Friday
December 9, 2016

# Posts by Luke

Total # Posts: 403

intermediate latin
Hey i need some assistance with translating this sentence thanks. Urbs Troja dicitur decem annos a Graecis oppugnata esse. thanks again
June 26, 2010

english
i need to do a poster to advertise a 'new' mobile phone it needs to stand out to the people who see it
May 29, 2010

physics - electricity
Does the size of a 1,5V cell(battery) affect the internal resistance of a circuit containing: 3 different size batteries,multimeter,connecting wire,a light bulb resistor.How do i set up this experiment.I'm really lost, please help. Thank you in advance
May 23, 2010

Does the size of a 1,5V cell(battery) affect the internal resistance of a circuit containing: 3 different size batteries,multimeter,connecting wire,a light bulb resistor.How do i set up this experiment.I'm really lost, please help. Thank you in advance
May 22, 2010

statistics
I have a data set for MLB teams. the assignment is to form a hypothesis based on the set. h0- Teams with higher attendance will have a better ERA h1- attendance will not effect the ERA Preform a 5 step hypothesis test and show work for z and t test. I am not sure what kind of ...
May 8, 2010

Equivalent fractions are fractions that may look different, but are equal to each other. Two equivalent fractions may have a different numerator and a different denominator. a/b=c/d
May 6, 2010

Accounting
I am trying to tell the difference between trade credit and opportunity costs, but now liking what I find on the internet. Is there a link that shows both? I could not find one. In order to do my assignment I need to compaire the two so I could figure out how opportunity costs...
May 6, 2010

algebra
What does you math book say about linear equations? These guys will not give you the answer. A system in which the outputs are components of a vector which is equal to the value of a linear operator applied to a vector whose components are the inputs.
May 6, 2010

Accounting
Chapter 17-19 reading HCA 270 Axia
May 5, 2010

Math
I remember that math question from Axia... MAT 115 final.
May 5, 2010

math
find the amplitude and period of: 2 cos4x + 5 sin4x
April 27, 2010

maths
if M = 3 x 6 ^ (-t) find the half life of M
April 26, 2010

Geometry help
What is the perimeter of a triangle whose sides measure 15cm, 17cm, and 10cm?
April 21, 2010

math
solve the equation 5 - √x = 2x^2 - 3
April 14, 2010

math
Identify 4 objects in the grocery store that hold lress than 10 milliters
April 12, 2010

math
Make f the subject of the formula D = √(p/f-p)
March 30, 2010

math
g is a linear function such that g(1)=7.5 and g(7)=12.6 Find the formula for g(x). I've tried doing it and the formula i got was: y = 0.9x + 6.6 is that correct?
March 29, 2010

math
correct
March 29, 2010

math
Make f the subject of the formula D = squareroot p/f-p
March 29, 2010

make
make f the subject of the formula: D=square root p/f-p
March 29, 2010

math
if f(x)=1-3x/2+x find an exact value of f(-1/2)
March 29, 2010

maths
March 23, 2010

3x _ 8> 10
March 20, 2010

3x _ 8> 10
March 20, 2010

japan
How do you say the restaurant is located inside the hotel. れすとらんはほてるのなかです
March 4, 2010

economics
A firm has production of cars in 2 countries with the following demand: Sweden: P= 300- 5Q Denmark: P= 150- 3Q Marginal cost for both countries= \$40 per unit Will this company price discriminate, and if yes, which type of price discrimination will it use? What are the ...
February 21, 2010

6th
Deez nuts!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!got emm
February 8, 2010

Physics
Why has no one answered this?
January 8, 2010

Chandra
A building is the shape of an airplane hanger (a half cylinder). Construction for the foundation (rectangular part) costs \$30 per square foot, the sides (semicircle bases) cost \$20 per square foot and the roofing cost \$15 per square foot. The volume of the entire building is ...
November 23, 2009

Engineering
What caution must be exercised in the use of models
November 7, 2009

college
Why is it not possible to formulate a model that accurately represents reality
November 7, 2009

Chemistry
which metal does not require having its charge specified in the names of ionic comppounds it forms? a. Au b. Ca c. Cu d. Cr e. Fe
November 1, 2009

chemistry
in regard to the reverse freezing process of water(when it expands) and others molecules contract.. is it only water that does this or is it all the hydrogen bonded molecules?? ( N,O,F) NH3, H20 anf FH...my science teacher doesn't know the answer and i'd really like to...
October 13, 2009

math
S=5d/7
October 9, 2009

PHYSICS
A potential energy function for a two-dimensional force is of the form U = 2.46x3 y - 5.05x (which has units of J). Calculate the force that acts at the point (1.26 m,1.18 m).
September 29, 2009

PHYSICS
If it takes 4.12 J of work to stretch a Hooke's law spring 12.1 cm from its unstressed length, determine the extra work required to stretch it an additional 10.0 cm.
September 29, 2009

PHYSICS
Estimate the terminal speed of a wooden sphere (density 0.700 g/cm3) falling through air if its radius is 3.20 cm and its drag coefficient is 0.470.
September 24, 2009

PHYSICS
A luggage carousel at an airport has the form of a section of a large cone, steadily rotating about its vertical axis. Its metallic surface slopes downward toward the outside, making an angle of 23.0 degrees with the horizontal. A piece of luggage having mass 31.0 kg is placed...
September 21, 2009

physics
September 13, 2009

Physics
thanks a lot. that really helped.
September 13, 2009

Physics
A fire helicopter carries a 615 kg bucket of water at the end of a cable 19.5 m long. As the aircraft flies back from a fire at a constant speed of 40.5 m/s, the cable makes an angle of 35.2o with respect to the vertical. Calculate the force of air resistance on the bucket
September 13, 2009

Physics
thanks a lot. that really helped.
September 13, 2009

Physics
Three forces acting on an object are given by F1 = (-8.79i + 8.34j) N, F2 = (7.06i + -3.02j) N, and F3 = (-3.05i) N. The object experiences an acceleration of magnitude 2.26 m/s2. What are the components of the acceleration vector?
September 13, 2009

algebra
I know its true but why? When you multiply a whole number by a whole number the result is a larger number. When you multiply fractions the result is a smaller number.
September 1, 2009

Pre Algebra
Solving part of a part. How do you use thermometers to solve fraction problems?
September 1, 2009

What experiment(apparatus can be made) can be used to determine the relationship between period and frequency of vibration?
August 4, 2009

May 14, 2009

spanish
Write the correct conjugation of tener for the following sentences: 9. ¿Por qué _________ (Jose) sueño por la mañana? 10. Mi amiga _________ tres hijos. 11. ¿Cómo se dice "Patricio tiene ganas de comer" en inglés? 12...
May 14, 2009

How to get pure gold from impure gold..please specify the chemical equation.. any example is fine,e.g. AuCl3 -> Au
May 13, 2009

geography
Latitude lines measure distance in degrees north and south of this? is it equator?
April 15, 2009

Algerbra
Thank you
March 15, 2009

Algebra 2
Thanks
March 9, 2009

Algebra 2
March 9, 2009

Algebra 2
and would I do this oen the same way? 7. 2x^4 + 16x
March 9, 2009

Algebra 2
Thank you. So can that be factored anymore?
March 9, 2009

Algebra 2
I would really appreciate it someone helped me with this information. 1. Solve the inequality: |3 - 3x/4| >= 9 Solve for x 2.(x - 2)(x + 1) = 4 and factor completely 64 + a^3
March 9, 2009

Algebra 2
Can someone help me solve this and break it down step by step please??? [Sqrt(x-3)]-[Sqrt(x+2)]=3
February 16, 2009

physics
a remote controlled car's wheel accelerates at 22.4 rad/s^2. if the wheel begins with an angular speed of 10.8 rad/s what is the wheel's angular speed after exactly 3 full turns?
February 12, 2009

math
the rainfall this year was 18.6 cm. this is 3.2 cm less than half of the rainfall last year. what was the rainfall last year?
February 5, 2009

Algrebra
December 30, 2008

Algrebra
Would the answer be no souliton?
December 30, 2008

Algrebra
NO it's postive 21
December 30, 2008

Algrebra
Please faCtor. Thank you for your help. a^2 + 4a + 21
December 30, 2008

first of all this is my first time so i don't know if i am doing it right. I need help i have holiday homework that i need to do but i cant find good enough info for question 1 and i don't understand how to do question 2 below i will write homework exactlty the same as...
December 5, 2008

23.333333333333333333333333333333 ... i think
November 28, 2008

calculus
consider the following function: f(x)=sqrt(50-x) find the linear approximation of f(x) at a=1
November 13, 2008

chemistry
a metal sample weighing 45.0g and at a temperature of 99.1C was place in 38.6g of water in a calorimeter at 25.0C. the calorimeter reached a maximum temperature of 32.8C. 1. calculate the specific heat of the metal. 2. what is the approximate molar mass of the metal?
November 13, 2008

Chem
A) 8 - 3.45 = 4.55 B) 29 - 25.30 = 3.70 C) 29 - 21.15 = 7.85 D) (I had the same homework) 1.effective nuclear charge 2.principle quantum number
November 7, 2008

Math
There is a long fence along the border of 2 mens property. 1 man is using the existing fence to make a cattle pen. He has 500 ft of fencing. Suppose the pen extends x ft away from the existing fence along the border. Find an expression for the area in terms of x.
October 26, 2008

physics
resists motion
October 15, 2008

physics
The force of ..... acts to transfer mechanical energy to thermal energy.
October 15, 2008

Science
thanks
October 4, 2008

history
i need to know some specific info like what was damaged, how many people died, how many people got injured, etc.
September 10, 2008

history
thanks!
September 10, 2008

history
September 10, 2008

math ( Ms,Sue)ans i got
for part 2 of the questions is it six \$1.00 stamps + one \$2.50 + one \$1.20 and four \$4.00 and how do i find the largest number of stamps that she can use from the collection to post a parcel and to list them
May 22, 2008

math
in a series of stamps annie must buy six of each one cost \$4.00 one cost \$2.50 one cost \$1.20 one cost \$1.00 she had to post a parcel and totals cost of postage was \$25.70.what stamps can she use from the selection to make up this amount using a)as many \$4.00 stamps as ...
May 22, 2008

chem
For the gaseous equilibrium represented below, it is observed that greater amounts of PCl3 and Cl2 are produced as the temperature is increased. PCl5(g) <===> PCl3(g) + Cl2(g) a) What is the sign of S° for the reaction? Explain. b) What change, if any, will occur in ...
April 29, 2008

Brainteaser
It could be. I think the question leaves too much to the imagination!
April 16, 2008

Brainteaser
A man is on his hands and knees looking for a £5 note he has dropped. His search for the fiver continues for some time. Finally in the corner of the room he finds it. What is the first thing he does? Anyone know this?????
April 16, 2008

language arts
a person who studies and collects rocks for fun
March 17, 2008

Chemistry
Predict the sign of ( ∆H) in each of the following reactions: NH3 (g) + HCl (g) NH4Cl(s) ∆S = +, ∆G = - Fe (s) + Cu+2 (aq) Fe+2 (aq) + Cu(s) ∆S = +, ∆G = - Cl2 (g) + 2Na (s) 2NaCl (s) ∆S = +, ∆G = -
February 8, 2008

science
Predict the sign of ( ∆H) in each of the following reactions: NH3 (g) + HCl (g) NH4Cl(s) ∆S = +, ∆G = - Fe (s) + Cu+2 (aq) Fe+2 (aq) + Cu(s) ∆S = +, ∆G = - Cl2 (g) + 2Na (s) 2NaCl (s) ∆S = +, ∆G = -
February 8, 2008

chemistry
sorry, didn't even see that. how does 0.6973 sound?
February 8, 2008

Science
i want to know how you could get electric to an island in the middle of nowhere.
December 18, 2007

Geometry
okay, thanks anyway.
October 3, 2007

Geometry
How do you divide a hexagon into 9 congruent parts?
October 3, 2007

Geometry
Find the value of z. Then find GE and EH and state whether E is the midpoint of line GH. GH = z + 6. EH =2z-4. GE=z.
September 4, 2007

Spanish
One of the countries in Central America uses Spanish as the official language of the country but also has 23 different Maya groups; each with its own dialect. What country is it?
September 3, 2007

math
what would x^2+y^2-4x+2y=0 (Equation for a cirlce) be in r^2=(x-h)^2(y-k)^2 form? tnx I will start you off... x^2+y^2-4x+2y=0 x^2-4x+y^2 +2y =0 x^2-4x+ 4 + y^2 +2y+ 4 =+ 4+ 4 (x^2-4x+ 4) + (y^2 +2y+ 4) =8
June 1, 2007

Math
Hi how would i solve this?? The equation of the cirlce is x^2+y^2-4x+2y=0. Determine the coordinates of the center and the radius of the circle. What do i do? anyone
May 31, 2007

Math
hi how would we solve a question like this? for the curve with eq'n 2x^2 - x - 1 y= _______________ x^2 - 2x - 3 determina all x- and y-intercepts I assume you meant y = (2x^2 - x - 1)/(x^2 - 2x - 3) both top and bottom factor but there is no advantage gained. However, the...
May 21, 2007

Math
I have no clue how to do this as no values were given and im confused. can someone explain plz? if x^3-y^3=m and x-y=N, express xy in terms of M and N This is one of those pure manipulation problems. you have to know that x^3-y^3 = (x-y)(x^2+xy+y^2) so n(x^2+xy+y^2)=m (x^2+xy+...
May 3, 2007

math-factoring
hi i was reading through the tutorials and havent really understood how to factor out a trinomial like 12x^4 - 5x^2y^2 - 2y^4 what would the 1st few steps be? Do a substitution: let v= x^2 and u= y^2 Now you have... 12v^2 - 5uv - 2u^2 (3v -2u)(4v+u) then go back and put the x ...
May 1, 2007

math
I'm not good at math! I need help with finding a decimal from a fraction. like 1/3, 13/15, 19/32 I can't figure out how to turn it into a decimal! Just divide the numerator by the denominator. Use long division or a pocket calculator. can u help mme because i get f,s ...
March 13, 2007

why is noone answering my question?!?!
A rational function that passes through (0,0) and (4, 8/7) has the x-axis as a horiztonal asympotote. It also has 2 vertical asymptotes x=3, x=-3. I understand that to set it up, it is y= ax+b / (x+3)(x-3). I don't understand how to solve for a and b. Put in the points. ...
January 28, 2007

rational functions
A rational function that passes through (0,0) and (4, 8/7) has the x-axis as a horiztonal asympotote. It also has 2 vertical asymptotes x=3, x=-3. I understand that to set it up, it is y= ax+b / (x+3)(x-3). I don't understand how to solve for a and b.
January 27, 2007

A rational function that passes through (0,0) and (4, 8/7) has the x-axis as a horiztonal asympotote. It also has 2 vertical asymptotes x=3, x=-3. I understand that to set it up, it is y= ax+b / (x+3)(x-3). I don't understand how to solve for a and b.
January 27, 2007

chem
what does coefficients in equations mean, in chemical terms? 2NaCl means we have two molecules or 2 mols of NaCl. Most texts caution us not to use molecules but to stick with the latter part of the definition (moles); however, I don't have any problem with saying, 2H2 + 2 ...
January 25, 2007

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