Monday

September 26, 2016
Total # Posts: 281

**Physics**

A man pushes on a piano of mass 180 kg so that it slides at a constant velocity of 12.0 cm/s down a ramp that is inclined at 11.0degrees above the horizontal. No appreciable friction is acting on the piano. Calculate the magnitude and direction of this push (a)if the man ...

*November 11, 2010*

**Physics**

You have probably seen films of astronauts floating weightless in orbiting satellites. People often get the idea that the astronauts are weightless because they are so far from the gravity of the earth. Let us see if that explanation is correct. Typically, such satellites ...

*November 10, 2010*

**Physics**

Calculate the radial acceleration of an object at the equator of Jupiter (which takes 0.410 day to spin once), turning with the planet. (in )

*November 2, 2010*

**Physics**

Suppose you discover your grandfather's collection of Caruso records from the early part of the century. These disks played at 78.0 revolutions/minute (rpm) and were 9.00in. in diameter. What was the radial acceleration of a point on the rim of such a record as you ...

*November 2, 2010*

**physics**

A tornado lifts a car to a height of 125m above the ground. The tornado flings the car horizontally with a speed of 90.0 m/s. How long does the car take to reach the ground?

*October 26, 2010*

**physics**

A merry go round makes 2 revolutions every 2 s. A child is sitting 1.80 m from the center. Calculate a)The period of the merry go round b)the speed of the child in his position c) the centripetal acceleration of the child d) the net horizontal force on the child if his mass is...

*October 24, 2010*

**math**

how many lines of symmentry on a v

*October 13, 2010*

**HRM**

Contrast pay ranges and grades with bands. Why would you use either? Does their use assist or hinder the achievement of internal alignment? External competitiveness?

*October 12, 2010*

**3rd grade math (array)**

4times4equal 16

*October 7, 2010*

**3rd grade math (array)**

rrrr rrrr rrrr rrrr 4 times 4 equal 16

*October 7, 2010*

**3rd grade math (array)**

4times4equal

*October 7, 2010*

**Psych**

How does nature and nurture contribute to one’s self-efficacy?

*September 14, 2010*

**Psych**

Can someone please give me an example that illustrates how one's cognitive processes can shape some aspect of personality. thank you?

*September 13, 2010*

**geometry**

if m angle RTS = 8x+18 find x so that line TR is perpendicular to line TS

*September 10, 2010*

**College Mathematics**

Thank you

*September 7, 2010*

**College Mathematics**

You are paid a modest retainer of $325 to be on call for one week each month. Your hourly pay rate is $18. You are scheduled to work 38 hours the week you are on retainer. Your employer is required to deduct a total of 22% from your pay. a) What do you expect to earn in your ...

*September 7, 2010*

**Math Word Problems**

#1. The pressure P of a compressed gas is inversely proportional to the volume V. If there is a pressure of 35 pounds per square inch when the volume of gas is 400 cubic inches, find the pressure when the gas is compressed to 100 square inches. #2. A frictional force is ...

*September 1, 2010*

**Business**

The average light output for a domestic bulb is 80 lumens with a range of 4 lumens when process is in control. Sample size is 6. What are the CL, UCL and LCL for the X-Bar and R charts?

*July 24, 2010*

**Economics**

The Federal Reserve board of governors has power to raise or lower short-term interest rates. Between 2005 and 2006, the fed aggressively increased the benchmark federal funds interest rate from 2.5 percent in February 2005 to 2.5 percent in June 2006. Assuming that other ...

*July 14, 2010*

**Economics**

The Federal Reserve board of governors has power to raise or lower short-term interest rates. Between 2005 and 2006, the fed aggressively increased the benchmark federal funds interest rate from 2.5 percent in February 2005 to 2.5 percent in June 2006. Assuming that other ...

*July 14, 2010*

**math **

i have no clue how to do this problem. any help would be appreciated!! : Three hundred people apply for three jobs. 90 of the applicants are women. (a) If three persons are selected at random, what is the probability that all are women? (Round the answer to six decimal places...

*June 22, 2010*

**psych**

when and why is correlational research method used in a study?

*June 22, 2010*

**MATH FOR LIBERAL ARTS**

Maria just inherited $10,000. Her bank has a savings account that pays 4.2% interest per year. Some of her friends recommended a new mutual fund, which has been in business for three years. During its first year, the fund went up in value by 12%; during the second year, it ...

*June 21, 2010*

**MATH FOR LIBERAL ARTS**

Determine a casino's expected net income from a 24-hour period at a single roulette table if the casino's total overhead for the table is $50 per hour and if customers place a total of $7,000 on single-number bets, $4,000 on two-number bets, $4,000 on four-number bets...

*June 21, 2010*

**Chemistry**

What volume of hydrogen would be produced by the reaction of 2.00g of Mg with an excess of hydrochloric acid at STP. Using this equation Mg+HCl

*June 14, 2010*

**math**

my favrit sujac is math

*June 10, 2010*

**ART**

I have a 14k thimble with a SC mark inside a rectangle and a anchor next to it. Does anybody knows about this markings? I'll appreciate if you give me some info. Thank you.

*May 25, 2010*

**Math**

A basketball player has a 40% shooting average from the free-throw line. If she takes two free throws, estimate the probability that she will make both of them. Use the following list of digits which was taken from a table of random numbers. Let the digits 0-3 represent a made...

*May 23, 2010*

**Math**

The inside of your refrigerator might be set to a temperature of about A) -2.9°C B) 29°C C) 2.9°C D) 43.5°C I think the answer is C because that would put the temp in the 30's.

*May 23, 2010*

**Algebra**

Determine the number of real-number solutions to the equation -2x2 - x - 5 = 0, given the graph of y = -2x2 - x - 5

*May 16, 2010*

**Algebra**

perpendicular

*May 16, 2010*

**Algebra**

Quadratic?

*May 16, 2010*

**Algebra**

State whether the equation represents a linear, quadratic, or exponential function. x^2 + 6 = -8 x

*May 16, 2010*

**chemistry**

Which of these pressures is the lowest? 1.1 atm, 16.7 psi, 740 mm Hg, 111 458 Pa

*April 28, 2010*

**finance**

Brown Enterprises’ bonds currently sell for $1,025. They have a 9-year maturity, an annual coupon of $80, and a par value of $1,000. What is their current yield?

*April 24, 2010*

**physics**

no this is a homework assignment from the textbook

*March 31, 2010*

**physics**

A 0.56-kg mass is suspended from a string, forming a pendulum. The period of this pendulum is 6.0 s when the amplitude is 1.5 cm. The mass of the pendulum is now reduced to 0.35 kg. What is the period of oscillation now, when the amplitude is 2.8 cm?

*March 31, 2010*

**college algebra**

let hx and h be real numbers. If f(x) =4x +3, which of the following is true and why: 1.f(x+h)=4x+3+h 2.f(x+h)=4x+4h+3 3.f(x+h)=4x+4h+6

*March 29, 2010*

**college algebra**

state the domain of f(x) = (x+3)/(x-1)

*March 29, 2010*

**chemistry**

Since they both contain one mole, you have 6.02 x 10^ 23 particles of silver and 6.02 x 10^ 23 particles of platinum. The difference would be in the number of protons, neutrons, and electrons present because silver contains 47 protons per atom, 47 electrons per atom and 61 ...

*March 11, 2010*

**calculus**

There are four integrals: 1) definite integral x/(1+x^4)dx b/w 0_infinity 2) definite integral (x^2)/(1+x^4)dx b/w 0_infinity 3) definite integral (x^3)/(1+x^4)dx b/w 0_infinity 4) definite integral (x^4)/(1+x^4)dx b/w 0_infinity Which of these integrals converge. First of all...

*March 4, 2010*

**calculus**

There are four integrals: 1) definite integral x/(1+x^4)dx b/w 0_infinity 2) definite integral (x^2)/(1+x^4)dx b/w 0_infinity 3) definite integral (x^3)/(1+x^4)dx b/w 0_infinity 4) definite integral (x^4)/(1+x^4)dx b/w 0_infinity Which of these integrals converge. First of all...

*March 3, 2010*

**statistics**

is this quantitative data? The number of new hybrid cars on a local car dealership lot

*March 1, 2010*

**statistics**

is this qualitative data? The colors of new hybrid cars on a local car dealership lot.

*March 1, 2010*

**statistics**

Is this a descriptive study or an inferential study. I say inferential...... The average professional musicians’ salaries (in thousands) in the United States, England and Germany were complied and compared for years 1997 and 2007. Country 1997 2007 United States 1,200 2,...

*March 1, 2010*

**statistics**

Is this a descriptive study or an inferential study. I say descriptive...... The table below shows the average income by age group for residents of a small mid-western town in 2001 based on a sample of 200 individuals from each group. Age Group Average Income 18 – 25 $ 19...

*March 1, 2010*

**Statistics**

Looking for someone to verify my homework answers on identifying the sample and population...... 1) A group of 50,000 randomly selected adults were survey about whether they drink at least 6 - 8 oz glasses of water each day. Only 35% said yes to the question. Q: What is the ...

*February 26, 2010*

**math**

Will has money invested in a savings account earning 5% compounded daily. What is the effective interest rate?

*January 13, 2010*

**What is math**

a credit card account has $650 balance on May 5. A purchase of $321 was made on May 14 and a payment was made on May 22 of $500. The next billing date is June 5. A. What is the average daily balance? B. If the monthly interest is 1.5% what is the finance charge

*January 13, 2010*

**ABA**

ABA = Applied Behavior Analysis

*December 18, 2009*

**CHEM 230**

k=5.4x10^-2 t=22.0 hours initial=0.150 M final=? ln(x/0.150) = - (5.4x10^-2)(22.0) x= 0.127

*December 10, 2009*

**Algebra**

Translate to an algebria expression. The difference of 50 and 15 less than the number.

*November 11, 2009*

**7thgrade**

i need help surface area of the cyliner whose radius is 2.8m and height is 5.8m

*September 20, 2009*

**algebra 1**

Find the slope of the line through the points (6,5) and (5,7) 7-5 is 2 and 5-6 is -1 so would it be -2?

*September 15, 2009*

**algebra 1**

A ramp has a rise of 8 and a run of 10, what's the slope? I'm not sure how to solve it. The other question is to find the slope of the line that passes through 17/2, 8) and (5/2,-1) I did -1 - 8 is 7 and 5/2 - 17/2 as -12/2 so 7/ -12/2 is 7/-6

*September 15, 2009*

**Blue laser discs **

How many configurations blue laser discs (standard, physical size, number of layers, capacity, etc) are currently available?

*September 13, 2009*

**algebra**

HOw do I make a table of values for y equals 3/2? Am I supposed to plot 3/2 on the graph and then draw a line? I know on the y side of the table I'm supposed to have 3/2, but I don't understand how to do the table of values.

*September 13, 2009*

**computer assisted small business management**

I need the answers this elective is from penn foster

*July 31, 2009*

**Penn foster elective the book of accounting**

I need to finish the exam #390014 Please help me can I have the answers.this class is from penn foster is one of my elctives im to old to read too much this is my last step.

*July 30, 2009*

**A & P**

Can someonw tell me what differences are between the origin of the common carotid arteries in the pig and in the human? I do not see any difference

*July 29, 2009*

**A & P**

Assume that the allele controlling brown eyes (B) is dominant over that controlling blue eyes (b) in human beings. (In actuality, eye color in humans is an example of multigene inheritance, which is much more complex than this.) A blue-eyed man marries a brown-eyed woman; and ...

*July 21, 2009*

**Math**

Inductive reasoning

*July 20, 2009*

**accounting**

the assets division should contain what accounts?

*July 15, 2009*

**College Algebra**

For the exponential function e^x and logarithmic function log x, graphically show the effect if x is halved. Include a table of values for all four functions. Could someone please explain to me what occurs when things are halved.

*May 14, 2009*

**3rd grade**

in the book " how to be cool in the third grade. Do you think Robbie was cool and why

*March 30, 2009*

**literature**

in the act 4,what do the following lines means?Fairy King,attend,and mark: I do hear the morning lark.

*February 21, 2009*

**Social Studies**

What personal and professional qualifications should a presidential candidate have? Why?

*November 14, 2008*

**Math**

Can someone check this for me please... 4x + 8 >= (that is greater and equal to) 4 and 2x - 13 >= -5 the solution: {x|x>= 4} on the graph the highlighted line goes to the left...is this correct?

*November 2, 2008*

**Math**

Hockey teams receive 2 points when they win and 1 point when they tie. One season, a team won a championship with 60 points. They won 9 more games than they tied. How many wins did the team have? 23 How many ties did the team have? 14

*November 2, 2008*

**Math**

solve by the elimination method. what is the solution of the system? type a pair, an integer or a fraction, N if no solution, and I for many solutions. Q: x + 8y = 17 -x + 2y = 3 A: N?

*November 2, 2008*

**Math 116**

Q1) there are two plans available, but they only have 38 homes available. write an equation that illustrates the situation. use x and y to denote plan 1 and plan 2. A1) X+Y=38 Q2)Plan 1 sells for $175,000 and plan 2 sells for $200,000. All available houses combined are worth $...

*November 1, 2008*

**Math 116**

I have a long problem which I need help with..... Q1) there are two plans available with a total of 56 houses available. x represents plan 1 and y represents plan 2. write an equation illustrating the situation: A1) x+y=56 Q2) there are 3 times as many homes available with the...

*November 1, 2008*

**Math 116**

could someone please evaluate what i have so far and help me with the last few questions... the linear equation: y = 0.15x + 0.79 represents an estimate of the average cost of gas for year x starting in 1997. the year 1997 would be represented by x = 1, for example, as it is ...

*October 15, 2008*

**Math 116**

could someone please help me with this question. I have no clue where to start... the line: y = 0.15x + 0.79 represents an estimate of the average cost of gasoline for each year. the line: 0.11x - y = -0.85 estimates the price of gasoline in January each year. a) do you expect...

*October 15, 2008*

**math 116**

c) What is the slope and y-intercept if a water line is given by the equation y = -2/3x - 12. could you place a line on (-4,-10) without interferring? What is the slope and y-intercept of the line equation y = -2/3x - 12 How do you know? intercept is (0,12) because if x is -3...

*October 5, 2008*

**math 116**

c) What is the slope and y-intercept of the line in part b? How do you know? intercept is (0,12) because if x is -3, y is 10 (-3,10) if x is -6, y is 8 (-6,8) if x is -9, y is 6 (-9,6) when a straight line is drawn it intercepts at 12 the slope is: 2/3

*October 5, 2008*

**math 116**

a water line is given by the equation y = - 2/3x - 12 . Suppose you want to put a pink flamingo lawn ornament in your backyard, but you want to avoid placing it directly over the water line, in case you need to excavate the line for repairs in the future. Could you place it at...

*October 5, 2008*

**math 116**

suppose you want to add a sprinkler system, and the location of one section of the sprinkler line can be described by the equation y = - 1/2x - 4 complete the following table: x y ? -1 -2 ? ? -4 2 ? 8 ? my answers: x y 6 -1 -2 -3 12 -4 i still get 12 for x 2 -5 8 -8

*October 5, 2008*

**math 116**

1) you are planning to spend no less than $6,000 and no more than $10,000 on your landscaping project. Q1: write an inequality that demonstrates how much money you will be willing to spend on the project. A1: 6,000 greater than > and equal = to 10,000 Q2: suppose you want ...

*October 5, 2008*

**math 116**

suppose you want to add a sprinkler system, and the location of one section of the sprinkler line can be described by the equation y = - 1/2x - 4 complete the following table: x y (x,y) ? -1 ? -2 ? ? ? -4 ? 2 ? ? 8 ? ? my answers: x y (x,y) -1.5 -1 (-1.5,-1) -2 -3 (-2,-3) 12 -...

*October 5, 2008*

**math 116**

I thought I knew this stuff but now I'm starting to wonder. I've tried several times but I haven't been able to figure this out. there is also a diagram showing a water line where the y intercept is crossing over (0,-12). the question is Q: what is the slope and ...

*October 5, 2008*

**algebra**

<<Q: solve y - 3 > - 13 the solution is {x | x > ?} A: {x | x > - 10} >> you switched from y's to x's, why? I meant: {y | y > - 10} thank you for your help

*October 4, 2008*

**algebra**

Q: when graphing the equation y = 4/3x + 2, the y intercept is? A: (0,2) Q: Determine whether - 3.5 is a solution of the inequality. x greater than or equal to 6 A: No Q:identify the y intercept of y = x + 8 A: (0,8) Q:solve using multiplication principle then graph - 15x >...

*October 4, 2008*

**algebra**

from a base elevation of 7900 ft, a mountain peak in colorado rises to a summit elevation of 14827 ft over a horizontal distance of 15838 ft. find the grade of the peak. A: 44%

*October 4, 2008*

**algebra**

solve using addition and multiplication principles. Q: 8 - 6x > 4 - 5x the solution set is {x|x ? ?} A: {x|x < 4}

*October 4, 2008*

**algebra**

you are taking a science course in which there will be four tests, each worth 100 points. you have scores of 89, 97, and 95 on the first 3 teests. you must make a total of 360 in order to make an A. what scores on the last test will give you an A? A: solution is {s|s > or...

*October 4, 2008*

**algebra**

Q: identify the y intercept y = 1/3x A: the y intercept is (0,0)

*October 4, 2008*

**algebra**

solve y - 3 > - 13 the solution is {x|x > ?} A: {x|x > -10}

*October 4, 2008*

**algebra**

solve using the multiplication principle -6x < -18 the solution set is {x|x ? ?} A: {x|x < 3}

*October 4, 2008*

**algebra**

find the slope (-3,4), (2,1) m = ? A: m = -3/5

*October 4, 2008*

**algebra**

Q: find the slope x + 9y = 18 m = ? A: m = - 1/9

*October 4, 2008*

**algebra**

find the slope y= -3x + 7 M = ? A: m = -3

*October 4, 2008*

**algebra**

Q: solve using the addition principle 2x + 6 > x + 16 the solution set is {x|x > ?} A: {x|x > 10}

*October 4, 2008*

**algebra**

Q: find the slope, if it exists, of (-2,3) and (4,-4) m = ? A: m = -7/6

*October 4, 2008*

**algebra**

Q: solve using the addition and multiplication principles 2 + 8x < 10 {x|x ? ?} A: {x|x < 1}

*October 4, 2008*

**algebra**

Q:solve using multiplication principle then graph -15x > -75 A: {x|x > 5} when graphing the circle is open on the 5 and goes to the right

*October 4, 2008*

**algebra**

Q:identify the y intercept of y = x + 8 A: (0,8)

*October 4, 2008*

**algebra**

Q: Determine whether -3.5 is a solution of the inequality. x greater than or equal to 6 A: No

*October 4, 2008*

**algebra**

Q: when graphing the equation y = 4/3x + 2, the y intercept is ? A: (0,2)

*October 4, 2008*

**4th grade English**

The artic circle runs through which continents?

*September 25, 2008*