 kg barbell 2.60 m 20 times in 1.50 minutes. What is his power output (a) in watts and (b) in hp?
June 9, 2014

math.
Solve the double inequality 0<(x+3)/2<5
June 9, 2014

math helpppp !
Solve the equation and check soultion 2(13t-15)+3(t-19)=0
June 9, 2014

physics
A child drops a ball from a height of 10 m. Assume its acceleration increases uniformly at the rate of 10m/s2. find the velocity with which the ball strikes the ground. Find the time taken to the ball reach the ground.
June 9, 2014

equation
10 triples every two months
June 9, 2014

physics
A child drops a ball from a height of 10 m. Assume its acceleration increases uniformly at the rate of 10m/s2. find the velocity with which the ball strikes the ground. Find the time taken to the ball reach the ground.
June 9, 2014

biology
A bacterial strain divides once every 30 minutes. After 90 minutes, a single bacterium can form a total of ___ bacteria
June 9, 2014

Math
Find two quadratic functions whose graph have the given x-intercepts. Find one function whose graph opens upward and another whose graph open downdward. (-5/2,0),(-2,0)
June 8, 2014

Math helpppp!
Write the quadratic function in standard form and sketech its graph. Identify the vertex. h(x)=(x-6)^2+3
June 8, 2014

algebra
the revenues per share of stock y (in dollars) for california pizza kitchen for the years 2000 through 2009 are given by the ordered pairs. (2000, 7.86) (2001, 9.02) (2002, 10.92) (2003, 12.66)(2004,14.64) (2005,16.26)(2006,19.16)(2007,22.32)(2008,28.37)(2009,27.47)
June 8, 2014

MATH
The perimeter of a rectangle is 540ft. Let x represent the width of the rectangle. Write a quadratic function for the area of rectangle in terms of its width. Find the vertex of the graph of the quadratic function and interpret its meaning in the context of the problem.
June 8, 2014

statistics
123
June 8, 2014

MATH
Find two quadratic functions whose graph have given x-intercepts. Find one function whose graph opens upward and another whose graph opens downward. (-4,0) (0,0)
June 8, 2014

physics
acceleration = 2,84 m.s Tension = 5,18 N
June 8, 2014

English
Even though the programmers are ------- about their new software, they are wary of publicly ------- its capabilities until further testing. (A) anxious . . commending (B) apprehensive . . substantiating (C) confident . . disclosing (D) positive . . decrying (E) cynical . . ...
June 8, 2014

Physics
Futurists project large space stations which would rotate so as to use centripetal acceleration to simulate gravity. The outer wall of the rotating space station would become a floor for the astronauts, and centripetal acceleration supplied by the floor would allow astronauts ...
June 8, 2014

Physics
Astrology, that unlikely and vague pseudoscience, makes much of the position of the planets at the moment of one’s birth. The only known force a planet exerts on objects on Earth is gravitational. (a) Calculate the gravitational force exerted on a 4.20 kg baby by the ...
June 8, 2014

physics
A geosynchronous Earth satellite is one that has an orbital period equal to the rotational period of the Earth. Such orbits are useful for communication and weather observation because the satellite remains above the same point on Earth, provided it orbits in the equatorial ...
June 8, 2014

Math
Thank you so much, Ms. Sue.
June 8, 2014

Math
15 - 6 = 9
June 8, 2014

Math
If 7x + 4y = 18 and 3x + y = -3, what is the value of x + y? F. 9 G. 11 H. 12 J. 14 K. 15
June 8, 2014

Math
Thank you very much PsyDAG.
June 8, 2014

Math
4( -15) = -60
June 8, 2014

Math
If you multiply a number by 3 and then add 40, the result is the same as if you first add 17 and then multiply by 2. What is the result if you subtract 9 from the number and then multiply by 4? A. -60 B. -72 C. -84 D. -108 E. -124
June 8, 2014

physics
prove that for finite length current element ?H = I/2πr(sinα2 - sinα1)aφ
June 8, 2014

statisticsbob
Perform a one-way ANOVA analysis, testing at the 0.05 level. Also, calculate the mean number of sick days for each group. Describe your results. But equally important, also explain what you would do if you owned your own company. Would you pay for your employers to receive Flu...
June 7, 2014

READING
words to use: curtail, devastate, digress,incentive, incorporate, indispensable,intermittent,rigor,squander and succumb.... Linda never had to work hard to make good grades in high school. But in college, where the rigors of course work were greater, she soon learned that her ...
June 7, 2014

reading
words to use: curtail, devastate, digress,incentive, incorporate, indispensable,intermittent,rigor,squander and succumb.... Linda never had to work hard to make good grades in high school. But in college, where the rigors of course work were greater, she soon learned that her ...
June 7, 2014

reading
words to use: curtail, devastate, digress,incentive, incorporate, indispensable,intermittent,squander and succumb.... Linda never had to work hard to make good grades in high school. But in college, where the rigors of course work were greater, she soon learned that her casual...
June 7, 2014

reading
words to use: curtail, devastate, digress,incentive, incorporate, indispensable,intermittent,rigor,squander and succumb.... Linda never had to work hard to make good grades in high school. But in college, where the rigors of course work were greater, she soon learned that her ...
June 7, 2014

reading
because i need help with ntrying to get the correct one. correction: succumb,digress,intermittent,squander,indispensable --please check yo see are these correct....
June 7, 2014

reading
words to use: curtail, devastate, digress,incentive, incorporate, indispensable,intermittent,rigor,squander and succumb.... Linda never had to work hard to make good grades in high school. But in college, where the rigors of course work were greater, she soon learned that her ...
June 7, 2014

Math
Hello. I need help with this question. A coin is tossed and a number cube is rolled. What is P(heads, a number less than 5 A 1/3 B 5/12 C 2/3 D 5/6 Based on the Info given, i can not figure out the answer to this question.
June 7, 2014

reading
succomb means?
June 7, 2014

math
If money can earn 5.25% compounded monthly, what is the value of an annuity consisting of annual payments of $2500 continuing for 16 years? The first payment will be received today.
June 7, 2014

Physics
An engine of the orbital maneuvering system (OMS) on a space shuttle exerts a force of for 3.90 s, exhausting a negligible mass of fuel relative to the 95,000-kg mass of the shuttle. (a) What is the impulse of the force for this 3.90 s? (b) What is the shuttle’s change in...
June 7, 2014

calculus
The Audubon Society at Enormous State University (ESU) is planning its annual fund-raising "Eat-a-thon." The society will charge students 90¢ per serving of pasta. The only expenses the society will incur are the cost of the pasta, estimated at 20¢ per ...
June 7, 2014

MATH
1. The table shows the results of spinning a four-colored spinner 50 times. Find the experimental probability and express it as a decimal. P(not red) = ? red | blue | green | yellow ---------------------------------------- 20 | 10 | 9 | 11 (1 point) a 0.6 b 0.4 c 0.2 <...
June 7, 2014

reading
a.
June 7, 2014

Math
HM... I thought it's 4 x 7 = 28.
June 6, 2014

Math
Ansgar is writing a novel. He writes seven days a week. On each of those days he write for at least 4 hours but never more than 8 hours. Last week, he wrote for exactly 46 hours. What is the maximum number of days on which he could have written for 8 hours? A. 2 days B. 3 days...
June 6, 2014

Math
I need to write the standard equation for the circle that passes through the points: (-5,0) (0,4) (2,4) I have to use the general equation for a circle: x^2+y^2+dx+ey+f=0
June 6, 2014

Chemistry
How many grams of HCl are needed in order to make 0.500 liters of a 0.100 M HCl solution? 1.82 g 18.2 g 0.500 g
June 6, 2014

wdwd
least positive value of csc(4 theta +3) sin( 5 theta - 6) =1
June 6, 2014

algebra
Find the product. -3m (m + 8)
June 6, 2014

Math
5x^2 + 6 - 4x + 9x^2 + 17x 5x^2 + 9x^2 are like terms. -4x + 17x are like terms. Combine those like terms. So: 14x^2 + 13x + 6 Same applies with the second expression.
June 6, 2014

Math
It looks like all you have to do is combine like terms and right them in standard form, from largest variables to smallest, ex. 4x^2 + 3x - 3.
June 6, 2014

Math
14x^2 + 13x + 6 And -4x^2 + 2x + 3
June 6, 2014

Math
A 25-foot ladder stands against a vertical wall at an angle of n degrees with the ground. If sin n = 4 / 5, how far is the base of the ladder from the wall? A. 12 B. 13 C. 14 D. 15 E. 16
June 6, 2014

Algebra
If Tom Bombadil's house is 12 miles east of Hobbiton and 16 miles south, what is the straight line distance (omit units) Where do I start ?
June 6, 2014

maths
Show the jumps of five in counting from one to hundreds.
June 6, 2014

Algebra
Simplify (x+3/x^2 -36/x+3) / (x+3/x)
June 5, 2014

Algebra
How did I approach this problem ? You are offered two different sales jobs. The first company offers a straight commission of 3% of the sales. The second company offers a salary of $ 420 per week plus 2% of the sales. How much would you have to sell in a week in order for the ...
June 5, 2014

Algebra
Thank You.. However I entered this in my online homework and the computer said it was incorrect. It said that I should be entering a LIST of numbers but I am not sure what they mean by that
June 5, 2014

Algebra
How did I approach this problem ? You are offered two different sales jobs. The first company offers a straight commission of 3% of the sales. The second company offers a salary of $ 420 per week plus 2% of the sales. How much would you have to sell in a week in order for the ...
June 5, 2014

grammar
Which is correct? apostrophe "s" or no??? Sam wanting to rule the country sparks great controversy. or Sam's wanting to rule the country sparks great controversy.
June 5, 2014

English
Which sentence uses lie or lay correctly? (1 point) Please lay your pencil on top of your notebook.<---- On Sunday afternoons I often lay down for a nap. Just lie those newspapers on the kitchen counter. Last night I lay in bed for hours before I fell asleep.
June 5, 2014

Biology
What are the similarities between virus and retrovirus?
June 5, 2014

biology
What are the similarities between capsid and prion?
June 5, 2014

biology
What are the similarities between Prion and virus?
June 5, 2014

Measurment
Can you tell me the measurements of the cylinder? I can tell you how to do this though. To find the area of the two circles, use the formula a= 3.14r^2 then multiply it by two. then find the circumference using the formula c=2*3.14r. next multiply the circumference by the ...
June 5, 2014

math Study guide
I need help. I got all of these questions out of 50 wrong. 6-10 were not given. 1. Which of the following is an example of independent events? A-rolling a number cube and flipping a coin B-drawing marbles from a bag without replacement after each draw C-choosing members of a ...
June 5, 2014

Math
This question has two parts. Danielle's phone plan charges her $30 per month for the first 200 minutes and then $0.10 per minute for each subsequent minute. 1. Which of the following functions takes an input of any whole number value of x is greater than or equal to 200 ...
June 5, 2014

English
Which of the following organizational patterns would be most effective for writing about the benefits of continuing government assistance for the U.S. space program? (1 point) chronological order order of importance compare and contrast argument and support<----
June 5, 2014

English
A local chamber of commerce is publishing a pamphlet. Its purpose is to encourage tourists to visit the area. Data provided by the state tourism office shows that campers tend to like this area of the state. Based on this data, what is the most important information to include...
June 5, 2014

English
Which line from the poem contains an example of onomatopoeia? (1 point) A. The Sea murmurs sleepily in the cool morning dawn.<----- B.Like glittering fish at the water's edge. C. Surfers in wetsuits paddle through low waves, D. Searching for shells and other treasures.
June 5, 2014

English
Have nearly*
June 5, 2014

English
Which words nearly opposite meanings? A.finished, responded<---- B.indifferent, excited C.lingering, invited D.sorry, available
June 5, 2014

MATH
Write the quadratic function in standard form (if necessary) and sketch its graph. Identify the vertex h(x)=x^2-9
June 5, 2014

Math
Thank you very much, Steve.
June 5, 2014

Math
Can you show me how to solve it, please.
June 5, 2014

Math
Jane ran around the perimeter of a rectangular park at a constant rate of 10 feet per second. The park has an area of 67,500 square feet, and its length is exactly three times its width. For how many seconds did Jane run? F. 60 G. 120 H. 240 J. 360 K. 480
June 5, 2014

Chemistry
X-RAY DIFFRACTION OF AN UNKNOWN METAL, MIGHT BE DANGEROUS (10/10 points) Last week you and a friend started an experiment to obtain the X-ray diffraction peaks of an unknown metal. Through these diffraction peaks you wanted to determine: (a) whether the cell is SC, BCC, or FCC...
June 4, 2014

Science
What are the personal, societal, and scientific implications of alpha-1 antitrypsin deficiency? I googled, but couldn't find any info on this????? please help!!!!!!!!!!1
June 4, 2014

physics
A 49-g bullet traveling at 290m/s penetrates a block of ice at 0∘C and comes to rest within the ice.Assuming that the temperature of the bullet doesn't change appreciably, how much ice is melted as a result of the collision? The heat of fusion of water is 333 kJ/kg.
June 4, 2014

physics
When a 310-g piece of iron at 180∘C is placed in a 95-g aluminum calorimeter cup containing 250 g of liquid at 10∘C, the final temperature is observed to be 32∘C. The value of specific heat for iron is 450 J/kg⋅C∘, and for aluminum is 900 J/kg&#...
June 4, 2014

physics
The value of specific heat for copper is 390 J/kg⋅C∘, for aluminun is 900 J/kg⋅C∘, and for water is 4186 J/kg⋅C∘.What will be the equilibrium temperature when a 275g block of copper at 255∘C is placed in a 145g aluminum calorimeter cup...
June 4, 2014

physics
An automobile cooling system holds 16 L of water. The specific heat of water is 4186 J/kg⋅C∘.How much heat does it absorb if its temperature rises from 16∘C to 94∘C?
June 4, 2014

physics
A certain power plant puts out 520MW of electric power.Estimate the heat discharged per second, assuming that the plant has an efficiency of 34%
June 4, 2014

physics
How much heat (in joules) is required to raise the temperature of 39.0kg of water from 25∘C to 95∘C? The specific heat of water is 4186 J/kg⋅C∘.
June 4, 2014

physics
The exhaust temperature of a heat engine is 250∘C .What must be the high temperature if the Carnot efficiency is to be 35% ?
June 4, 2014

Physics
A football player punts the ball at a 45.0o angle. Without an effect from the wind, the ball would travel 60.0 m horizontally. (a) What is the initial speed of the ball? (b) When the ball is near its maximum height it experiences a brief gust of wind that reduces its ...
June 4, 2014

Math
A polygon is a __ dimensional figure with ___ or more sides. A regular polygon has equal ____ lengths and equal ____ measures
June 4, 2014

Precalculus
1. permutation or combination: how many schedules are possible if you need to choose 5 events out of 20 for a vacation? Is it permutation?? Answer is 1860480? 2. a. How many area codes are possible ( the 3 digit number can't start with a 0)? 504? b. How many area codes ...
June 4, 2014

science
All living things must carry out certain functions and possess certain structures to survive, grow, and reproduce. The following chart illustrates how humans possess certain structures to carry out these critical functions. Fill in the plant structures that correspond to the ...
June 4, 2014

MATH PLZ HELP
oh, thankyou:)
June 4, 2014

MATH PLZ HELP
I said one friend. not all of us combined I also said that one person steals a cookie every 15 min. srry for the confusion
June 4, 2014

MATH PLZ HELP
there are 3 friends staying at my house. forgot that piece of info.
June 4, 2014

MATH PLZ HELP
I baked two dozen cookies (24)for my friends. After they came out of the oven at 2:00, I wait for them to cool. When playing video games, one friend says he needs to use the bathroom. he instead goes to the kitchen and steals one cookie. To have an excuse for going to the ...
June 4, 2014

science
As part of their job, meteorologists use data to make weather predictions. How accurate are their predictions? What are other scenarios in which you would use data to make a prediction? How would you defend your prediction using data? can you please tell me in your perspective?
June 4, 2014

english
i think its b or c
June 4, 2014

english
Originating in Bohemia
June 4, 2014

Pages: <<Prev | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | Next>>

Search
Members