Tuesday

September 2, 2014

September 2, 2014

Total # Posts: 70,043

**maths**

how do you decide how many boxes to draw when you split an amount of money using ratio?
*June 10, 2014*

**math**

About how tall is a tower i f the angle of depression from its top to a point 75 metres from the base is 62 degrees?
*June 10, 2014*

**Civics**

I apologize for the error in my question. It's "socialist direct democracy" which would directly influence the economy. Thoughts Ms. Sue??
*June 10, 2014*

**Civics**

Would it be possible to have a social direct democracy? -No, in a socialist society only a few high-ranking member of the communist party have political power. -No, a direct democracy requires a free market economy which is not socialist. -Yes, if everyone voted on economic ...
*June 10, 2014*

**calculus**

A parabola ,f, intersect the x axis at A and B and the y axis at C. The axis of symmetry of the parabola has the equation x=-3.The line through A and C has the equation g(x)=x+7. Determine the coordinates of A,B and C
*June 10, 2014*

**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*

**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*

**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*

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