jeff
This page lists questions and answers that were posted by visitors named jeff.
Questions
The following questions were asked by visitors named jeff.
Just a fun question for you to answer. Consider the choices of native Americans who decide to stay on their tribe's native land and those who consider to relocate to a city. If you were presented with this decision, which would you chose and why? I would...
19 years ago
at one point in time native americans were called Marginal Americans does anyone know why? Please help Thank you for using the Jiskha Homework Help Forum. The term "Marginal Americans" refers to those considered outsiders: ethnic minorities, the poor, the...
19 years ago
When water mixes with carbon dioxide in the air, what is formed? H2O + CO2 --> H2CO3 carbonic acid I don't think this is correct because there is no aid in co2. It just ends up to be CO2 in liquid form. Basically water with air is carbonated water. that i...
18 years ago
Can someone explain rational choice theory to me. How is criminal behavior explained according to the rational choice theory? It is explained here well: http://en.wikipedia.org/wiki/Rational_choice_theory Look at the (unrealistic) assumptions about the wo...
18 years ago
Can someone help me think of physical, environmental, and social factors that might affect criminal behavior. Any websites would be greatly appreciated. http://www.google.com/search?q=factors+criminal+behavior&rls=com.microsoft:en-us:IE-SearchBox&ie=UTF-8...
18 years ago
I am having a difficult time calculating rates and unit prices. Can someone describe a simple process for using rates and unit prices that will help me understand these concepts? I searched Google under the key words "<I>rates 'unit prices'</I>" to get th...
18 years ago
Will someone please show me how to do this problem. I have to write this ratios in simplest form. The ratio of 5 3/5 to 2 1/10. Change each of your mixed fractions to an improper fraction, then divide the first by the second. Remember to divide fraction #...
18 years ago
Can someone explain to me how diversion programs are related to social process theories.
18 years ago
Is there such thing as a personologists? Yes, there are people who profess to be able to deduce people's personality from their facial behavior and body language. They seem to have coined the word and created a profession with that name, even though it is...
18 years ago
I am getting ready to start an Algebra class for the first time and I was wondering what challenges people have with learning and using algebra concepts. Also what are the best ways to over come math anxiety? The best way? Learn the language of algebra.
18 years ago
Find Ó x for the following set of numbers 2, 3, 5, 6, 8, 9, 11. If I knew what that funny looking symbol represents I may be able to do the problem. Can someone explain please. Ok I think I have the answer now. All that symbol means is the mean. The answe...
18 years ago
i need help with this one! A 100KHz oscillator that's followed by a doubler and two triplers will produce an output of frequency.... a.) 180 kHz b.) 500 " c.) 800 " d.) 1.8 "
18 years ago
If the bus is 100 meters ahead of the car and the bus is travling at 65 km/hr and the car at 78km/hr, how long will it take the car to catch the bus? I used the following formula, but was informed my answer was wrong. 100m + (t) 65km/hr = 0 + (t)78km/hr a...
18 years ago
in uncle toms cabin why does eliza think its safe to stop for food at the farmhouse
17 years ago
what are the properties of protagonist
18 years ago
larger land area- california or missouri?
18 years ago
if some one could solve this so i can see if i'am doing it right 8x+y+z=1 7x-2y+9z=-3 4x-6y+8z=-5 thanks
17 years ago
How do I algebraically find the x-intercepts for this equation y = x^3 - 3x^2 + 3. I know I need to plug in y = 0 to solve for x. x^3 - 3x^2 + 3 = 0 But where do I go from there? I don't think I can factor, and I don't think I can use the quadratic formul...
17 years ago
trying to reduce to simpilest form 1.t-a/t^2-a^2 i have 1/2(t+a) 2.3y^3+7y^2+4y/y^2+5y+4 i have cannot reduce thanks
17 years ago
a couple more 1) 3+x(4+x)/3+x i got 4+x
17 years ago
sorry next one is 3a^2-13-10/5+4a-a^2 i got cannot reduce
17 years ago
looking to reduce to lowest term 1) 3+x(4+x)/3+x i got 4+x 2)3a^2-13a-10/5+4a-a^2 i got could not reduce any help would be great
17 years ago
At noon, ship A is 150 km west of ship B. Ship A is sailing east at 35 km/h and ship B is sailing north at 25 km/h. How fast is the distance between the ships changing at 4:00 pm. Find the intervals of increase or decrease find the local maxiumum and mini...
17 years ago
this is a question about anne frank who was martin kelper? can not find anything about him
17 years ago
An arrow with a mass of 0.12 kg is pulled back in a bow. After being held still, it is let go, moving at 23m/s after the 0.51meters in which the arrow is in contact with the bow string? What work was done on the arrow by th bow string? What force was exer...
16 years ago
a box whose mass is 0.3 kg is pushed against a spring(k=40n/m) on a horizontal surface and the spring is compressed 0.12m. The box is released and travels for 1.4 meters before coming to a stop. What is the coefficient of friction between the floor and th...
16 years ago
a block is held 1.3m above a spring and is dropped.The spring compresses 6cm before sending the ball into the air. How fast is the ball going when it hits the spring? What is the spring constant? How high in the air does the ball go after hitting the spri...
16 years ago
A 5 kg box is pushed against a K= 40 n/m spring on a horizontal surface and the spring is compressed 0.12m. The box is released and travels for 1.4 meters before comin to a stop. What is the coefficent of friction between the floor and the box. How fast w...
16 years ago
A bench is made of a 3 meter long plank with a mass of 12kg and 2 sawhorses(each 0.2m from an end).There are two boxes on the bench. A 15kg box is 0.8 meter from the left hand side. A second box is 0.5 m from the right hand side. What would the mass of th...
16 years ago
A 4.74 kg spherical ball with radius 1.4 cm rolls on a track with a loop of radius 39 cm that sits on a table 1.2 meters above the ground. The last 1 meter section of the track is horzontal and is not connected to the rest of the track. 0.33 meters of thi...
16 years ago
A frictionless track with a loop of radius 36 cm sits on a table 0.9 meters above the ground. If a 0.15 kg object just makes the loop, how high above the table did the object start and how far from the table does it land? Can you check my work Mgh - Mg(2R...
16 years ago
NH4HS(s)-> NH3(g) + H2S(g) What direction does the equillibrium shift when NH4HS is added? I think that the equillibrium won't shift since we are adding a pure solid and pure solids are not included in the equillibrium expression. Just want to make sure.
16 years ago
A + B -> C + D (reversible reaction) a 2L container contains 1 mol of C, 1.6 mol of D, 0.8 mol of A snd 0.8 mol of B. Calculate the equillibrium composition of the reaction. Kc =0.065 I think C and D are forming A and B because there is higher concentrati...
16 years ago
Charges A through E have a charge of either + or - 5mC. They are placed at regular intervals along a semicircle of radius 7cm. Find the magnitude and direction of the force exerted on an electron placed at the center of the circle. Find the electric poten...
16 years ago
above the earth, a 500nT magnetic field captures particles coming from the sun. If a proton moving at 600km/s runs into this magnetic field, what is the radius of motion of the proton? and also how long does it take the proton to travel in one circle?
16 years ago
I'm currently writing an essay for a Sociology class(Sociology of Everyday life), my topic was on love and prior to the essay we had to write three proposals for our essay addressing our topic with a focus on the micro-sociological aspect of it. The probl...
16 years ago
A centrifuge has an inertia rotation of 7.24 * 10-3 kilogramsm2. How much energy must be supplied to take it from rest to 419 rad / s? KE = (1/2)(7.24 * 10-3)(419^2) is this correct.
16 years ago
You are in a hot-air balloon that ascends at a constant velocity of 2.00 m/s. When the ballon is 1000 meters in the air you jump out of it what speed will you hit the ground with? neglect air resistance. I know we use the conservation of mechanical energy...
16 years ago
The enthalpy of fusion of water is 6.0 kJ/molrxn and that of methanol (CH3OH) is 3.2 kJ/molrxn. Which solid, water or methanol, has the larger intermolecular forces? Predict whether the enthalpy of fusion of C2H6 will be larger than, less than, or the sam...
16 years ago
At a low pressure and a high temperature, what state of a substance is most likely to exist? Gas Liquid Solid
16 years ago
2.8 g of the nonvolatile solute sucrose (C12H22O11) is added to 517 g of water at 25oC. What will be the partial pressure of the water vapor over this solution?
16 years ago
Which of the following is NOT true about the thermodynamic standard state? A. A pure liquid is in its standard state at 25C and a vapor pressure of 1.00 atm. B. An aqueous solution is in its standard state at a concentration of 1.00 M. C. A gas is in its...
16 years ago
A tank has cross-sections in the form of isosceles triangels, vertex down. The top of the tank is 6ft wide, its height is 4ft, and its length is 10ft. find the work in pumping all the water to the top of the tank. (weight of water is 62.4 pounds per cubic...
16 years ago
Do you think downloading music is legal? I think it is as long as it is only for private use or only sharing with friends. What do you guys think?
16 years ago
Find the area of bounded by f(x)=2x^2 and g(x)=x^4-2x^2
16 years ago
compound with a molecular formula C8H16O has the following H-nmr spectrum: 3H triplet at 0.90, 1.0 to 1.6 8H multiplet, 2.05 3H singlet, 2.25 2H triplet. What is the structure of this compound? I think it is 2-octanone but not sure
16 years ago
is the function f(x)=x^2 increasing on decreasing at x = -1. can anyone please check my reasoning: the value of the derivative of the function at x=-1 is -2, so that means the slope of the tangent line to the graph at that is a negative value so the funct...
16 years ago
if y = (3x^3 -12x^2 + 2x -8)/(x-4) find the derivative y'
16 years ago
how much of a 25% solution should to be added to 35% solution to get 40 liters of 28% solution
16 years ago
a parabola has vertex (-6,-12) AND PASSES THROUGH (6,24) find its equation in the form ax^2+bx+c
16 years ago
in america table service, which server is doing the job correctly?
16 years ago
Need help with the following proof: prove that if lim x->c 1/f(x)= 0 then lim x->c f(x) does not exist.I think i need to use the delta epsilon definition i am not sure how to set it up.
16 years ago
find the lim x->0 (e^(-x) -1) / (1-e^x) i did this using a table and the found the limit but is there a way to do this algebraically
16 years ago
A sample of hydrogen gas was collected over water at 36°C and 855 mmHg. The volume of the container was 6.50 L. Calculate the number of moles of H2 collected. (Vapor pressure of water is 44.6 torr at 36°C)
16 years ago
In Bohr's model of the hydrogen atom, the radius of an orbit a. is proportional to n2. b. is smallest for the highest energy state. c. increases when a photon of light is emitted from an excited atom. d. can have any value that is larger than the ground-s...
16 years ago
Consider this set of quantum numbers: n = 3, l = 2, ml = -1, ms = +½ The maximum number of electrons in an atom which can share the above set of quantum numbers is
16 years ago
Which of the following substances serves as an intermediate through which all cellular energy sources are interconvertible? acetyl CoA glucose pyruvate citrate
16 years ago
is it harder to obtain the magnetic resonance signal of a C-13 nucleus than an H-1 resonance signal at the same sample
16 years ago
A sealed flask contains 0.40 g of water at 28 deg. celsius. The vapor pressure of water at this temperature is 28.36 mmHg
16 years ago
please define: Emotional Health
16 years ago
A 0.150 kg particle moves along an x axis according to x(t) = -13.00 + 2.00t + 3.50t2 - 2.50t3, with x in meters and t in seconds. In unit-vector notation, what is the net force acting on the particle at t = 3.45 s? I tried solving using s=Vit + (.5)at^2...
16 years ago
Find the lim x->infinite (x/[3x+5]) where [] denotes the greatest integer function use the squeeze theorem.
16 years ago
i am a number between 7 000 000 and 8 000 000 all my digits are odd all the digits in my thousands period are the same all the digits in my units period are the same the sum of my digits is 31 what number am i ?
15 years ago
Calculate the angle which the spin angular momentum of a single electron forms with the z axis in alpha and beta spin states. What are the possible angles of the spin angular momentum for a two-electron triplet state
15 years ago
State whether each of these functions is symmetric, antisymmetric, or neither, with respect to the interchange of coordinates 1 and 2: (a) g(1)f(2) b)(r1-r2)e^-br12 where r1 and r2 are vectors describing positions of two points and r12 is the distance bet...
15 years ago
What is the hamiltonian for a Lithium atom?
15 years ago
Using the financial statements for the Goodyear Calendar Company, calculate the 13 basic ratios found in the chapter.
15 years ago
Using the financial statements for the Goodyear Calendar Company, calculate the 13 basic ratios found in the chapter. December 31, 2008 Assets Current assets: Cash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . $ 4...
15 years ago
calculate the lim as x-> pi (cos(x)+1)/(x-pi) using the special limit lim x->0 sinx/x
15 years ago
a uniform disk and a uniform sphere are rolled down an incline plane from the same point and intially they are at rest. Find the difference in time they arrive at a mark on the plane which is 6 meters from the starting point. The sphere has twice the mass...
15 years ago
A children's merry-go-round in a park consists of a uniform 200kg disk rotating about a vertical axis. the radius of the disk is 6 m and a 100kg man is standing on the outer edge when the disk is rotating at a speed of 0.20rev/s. how fast will the disk be...
15 years ago
At atmospheric pressure, a sample of O2 gas has a volume of 55mL at 27 degrees celcius. What volume in mL will the O2 gas occupy if the temperature is decreased 0 degrees C and the pressure is held constant?
15 years ago
1100g of ice at -50C is mixed with 100g of steam at 120C. Find out how much ice melts? The implied final temperature is 0C. Cice=0.5 Csteam=0.46 Hv=539 Hf =80 here is my work 1100(0.5)(0+50)+80m = 100(0.46)(120-0)+540(100) i am not getting the right answe...
15 years ago
Find the mean of the following set of numbers.7, 10, 9, 13, 6
15 years ago
what is 1/5x24 by using estimating product
15 years ago
4/7x20 by using estimating product
15 years ago
5/8x19 by using estimating product
15 years ago
6/11x32 by using estimating product
15 years ago
estimate 4/5of 49
15 years ago
Question 1 Question 1 1. Question 1 text The head of the History Department wants to compare the averages of 2 different instructor’s to see if they differ. A sample of 15 students in Instructor A’s class has average of 74 with a standard deviation of...
15 years ago
dh/dx x = 7 , h (x) = (x^-1/2 + 8x)(4 - x^-1)
15 years ago
x – 2y = 6
15 years ago
How many grams of oxygen are required to react with 0.128 lead(II) sulfide?
15 years ago
Write a net equation for the reaction between aqueous solutions of HBr and NH3.
15 years ago
Answers
The following answers were posted by visitors named jeff.
16n+7
18 years ago
80
18 years ago
Wow... that's a long process. Thanks for the help!
17 years ago
The formula for direct variation is y = kx, where k is the constant of variation. For slope, use y - y1 = m(x-x1)
17 years ago
thanks i got could't reduce on the second one the first one the denominator both numbers are to the second power does that matter
17 years ago
I need Help With Time
16 years ago
I'm sorry but that link does not help me. If you could provide a link with EXAMPLES of micro-sociological questions, that would be helpful. And yes, I have already tried googling 'Microsociological question examples'
16 years ago
thank you
16 years ago
*This is the second part of the question Predict whether the enthalpy of fusion of C2H6 will be larger than, less than, or the same of that of methanol.
16 years ago
Thank you.
16 years ago
So 2.8 converted to mols and then divided by 517? And multiplied by 25oC?
16 years ago
Really, no one?
16 years ago
Oxymercuration/reduction? Not sure anymore...
15 years ago
Write the Unit price for the following item. $5.16 for a dozen oranges?
15 years ago
Example, teachers answer to the following was sin 315deg = -sin 45deg = -sqrt2/2 I got a decimal answer.
15 years ago
no
15 years ago
I got it, .5
15 years ago
it is the cost of the item.
14 years ago
80
14 years ago
mooo mooo little star
14 years ago
how did you get that?
13 years ago
thank you!
13 years ago
a 600 kg hammer of pile driver is lifted 2 meters above a piling head. what is the change in potential energy if the hammer is released, what will its speed at the instant it strikes the piling?
13 years ago
What do you learn from the dialogue between Mr. Frank and Miep at the beginning of Scene 1? A;Miep wants to show Mr. Frank something in the building. B;Mr. Frank wants to live in this building to hold on to his memories. C;The war has ended, but Mr. Frank...
12 years ago
thanks
12 years ago
can you give me the right answer please
12 years ago
so its C
12 years ago
first one answer: x^2+3x+2
12 years ago
In 1970, the total enrollment in public universities and colleges in a country was 5.1 million students. By 2004, enrollment had risen to 14.3 million students. Assume enrollment can be modeled by exponential growth. (a) Estimate the total enrollments in...
12 years ago
Hello Sue, the answer is a simile. Please read the following: Each of these he set adrift like a paper boat on a shifting sea of daydreams. He did that encased in the drone and shudder of diesel pistons and hissing tires. Jamie Sabin was going home to a p...
11 years ago
4,500
11 years ago
jim is more than 20 yrs old but less than 60. you can count by 7s to reach his age. next yr you can count by 5s to reach his age how old is jim
11 years ago
49
11 years ago
497
11 years ago
485
11 years ago
but how do use percent?
10 years ago
no
10 years ago
jay discounts a 100-day note for 25,000 at 13%. the effective rate of interest to the nearest hundredth percent is what percent?
10 years ago
21
10 years ago
I guess just foods that are good for you
10 years ago
0.003
10 years ago
already balanced
10 years ago
i deposit 1,000 for 4 years a rate 2% nthe compounded annually how much money after 4years
10 years ago
idc I got a 8b so its very easy if u put ur head doen and listen to the teacher I'm in year 8
10 years ago
9y + 4==2y+25
9 years ago
lol bob !
9 years ago
6777
9 years ago
i know nothing
9 years ago
82437097235
9 years ago
sue Ms. Sue!!!!!!!!!!!!!!! :)
9 years ago
15 mols
9 years ago
Deez nuts goes in the banana factory please liek dis i want attention
9 years ago
16
9 years ago
no
9 years ago
Sage is right it is D
9 years ago
advice the cyclists about the road eccidents
9 years ago
lulz
9 years ago
0.36
9 years ago
89m
9 years ago
In triangle ABC, the size of angle B is 55 times the size of angle A, and the size of angle C is 1111degrees° less than 44 times the size of angle A. Find the size of the angles. thank you
9 years ago
lel idk dank memes
9 years ago
**** her in the *****
9 years ago
this is hard
8 years ago
3:30
8 years ago
um no
8 years ago
jeff
8 years ago
ice
8 years ago
we want tacos!!!!
8 years ago
69 hahahahaha
8 years ago
a number
8 years ago
A soccer goalie has saved 14 shots and let in 2 goals. Out of 88 shots on the net, how many goals will the goalie likely let in
8 years ago
jk xd
8 years ago
12 2a d3 34
8 years ago
that why i asked you
8 years ago
3x2x3x3x3x3
8 years ago
For all of those looking for the CA for the Practice test Civics Practice: 1.D 2.C 3.B 4.A 5.A 6.B 7.A 8.A 9.D 10.A
7 years ago
teh cop car will destroy the other car because the other car is 300 pounds lighter
7 years ago
i have no use in this world
7 years ago
96
7 years ago
17
7 years ago
i dont get it, i need help eith The coordinate plane below represents a town. Points A through F are farms in the town. graph of coordinate plane. Point A is at 2, negative 3. Point B is at negative 3, negative 4. Point C is at negative 4, 2. Point D is a...
7 years ago
songhai
7 years ago
Sans can u put the answers then
7 years ago
who is it supposed to be set up?
7 years ago
thanks
7 years ago
Thankyou
7 years ago
looking through this is like experiencing history its so old
7 years ago
ededededededed
7 years ago
the answer is 9:5
7 years ago
the first anon is correct 29/29
7 years ago
1+1 is 2. 2+2 is 4. Then you take the derivative and substitute it for a spontaneous reaction, where a single-celled organism is created and the 1.4-1.35 is .5, which is 5%
7 years ago
its not Ms. Sue she dosnt have the space Ms. Sue has a space
7 years ago
bob
7 years ago
idk bob
7 years ago
!@#$%^& it this was wrong
7 years ago
writeacher is it C?
6 years ago
Wow thanks lucky I got 28/30
6 years ago
no thanks for having the feature to respond of our thinking because now people are saying stuff like poop and yo mama even though it is 2019 but anyways whoooooo playzzzz fortniteeeee (say i do in the response)
6 years ago
actually that was posted at 8:02
6 years ago
yeah
6 years ago