Tuesday
September 30, 2014

Posts by ANONYMOUS


Total # Posts: 71,406

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

english
Which term best describes the underlined words? Originating in Bohemia, the polka was first developed around 1830. A. infinitive phrase B. participial phrase C. gerund phrase
June 4, 2014

Math
28 - 12 = 16 16 / 12 = 4 / 3 or 4:3 C.
June 4, 2014

Math
Thank you so much, Damon.
June 4, 2014

Math
If pq = 3, then p^3q^4 + p^4q^5 = A. 12q B. 7p + 9q C. 12p + 20q D. 96p E. 108q
June 4, 2014

accountancy
1067
June 4, 2014

physics
What is the kinetic energy of a 19 kg dog that is running at a speed of 7.7 m/s (about 17 mi/h)?
June 4, 2014

Math
Thank you very much :).
June 4, 2014

Math
A bag contains 7 black socks, 12 white socks, and 17 red socks. If you pick one sock at random from the bag, what is the probability that it will NOT be white? A. 1/2 B. 2 / 3 C. 3 / 4 D. 7 / 12 E. 7 / 36
June 4, 2014

Geometry
what is it?
June 4, 2014

Trig
Find the coterminal angles: one positive one negative angle. 55° and (9(3.14)/5) answer degrees in radians and radians in degrees
June 4, 2014

Math
Thank you Steve.
June 4, 2014

Math
tan0 and sin0
June 4, 2014

Math
If tanè = 4 / 3, then sinè = F. 3 / 4 G. 3 / 5 H. 4 / 5 J. 5 / 3 K. 5 / 4
June 4, 2014

math
Find the total number of compounding periods and interest rate per period.  Princial: $700, time period :8yrs , nomial rate: 1.5%, interest compounding :monthly, copounding amount________, compound interest_______  * i need to figure outhe compounding amount & ...
June 4, 2014

assessment
What statistical technique is often used to calculate an estimate of reliability?
June 4, 2014

MATH
Solve the fractional equation 3x/2+1/4(x-2)=10
June 4, 2014

trig angle of elevation
The eyes of a basket ball player are 6 feet above the floor. He is at the free-throw line, which is 15 feet from the center of the basket rim. The center of the rim is 10 feet above the floor Before shooting the player decides to step back a few steps. His angle of elevation ...
June 4, 2014

Math please help
Solve the equation x^2/5 + x^1/5 -6=0
June 4, 2014

Algebra
Solve the equation 6(1/x)^2-7(1/x)+2=0
June 4, 2014

Algebra
Solve the equation x^2/5 + x^1/5 -6=0
June 3, 2014

chemistry
What is the molarity of a 28.9 g of CaCl2 dissolved in water to make up 0.78L of solution?
June 3, 2014

Math
Find the total number of compounding periods and interest rate per period. Terms investment: 6years, nomial rate: 18%, interest compounding :monthly, compounding period________, rate per period %_______ * i need to figure out the compounding period & rate per period%
June 3, 2014

MATH
Is the equation identity or conditional? 3(x+2)=3x+6 3(x+4)=3x+4
June 3, 2014

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