Saturday

February 13, 2016
Total # Posts: 851

**Math**

If events A and B are independent and P(A) and P(B) are nonzero, explain why P(A U B) does not equal P(A)+ P(B) im not sure how to answer this
*March 25, 2012*

**Trigonometry **

Your altitude is 40,000 feet and you detect a target at a depression angle of 6 degrees and a range of 20 miles. what is the altitude of the target? Draw a picture.
*March 11, 2012*

**Math**

Simplify (x^1y^1)^5
*March 8, 2012*

**Math**

Simplify z-4
*March 8, 2012*

**Algebra**

Thanks
*March 8, 2012*

**Algebra**

combine like terms (simplify) 11/14a-1/15b+1/14a-11/15b
*March 8, 2012*

**Math**

Classify the given number. - 4/9
*March 7, 2012*

**Math**

find the value of expression. 3*45/9-2(10-)-4/2
*March 7, 2012*

**Geometry**

find the perimeter of the trapezoid. L1=9.65yd, L2=9.25yd, L3=10.12yd, L4=6.20yd
*March 7, 2012*

**Geometry**

Can you please explain?
*March 7, 2012*

**Math**

28.26 yd squared
*March 7, 2012*

**Math**

178.3 ydd3
*March 7, 2012*

**Mangerial Economics**

Where Q is the number of cans of tennis balls sold quarterly, P is the wholesale price Wilpen charges for a can of tennis balls, M is the consumers average household income, and Pr is the average price of tennis rackets. The regression results are as follows Dependant Variable...
*March 2, 2012*

**Business English**

Which of the following sentences advocates an idea in a positive way? A. I can't see anyone buying the product at that price. B. The unit is way overpriced. C. Customers can get a better deal anywhere else. D. We can corner the market if we discount the selling price just 5%.
*March 2, 2012*

**math**

also a problem that i cant figure out is how to do inverses of logs f(x)= 2log(base2)X
*March 2, 2012*

**Math**

3ln(b) + 2ln(c) write as a single log. I have tried this problem so many ways. i dont know what to do with the 3 and the 2. do you multiply or use them as exponents or what
*March 2, 2012*

**English**

I want to delete this :S
*March 1, 2012*

**English**

What do you think about my essay? "A little bit longer and I will be fine" “..And you do not know what you got until it is gone, and you do not know what i s like to feel so low...” A quote written by Nick Jonas to express how he felt after being diagnosed ...
*March 1, 2012*

**algebra. help!!**

how do u get 2t?
*February 27, 2012*

**Algebra**

x^2–4 ÷ x^2+5x+6 ____________ ______________ x^2 + 3x – 10 x^2 + 8x + 15
*February 25, 2012*

**Algebra**

Thank you Steve.
*February 19, 2012*

**Algebra**

Factor 12x^2(x-1)-4x(x-1)-5(x-1) and show work.
*February 19, 2012*

**math**

to solve this problem, you would simply add the exponent of 13 from both tens since you are multiplying the exponents together. the answer would be 10 to the 26th power.
*February 17, 2012*

**Math**

Thanks a bunch
*February 17, 2012*

**Math **

Find an equation of the line containing the points (-6,19) and (-15,28)
*February 17, 2012*

**math**

If y=8(5)^x then write ln y as a linear function of x I dont know how to do this.??
*February 15, 2012*

**algebra**

because, x2 - x1 will always equal zero and you cant divide a number by 0
*February 15, 2012*

**math**

about 2826....
*February 15, 2012*

**Math**

what do you do when you have log on the side with y. for example logy= .120387x + .4771 How do you solve for y?
*February 13, 2012*

**algebra**

Find all integers b so that the trinomial 3x^2 +bx + 2 can be factored.
*February 11, 2012*

**math**

i had cards to write, i wrote 1 third of cards on monday, 2 eighths on tuesday, 1 sixth on wednesday and wrote the remaining 27 cards on thursday. how many cards did i write?
*January 30, 2012*

**math**

what would be the numerator of a fraction that is equivalent to 5/8 and has a denominator of 48?
*January 26, 2012*

**chemistry**

Calculate the number of moles of each ion in 10.5 mL of 0.205 M cadmium phosphate solution.
*January 22, 2012*

**Chemistry**

A sample of Manganese (II) Chloride has a mass of 19.8 grams before heating, and 12.6 grams after heating until all the water is driven out. Based on this information, how many water molecules were attached to each molecule of Manganese (II) Chloride?
*January 22, 2012*

**Chemistry**

How many moles of atoms are in one mole of AlPO4?
*January 22, 2012*

**physics**

A block of ice at 0 degree celsius is placed in a room whose temperature is also 0 degree Celsius explain what will happen?
*January 13, 2012*

**Cosine question**

cos theta= .5 2cos theta= .5 how do you do this?
*January 9, 2012*

**Chemistry**

THANK YOU!
*January 8, 2012*

**Chemistry**

PLEASE HELP! What is the mass of 1.50x10^-2 mol of (NHv4)v2SOv4? v=subscript
*January 8, 2012*

**statistics**

Assume the monthly rainfall in a certain state is normally distributed with a mean of 2.85 inches and a standard deviation of .2 inches: a) probability that in any given month there is between 2.7 and 2.9 inches of rainfall b) probability that in any given month there is more ...
*December 14, 2011*

**english**

can you give me those similarities and differences of africa and asia?? please reply ASAP. thnx.. :)
*December 10, 2011*

**calculus**

Find the critical number of g(t)=(t^2)/(5t+4)
*December 9, 2011*

**chemistry**

is the answer 1.29888 moles?
*December 5, 2011*

**chemistry**

A 116.9 g sample of nitric acid solution that is 70.0% HNO3 (by mass) contains how many moles of HNO3? how did you get the answer
*December 5, 2011*

**CHEMISTRY**

is the answer 1.29888 moles?
*December 5, 2011*

**CHEMISTRY **

A 116.9 g sample of nitric acid solution that is 70.0% HNO3 contains how many moles of HNO3? how did you get the answer
*December 5, 2011*

**chemistry**

A 116.9 g sample of nitric acid solution that is 70.0% HNO3 contains how many moles of HNO3? how did you get the answer
*December 5, 2011*

**physics**

it takes a maximum force of 460 N to move a 125 kg crate. What is the coefficient of the maximum static friction between the crate and the floor?
*November 29, 2011*

**Physics**

Charlie takes his 6000 kg avalanche truck and runs it into Jill's 2003 Chevy Trailblazer. If Jill's truck is red, how does the force acting on Charlie's truck compare to the force acting on Jill's truck?
*November 29, 2011*

**Physics**

Charlie takes his 6000 kg avalanche truck and runs it into Jill's 2003 Chevy Trailblazer. If Jill's truck is red, how does the force acting on Charlie's truck compare to the force acting on Jill's truck?
*November 29, 2011*

**Physics**

Charlie takes his 6000 kg avalanche truck and runs it into Jill's 2003 Chevy Trailblazer. If Jill's truck is red, how does the force acting on Charlie's truck compare to the force acting on Jill's truck?
*November 29, 2011*

**Physics**

Charlie takes his 6000 kg avalanche truck and runs it into Jill's 2003 Chevy Trailblazer. If Jill's truck is red, how does the force acting on Charlie's truck compare to the force acting on Jill's truck?
*November 29, 2011*

**physics**

it takes a maximum force of 460 N to move a 125 kg crate. What is the coefficient of the maximum static friction between the crate and the floor?
*November 29, 2011*

**physics**

it takes a maximum force of 460 N to move a 125 kg crate. What is the coefficient of the maximum static friction between the crate and the floor?
*November 29, 2011*

**physics**

it takes a maximum force of 460 N to move a 125 kg crate. What is the coefficient of the maximum static friction between the crate and the floor?
*November 29, 2011*

**Math**

I have an Invoice in the amount of $191.00 How do I compute tax @6% of this invoice?
*November 23, 2011*

**geometry**

the degree measure of angle A is represented by 2x-20 and the degree measure of angle B by 2x. Find the value of x, measure of angle A and B.
*November 15, 2011*

**science-biology**

why do we study the human organ system?
*November 5, 2011*

**Physics**

A tire contains air at a pressure of 2 bar at 15 degrees Celsius. If the tires volume is unchanged, what will the air pressure in it be when the tire warms up to 40 degrees Celsius as the car is driven?
*November 2, 2011*

**Physical Sciene**

A cannon is fired horizontally from a top of a 15-m platform. What is the cannon balls horizontal speed when it hits the ground 250 m downrange?
*November 1, 2011*

**CRIMINAL JUSTICE**

If a person that was standing at a bus stop was arrested for failure to provide identification in the state of virginia and after arrrest found that person is an illegal alien, is this a felony or misdeameanor? and what the bond amount or fine be?
*October 30, 2011*

**library science **

What are the differences of AACR2 and Dublin Core Metadata Set?
*October 27, 2011*

**Business English**

Buying time with limited agreement is a useful strategy when you: A. Have too much work to do. B. Cannot think of anything to say. C. Want to avoid escalating a conflict but do not agree with other person D. Know that the presenting problem is not the real problem but do not ...
*October 23, 2011*

**Business English**

Which of the following is a characteristic of communication in high context cultures? A. Written agreements are binding? B. There is reliance on nonverbal signs to communicate. C. Oral agreements are not binding. D. There is preference for direct communication
*October 23, 2011*

**Business English**

Okay after reading again Iam saying the answer is C
*October 23, 2011*

**Business English**

What is the best reason to omit the reason for the refusal in a negative message? A. The reader may not think of the reason. B. The reason reflects poorly on the company. C. The reason benefits the reader, but not the writer. D. The reason is watertight.
*October 23, 2011*

**PROBLEM SOLVING IN MATHEMATICS**

149 degrees
*October 18, 2011*

**physics**

The leg and cast weigh 200 N, with the center of mass as indicated by the blue arrow in the diagram. The counterbalance w1 weighs 105 N. Determine the weight w2 and the angle α needed so that no force is exerted on the hip joint by the leg plus cast.
*October 12, 2011*

**mathematics**

x^2/x^2-y^2 / x+y/x-y / (x/x+y)^2
*October 12, 2011*

**Statistics**

The mean graduation time is 5 years with a standard deviation of 6 months for the Monte Carlo College, in which the graduation time is related to the grade of the students. The class size is normally 40. Calculate how many students may graduate by the end of the fourth year. ...
*October 12, 2011*

**mathematics**

1. 3/(x+2)+4/(x-5)=2/3 2. 5/(3x+8)=4/(3x-8)
*October 8, 2011*

**mathematics**

5/2x+7=4/2x-7
*October 7, 2011*

**mathematics**

YES.
*October 7, 2011*

**mathematics**

x^2+8x+15/x^2+x+3
*October 7, 2011*

**mathematics**

OK. THANK YOU.
*October 7, 2011*

**mathematics**

2/x+3=3/x-5
*October 7, 2011*

**mathematics**

2/x+3=3/x-2
*October 7, 2011*

**Business English**

When writing informative and positive messages, you should include reader benefits when: A. the reader's attitude toward the information doesn't matter. B. you are presenting policies. C. Stressing benefits may make the reader sound selfish. D. you are presenting ...
*October 6, 2011*

**Business English**

Thanks
*October 6, 2011*

**Business English**

When you grant a customer's request for an adjusted price, discount, replacement, or other benefit to resolve a complaint, do so: A. After you explain your own process in making the decision. B. In the first sentence of the letter. C. In the middle of the letter, to ...
*October 6, 2011*

**Business english**

A. Stress that the reader is welcome to call you anytime if more information is needed. B. Refer to your company's future relationishp with the reader's organization. C. Mention your company's reputation in the field to reassure the client that dealing with your ...
*October 6, 2011*

**Business english**

Which is an effective strategy for ending an informative letter to a new client?
*October 6, 2011*

**Business English**

Which of the following would be classified as an informative or positive message? a) A request for information b) An announcement of a policy that reduces benefits c) A memo for the file recording actions and rationales d) A letter to an employer announcing you have accepted ...
*October 2, 2011*

**Business English**

When brainstorming, you obviously want good ideas. Researchers, managers, and inventors say that it is a good idea to do all of the following except: a. relax b. play music c. laugh d. stress out
*September 28, 2011*

**Business English**

The appearance of a document can do all of the following except: a. establish rapport with the audience. b. guide your readers' attention. c. substitute for the written text in the document. d. build goodwill
*September 28, 2011*

**Business English**

which is a sound recommendation for creating a professional business document? a. Use color to highlight small points that would otherwise go unnoticed. b. Use as many highlighting and decorative devises are possible to make the document look busy. c. analyze your audience ...
*September 28, 2011*

**Business Englisg**

which is a sound recommendation for creating a professional business document
*September 28, 2011*

**Business Englisg**

Ms. Sue answer did not help!
*September 28, 2011*

**Business Englisg**

which is a sound recommendation for creating a professional business document
*September 28, 2011*

**Business communication**

which of the following is not one of the three steps to take when audience benefits are hard to identify or develop? a. Identify the feelings, fears, and needs that may motivate your audience. b. Identify the objective features of your product or policy that could meet the ...
*September 26, 2011*

**Math**

a technician draws 10 cc of a patients blood to be tested for cholesterol and for red blood cells. identify a.the sample b.the population c. the variable being studied i attempted but im not sure if its right...i said a) the 10 cc of blood b) the patients blood c)the blood is ...
*September 20, 2011*

**standard deviation **

if the standard deviation of a set of n numbers is y what is the varience of the set? i need help!
*September 20, 2011*

**math**

can the mean and median ever be the same?
*September 20, 2011*

**algebra**

Simplify. Remember to use absolute-value notation when necessary. If a root cannot be simplified, state this 4√(7b)4
*September 20, 2011*

**US History**

What was Jackson's basic view of of the Native Americans living in the American Southeast.
*September 13, 2011*

**3rd grade math**

i dont know
*September 11, 2011*

**math**

thanks.. :)
*September 9, 2011*

**math**

application of the laws of exponent. show different ways of simplifying each of the following expression. answer the question that follow. 1. 2^5 * 2^4 2. x^4 * x^7 3. (3^2)^3 4. (m^4)^5 5. (5^3 * 2^2)^2 1. how did you simplify each expression above? 2. what do you think would...
*September 9, 2011*

**math**

application of the laws of exponent show different ways of simplifying each of the following expression. answer the question that follow. 1. 2^5 * 2^4 2. x^4 * x^7 3. (3^2)^3 4. (m^4)^5 5. (5^3 * 2^2)^2 6. (a^4 * b^2)^5 7. (3x^5)^3 8. 7^4/7^2 9. x^5/x^8 10. 12m^9/4m^5 11. (3/4...
*September 8, 2011*

**Accounting **

At the beginning of the year, Keller Company's liabilities equal $60,000. During the year, assets increased by $80,000, and at year-end assets equal $180,000. Liabilities decrease $10,000 during the year. What are the beginning and ending amount of equity?
*August 16, 2011*