Saturday

February 28, 2015

February 28, 2015

Total # Posts: 397

**Physics**

thanks
*June 23, 2013*

**Physics**

You are given vectors A = 5.0i - 6.5j & B = -3.5i + 7.0j. A third vector C lies on the xy-plane. Vector C is perpendicular to vector A, & the scalar product of C with B is 15.0. From this information, find the components of vector C.
*June 23, 2013*

**Biostatistics**

Suppose 2 rats die in the first 4hours. What is the probability that 2 or fewer rats will die in the next 4 hours.
*June 8, 2013*

**Biostatistics**

Test the potency of a drug on 20 rats. Previous animal show that a 10-mg dose of drug is lethal 5% of the time within 1st 4 hours; of the animals alive at 4 hours, 10% will die in the next 4 hours. What is the probability that 3 or more rats will die in the first 4 hours.
*June 8, 2013*

**PHL458**

Please!!!! He really confuse me now. Your project is approved. Submit it informally to the Assignments forum ('informally' means with a Cover page and then a request with the statement of the topic.
*May 31, 2013*

**PHL458**

ok. I got approved for the topic
*May 31, 2013*

**PHL458**

ok. Thank
*May 31, 2013*

**PHL458**

Ok. This is what I did so far. Should Marijuana be legalized for Medicinal Purposes? I. The issue a. Medical Marijuana II. Why it is an issue and not a problem a. According to Ruggiero (2009), "the matter involved tends to arouse partisan feelings and to divide informed, ...
*May 31, 2013*

**PHL458**

Pick Federal Government should legalize use of medical marijuana
*May 31, 2013*

**PHL458**

Don't really understand what the teacher want. Can you help me get a better understanding. Evaluating and Refining Resolutions Presentation (Preparation) Search for societal issues and pick one issue you would like to resolve. Obtain faculty approval of your issue. Express...
*May 31, 2013*

**English 10**

loaded words?
*May 28, 2013*

**Psychology**

Hi Ms Sue This is an example of what my exam question will be.
*May 24, 2013*

**Psychology**

Please help in answering the questions below, this is the extract. Jamal is a 27 year old male who presented with some difficulties in his life. His main presenting concern was related to problems with alcohol and illicit drugs. He has reportedly had a long standing history of...
*May 24, 2013*

**business communication**

What suggestions would you offer a new employee to help them effectively communicate with your team and/or teams in your workplace when meeting face-to-face, sending an e-mail, and during a team meeting?
*April 15, 2013*

**business communication**

This is what add to your answer. what do you think about?The most effective communication involves complete thoughts and communicating them to the reader or listener. If I am able to get my thoughts and communicating to them, I won’t be misunderstood and my reader and ...
*April 15, 2013*

**business communication**

The do you think about this. The most important feature in communication is the body especially eye contact and facial expressions. By trying to get a message across to certain people can be difficult. Being able to read their nonverbal response from the receiver of the ...
*April 15, 2013*

**business communication**

What do you consider to be the most important features of an effective communication? Explain your choices
*April 15, 2013*

**Psychology**

Good day , please can you assist me with answering the following questions. There is a short paragraph describing a young man who has OCD symptoms. the questions are as follows "According to the DSM -IV diagnostic categories what diagnosis might you give Thabo, justify ...
*April 12, 2013*

**accounting**

Jan Nab is the sole owner of Deer Park, a public camping ground near the Lake Mead National Recreation Area. Jan has compiled the following financial information as of December 31, 2010. Revenues during 2010—camping fees $140,000 Market value of equipment $140,000 ...
*April 9, 2013*

**math**

a spherical hailstone is losing mass by melting uniformly over its surface as it falls. At a certain time, its radius is 2 cm and its volume is decreasing at the rate of o.1 cm^3/s. How fast is the radius decreasing at the time?
*March 25, 2013*

**math**

Money is invested in a savings account at 3.4% simple interest. After 1 year, there is $1695.76 in the account. How much was originally invested?
*February 26, 2013*

**math**

the second angle of a triangle is twice the first angle. The third angle is five more than four times the first angle.Find the measure of the second angle.
*February 26, 2013*

**math**

oh sorry didn't realize i posted it twice
*February 20, 2013*

**math**

how would i do that??
*February 20, 2013*

**math**

a boy travels 15 km due north,then goes 9 km due east,then 3km due south.how far is he from his starting point find the distance the boat would have traveled if it had gone directly from point p to point t
*February 20, 2013*

**math**

thank you
*February 20, 2013*

**math **

a boat starts at point a p travels 15 miles due north to point r then turns due east and travels 8 more miles to the dock at point t find the distance the boat would have traveled if it had gone directly from point p to point t
*February 20, 2013*

**Chemistry**

If the equilibrium concentrations are [PCl5] = 1.0M, [Cl2] = 0.10M, what is the equilibrium constant value? PCl5(g) <---> PCl3(g) + Cl2(g) Would you mind showing the calculations Please. I've been working on this problem over an hour now. Not certain if I am working ...
*January 20, 2013*

**Math**

Diana has 520 yards of fencing to enclose a rectangular area. Find the dimensions of the rectangle that maximize the enclosed area. What is the maximum area?
*December 4, 2012*

**Early Childhood**

Describe nine elements of daily structure recommended for any early childhood program.
*December 3, 2012*

**solid mensuration**

Find the area of a segment of a circle whose diameter is 16 cm & the central angle measures 80 degrees. Please include solution. Thanks.
*December 1, 2012*

**solid mensuration**

Find the area of a cyclic quadrilateral whose 2 sides measure 4 & 5 units, & whose diagonal coincides with a diameter of the circle. Suppose the radius of the circumscribing circle is 2 sq.root of 3 units. Please include solution. Thanks.
*December 1, 2012*

**solid mensuration**

A circle has an area equal to 25 pi sq.cm. Its diameter AB coincides with one of the sides of triangle ACB in which the vertex C lies on the circle. If the triangle has an area equal to 11 sq.cm, find its perimeter. Please include solution. Thanks.
*December 1, 2012*

**solid mensuration**

Find the area of a portion of a semicircle of radius 15 m that is outside the area of an inscribed square if the base of the square lies on the diameter of the semicircle. Please include solution. Thanks.
*December 1, 2012*

**solid mensuration**

Two perpendicular chords divide a circle with a radius of 13 cm into 4 parts. If the perpendicular distances of both chords are 5 cm each from the center of the circle, find the area of the smallest part. Please include solution. Thanks.
*December 1, 2012*

**solid mensuration**

Determine the area of the segment of a circle if the length of the chord is 15 inches & located 5 inches from the center of the circle.
*December 1, 2012*

**algebra**

Simplify 3x to the 4th times yto the 5th over9xy toto the7th all in parenthesis
*November 28, 2012*

**chemistry**

Find the mass in grams of 1.01 mol TiO2 A. 0.806 g TiO2 B. 80.67 g TiO2 C. 8.06 g TiO2 D. 806.7 g TiO2 B
*November 11, 2012*

**chemistry**

How many moles are in 24.0 g KCl? A. 3.22 mol B. .32 mol C. 0.322 mol D. 32.2 mol C
*November 11, 2012*

**chemistry**

How many grams are in 1.50 mol H2SO4? A. 14.7 g B. 1.47 g C. 0.147 g D. 147.2 g D
*November 11, 2012*

**chemistry**

Calculate the number of moles in 75.0 g of oxygen gas. A. 2.34 mol O2 B. 4.69 mol O2 C. 750 mol O2 D. 12.5 × 1023 mol O2 B
*November 11, 2012*

**chemistry**

Calculate the mass in grams of 2.50 mol iron(II) hydroxide. A. 29.5 g Fe(OH)2 B. 184.5 g Fe(OH)2 C. 225 g Fe(OH)2 D. 3.38 x 10-2 g Fe(OH)2 C
*November 11, 2012*

**chemistry**

Find the number of moles in 85 g KCl. A. 3.3 mol KCl B. 1.1 mol KCl C. 11 mol KCl D. 2.5 mol KCl B
*November 11, 2012*

**math**

BILL IS 18
*November 6, 2012*

**Culturally Diverse Background**

For childern who are learning English as a second language context embedded activities enhance
*November 4, 2012*

**calc**

how would i find the derivative of these? f(x)=ln((√x)+1) and f(x)=ln(x+1/x-1) thank u!!
*October 30, 2012*

**language art**

what topic can i write about on national news?
*October 16, 2012*

**grammer**

Explain what is wrong with the following sentence and revise as needed to correct the problem: “I saw mountains of uncollected trash walking along the city streets.”
*October 14, 2012*

**grammer**

Explain what is wrong with the following sentence and make any corrections if necessary: “Neither the mouse nor the rats could find its way through the maze
*October 14, 2012*

**grammer**

Identify which of the two sentences below contains a verb agreement error. Then, explain how to correct the problem. a. Among the guests was a private detective. b. Neither of those mattresses feel comfortable
*October 14, 2012*

**english**

Explain what is wrong with the following sentence and revise as needed to correct the problem: “I saw mountains of uncollected trash walking along the city streets.”
*October 13, 2012*

**english**

5. Identify which of the two sentences below contains a verb agreement error. Then, explain how to correct the problem. a. Among the guests was a private detective. b. Neither of those mattresses feel comfortable
*October 13, 2012*

**trigonometry**

simpler than napier's analogies...?
*October 12, 2012*

**trigonometry**

Instead of using napier's analogies, is there any simpler alternate solutions/formulas used in solving oblique spherical triangles, especially for cases 3-5?
*October 12, 2012*

**trigonometry**

Thanks all of you for the help... Damon's process is correct. However, he just failed to write the equations properly for the last 6 lines. "0.0524" should be "0.05824".
*October 11, 2012*

**trigonometry**

a flagpole 25 feet high stands on the top of a tower, which is 105 feet high. at what distance from the base of the tower will the flagpole subtend an angle of 3 degrees, 20 minutes?
*October 11, 2012*

**english**

The following sentence is missing punctuation: “The crowd upset by the delay began to chant loudly for the band to appear.” Explain where the error has occurred in this sentence and how it can be fixed
*October 7, 2012*

**english**

would the correct answer be (B)Because I became completely absorbed in my work, I totally forgot about the meeting
*October 5, 2012*

**english**

Identify which one of the following sentences contains an unnecessary comma. Please correct the error and explain why the correction is necessary. a. I must have been completely absorbed in my work, because I totally forgot about the meeting. b. Because I became completely ...
*October 5, 2012*

**english**

Identify which one of the following sentences is missing punctuation. Please correct the error and explain why the correction is necessary a. I woke up when the book slipped from my lap and landed on my foot. b. After the book slid from my lap and landed on my foot I realized ...
*October 5, 2012*

**english**

The following sentence is missing punctuation: “The crowd upset by the delay began to chant loudly for the band to appear.” Explain where the error has occurred in this sentence and how it can be fixed. 6. Identify which one of the following sentences is missing ...
*October 5, 2012*

**english**

What is a dependent word? What happens when you add a dependent word to an independent statement? Illustrate your point with examples
*September 23, 2012*

**english**

Is the following a sentence fragment or an independent statement? Explain how you know. “Knowing only that I was asked to show up at noon
*September 23, 2012*

**math**

A factory increases the production of cars annually by 5%. If presently it manufactures 610, 000 cars per year, how many cars will it manufacture per year after 3 years
*September 8, 2012*

**math**

A factory increases the production of cars annually by 5%. If presently it manufactures 610, 000 cars per year, how many cars will it manufacture per year after 3 years
*September 5, 2012*

**math**

Shane invests $7,000 in bonds that earn simple interest of 3%. The interest is payable at the maturity of the bonds after 5 years. Find the total amount that Shane will receive at the end of 5 years
*September 5, 2012*

**grand canyon**

Draw a scatterplot indicating a strong negative relationship between the variables of income and mental illness. Be sure to label the axes correctly
*July 20, 2012*

**calculus derivatives update**

update yes, sorry I wrote it wrong (mx)= (x^5-5x^3 +7x-4)^10 * (4x^9 +19)^23 Thanks again
*July 18, 2012*

**calculus/derivatives**

I need to find the derivative and can't do them when they are raised to powers? Thank You. m(x)x^5 - 5x^3+7x -4)^10 (4x^9 +19)^23 this on is tuff!
*July 18, 2012*

**math/calc**

How do I solve for an area under the curve when y = x^2 and solve for above the interval (1,2) ? Any resources where I could see examples would be helpful. Thanks!
*July 18, 2012*

**Biology**

I don't understand what the teacher is asking and I need help?
*July 15, 2012*

**Biology**

Discuss two lifestyle factors (one for bone and one for muscle) that affect the growth, development, size and/or healing (positively or negatively of the tissue. Also state whether the factor can lead to a disease or disorder of the tissue.
*July 15, 2012*

**Geography - URGENT!**

Thank you Ms. Sue! :)
*July 6, 2012*

**Geography - URGENT!**

It has been said that Eastern Europe is a political region more than a physical region. Would you agree or disagree with this statement? You must provide a solid argument for your position. My answer: Eastern Europe has only been a political region since after World War II. ...
*July 6, 2012*

**physical science**

A horse galloped a mile in 2 min 35s. What was its average speed in km/h?
*July 5, 2012*

**physical science**

. A swimming pool is exactly 20m long, 7m wide, and 2m deep. What is its volume in cubic feet to 3 significant figures?
*July 5, 2012*

**Psychology**

If the prototype is a block or ball, would the concept be construction or a toy?
*June 10, 2012*

**Astronomy**

Give at least two pieces of evidence in the Preview chapter that contradict the belief that the universe is less than 10,000 years old.
*May 24, 2012*

**math 5th grade**

Robert buys a pair of pants and a shirt for a certain price .The shirt accounts for 2/5 of the total price of both items. He pays $36 for the pair of pants. If Robert gives the cashier $100, how much change will he receive after buying the pants and the shirt?
*May 15, 2012*

**algebra**

I needto see the whole equation and how it is gotten I have to show my work
*May 13, 2012*

**algebra**

you have just graduated from college and recently opened a specialty pizza restaurant. Based on surveys conducted in your area, you determine what it is feasible to sell your specialty for $15. The cost for making the pizzas includes a fixed cost of $55 and a labor cost of $4 ...
*May 13, 2012*

**Algebra**

Two children balance on opposite ends of a seesaw. One child weighs 45 pounds and the other weighs 38 pounds. The distance between them is 10 feet. What is the distance of each child from the fulcrum (the center balance point of the seesaw)? (HINT: The product of the distance ...
*May 9, 2012*

**math**

For what values of n will n! be exactly divisible by 7?
*May 4, 2012*

**Chemistry**

What is the compound name for Sb2(CrO4)5? This is the only question I am having trouble with.
*April 23, 2012*

**Math**

June rides the 15 foot tall ferris wheel at the city fair. She enters the ride at the bottom. If the ride makes 8 complete rotations before stopping, what is the total distance that June travels?
*April 8, 2012*

**Critical Thinking**

What is the rhetoric device in this sentence: "The right to life includes and implies the right to commit suicide To hold otherwise to declare that society must give you permission to kill yourself"
*April 1, 2012*

**math**

Take the following out of fraction form tan^2x/cscx+1
*March 28, 2012*

**Math**

scientific notation 0.0000000005 5 x 10(-9)
*March 25, 2012*

**Math**

scientific notation 12,150,000,000 1.215 x 10(7)
*March 25, 2012*

**chemistry**

A buffer solution was prepared by mixing 442 mL of 0.181 M NaOCl and 139 mL of 0.421 M HOCl. Calculate the pH of the solution given that Ka (HOCl) is 3.2 x 10-8.
*March 18, 2012*

**chemistry**

Given 1.00L of a buffer containing 0.338 M CH3COOH and 0.093 M CH3COONa. Ka(acetic acid) = 1.8 x 10-5. Calculate the pH after the addition of 0.005 moles NaOH.
*March 18, 2012*

**Math**

solve -9/x-2 - x = 8
*March 9, 2012*

**9th grade physics**

If a transparent material has a refractive of 2.0; a) calculate the critical angle b) if the refractive index were less than 2,0, would the critical angle be greater or less than before? Im super confused at this :(
*March 3, 2012*

**Math**

henry is 5ft tall and casts a shadow that is 15ft long a tree next to henry casts a 324-ft long shadow. how tall is the tree?
*February 29, 2012*

**Math**

So how do you do that show me how
*February 21, 2012*

**Math**

One shuttle service charges $10 for pickup and $0.10 per mile. The other shuttle service has no pickup fee but charges $0.35 per mile. Find the number of miles for which the cost of the shuttle service is the same. Please help me and show your work thanks.
*February 21, 2012*

**math**

an electronics store receives a shipment of 40 graphing calculators including 3 that are defective. Four of the calculators are sleceted to be sent to a local high school. How many selections can be made using the original shipment
*February 11, 2012*

**Chemistry**

If water is synthesized how much hydrogen would be needed to make 10.0 grams?
*February 10, 2012*

**math**

Eric has 3 more rocks than Clay. Together they have 35 rocks. How many rocks does each boy have?
*February 9, 2012*

**Organic Chemistry**

How many moles of hypochlorous acid are needed to react with 0.257 mol of 9-fluorenol? Molecular weight of hypochlorous acid = 52.46 g/mol MW of 9-fluorenol = 182.22 g/mol
*February 1, 2012*

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