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October 1, 2014

Posts by Sunny


Total # Posts: 243

Stats
Studies show that 38% of all women suffer from hip fractures caused by osteoporosis by age 85. If 6 women aged 85 are randomly selected, what is the probability that A) None will suffer or has suffered a hip fracture P(x = 0) B) At least 4 have suffered a hip fracture P(x &...
January 23, 2010

chem
The 4 atoms.unit cell is where I got confused. How do you know that? And how does it change for hexagonal close pack and body centered cubic?
January 20, 2010

chem
An element has ccp packing with a face-centered cubic unit cell. Its density is 1540 kg/m3 and the unit cell volume is 1.73 x 10-22 cm3. Calculate the molar mass (g/mol) of the element to three significant figures. CCP: cubic close pack
January 20, 2010

chemistry
The hydrogen emission spectrum has four series (or sets) of lines named Balmer, Brackett, Paschen, and Lyman. Indicate the energy (infrared, ultraviolet, or visible), the nf value for each series, and all possible ni values up to 7. ( Separate the values with commas from ...
January 14, 2010

chem
The hydrogen emission spectrum has four series (or sets) of lines named Balmer, Brackett, Paschen, and Lyman. Indicate the energy (infrared, ultraviolet, or visible), the nf value for each series, and all possible ni values up to 7. ( Separate the values with commas from ...
January 14, 2010

algebra 1
I'm really struggling with word problems. I don't know how to set this up. 2. You own a piece of land on which you owe the bank $12,760 to the bank. You decide to sell the land and want enough money to pay off the mortgage of the land. The real estate agent gets 6% of ...
January 13, 2010

math
if i forgot the product of 9 and 9 what can i do to figure it out
January 11, 2010

Math
Each person would get 8 pieces of land.
December 8, 2009

Math
-If you take 24 divided by three it would equal up to eight. -Then if you multiply eight times three it would equal up to 24. -Finally if you take 8 and put it on top of 24 it would make a fraction.
December 8, 2009

Algebra 2
A blue print of a shopping complex shows that the bottom edge of the roof to be 93 feet above the ground. If the roof rises to a point 171 feet above the ground over a horizontal distance of 6.5 yards, what is the slope of the roof? I am positive the answer is twelve, but the ...
October 14, 2009

Algebra 1
2y/5+5=9 Please solve this problem and show your steps, (like a t-chart.) Thank You!!! :)
October 11, 2009

geometry
48
September 26, 2009

Science
HI, i want to make Working models on these subjects. 1. Climate Change 2. Green Energy 3. Biology Human welware 4. Information and communication technology 5. Mathmatics in everyday life 6. Science and technology in games and sports 7. middle Sciece Please Suggest me what ...
August 17, 2009

Physics
Global Positioning System (GPS) satellites circle Earth at altitudes of approximately 20000 , where the gravitational acceleration has 5.8% of its surface value.
August 10, 2009

maths
prove that cos3x+sin3x/cos x-sin x=1+2sin2x
July 22, 2009

english/history
intead of was it should be were because it is supporters
April 1, 2009

english/history
yes this make sense
April 1, 2009

Social Studies
tell me a website from where i can get serial and keygen of softwares
April 1, 2009

Science
Tell me a website from where i can get serial and keygen of softwares.
April 1, 2009

Algebra 2
1/x+12=3x/3x^2+36
January 22, 2009

10th grade
ok
January 22, 2009

TO ALL STUDENTS
ok
January 18, 2009

Science
If you were flying directly south from the north pole and reached 70 degrees north latitude, how many more degrees of latitude would be left to pass over before you reached the south pole?
December 31, 2008

science
thank you very much, that really helps!
September 13, 2008

science
thank you! :)
September 13, 2008

science
thanks!
September 13, 2008

science
could someone please tellme what the orce of gravity acting upong me by Mars, Jupiter, and the moon are? I've been trying to find their gravity online, but I can't find it anywhere.
September 13, 2008

Introduction to Business
What is intreport?
August 18, 2008

Maths - check answer
On the May 1 billing date, Mary had a balance due of $970.60 on her credit card. The transactions during the following month were: May 5 Payment $400.00 May 10 Charge: airline tickets $381.00 May 22 Charge: hotel $270.60 May 25 Charge: florist $60.20 The interest rate on the ...
March 11, 2008

Maths
Can Please someone check if i did this right 970.60*4 = 3882.4 970.60-400 = 570.60 * 5 =2853 570.6+381 = 951.6*12 = 11419.2 951.6+270.6=1222.20*3 = 3666.6 1222.2+60.2 = 1282.40*7 = 8976.80 total AVD = 30798/31 = 993.48 Finance charge = 993.48*0.012 = 11.92
March 11, 2008

Maths
On the May 1 billing date, Mary had a balance due of $970.60 on her credit card. The transactions during the following month were: May 5 Payment $400.00 May 10 Charge: airline tickets $381.00 May 22 Charge: hotel $270.60 May 25 Charge: florist $60.20 The interest rate on the ...
March 11, 2008

Math - Credits & finance charges
Can Please Someone help me with this Thanks
March 10, 2008

Math - Credits & finance charges
On the May 1 billing date, Mary had a balance due of $970.60 on her credit card. The transactions during the following month were: May 5 Payment $400.00 May 10 Charge: airline tickets $381.00 May 22 Charge: hotel $270.60 May 25 Charge: florist $60.20 The interest rate on the ...
March 10, 2008

Math - Credits & finance charges
On the May 1 billing date, Mary had a balance due of $970.60 on her credit card. The transactions during the following month were: May 5 Payment $400.00 May 10 Charge: airline tickets $381.00 May 22 Charge: hotel $270.60 May 25 Charge: florist $60.20 The interest rate on the ...
March 10, 2008

grammar..adjective and adverbs..PleaseRespondASAP
is ten nad adjective or an adverb
January 30, 2008

algebra
simplify y^3-64 / y-4
September 8, 2007

algebra
2/x^2+2x+3/x+1/x+2
September 8, 2007

algebra
simplify 5- 1/x-4
September 8, 2007

algebra
divide 5/x+4 / 30/6x+24
September 8, 2007

algebra
fin set of values 3x/x+2
September 8, 2007

algebra
simplify 7-t/t^2+1 - t-2/t^2+1
September 8, 2007

Astronomy
A cinder block can be weightless in space. Would you want to kick it with your bare foot? Even If it is weightless, does it have mass? An astronaut, circling the earth in the Space Shuttle, senses that his apparent weight is zero. He cannot feel the normal earthbound sensation...
April 10, 2007

Earth
1. If the Earth were the size of B-B (with a radius of about 0.2 centimete), how big would the Sun be? How big would the Milky Way be? 2. Imagine building a model of the Solar System on your campus. Work out the diameter and spacings of the planets in millimeters and meters ...
April 3, 2007

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