Questions Asked on
December 25, 2014

Math (PreCalculus)
A spring with a weight attached is oscillating. The weight (which is attached at the bottom of the spring) is 5 feet from a 10foot ceiling when it’s at rest. The motion of the weight can be described by the equation: y=3sin(pi*t  pi/2) , where y is the
asked by Steve 
science
how are relative dating and absolute dating different
asked by susan 
physics
Two bodies of mass 3kg and 4kg are suspended at the ends of massless string passing over a frictionless pulley .the acceleration system is
asked by prakhar 
geography
Following the breakup of the soviet union, 15 of its former republics became independent. 12 of these former republics formed the commonwealth of the independent states, largely in recognition of
asked by Carol Jackson 
precalc
The angle of elevation to the top of a building from a point on the ground 20 degrees and the angle of elevation from a point 25 feet farther away is 12 degrees. Find the height of the building. How would I begin to solve this problem? I do not know what
asked by adam 
university bahrain
Q4. Many organizations find themselves in the apparently contradictory position of having high levels of financial investment in inventory, but at the same time frequently running out of stock of important components and materials.
asked by ali bahaj 
physics
A golfer takes two putts to sink his ball in the hole once he is on the green. The ﬁrst putt displaces the ball 8.70 m east, and the second putt displaces it 6.04 m south. What displacement would put the ball in the hole in one putt? Answer in units of m
asked by Anonymous 
biology(really need help!)
What role does the lilac flower play in its natural ecosystem? What is its niche in the food web Are there any ecological issues surrounding the lilac flower(e.g. are its populations decreasing, is it spreading uncontrollably..)
asked by rosie 
maths
If lemon is divided into four equal parts then find the total surface area of one part of lemon
asked by sanjay 
math
How many products do I have to sell at $19.99 to make a billion dollars. please show me how you figured the problem out. Thank you and Happy Holiday
asked by Anita 
chemistry
Which alkyl halide should be used to prepare pent2ene and why?
asked by Rakshit Gupta 
math
find the two numbers that are twice as far from 15 as they are from 24
asked by yuriy 
Math
Find the amplitude, frequency, and distance when t=3 a. y=15cos((pi*t)/3)+5 b. y=120sin100pi*t I think the amp for a. is 15, the freq is 3/2 cycles per unit of time, and the distance is 20, but I'm not totally sure if I'm approaching this problem
asked by Andrew 
Algebra
Find amplitude period and phase shift for F(x)=3cos(4x+n)+6
asked by Jim 
english
Arrange the sentences logically. a. One day last week, I went next door to take some pictures of Coke and her newborn puppies. b. Only later did I learn that all animals are very protective of their young. c. Photographing pets can sometimes be a dangerous
asked by cyrille 
binomial
expand (x+8y)^5 using the binomial theorem up to x^3. hence find the value of (1.08)^5 correct two decimal place.
asked by menaga 
Chemistry
What are the different ways to split a mixture of benzene and methanol into its constituents using a 2 phase system separation ?
asked by Henry 
algebra
The doctor want to know the effect of reducing blood pressure for a new medicine, chose 28 hypertensive patients to divide two groups randomly, one group as trial, another as control. the trial use the new medicine, the control use the standard medicine.
asked by alfateh 
algebra 3
. A physician made a survey of the roundworm infection of a rural region in Hubei province in 1999. There were 68 infected among the 350 randomly sampled males, and 36 infected among the 250 females. (1). Please make a statistical table according to the
asked by alfateh 
French
Which sentence is correct? Les chiens de filles sont gentils. Les chiens des filles sont gentils.
asked by Anonymous 
maths
I am fraction they say i m nt proper i may be improper but when u solve me u get number seven my number is 21.wht fraction am i?
asked by kris 
algebra
3(x2)(x+6)5(x2)(x3)
asked by Aem Sochen 
Health
Could you help me in making a Total Health Package cause seriously i really don't have any idea how to make this ??
asked by josh