Questions Asked on
December 24, 2012

math
A school has 63 students studying Physics, Chemistry and Biology. 33 study Physics, 25 Chemistry and 26 Biology. 10 study Physics and Chemistry, 9 study Biology and Chemistry while 8 study both Physics and Biology. Equal numbers study all three subjects as
asked by ifi 
maths
AB=36 cm and M is the midpoint of AB. Semicircles are drawn on AB,AM and Mb as diametrs.A circle with centre C touches all the three circles. Find the area of the shaded region.
asked by Anonymous 
Science 24
calculate the momentum of a 2000kg truck travelling 19 m/s.
asked by seanna 
Physics
A 1.0kg mass weighs 9.8 Newton on earth's surface, and the radius of Earth is roughly 6.4 x 10 to the power of 6. The mass of the earth is 6.02 x 10 to the power of 24. Calculate the average density of Earth?
asked by Rebecca 
Physicsmechanics
Two spheres are placed so that their centers are 2.6m apart. the force bvetween the two spheres is 2.75 x 10 to the power of negative 12 Newton.What is the mass of each sphere if one sphere is twice the mass of the other sphere?
asked by Rebecca 
pennfoster
Research project. The HIPAA privacy standards that went into effect in April 2003 greatly affact both the privacy rights of patients and the duties of medical personnel
asked by Goddy 
in chem
calculate the mass of this sample: 1.05 * 10 to the power of 26 atoms of neon, Ne(g) I know that I have to first divide by the avagadros constant, then once get the moles I need to multiply by the molar mass of neon to get the grams, I did that sevral
asked by Help 
ctu
Diane works at a public university. She contributes $625 at the end of each month to her retirement fund. For the past 10 years, this fund has returned 3.84% a year, compounded monthly. a. Assuming the 3.84% rate continues, how much will she have in her
asked by Anonymous 
maths plse help me..
In a pentagon ABCDE, angle B = 168, angle C:angleD = 23:25 and AB//ED. Find angle C and angle D.
asked by Anonymous 
matg
erin is makin fruit punch for her friends to make the drink she mixes 3 quarts of fruit juice with half quart of ginger ale.what is the ratio of fruit to ginger ale in her drink
asked by zoie 
maths
Express sin 2x cos 4x as a sum of trigonometric functions
asked by tom 
fin/370
The target capital structure for Jowers Manufacturing is 51% common stock, 20% preferred stock, and 29% debt. If the cost of common equity for the firm is 20.8%, the cost of preferred stock is 11.8%, and the before tax cost of debt is 10.8%, what is the
asked by at 
maths plse help me..
ABCD ia a parallelogram whose diagonals intersecting at E. AC is produced to F such that CF=AE. Prove that ar(BDF)=ar(parallelogram ABCD)
asked by Anonymous 
science atmospheric layer
why is the mesosphere important to the atmosphere?
asked by Anonymous 
maths
In a parallelogram ABCD, diagonals AC & BD intersect at O. E, F, G, & H be the midpoints of sides AO, DO, CO & BO. Find the ratio of (EF+GH+HG+EH) TO (AB+BC+CD+AD)
asked by Anonymous 
maths .
If sin theeta=3/5 , cos alpha= 12/13 and theeta,alpha both lie in 2nd quadrant,find the value of tan (theeta+alpha).
asked by Anonymous 
calculus
solve the following inequality. write your solution in interval notation. x^3+9x^2108 less than or equal to 0 please show all work
asked by Josh 
English I Speech
Can anyone please share their idea of a strong, powerful hook, background information and thesis about fracking? Please this urgent. Be quick like your life depends on it.
asked by Tony 
English I Speech
Can anyone tell me 3 reasons why fracking is either good or bad and 3 supporting details? Please, thank you It's urgent
asked by Tony 
maths
A motor boat goes downstream twice as fast as upstream. Find the power speed of the boat if the water flows at 6km/h.
asked by Anonymous 
maths
If y=x+tanx then prove that cos^2x(y2)2y+2x=0 where y2 is the second derivative...plz help me out.
asked by abhi 
PLEASE HELP
WHAT ENVIRONMENT IS BETTER FOR WHALE LAND OR SEA WHY PLEASE HELP PLEASE
asked by MARK HARIZON 
Math
Factor this a^2b^2 ab^3+16b^4
asked by Praphul 
calculus
can someone please help me find all the zeros of the following polynomial. write the polynomial in factored form. f(x)=x^33x^2+16x48 can you please show all work
asked by Josh 
science
what is the temperature range of the stratosphere?
asked by Anonymous 
math
three sevenths divided by six thirteenths = ?
asked by lindy 
science
I would like to know the lists of situations in which DNA fingerprinting is useful
asked by Nweni 
physics
when an accident happens in the sea due to collision of ships, there is a huge amount of oil spill in the sea .how does this affect of eco system?what spices of the marine life are affected by it and how?
asked by bhavika 
physics
a cricketer throw the ball to have maximum horizontal range of 120m.if he throws the ball vertically with same velocity what is the maximum height it can reach?
asked by vidya 
business
suppose that al knows that the probability of an investigation is 0.70 how low must the probability of water's completing its research on time be so that the probability of litres being awarded the contract is at least 0.65?
asked by vinoth 
Math!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
The sound intensity of a rainfall is 4.5×10^9 W/m^2. Find the corresponding sound intensity level.
asked by Nicole 
English
Hello. I'll be grateful for some help. 1)Is it possible to use the prepositions "above", "upon", "on" in the phrase "to raise the flag ...Palestine"? 2)Do you think the sentence is OK "He was killed in an Israeli air bombing"? Thank you very much for help.
asked by Ilma 
science
what is the temperature range of the stratosphere?
asked by Anonymous