Total # Posts: 105
A bag contains 12 blue, 5 red and 3 green marbles. Amy selects a marble and then returns it to the bag before selecting a marble again. If Amy selects a blue marble 4 out of 20 times, what is the experimental probability that the next she selects will be blue?
August 2, 2016
I was given a list of 14 different solutions, and My homework question asks which of the solutions exhibit the common-ion effect and which ones are buffers? But, how would I be able to tell???
February 29, 2016
I have to write a 300-500 word essay answering the following questions What benefits do you expect to achieve from career exploration? What do you expect to be the most challenging parts of your career planning process? Why? What questions do you hope to answer about career ...
January 26, 2016
My question is: What is the mass of solute in a 25.0 g of 10.0 %(m/v) sucrose solution? (Assume density of solution is 1.15 g/mL) I was wondering if my answer: 2.17 g solute is correct? Thank you
December 9, 2015
Ariel is making flower arrangements. He has 7 roses and 14 daisies. If Ariel wants to make all the arrangements identical and have no flowers left over, what is the greatest number of flower arrangements that he can make?
October 8, 2015
A soccer player kicks the ball toward a goal that is 23.0 m in front of him. The ball leaves his foot at a speed of 17.6 m/s and an angle of 29.0 ° above the ground. Find the speed of the ball when the goalie catches it in front of the net.
February 6, 2015
An object is dropped from a balloon from a height of 500m. (a) How long does it take to reach the ground? (b) If the object has an initial velocity of 12m/s, how long does it take to reach the ground? How far will it fall in 5 secnds?
December 7, 2014
impact of energy use
1. Fossil fuels are (1 point) a natural resource. i pick this one renewable. made from minerals. burned in hydroelectric plants. 2. Which of the following is a consequence of using fossil fuels as an energy source? (1 point) decreased carbon ...
December 2, 2014
Calculate the gravitational potential energy of the water in a lake of volume 100km^3 (mass=1.0x10^14kg). The lake has an average height of 50m above the hydroelectric generators at the base of the dam holding the water back.
September 23, 2014
mineral=aluminite, cryptohalite, fluorannite, graphite, titanium, ziesite density (g/cm^3)=1.68, 2 1/100, 3 7/40, 2.16, 4 2/5, 3.86 1. explain why the densities cannot be represented using set-builder notation. 2. use interval notation to describe a set of numbers that ...
August 28, 2014
5-CGCACCTGTGTTGATCACCTAGCCGATCCACGGTGGATCCAAGGC-3 ||||||||||||||||||||||||||||||||||||||||||||| 3-GCGTGGACACAACTAGTGGATCGGCTAGGTGCCACCTAGGTTCCG-5 Tip: If you want to see a review of PCR, we recommend this amazing animation and virtual lab made by the ...
August 4, 2014
4. Find the monthly payment for the loan. (Round your answer to the nearest cent.) $700 loan for 12 months at 15% 5. Find the monthly payment for the loan. (Round your answer to the nearest cent.) A $128,000 home bought with a 20% down payment and the balance financed for 30 ...
February 19, 2014
Water Cycle:Evaporation (cause by sun) (sun gives off heat in light in order for H20 to evaporte) Condensation (form of coulds) Precipation (coulds get to hevay and relase all its water;sleet rain hail snow...other..)runoff (water thats seeps into the ground)ground water (...
February 10, 2014
1. A customer comes into Pierre's and orders a random assortment of 6 danish. At the time she comes in, there are 26 danish sitting out: 12 raspberry, 8 cheese, and 6 cinnamon. Assume the danish are not replaced. a) What is the probability that the third and fifth danish ...
November 10, 2013
A store gave away a $5 gift card to every sixth customer and a $10 gift card to every tenth customer.Which customer would be the first one to receive both a $5 and a $10 gift card?please help
November 5, 2013
A narrow beam of light passes through a plate of glass with thickness 1.4 cm and a refractive index 1.55. The beam enters from air at an angle 23.5 . The goal is to calculate the deviation d of the ray as indicated in the figure.
January 15, 2013
Film and Literature
Apply at least one of the critical approaches introduced in this week's lecture (reader-response/viewer-response, psychoanalytic, or historical criticism), to "Memento Mori" and Memento. How might these approaches help us make sense of this story and its film ...
September 25, 2012
An aluminum vessel with a volume capacity of 570 cm3 is filled with water to the brim at 20.0°C. The vessel and contents are heated heated to 58.9°C. During the heating process, will the water spill over the top (in this case the answer would be positive), will there ...
April 8, 2012
the standard molar enthalpy and entropy of the denaturation of a certain protein are 512 kj/mol and 1.60 kj/K. mol, respectively . comment on the sign s and magnitudes of these quantities, and calculate the temperature at which the process favors the denatured state
March 4, 2012
Have there been territorial disputes or boundary changes in Turkey. I've been trying to research them and find a map of how Turkey used to look, but I coun't find any good information. If anyone could help with any websites about it, I would really appreciate it! ...
December 11, 2011
N2O undergoes thermal decomposition at 730°C to nitrogen (N2) and oxygen (O2) via first-order kinetics with a half-life of 3.58 x 103 minutes. Calculate the time required for 90% of a sample of N2O to decompose at 730°C.
December 5, 2011
A small seminar class consists of Anne, Bill, Cathy, Dan, Ellen, and Frank. The teacher has been told that 2 of them are from Indiana, 3 of them are from Michigan, and the other 1 is from Ohio. But the teacher does not know who is from which state. So the teacher decides to ...
October 13, 2011
Suppose you have $55 in your account. You start saving $10 each week. Your friend has $20 in her account and is saving $15 each week. A) When will you and your friend have the same amount of money in your accounts? B) How much money will each of you have?
May 16, 2011
there are two 1's,two 2's,and two 3's.There is one digit between the two 1's, there are two digits between the two 2's, and there are three digits between the two 3's. Holding number cards,can you duplicate this sequence of numbers?
March 17, 2010
When infected with certain bacteria or viruses our bodies produces a fever. Fevers occur when the hypthalamus changes its temperature set point. Signaling of the hypothalamus could be direct (from infectious agent itself) or indirect (from the immune sytem). Which of these ...
March 2, 2010
In the 6th grade social studeis class Mrs. Jones asked Tom to stop talking with his neighbor, but he continued. After three other reminders, Mrs Jones asked Tom to move to another seat. Tom refused saying "You can't make me move.: What would you do? Short term ...
February 19, 2009