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April 17, 2014

April 17, 2014

Post a New Question | Current Questions

**College math**

See previous.
*Wednesday, March 6, 2013 at 8:07pm*

**College math**

See previous.
*Wednesday, March 6, 2013 at 8:05pm*

**College math**

10 + 10 + s = 180 S = 180-20 = 160 a = 10c. 5*10c + 3c + 2*160 = 500 50c + 3c + 320 = 500 53c = 500-320 = 180 C = 3.396 a = 10c = 10*3.396 = 33.96
*Wednesday, March 6, 2013 at 7:40pm*

**College Mathematics**

(the apartment is hot) and (the air conditioning is working) --> (the tempurature is 90 degrees)
*Wednesday, March 6, 2013 at 2:36pm*

**College Mathematics**

(r ^ q) arrow p ^ stands for and.
*Wednesday, March 6, 2013 at 1:33pm*

**College Mathematics**

write the statement in symbolic form. Let p: the temperature is 90 degrees Let q: The air conditioner is working r: the apartment is hot. If the apartment is hot and the air conditioning is working, then the tempurature is 90 degrees.
*Wednesday, March 6, 2013 at 1:24pm*

**Math College**

cllt;ycu/vb.//uh79UINM<
*Wednesday, March 6, 2013 at 11:54am*

**MONGU COLLEGE **

A 1200 ohms resistance of AC 0.07H inductance coil and a 0.001mF capacitor are in series across a 120V source determine. a.frequency. b.current. c.impedance.
*Tuesday, March 5, 2013 at 5:21pm*

**MONGU COLLEGE **

A resistor of 15 ohms and an inductor of 4H and capacitor of 25 micro F are connected in series across 230V AC supply calculate. a.The frequency b.current c.voltage drop or pd across inductance.
*Tuesday, March 5, 2013 at 5:15pm*

**Math College**

you can't "solve" a matrix, any more than you can solve a number. What is it you want to do with the matrix?
*Tuesday, March 5, 2013 at 4:34pm*

**Math College**

Solve the Matrix 12 -3 8 01 2 4 00 1 2
*Tuesday, March 5, 2013 at 4:16pm*

**College math**

Yes it is (x+3) all divided by 7
*Tuesday, March 5, 2013 at 3:27pm*

**College math**

Yes it is (x+3) all divided by 7
*Tuesday, March 5, 2013 at 3:27pm*

**College math**

(g◦f)(x) = g(f(x)) g(x) = 4+5x, so g(f) = 4 + 5f = 4+5(x+3/7) and we are back to Dr. Jane's question
*Tuesday, March 5, 2013 at 2:43pm*

**College Math**

replace a with the 10c in the first two equations. Combine the the c terms.' Now, you have two equations in two variables and you can solve by using the elimination/addition method where you add to eliminate one of the variables. Are you sure you have 10a or was it just a ...
*Tuesday, March 5, 2013 at 1:36pm*

**College math**

Replace the x is the f(x) by the values for g(x) for the x is the f(x) you would write 4 + 5x + 3/7 I don't know if the problem is (x+3) all divided by 7 or if it is x added to 3/7
*Tuesday, March 5, 2013 at 1:34pm*

**College math**

if f(x) =x+3/7 and g(x) =4+5x find (gof) (x)
*Tuesday, March 5, 2013 at 1:29pm*

**College Math**

10a+ 10c + s = 180 5a + 3c + 2s = 500 a = 10c
*Tuesday, March 5, 2013 at 1:20pm*

**College math**

are you missing some letters in the first equation??
*Tuesday, March 5, 2013 at 1:11pm*

**College math**

10+ 10 + s = 180 5a + 3c + 2s = 500 a = 10c
*Tuesday, March 5, 2013 at 1:10pm*

**College math**

10+ 10 + s = 180 5a + 3c + 2s = 500 a = 10c
*Tuesday, March 5, 2013 at 1:10pm*

**College math**

10+ 10 + s = 180 5a + 3c + 2s = 500 a = 10c
*Tuesday, March 5, 2013 at 1:10pm*

**College math**

10+ 10 + s = 180 5a + 3c + 2s = 500 a = 10c
*Tuesday, March 5, 2013 at 1:10pm*

**College Mathematics**

I am a little confused by what you have for r... I am taking "r" as the apartment is hot (r ^ q) arrow p
*Tuesday, March 5, 2013 at 12:48pm*

**college math**

a + c + s = 180 5a + 3c + 2s = 500 a = 10c replace 'a' with '10c' in the first two equations. This will give you two equations in two variables. You can then use the elimination/addition method to solve. Do you need more help?
*Tuesday, March 5, 2013 at 12:41pm*

**college math**

ticket for a concert cost $5.00 for adults, $3.00 for children and $2.00 for senior citizens. Revenue was $500.00 for 180 tickets. 10 times more adults than children attended. How many senior tickets were sold?
*Tuesday, March 5, 2013 at 12:38pm*

**Statistics**

. State the null and alternative (research) hypothesis in symbolic form. The hypothesis should be written based on the following information from the research situation: “The health psychologist in question is particularly interested in the myth of the ‘Freshmen 15...
*Tuesday, March 5, 2013 at 12:35pm*

**College Mathematics**

write the statement in symbolic form. Let p: The Temperatue is 90 degrees Let q: The air conditioner is working Let r: If the apartment is hot and the air conditioner is working, then the temperature is 90 degrees.
*Tuesday, March 5, 2013 at 12:23pm*

**College Mathematics**

write the statement in symbolic form. Let p: The Temperatue is 90 degrees Let q: The air conditioner is working Let r: If the apartment is hot and the air conditioner is working, then the temperature is 90 degrees.
*Tuesday, March 5, 2013 at 12:22pm*

**Reading**

Not sure which answers to use.. please help: choose from these words: deficit, dissent,lucrative and agnostic.. 1& 2: My uncle decided to splurge and _____ with a country club because golf is his favorite_________.(Dissent & lucrative) 3 & 4 : Because my father_______s to make...
*Tuesday, March 5, 2013 at 12:08pm*

**College Mathematics**

For the double arrow: Î¦ Î¨ Î¦ â†” Î¨ T T T T F F F T F F F T For the arrow: Î¦ Î¨ Î¦ â†’ Î¨ T T T T F F F T T F F T so putting them together, p q result...
*Tuesday, March 5, 2013 at 5:32am*

**College Mathematics**

Construct a truth table for the statement (p<--->q)--->p
*Tuesday, March 5, 2013 at 1:52am*

**algebra**

Andrew has a four-year college loan for $20,000. The lender charges a simple interest rate of 5 percent. How much interest will he have to pay? simple interest = P × r × t
*Monday, March 4, 2013 at 3:51pm*

**college algebra**

4 -5 5
*Monday, March 4, 2013 at 3:47pm*

**college chemistry**

imploded? That's caused by too little internal pressure to resist the outside air pressure. But sublimation is where solid changes to gas, increasing the internal pressure. Am I missing something here?
*Monday, March 4, 2013 at 3:32pm*

**college chemistry**

if my sublimation apparatus imploded, what was the cause of it?
*Monday, March 4, 2013 at 3:13pm*

**College Algebra**

A calculator company produces a scientific calculator and a graphing calculator. Long-term projections indicate an expected demand of at least 100 scientific and 80 graphing calculators each day. Because of limitations on production capacity, no more than 200 scientific and ...
*Monday, March 4, 2013 at 3:13pm*

**College Algebra**

Well, just intuitively, if you lose money on each scientific calculator, you want to produce as few as possible. Ideally, zero. Unfortunately, you have to produce at least 200 boxes a day, and can only produce 170 graphing calculators. So, you gotta do at least 30 of the losers.
*Monday, March 4, 2013 at 2:20pm*

**College Algebra**

How did you get 30 and 170? If the equation is -2x+5y?
*Monday, March 4, 2013 at 12:18pm*

**college algebra**

x = -b/2a gives you the x-value of the vertex. find y by subsituting into the original equation. axis of symmetry uses the information found above. Factor your equation and set = to zero to find the intercepts Is there a negative sign in front of the x^2 term. You have it ...
*Monday, March 4, 2013 at 12:17pm*

**college algebra**

f(x) = (x-4)(x-5)(x+5) 3 roots, each of multiplicity 1 The graph crosses the axis at each root, so it has to turn around 2 times.
*Monday, March 4, 2013 at 12:09pm*

**college algebra**

0 = (x-4)(x+5)(x-5) Set each equal to zero and solve for x. That will give you three different zeros. Each occurs only once.
*Monday, March 4, 2013 at 12:08pm*

**College Algebra**

maximize p = -2x+5y subject to x <= 200 y <= 170 x+y >= 200 looks like 30 scientific, 170 graphing
*Monday, March 4, 2013 at 11:59am*

**College Algebra**

A calculator company produces a scientific calculator and a graphing calculator. Long-term projections indicate an expected demand of at least 100 scientific and 80 graphing calculators each day. Because of limitations on production capacity, no more than 200 scientific and ...
*Monday, March 4, 2013 at 11:12am*

**college algebra**

y=x^2+2x+8
*Monday, March 4, 2013 at 11:06am*

**college algebra**

given the following polynomial find the zero and multiply of each were the graph touches the x axis number of turning points fx =(x-4)(x^2-25)
*Monday, March 4, 2013 at 11:01am*

**college algebra**

Which quadratic equation? y=-x^2+2x+8?
*Monday, March 4, 2013 at 10:58am*

** college algebra**

Given the following quadratic equation, find;? a. the vertex b. the axis of symmetry c. the intercepts d. the domain e. the range f. the interval where the function is increasing, and g. the interval where the function is decreasing h. Graph the function. y= -x^2+2x+8
*Monday, March 4, 2013 at 10:56am*

**College Physics**

nothing
*Monday, March 4, 2013 at 10:17am*

**Stat**

1. For the following scores, X Y 1 6 4 1 1 4 1 3 3 1 Sketch a scatter plot and estimate the value of the Pearson correlation. b. Compute the Pearson correlation 2. For the following set of scores, X Y 6 4 3 1 5 0 6 7 4 2 6 4 a. Compute the Pearson correlation. b. Add 2 points ...
*Monday, March 4, 2013 at 1:06am*

**College Algebra**

A calculator company produces a scientific calculator and a graphing calculator. Long-term projections indicate an expected demand of at least 100 scientific and 80 graphing calculators each day. Because of limitations on production capacity, no more than 200 scientific and ...
*Sunday, March 3, 2013 at 8:51pm*

**statistics**

In order to plan for parking and transportation needs at a college, administrators asked students how they got to school. Some came by bus, some came by car and the others used “personal “ transportation – bikes, skateboards, or walked. The following table ...
*Sunday, March 3, 2013 at 7:18pm*

**College physics**

What is C =10 pF ?
*Sunday, March 3, 2013 at 7:13pm*

**College Physics**

So what's the minimum speed ?
*Sunday, March 3, 2013 at 7:02pm*

**College physics**

You don't need all of that information. The E field is 25V/0.002m = 12,500 V/m or Newtons/Coulomb
*Sunday, March 3, 2013 at 6:59pm*

**College Physics**

Then there is no force on the proton and it will keep going forever with infintesimal velocity.
*Sunday, March 3, 2013 at 6:55pm*

**College physics**

Open Question: Find the electric field between the plates of a capacitor given the following:? (1) C= 10pF (2) the capacitor is connected to a 25 V battery (3) there is a vacuum between the capacitor plates (4) plate separation is 2 mm
*Sunday, March 3, 2013 at 6:40pm*

**College physics**

Open Question: Two equal point charges of 5 µC are on the horizontal axis. One charge is at -10 cm, the other is at +10 cm.? These two charges don't move, they are STUCK, take the potential to be zero at infinity. Find the potential at the following coordinates: (0,0...
*Sunday, March 3, 2013 at 6:39pm*

**College Physics**

0,0 is the origin there is no repelling charge
*Sunday, March 3, 2013 at 6:38pm*

**College Physics**

Is there some sort of repelling positive charge at the origin or what ? If so the kinetic energy at infinity has to equal the potential energy at 20 cm
*Sunday, March 3, 2013 at 6:19pm*

**College Physics**

A proton is put on the positive Y axis a large distance (100km) from the origin. What is the minimum speed required in the - Y direction so the proton will just reach the point (0,20) cm?
*Sunday, March 3, 2013 at 6:01pm*

**Application/Writing Sample**

I think it depends on what the application is for (a college? a job in the tech industry? what?).
*Friday, March 1, 2013 at 7:29am*

**MONGU COLLEGE **

During an experiment conducted on the effort E to lift a load W when using a simple the following values were recorded. ………………
3;………………………………………&#...
*Thursday, February 28, 2013 at 6:13pm*

**MONGU COLLEGE **

During an experiment conducted on the effort E to lift a load W when using a simple the following values were recorded. ………………
3;………………………………………&#...
*Thursday, February 28, 2013 at 6:13pm*

**MONGU COLLEGE**

Uksis m16 ussr adfd ssa f2b
*Thursday, February 28, 2013 at 6:04pm*

**MONGU COLLEGE**

a. depends on the radius...arclength=angle*radius b. area=angle* radius^2 /2
*Thursday, February 28, 2013 at 5:41pm*

**MONGU COLLEGE **

In a single swing pendulum moves through an angle of 1.92 Radian. (a). Determine the length of arc treated by the pendulum Bob. (b). The area of the sector if the length of the pendulum is 13.2cm.
*Thursday, February 28, 2013 at 5:00pm*

**MONGU COLLEGE **

In a single swing pendulum moves through an angle of 1.92 Radian. (a). Determine the length of arc treated by the pendulum Bob. (b). The area of the sector if the length of the pendulum is 13.2cm.
*Thursday, February 28, 2013 at 5:00pm*

**College Physics**

23
*Thursday, February 28, 2013 at 6:03am*

**general chemistry College**

See your other post.
*Thursday, February 28, 2013 at 12:05am*

**general chemistry College**

The only one that has CO2 IN IT is Na2CO3.
*Thursday, February 28, 2013 at 12:05am*

**general chemistry College**

Which of the following mixture would be most likely to produce carbon dioxide? Explain Why? a. magnesium and nitric acid: Mg+ HNO3 b. sodium carbonate and sufuricacid: Na2CO3+H2SO4 c. H2O+ Cu
*Wednesday, February 27, 2013 at 11:05pm*

**general chemistry College**

Which of the following mixture would be most likely to produce carbon dioxide? Explain Why? a. magnesium and nitric acid: Mg+ HNO3 b. sodium carbonate and sufuricacid: Na2CO3+H2SO4 c. H2O+ Cu
*Wednesday, February 27, 2013 at 11:04pm*

**college algebra**

So first put y=2f(x+2)-3 into f(x) graphing form. And then flip the x and the y.
*Wednesday, February 27, 2013 at 9:49pm*

**college algebra**

I need to graph y=2f(x+2)-3 and then graph f(-x) Where do I start?
*Wednesday, February 27, 2013 at 7:48pm*

**college algebra**

I need to graph y=2f(x+2)-3 and then graph f(-x) Where do I start?
*Wednesday, February 27, 2013 at 7:20pm*

**college algebra**

Transformation f ty transform graph y=x^2 or y=|x| graph for f by hand f(x)=2|x-6|-4
*Wednesday, February 27, 2013 at 7:12pm*

**MATHS COLLEGE. MONGU**

(1.4-1.2)/1.2 = .2/1.2 = 1/6 = 16.6%
*Wednesday, February 27, 2013 at 6:38pm*

**MATHS MONGU COLLEGE**

you can always multiply by 1 without changing anything 50km/hr * 10^6mm/km * 1hr/3600s = 13888.8mm/s 60L * .001m^3/L = .06m^3
*Wednesday, February 27, 2013 at 6:38pm*

**MATHS MONGU COLLEGE**

v = πr^2 h Just plug in the known values 386000 = π r^2 (1.3*2r) = 2.6π r^3 r^3 = 386000 / 2.6π r = 36.15, so d = 72.30
*Wednesday, February 27, 2013 at 6:32pm*

**MATHS MONGU COLLEGE **

A cylinder whose volume is 386,000m3 has it's length 1.3 times its diameter. calculate the diameter of the cylinder given that the volume V = 3.142r2h.
*Wednesday, February 27, 2013 at 5:00pm*

**MATHS MONGU COLLEGE **

Express (a) 50 km/hour mm/s. (b) 60 litres in m3 cube if 1 litre = 0.001m3.
*Wednesday, February 27, 2013 at 4:48pm*

**MATHS COLLEGE. MONGU **

one to increased costs the labour charge of a certain establishment from $1.20 to $1.40 per hour .what is the percentage increase.
*Wednesday, February 27, 2013 at 4:41pm*

**College Algebra**

To get the height if dropped from 50 feet, just use the same bounce ratio. This assumes that the ball rebounds just the same if dropped from a height 6 times as high.
*Wednesday, February 27, 2013 at 11:51am*

**College Algebra**

Alfred has just developed a new super ball and you have been asked to test its rebound capabilities. From your experiment you have found if you drop the ball from a height of 250 centimeters the first bounce average is 180 cm. rebound ratio = ? Using this rebound ratio, ...
*Wednesday, February 27, 2013 at 8:59am*

**College Calculus**

50 pi gorillas
*Wednesday, February 27, 2013 at 2:00am*

**college algebra**

I hope you realize that you have not asked a complete question. Look at the related questions below for a complete question and answer by PsyDAG. The numbers may be different. The method remains the same.
*Wednesday, February 27, 2013 at 1:38am*

**college algebra**

Some bank robbers leave town, speeding at 70mph. Ten minutes
*Wednesday, February 27, 2013 at 1:30am*

**economics**

šPlease explain these question in words! š How will demand and supply curve shift? 1. Labor market for math and science teachers when wages available in private industries utilizing these skills rise. 2. Labor market for university professors when college...
*Wednesday, February 27, 2013 at 1:28am*

**college chemistry**

during a liquid-liquid extraction the procedure often calls for the use of saturated NaCl when ether is used as the extraction solvent, but not when dichloromethane is used. why?
*Tuesday, February 26, 2013 at 11:28pm*

**college physics**

how high will 2.10-kg rock go if thrown straight up by someone who does 70.0J of work on it? neglect air resistance
*Tuesday, February 26, 2013 at 11:12pm*

**help college algebra**

Finding the weight of a ball with a 3-inch radius
*Tuesday, February 26, 2013 at 10:11pm*

**College Algebra**

Texas Lottery: grand prize is 1,000,000 dollars. Tickets cost $2 Expected number sold: 4.3 million. probability win: 1/4.3million expected value of a $2 ticket=1million/4.3 million=23cents
*Tuesday, February 26, 2013 at 7:56pm*

**College Algebra**

Develop a tree diagram for tossing two, eight-sided gaming dice to figure out how many possibilities there are. Discuss the purpose of using such a visual in working out probability.
*Tuesday, February 26, 2013 at 7:54pm*

**College Algebra**

Provide one example to show how you can use the Expected Value computation to assess the fairness of a situation (probability experiment). Provide the detailed steps and calculations.
*Tuesday, February 26, 2013 at 7:53pm*

**MONGU COLLEGE**

perpendicular to 5x-2y=10 2y=5x-10 x=2.5 x-2 slope is 2.5, so slope of line perpendicular is -1/2.5 or -2/5 y=-2/5 x + b but it goes thru 0,0 0=-2/5 (0)+b so b = 0 equation of the line: y=-2/5 x Rx in communication skills? I don't know. In Communication (Electronics) ...
*Tuesday, February 26, 2013 at 7:52pm*

**MONGU COLLEGE**

what does RX mean in communication skill.
*Tuesday, February 26, 2013 at 7:03pm*

**MONGU COLLEGE**

find the line perpendicular and passes through (0,0) 5x-2y =10
*Tuesday, February 26, 2013 at 6:47pm*

**MONGU COLLEGE**

series is geometric, r=1/2 4,2,1,1/2,1/4,1/8 .... use geometric sum formula, a0=4, r=1/2
*Tuesday, February 26, 2013 at 6:39pm*

**MONGU COLLEGE**

1.Determine the sum of infinity of the series 4,2,1
*Tuesday, February 26, 2013 at 6:38pm*

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