Sunday

September 21, 2014

September 21, 2014

Total # Posts: 53

**physics**

On a banked race track, the smallest circular path on which cars can move has a radius of 117 m, while the largest has a radius 167 m, as the drawing illustrates. The height of the outer wall is 18 m.
*September 20, 2014*

**physics**

The steel I-beam in the drawing has a weight of 7.10 kN and is being lifted at a constant velocity. What is the tension in each cable attached to its ends? (Assume α = 70.8°.)
*September 20, 2014*

**Stat**

Kindergarten children have heights that are approximately distributed normal. A random sample of size 20 is taken and the mean x and the standard deviation s are calculated ( x = 40 inches and s = 3). a. Is there sufficient evidence to indicate that the mean of kindergarten ...
*August 5, 2014*

**Math 11**

I am really stuck at these 4 questions. Pls help: a) Two spheres of the same density have a ratio of 9 to 16 inches in surface area, If the small sphere weighs 15 kg what does the sphere weighs. Answer to the nearest 10th of KG. b) The ratio of the volume of two cubes is 216 ...
*April 7, 2014*

**chemistry**

If 51.6 mL of ethanol (density = 0.789 g/mL) initially at 6.4°C is mixed with 48.9 mL of water (density = 1.0 g/mL) initially at 29.1°C in an insulated beaker, and assuming that no heat is lost, what is the final temperature of the mixture?
*October 15, 2013*

**physics**

6.(a)answer: 4
*October 13, 2013*

**Quantum Physics**

Q:7&Q:8 PLEASE
*October 12, 2013*

**Quantum Physics**

4(a):-1 4(b):4 4(c):last option
*October 12, 2013*

**Quantum Physics**

1(a):z 1(b):x 1(c):x 1(d):z 1(e):z 1(f):x,x
*October 12, 2013*

**Quantum Physics**

6(b):64 6(c):63
*October 12, 2013*

**Quantum Physics**

1(e)answer :z
*October 12, 2013*

**Business; Finance**

6.52
*July 25, 2013*

**Math**

zero
*May 5, 2013*

**finance**

11-10. A U.S. firm wants to raise $15 million by selling 1 million shares at a net price of $15. We know that some say that firms “leave money on the table” because of the phenomenon of underpricing. a. Using the average amount of underpricing in U.S. IPOs, how many ...
*May 5, 2013*

**Accounting **

Hello, I’m having a difficult time understanding how to adjust the following unadjusted accounts: A/R …………………………………..480,000 Accum. Depr, building………116,000 Accum. Depr, equipment…332,000...
*January 27, 2013*

**statistics**

Five percent of all items sold by a mail-order company are returned by customers for a refund. Find the probability that of two items sold during a given hour by this company both will be returned for a refund (round to four decimal places).
*October 12, 2012*

**Chemistry**

Methane gas reacts with diatomic sulfur in the gas phase, producing carbon disulphide and hydrogen sulfide. The rate constant for this reaction is 1.1 (L/M.s) at 550 oC. If it is 6.31 (L/M.s) at 624 oC, what is the value of the activation energy for this reaction.
*October 9, 2012*

**physics**

A 3 kg toy car with a speed of 10 m/s collides head-on with a 2 kg car traveling in the opposite direction with a speed of 2 m/s. If the cars are locked together after the collision with a speed of 5.20 m/s, how much kinetic energy is lost?
*September 18, 2012*

**physics**

A 3 kg toy car with a speed of 10 m/s collides head-on with a 2 kg car traveling in the opposite direction with a speed of 2 m/s. If the cars are locked together after the collision with a speed of 5.20 m/s, how much kinetic energy is lost?
*September 18, 2012*

**physics**

A 3 kg toy car with a speed of 10 m/s collides head-on with a 2 kg car traveling in the opposite direction with a speed of 2 m/s. If the cars are locked together after the collision with a speed of 5.20 m/s, how much kinetic energy is lost?
*September 18, 2012*

**Science help**

all answer is correct
*June 21, 2012*

**Chemistry**

What is the answer to the second part of the question?
*March 8, 2012*

**real analysis**

How to find the perpendicular to the victor space R^k
*February 6, 2012*

**math**

what is the positive value of n if the slope of the line joining (6,n) and (7 pie squared) is 20?
*December 20, 2011*

**Regression Analysis**

In order to qualify for federal job training funds, a neighborhood group must provide an estimate of the mean of education level of unemployed youths less than or equal to 21 years old. The group plans to survey youth in its service area. The population of unemployed youth in ...
*November 4, 2011*

**Advanced Math**

Find the equation of the circle where the center is on the line 8x + 5y - 8 =0 and passing through point (2,1) and point (3,5)
*February 28, 2011*

**Advanced Math**

write the equation of the circle that satisfies each set of conditions. the center of the circle is on the x-axis, its radius is 1, and it passes through the point (square root of 2 over 2, square root of two over 2)
*February 28, 2011*

**New Testament?**

In Luke Chapter 10, how did Jesus respond to the rejoicing of the seventy disciples who had returned after a "missions trip"? (THERE CAN BE MORE THEN ONE ANSWER.) A.He rebuked them. B.And he turned him unto his disciples, and said privately, Blessed are the eyes ...
*January 5, 2011*

**Math- HELP**

There is a triangle inside of a circle. I have to find area of the shaded region which is the circle. So i would have to substract the area of the triangle from the area of the circle. the radius of the circle is 3 inches. I found the area of the circle..it is 28.27 in.^2 I am...
*December 2, 2010*

**physics problem ???**

A projectile is ejected from a 25-m high tower with a velocity of 40 m/s at an angle of 30 degrees to the horizontal first on Earth and then on Mars. What is the ratio of the time taken to hit the ground on Mars compared to Earth?? (Assume gravity of mars= 0.38 gravity on ...
*December 1, 2010*

**medical coding 1 **

if u you have not submitted the answers, then i can help u
*August 5, 2010*

**accounting**

$8,000 in 5 years at a semiannual discount rate of 6%
*July 2, 2010*

**reimbursement methodologies**

The answer to Q-4 is option C and answer to Q-5 is option D
*May 11, 2010*

**Physics**

What is the energy of a hydrogen atom with a 1.70 nm diameter?
*April 25, 2010*

**DRAMA**

Thanks RubyQ the answers were all correct. 100!
*December 10, 2009*

**French**

How would one say in French "I can't believe it's been a year since I last saw you?" Merci!!
*June 28, 2009*

**French**

Vous m'avez inspiré de développer une si grande passion pour le tennis" Is this the best translation for "you have inspired me to develop such a big passion for tennis?"
*June 10, 2009*

**French**

"a huge interest in the culture" would that be "un grand interet dans la culture?" or is there a better way to phrase it? Thanks
*June 8, 2009*

**French**

1. Should it be "les quatre dernières années" or "les quatre années dernières?" 2. How does one say in French "you have influenced me to create..." merci!
*June 8, 2009*

**french**

"Je te remercie pour tout que vous avez fait pour moi pendant ces quatre annees passees" Does the last part of this sentence translate correctly to "during the last four years years?" thanks
*May 2, 2009*

**Bio Question**

I've tried to find the answer to this question everywhere and don't seem to be having any luck, please help! Most of the dry weight of a plant is the result of uptake of A. water and minerals through root hairs B. water and minerals through mycorrhizae C. CO2 through ...
*April 6, 2009*

**science**

if you had 1.5 liters of water, how many millilimeters would you have?
*January 8, 2009*

**Geography/Social Studies**

i don't know answer. you tell me the answer. i will share the money.
*October 31, 2008*

**sose**

what measures has Australia taken to try and stop animal polution?
*June 7, 2008*

**sose**

sorry Australia only....
*June 7, 2008*

**sose**

what areas have gone to great lengths to prevent runoff from animal waste?
*June 7, 2008*

**sose**

what can we do to help the environment?
*May 22, 2008*

**biology**

What is the BEST way to determine taxomic relationship between 2 organisms
*April 15, 2008*

**Biology**

Chordata is to Animalia as phylum is to:
*April 15, 2008*

**math-check my work**

I have a bag of m&m's with 52 in it and on the pkg it states it weighs 47.9g. If I divide by 52 it gives me .92g per m&m. To find out what the mass is of a mole of m&m's do I Multiply 6.02 x 10^23 x .92g for my answer?
*November 9, 2007*

**math**

can an inner product space v have a t invariant subspace U but also have an orthogonal complement that is NOT t-invariant???
*March 3, 2007*

**Math-approximation with fractions:7th grade math**

How do you find the greater fraction with approximation? 14. 5/12, 17/30 I know that you need to make 5/12 = 6/12 and 17/30 = 15/30 Then compare them to half or something? I'm confused?! Any clear help and instructions? There are hundreds of ways to make greater fractions...
*November 19, 2006*

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