Sunday

March 29, 2015

March 29, 2015

Total # Posts: 636

**Physics**

A block is resting at the top of a rough incline with coefficients of kinetic and static friction of 0.25 and 0.45 respectively. The angle of the incline is gradually increased until the block begins to slip. Calculate the angle that the block begins to slip.
*October 27, 2012*

**physics**

The drawing shows two boxes resting on frictionless ramps. One box is relatively light and sits on a steep ramp. The other box is heavier and rests on a ramp that is less steep. The boxes are released from rest at A and allowed to slide down the ramps. The two boxes have ...
*October 24, 2012*

**math**

In a card game using a normal deck of playing cards containing 52 cards, 13 cards are dealt to a player. a) how many different combinations of cards are possible in that players hands? b) how many different hands are possible that consist ofnine spades and four clubs. Then ...
*October 21, 2012*

**math**

A jar contains six red marbles, four green marbles and five yellow ones. a) determine the number of ways in which any thee marbles can be selected? b) Determine the number of ways to select four marbles where two are red and two are yellow? c) Determine the number of ways in ...
*October 21, 2012*

**Math**

thank you!
*October 21, 2012*

**Math**

How many five digit numbers can be formed from the set of nine numbers (0,1,2,3,4,5,6,7,8) if no number is repeated and no number starts with zero and a) there are no other restrictins b) the result must be an odd number
*October 21, 2012*

**Math**

for a i had 7 x 7 x 7 x 7 x 7 = 16, 807 for b i had 7 x 6 x 5 x 4 x 3 = 2520 for c i had 7 x 7 x 6 x 7 x 7 c i am very unsure of though.
*October 21, 2012*

**Math**

sorry its supposed to be how many different five digit numbers! can be formed from the seven. sorry!!!!
*October 21, 2012*

**Math**

How many different numbers can be formed fro the set of seven numbers (1,2,3,4,5,6,7) if a) repitition is allowed b) repitition is not allowed c) repitition is allowed and the tird digit must be different from the second digit?
*October 21, 2012*

**statistics**

For each of the following questions, decide whether or not the sample data can be used to construct a confidence interval. How do I go about determining if the sample data can be used to construct a confidence interval? Example: To help consumers assess the risks they are ...
*October 17, 2012*

**physics**

A 5.84kg box sits on a ramp that is inclined at 35.2degrees above the horizontal. The coefficient of kinetic friction between the box and the ramp is 0.27. What horizontal force is required to move the box up the incline with a constant acceleration of 4.30m/s square
*October 11, 2012*

**physics**

A 5.84 box sits on a ramp that is inclined at 35.2 above the horizontal. The coefficient of kinetic friction between the box and the ramp is 0.27. What horizontal force is required to move the box up the incline with a constant acceleration of 4.30 ?
*October 11, 2012*

**Algebra**

In a lab experiement, there is a culture that contains 25 bacteria at 2:00. At 2:15 there are 50 bacteria, At 3:15 there are 800 bacteria. What is the conjecture about the rate at which the bacteria increase?
*October 3, 2012*

**math/ compounded **

Scenario: A client comes to you for investment advice on his $500,000 winnings from the lottery. He has been offered the following options by three different financial institutions and requests assistance to help understand which option would be the best for his investment. ...
*September 29, 2012*

**Finite Math**

A coin is loaded, so that the probability of a head occuring on a single toss is 2/3. In six tosses of the coin, what is the probability of getting all heads or all tails?
*September 27, 2012*

**math**

two fourths of a circle plus two tenths of a circle is what decimal part of a whole circle?
*September 20, 2012*

**Geometry**

If meaurement of angle DEF=(3x+5) degrees and measurement of angle KLM=(x+31) degrees, and goth angles are complementary to angle PQR, what are the measures of the angles?
*September 16, 2012*

**debt payments**

if I owe $5320.00 and must pay $300.00 a month plus 6% interest per annum till paid at approximately 18 months, how much interest money do I add to the $300.00 monthly payment
*September 5, 2012*

**College Math**

What would 10 to the 16th power be?
*September 3, 2012*

**math**

I need some ideas for teaching statistics and probability to 4th graders
*September 1, 2012*

**College Math**

LPG is stored in highly insulated spherical vessels in most oil refineries. If the inside diameter of one of these tanks is 11.4 ft, find it's volume. Report your answer to the nearest one-tenth of a gal. Use pie-3014, and 1cubic ft= 705 gal. Possible answers to choose ...
*August 31, 2012*

**College Math**

This is a triangle with sides of A,B,C. Side A = 15 yd and side C=25 yd. I need to find the missing side
*August 31, 2012*

**College Math**

Find the missing side. Approximate the answer to three decimal places when appropriate. Possible answers are: (A) 10yd, (B)31.623yd, (C) 20yd, (D) 400yd. Can you help me? I have done this so far. 180-15-25=140. I have tried everything that I know of to get the answer but I'...
*August 31, 2012*

**College Math**

Thanks. Yes it is.
*August 30, 2012*

**College Math**

I believe suplementary
*August 30, 2012*

**College Math**

Find the measure of the missing angle a= 28 degree, b=97degree I 'm not sure how to go about in finding the missing angle. Could you please help?
*August 30, 2012*

**algebra**

what are inclusion symbols
*August 29, 2012*

**College Math**

Thank you for the help of this question.
*August 28, 2012*

**College Math**

High Knob Mountain is 4044 ft. high. What is this distance in meters? The answer I put was (B)102.8m. Is this the correct answer? If no, what am I doing wrong? The other answers to choose from are: (A) 6470m, (C) 1233m (D) 4000m
*August 28, 2012*

**College Math**

So the answer would be 95 1/3. the figuring out on this would be 65 x 3600 devided by 5280 and that is how I got this answer.
*August 28, 2012*

**College Math**

The posted speed limit on many U.S. highways is 65 miles per hour. What is this speed in feet per second? My answer was 5720 feet per second. The other answers that would be a possibility are: (A)3600 feet per second, (B)95 1/3 feet per second, (C) 5720 feet per second, which ...
*August 28, 2012*

**College Math**

IN one mile there are 5280 ft. In a yard there is 3 feet
*August 20, 2012*

**College Math**

The longest banana split ever made was 4mi 686yd long. How many feet is that? However, a 4.55 mile banana split was made in Selinsgrove, PA., in 1988. Which is longer? (Hint: 0.55 miles is 0.55 x 5280 ft.)
*August 20, 2012*

**College Math**

Ms. Sue, I have been trying to answer these questions, But my answer doesn't match the answers in the back of the book. Would you multiply be 60 sec. on each of these? If that is what you should do then the answers would be 6000 and 26400 sec. If I divided I would come up ...
*August 20, 2012*

**College Math**

The average urbanite walks about 2 yd per second. A) How many seconds would it take to go 100yd? B) How may seconds would it take to go 440yd? Not sure how to go about to find the answer.
*August 20, 2012*

**College Math**

Water rises inside a plant's stem an average of 4ft. every hour. A. How many inches is that? The answer for this is 48 inches. B)If a plant is 72 in. tall, how long would it take for water to travel from the bottom to the top of the plant? On part B, I didn't ...
*August 20, 2012*

**College Math**

Nick received a $7000.00 raise. If his previous salary was 55000.00, what was the percent of increase in salary? I put the answer as (A) 13%. The other possible answers are: (B) 1%, (C) 8%, (D) 14%. If my answer is not correct, Could please tell me what I'm doing wrong in ...
*August 17, 2012*

**Math**

Thanks for the help with this question.
*July 13, 2012*

**College Math**

In West Virginia, 100 days of the year (365)have temperatures less than32 degrees Fahrenheir. What (reduced) fraction of the days is that? I'm not sure how to go about finding the answer. Can you please help?
*July 13, 2012*

**health**

when comparing the daily requirement for vitamains and minerals across all life-stage group,it can be said that.
*June 29, 2012*

**health**

A man with a long history of increased blood cholesterol levels has to have part of his carotid artery removed because a blockage has developed there. If the carotid bodies are removed during this procedure.which of the following is most likly to occur.
*June 27, 2012*

**colege algebra.**

what does square root of x^2 times x-5 divided by 3 times square root of x simplify to?
*June 26, 2012*

**principle of accounting**

raper Consulting began operations and completed the following transactions during the first half of December: Dec 2 Received $18,000 cash and gave capital to Draper. 2 Paid monthly office rent, $550. 3 Paid cash for a Dell computer, $1,800. This equipment ...
*June 4, 2012*

**physics**

thanks so much!
*May 29, 2012*

**physics**

1. what happens to the field strength when you halve the distance between two charges? 2. A positive charge of 3.5 uC is located in an electric field of intensity 3.00 N/C directed toward the south. Find the magnitude and the direction of the force on the test charge. 3. Three...
*May 29, 2012*

**which of the following sentences is the symbol**

Jason bought three books & two magazines
*May 2, 2012*

**algebra**

Write the slope-intercept equation for the line that passes through (-2, 3) and is perpendicular to 2x – 9y = -12
*April 28, 2012*

**algebra**

Thank you
*April 28, 2012*

**algebra**

write the slope intercept equation for the line containing the given pair of points (6,8) and (3,5) please help I have been working on this for three day's
*April 28, 2012*

**algebra**

Write the slope intercept equation for the line containing the given pair of points. (6,8) and (3,5)?
*April 27, 2012*

**Principles of Management**

Would the be (b) adjustment or (c) availability. Not sure.
*April 23, 2012*

**Principles of Management**

Having just spent $1500 for a new engine for his old car, Raimndo now learns his transmission needs to be replaced. Raimundo decides to junk the car. Raimundo has avoided continuing the______ bias. I am in a toss up of either (b)adjustment or (c) availability. Others to choose...
*April 23, 2012*

**Math**

Suppose three coins are tossed. What's the probability of having exactly 1 tail, 3 tails, or all the same?
*April 20, 2012*

**geometry**

The deck in Alice's back yard is round. It has 5 posts evenly spaced around the edge to support a trellis. For her get together, she wants to connect each post to all the other posts with red ribbons. How many ribbons will she need.
*April 20, 2012*

**algebra**

Copy Cats charges a $21 surcharge for a batch of colored copies plus $0.15 per page. Heritage Printing charges a $25.50 surcharge for a batch of colored copies plus $0.12 per page. How many pages of colored copies would make Heritage Printing cheaper than Copy Cats?
*April 16, 2012*

**math**

Marissa has budgeted $65 for her monthly cell phone expense. If her plan with her wireless provider is $15 plus $0.25 for each minute, how many minutes can she talk on her cell phone in a month and not exceed her budget?
*April 16, 2012*

**algebra**

thank you I had that when I was trying to solve the problem just wanted to make sure it was right.
*April 16, 2012*

**algebra**

Marissa has budgeted $65 for her monthly cell phone expense. If her plan with her wireless provider is $15 plus $0.25 for each minute, how many minutes can she talk on her cell phone in a month and not exceed her budget?
*April 16, 2012*

**math**

In a local election,53,400 people voted. This was a decrease of 7% over the last election.How many people voted in the last election? Round to the nearest whole person
*April 14, 2012*

**Math**

Isosceles and right triangle
*April 6, 2012*

**Economics**

Suppose a manager is interested in implementing third-degree price discrimination. The manager knows that the price elasticity of demand for Group 1 is -2 and the price elasticity of demand for Group 2 is -1.2. Based on this information alone we can conclude that the price ...
*March 20, 2012*

**Economics**

If a firm supplies separable markets with price elasticities h1 = -3 and h2 = -2, it should set prices P1 and P2 so that: a.2/3P1 = 1/2P2 b.3P1 = 2P2 c.2P1 = 3P2 d.P1 = P2 e.2P1 = 2/3P2
*March 20, 2012*

**6 grade math **

how do you find the height of a parallelogram with an area of 224 square meters and a base of 16 meters.
*March 19, 2012*

**Management**

When Nike yielded to pressure from uman rights groups and agreed to close its manufacturing plants located in developing nations,they were acting as (a) proactive, (b) accommodative, (c) defensive, or (d) environmental managers. I chose (c) for my answer. Is this correct?
*March 11, 2012*

**Management**

Pat,a manager at State University, is deciding how to set up a procedure for registering online that gives students fair access to courses. Pat is engaged in the (a) utilitarian, (b) individual, (c) moral-rights, or (d) justice approach. I chose (b) individual. Is that correct?
*March 11, 2012*

**college algebra**

Can anyone please help me with this? for the function f(x) =1/x....f(x)is increasing on the interval(s) and f(x) is decreasing on the interval(s)???
*February 28, 2012*

**college algebra**

suppose the revenue in dollars from selling x cell phones is R(x)= -1.2x^2+220x. the cost in dollars of selling x cell phones is C(x)=0.05x^3-2x^2 +65x+500. find the profit function P(x)=R(x)-C(x). find the profit if x=15 hundred cell phones sold
*February 27, 2012*

**college algebra**

A steel drum in the shape of a right circular cylinder is required to have a volume of 100 cubic feet. express the amount of material required to make the drum as a function of the radius r of the cylinder. also how much material is required if the drum is of radius 3 feet?
*February 27, 2012*

**Calculus**

I'm sorry. Looking back at the question I posted, I forgot to made -1 an exponent. It should read: R(x)= 58,000x + 38,000(10+x)^-1 - 4000
*February 18, 2012*

**Calculus**

Suppose that the revenue in dollars from the sale of x campers is given by the formula shown below. R(x) = 58,000x + 38,000(10 + x)−1 − 4000 (a) Find the marginal revenue when 10 units are sold.
*February 18, 2012*

**Calculus**

Find the derivative of the function. Simplify and express the answer using only positive exponents only. y = (x - 4)^2 (x + 3)
*February 18, 2012*

**calculus**

The Revenue from the sale of x units of a product is represented by the following formula: R = 20(3x + 1)^-1 + 50x - 17 dollars. Find the Marginal Revenue when 20 units are sold?
*February 12, 2012*

**Ethics**

I need help in understanding what the viewpoint would be of a virtue ethicist in deciding who should receive a liver transplant. There are 5 candidates: Bob- is 40 years old unemployed, homeless with a severe drinking problem and a criminal record.He was the first to sign up ...
*February 6, 2012*

**Finding distances--fixed question**

Sorry, I meant to put say the person is 1.8 meters tall and they are standing far enough away to have an angular height of 5 degrees. The question then is how far away is the person.
*February 2, 2012*

**Finding distances**

Person is 1.8 meters tall standing far away at angular height of 5 meters. How do I find how far way they are
*February 2, 2012*

**Finding distances**

Person is 1.8 meters tall standing far away at angular height of 5 meters. How do I find how far way they are
*February 2, 2012*

**American Government**

What do America's founding principles have roots in?
*January 29, 2012*

**Chemistry**

How much heat energy is required to raise the temperature of 4.50 liters of water from 36 degrees celcius to 44.6 degrees celcius?
*January 15, 2012*

**3rd grade math**

water makes up 7/10 of your body. Is more than 1/2 of your body water? write a number sentence to compare 7/10 and 1/2. Explain
*January 14, 2012*

**Health Science**

Hi, I'm writing my assignment on people's lifestyles and cant come up with many ideas... this is the question: Why health professionals have to take into account factors that influence people's lifestyle choices?
*January 13, 2012*

**English**

Is it correct to say,"Meetings will be held on the 1st and 3rd Sunday of the month"?
*January 4, 2012*

**algebra 2nd grade**

find the missing number 42-9=43-
*December 12, 2011*

**algebra**

find the vertex, line of symmetry,and the maximum or minimum value of f(x). Choose the graph that represents f(x)=1/4(x+9)^2+7
*November 28, 2011*

**Pre-Algebra**

Question is: What is the algebraic equation to determine when they will meet? For the following information, I understand 5(x+y) = 3000 for 1st plane & 10(x-y) = 3000 for 2nd plane. When an airplane flies with a given wind, it can travel 3000 km in 5hrs. When the same airplane...
*November 13, 2011*

**Pre-Algebra**

Question is: What is the algebraic equation to determine when they will meet? For the following information, I understand 5(x+y) = 3000 for 1st plane & 10(x-y) = 3000 for 2nd plane. When an airplane flies with a given wind, it can travel 3000 km in 5hrs. When the same airplane...
*November 13, 2011*

**math**

Web Results For:The ratio of john's money to Peter's money was 4:7 at first. After john spent 1/2 of his money and Peter spent $60. Peter had twice as much money as john. How much money did john have at first?
*November 10, 2011*

**Chemistry**

Ok, thank you. That was the only way I could think of doing it too. What would the bond angles therefore be?
*November 10, 2011*

**Chemistry**

Hi, I have to draw a dot and cross diagram for NH2+ and then state the bond angles. I have done NH2-, but I am not sure how to do the + one.
*November 10, 2011*

**IntroductiontoPsychology**

According to Howard Gardner independent intelligence: (a) originates at a single site in the brain (b) comes for a differentsystemin the brain (c) originates inthe limbic system (d) has connections with the hippocampus I have the answer as B
*November 5, 2011*

**Introductin to Psychology**

Alyssa's family had moved in the middle of her junior year in high school. At her old school she was a varsity cheer leader, vice president of the student council, and would ave been presented as the school "sweetheart" at homecoming had her family not moved. Now...
*November 5, 2011*

**Introduction to Psychology**

Ms. Sue, I meant to say hypothesis for the question that starts with Joaquin has been assigned a primary research
*November 5, 2011*

**Introduction to Psychology**

New technology is a wonderul servant, but the learning curve is often steep. Men often viewthemselves are more capable of using new technology that women because: (a) women learnnew skills more slowly (b) men generally have a higher estimation of their abilities than women do ...
*November 5, 2011*

**Introduction to Psychology**

After the day of the wreck, Yung avoided the corner of 9th and Mulberry. He knew that there was nothing wrong with thatparticular location, but since the acident he experienced shortness of breath and tightness in his muscles when he drove past the corner. Classical ...
*November 5, 2011*

**Introduction to Psychology**

Joaquin has been assigned a primary research project in his psychology class. He is to observe student behavior during a learning task andattempt to for a(an) ________. In order to do this, he must be able to describe principlesand events, and how they may be related. Would it...
*November 5, 2011*

**Business English**

Positive roles and actions of individuals that help the group build loyalty, resolve conflicts, and function smoothly include: (a) demonstrating openness and acceptance. (b) taking every opportunityto be the first to speak and insisting on personally responding to everyone ...
*November 4, 2011*

**Business English**

A store is designing a new catalog for its fall collection. Which of the following is LEAST likely to increase the store's credibility? (a) Creating a glossy photo layout with a varety of pictures (b) Stating the facts about each product (c) Promising consumers that these ...
*November 4, 2011*

**Business English**

In which of thefollowing sentences is therefusal iplied rather than directlystated? (a) "We are not hiring anyone at the moment, but thank you for your interest. (b) "You cannot work in the production area because you are under 18 years old." (c) Employees who ...
*November 4, 2011*

**Business English**

Which of the following would be the BEST strategy to follow in the opening paragraph of a letter to clients announcing expanded hours. (a) Explain that the results of a recent survey indicatethat a lot of people are unhappy with the current hours. (b) State what the new hours ...
*November 4, 2011*

**Business English**

"I was sorry to hear about your mother's death." Indicate the alternative that both correctly evaluates the sentence and correctly explains the reason for the evaluation. Would it be: (a) Lacks you-attitude because it begins with the word"I" (b) Lacks ...
*November 4, 2011*

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