Tuesday
September 16, 2014

Posts by MK


Total # Posts: 51

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

Physics
q:1
October 15, 2013

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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