Monday

January 26, 2015

January 26, 2015

Total # Posts: 625

**Algebra**

If a stone is tossed from the top of a 290 meter building, the height of the stone as a function of time is given by h(t) = -9.8t2 – 10t + 290, where t is in seconds, and height is in meters. After how many seconds will the stone hit the ground? Round to the nearest ...
*July 1, 2011*

**Algebra**

Use the discriminant to determine whether the following equations have solutions that are: two different rational solutions; two different irrational solutions; exactly one rational solution; or two different imaginary solutions. x2 = 3x – 6
*June 29, 2011*

**algebra**

if the length of a triangle is 31 find a new parameter if the width is 5 less than one half the length
*June 16, 2011*

**computer science**

Input a list of positive numbers (terminated by 0) into an array, find the mean (average) of the numbers in the array, and output the result. Use a subprogram to input the numbers, a function to find the mean, and a subprogram to output the result.
*June 16, 2011*

**Algebra**

write an equation of the line containing the given point and parallel to the given line (2,-4); 8x-3y=2 the equation of the line is y=
*June 14, 2011*

**Algebra**

the formula I'm suppose to be using is y-y1=m(x-x1) m=4/5 (7,-8) I don't understand your answer
*June 14, 2011*

**Algebra**

Find an equation of the line having the given slope and containing the given point. M=4/5, (7,-8) I can totally due the equation y+8=4/5x-28/5 but keep getting the answer wrong. I cannot figure out how subtracting 8 they get the answer y=4/5x-68/5 PLEASE HELP!
*June 14, 2011*

**statistics**

A researcher wants to estimate the average time (in minutes) spent in a car daily. This will be done by randomly surveying 300 individuals and calculating the sample mean. Find the probability that the estimate will be in error by less than 5 minutes. Assume that the ...
*June 13, 2011*

**Chemistry**

If the reaction below proceeds with a 96.8% yield, how many kilograms of CaSO4 are formed when 5.91 kg SO2 reacts with an excess of CaCO3 and O2? 2 CaCO3(s) + 2 SO2(g) + O2(g) → 2 CaSO4(g) + 2 CO2(g)
*June 5, 2011*

**American Government**

The president's constitutional roles,such as chief executive and commander-in-chief:
*June 2, 2011*

**calculus**

I need help with this calculus problem. H(S)=S/(1+S) If F 1/2, -1/2 & (a+1)? I can't figure out what this mean /?
*May 30, 2011*

**Com/155**

Does this look better? I was extremely irresponsible in my younger years. I was not fully educated with credit card debt. The debt added up much faster than expected. The interest rates were extremely high. The financial class has helped me fully understand my finances. With ...
*May 28, 2011*

**Com/155**

I am so confused. Is this correct? extremely, extremely, fully, sparingly = adverb younger, credit, card,much, faster, interest, financial, important, credit = Adjective
*May 28, 2011*

**Com/155**

extremely, extremely, fully, sparingly = Adj younger, credit, much, faster, interest, financial, important, credit = Adv
*May 28, 2011*

**Com/155**

Can some one check these for correct advebs and adjectives. I was extremely irresponsible in my younger years. I was not fully educated with credit card debt. The debt added up much faster than expected. The interest rates were extremely high. The financial class has helped me...
*May 28, 2011*

**Math**

156 x 29/39 x 1/16
*May 25, 2011*

**Math**

Thank-You
*May 25, 2011*

**Math**

3/17x=12
*May 25, 2011*

**Math**

I get... .1q-1.5=0.9q-3.2 .1q-1.5-0.9q=0.9q-3.2-0.9q -.8q-1.5+1.5=-3.2+1.5 -.8q=-1.7 -2.125 Just doesn't look right
*May 23, 2011*

**Math**

4.5q-1.5-4.4q=0.9q-3.2
*May 23, 2011*

**physics**

A coil with 210 turns, a radius of 5.2 cm, and a resistance of 11 ohms surrounds a solenoid with 160 turns/cm and a radius of 4.6 cm . The current in the solenoid changes at a constant rate from 0 to 6.4 A in 0.11 s. Calculate the magnitude of the induced current in the coil.
*May 19, 2011*

**pharmacy**

What patient issues might arise when working in an institutional pharmacy setting?
*May 14, 2011*

**Algebra**

-8y+1=-9y+2
*May 5, 2011*

**Math**

Thank You
*May 5, 2011*

**Math**

x + 5/8 = - 1/4
*May 5, 2011*

**Com 155**

To the person who said they should be ashamed: they are not looking for answers, they're just looking for help. No one wrote the answer for them. They just came on here to get a second opinion. This is why people should mind their own business. You have no idea what you&#...
*April 22, 2011*

**accounting**

Would like to start a college fund. It was estimated that the cost for college to be 60,000 per year. How much should be deposit into the account each month for 18 years to accumulate a total of 240,000 @ 12% interest earned.
*April 21, 2011*

**Algebra**

x+1/6=-2/3 solution set?
*April 13, 2011*

**Math**

From an 8 inch by 10 inch rectangular sheet of paper, squares of equal size will be cut from each corner. The flaps will then be folded up to form an open-topped box. Find the maximum possible volume of the box.
*April 9, 2011*

**Chemistry I**

iF THE THEORETICAL YIELD IF A REACTION IS 0.121G AND THE ACTUAL YIELD IS 0.112G WHAT IS THE PERCENT YIELD
*April 9, 2011*

**mythology**

do the ancient myths provide us with any clues to the rise and fall of large companies such as Enron, Exxon and BP.
*April 2, 2011*

**Math**

The length of a rectangle is fixed @ 21 cm, what widths will amke the perimeter greater than 78cm?
*April 1, 2011*

**health**

Why risky sex is a serious matter?
*March 31, 2011*

**Health**

Development of male genitals before birth is due to what?
*March 31, 2011*

**Physics**

Specifically, which of the following best expresses your view: i. Many physics concepts make a lot of sense and connect to everyday experience; but formulas are more of a problem-solving tool than a sense-making tool. ii. It really depends on the formula. Some of them make ...
*March 29, 2011*

**Physics**

According to conservation of momentum, when two objects collide, the momentum lost by one object equals the momentum gained by the other. Give a common-sense, non-mathematical explanation of the connection between Newton’s 3rd law and momentum conservation. In other words...
*March 28, 2011*

**Physics**

Specifically, which of the following best expresses your view: i. Many physics concepts make a lot of sense and connect to everyday experience; but formulas are more of a problem-solving tool than a sense-making tool. ii. It really depends on the formula. Some of them make ...
*March 28, 2011*

**english**

Janet left fingerprints on the glass, the detectives were able to solve the crime
*March 27, 2011*

**Physics**

Specifically, which of the following best expresses your view: i. Many physics concepts make a lot of sense and connect to everyday experience; but formulas are more of a problem-solving tool than a sense-making tool. ii. It really depends on the formula. Some of them make ...
*March 26, 2011*

**Physics**

According to conservation of momentum, when two objects collide, the momentum lost by one object equals the momentum gained by the other. Give a common-sense, non-mathematical explanation of the connection between Newton’s 3rd law and momentum conservation. In other words...
*March 26, 2011*

**Math**

a patch of dirt needs 3 5/6 ft of sod to cover it. If Nick decides to cover only 3/4 of the dirt, how much sod does he need?
*March 24, 2011*

**algebra**

8x^2 + 5x = 15 + 3x
*March 24, 2011*

**History**

Thanks it helped alot. Tammy
*March 23, 2011*

**History**

The evolution of the socio-political milieu during the colonial period, including Protestant Christianity's impact on colonial social life. Can any one give me some insite? Tammy
*March 23, 2011*

**History**

Does anyone know how to create a timeline tracking the major themes/paradigm shifts in American History. I am not sure what the format for a Timeline. Tammy
*March 23, 2011*

**Pre Algebra**

142-187
*March 23, 2011*

**Math**

Yes
*March 21, 2011*

**History**

I know that the Pertains went to the New World and that the colonization was based on freedom of religion and freedom for the people. But I don't know how the Reformation in Great Britain affected the colonies. Tammy
*March 21, 2011*

**History**

How did the Reformation in Great Britain affect the colonization of the New World?
*March 21, 2011*

**math**

None of the choices have the right answer
*March 21, 2011*

**History**

Why was it so difficult for Great Britain to control the New England colonies?
*March 21, 2011*

**History**

How did the Reformation in Great Britain affect the colonization of the New World?
*March 21, 2011*

**maths**

Formalize the following english statements as quantified WFF. Let S(x) be the predicate "x is a student," B(x) the predicate "x is a book," and H(x,y) the predicate "x has y, " where the universe of discourse is the universe, that is the set of ...
*March 21, 2011*

**mythology**

identify a scholarly article that discusses some aspect of the female divine in contemporary culture
*March 20, 2011*

**Maths**

Wonderful, thank you
*March 15, 2011*

**Maths**

Two cyclists depart from the same point. One travels due East at 18km/hr while the other travels North-West at 20km/hr. How long will it be before they are 80km apart?
*March 15, 2011*

**maths**

Thank you so much for all your help you my friend are a legend! Sorry about the mistakes :0
*March 15, 2011*

**maths**

A party of bush walkers have an average speed of 50km/minute and walk for 4 hours on a bearing of 231°T. they then walk for 6(1)/(3) hours on a bearing of 117°T. Find a.How far are they from bas e camp? b. The bearing they must travel along to get to base camp
*March 15, 2011*

**Maths**

Thankyou very much
*March 14, 2011*

**Algebra**

#1 2/11 + (-5/7)
*March 14, 2011*

**Algebra**

Find the area of a rectangle heating-duct grill having a length of 2yd and a width of 17/4yd
*March 14, 2011*

**math**

system of equations can result in 3 possibilities: consistent, inconsistent, and dependent. Discuss each of these types of solution that can be generated, and describe the graph of each possibility.
*March 13, 2011*

**math**

You have just received advertisements from 2 companies in your area: Greener Lawns and Lawns for Less. Greener Lawns charges an initial fee of $200, plus $50 per hour for labor costs. Lawns for Less charge an initial fee of $300, plus $25 per hour for labor costs. 1. If h ...
*March 13, 2011*

**math**

Y/2 + 2 > 7 how do I solve with a fraction?
*March 10, 2011*

**Algebra**

Rewrite using distributive property -7(x-7)
*March 9, 2011*

**Algebra**

19/21 divided by 4 6/7 give estimate anser & exact answer
*March 9, 2011*

**hcs/335 plz help **

Here are some possible answers Age, Mental, Medical and social issues. But most important cost.
*March 2, 2011*

**Math**

Use the distributive property to rewrite this expression, then simplify the new expression if possible; -4(z+3)
*March 2, 2011*

**Algebra**

Thank You
*March 2, 2011*

**Algebra**

write a numerical expression for the phrase & simplify 129 less than -34
*March 2, 2011*

**math**

19.88
*March 2, 2011*

**math**

Use the discriminant to determine whether the following equations have solutions that are: two different rational solutions; two different irrational solutions; exactly one rational solution; or two different imaginary solutions.:x2 = 3x – 6
*February 16, 2011*

**Math**

solve using the substitution method. If the system has no solution or infinite number of solution state this 4x+4y=-36 4x+4y=12
*February 16, 2011*

**Physics**

A ball traveling in a circle with a constant speed of 8 m/s has a centripetal acceleration of 5 m.s^. What is the radius of the circle?
*February 11, 2011*

**statistics**

Given a level of confidence of 95% and a population standard deviation of 14, answer the following: (A) What other information is necessary to find the sample size (n)? (B) Find the Maximum Error of Estimate (E) if n = 78.
*February 10, 2011*

**ALGEBRA...HELP!!!!!!**

Still cant figure this out (8x^3 - 14x^2 - 27x - 9) / (4x + 3)
*February 9, 2011*

**Algebra**

I know to do long division but i still cant figure out how to divide a polynomial by a polynomial
*February 9, 2011*

**Algebra**

(8x^3 - 14x^2 - 27x - 9) / (4x + 3)
*February 9, 2011*

**Math- Statistics**

A random sample of size 36 is to be selected from a population that has a mean μ = 50 and a standard deviation σ of 10. * a. This sample of 36 has a mean value of , which belongs to a sampling distribution. Find the shape of this sampling distribution. * b. Find the ...
*February 8, 2011*

**HISTORY**

What were some of the encounters between Europeans and Native Americans? Consider why Europeans came to the New World, what they expected to find, what they actually found, and how the two sides interacted with each other?
*February 8, 2011*

**Statisic for managers**

Brand new to statistics ,no strong math background please help. Case 6.1 Suppose that you are a contestant on Lets make a deal. Monty has just given you a free trip touring toxic waste sites around the country. He now offers you a trade: Give up the trip in exchange for a ...
*February 5, 2011*

**Statistic **

Case 6.4 Maternal Serum Screening Test for Down syndrome Please keep in mind that I do not have a Math back ground so this is brand new to me and like a foreign language that I have never seen nor heard spoken before. Thank you for your help in advance. Pregnant women are ...
*February 5, 2011*

**Statistic**

Statistic Question: I want to first start out by thanking you for your help and I also want to inform you that I do not have a strong Math back ground and is taking an Accelerated program that included this class of which I do not understand a word of so I really need help ...
*February 3, 2011*

**Algebra**

What is the equation for finding the revenue if you have a pizza selling for $15.00, total cost of $55.00 and labor is $4.00.
*February 2, 2011*

**Finance**

A bond has a 10% coupon rate, a par value of $1,000 and a market price of $800. What is the current yield of this bond?
*January 23, 2011*

**algebra**

The length of an altitude of a triangle is 1/3 the length of the side to which it is drawn. If the area is 6 square cm., then what is the length of the altitude?
*January 6, 2011*

**math **

There is only 1 decimal place in .1, so you would move your decimal point one time to the left. Your answer will be 12.5
*January 6, 2011*

**Math**

I am trying to find out how to find the slope for x+12=y and y-x=-8, and also to find out if they are parellel.
*December 19, 2010*

**finance**

If we invest money for 10 years at 8% interest, compounded semi-annually, we are really investing money for ______ six month periods, during which we receive _______ percent interest each year.
*December 6, 2010*

**math**

simple inteest for a loan with $500 prinical, 10% annual rate and a 2-year time period
*November 30, 2010*

**english**

write two paragraphs how interest rates affect our purchasing decisions underlining the topic in each paragraph
*November 27, 2010*

**0303 math**

Solve the system by the substitution method y=-2x-4 5x-2y=-1
*November 18, 2010*

**math**

I need help with a quiz, it has 30 questions, can you help?
*November 14, 2010*

**chemistry**

benzopinacol and benzopinacolone diferences Because benzopinacol and benzopinacolone have nearly identical melting points, describe (without using spectroscopic methods) how you might prove that samples of the two compounds are different.
*November 8, 2010*

**religion**

what is a religious settlement
*November 7, 2010*

**diversity**

Elements of Classroom Management
*November 5, 2010*

**math**

trying to solve linear equations problem is: x-y-2z=4; -x+2y+z=1, -x+y-3z=11. please help me.
*November 3, 2010*

**Analytical Chemistry**

When BaCl2-H2O (s) is dried in an oven, it loses gaseious water: BaCl2-H2O <--> BaCl2(s) + H2O (g) enthalpy change - 63.11 kJ/mol at 25 degrees C entropy change - +148 J/(K-mol) at 25 degrees C Calculate the vapor pressure of gaseous H2O above BaCl2-H2O at 298K.
*October 25, 2010*

**math**

How are the ideas of subsets and proper subsets used in counting to identify relationship between whole numbers?
*October 23, 2010*

**physics**

How long would it take for a stone to fall 250m traveling at a speed of 10m/s squared?
*October 21, 2010*

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