Saturday
December 20, 2014

Posts by brian


Total # Posts: 615

Finance
On this problem, theres one thing holding me up. $3 = $1(1 + r)^(12/3) What is r? I cant get it. I even had a sample problem along the same lines and couldnt get that on.
July 10, 2010

Finance
Suppose an investment offers to triple your money in 12 months (don't believe it). What rate of return per quarter are you being offered?
July 10, 2010

Finance
You have just won the lottery and will receive $1,000,000 in one year. You will receive payments for 30 years, which will increase 5 percent per year. The appropriate discount rate is 8 percent. What is the present value of your winnings?
July 10, 2010

physics
I'm having trouble with question 2, please help The velocity of an object in simple harmonic motion is given by v(t)= -(0.275 m/s)sin(23.0t + 2.00π), where t is in seconds. 1) What is the first time after t=0.00 s at which the velocity is -0.100 m/s? 2) What is the ...
June 13, 2010

Physics
Thanks, I see how it's done. For question 2, I did: x = dv/dt = 0.275*cos(23t) = 0.275*cos(0.372rad) = 0.256 m which is incorrect for some reason.
June 12, 2010

Physics
The velocity of an object in simple harmonic motion is given by v(t)= -(0.275 m/s)sin(23.0t + 2.00π), where t is in seconds. 1) What is the first time after t=0.00 s at which the velocity is -0.100 m/s? 2) What is the object's position at that time? I tried solving ...
June 12, 2010

Physics
Nevermind I figured it out... :)
June 12, 2010

Physics
Two blocks of masses M and 5M are placed on a horizontal, frictionless surface. A light spring is attached to one of them, and the blocks are pushed together with the spring between them, as seen in the figure below: img404.imageshack.us/img404/8349/sbpic0906.png 1) A cord ...
June 12, 2010

math
I appreciate all of your help. We had about 77 of these problems to do. These are the LAST two problems that I need some help on. Thank you so much for everything. 1/x-1 minus 2/x^2-1= -1/2 2/y plus y-1/3y= 2/5
May 1, 2010

Math
I appreciate all of your help. We had about 77 of these problems to do. These are the LAST two problems that I need some help on. Thank you so much for everything. 1/x-1 minus 2/x^2-1= -1/2 2/y plus y-1/3y= 2/5
May 1, 2010

math
Thank you!!
May 1, 2010

math
solve each equation: x over x+1 plus 2= 3x over x+2
May 1, 2010

math
Thank you!!
May 1, 2010

math
Solve each equation: 11/3v+2 minus 3/4= 5 over 3v+2
May 1, 2010

math
I appreciate your help. This is the last problem that I need help with today. The answer is suppose to be -1/4 3x/x+1=5x over x-1 -2
April 30, 2010

math
Solve the equation: Thank you 2/y + y-1/3y= 2/5
April 30, 2010

math quick?
5 over 2x-5 minus 4 over 5= 1 over 2x-5 I have a quick question... what would i multiply by? I know how to do the rest of the problem. Thank you
April 30, 2010

Math
Solve each equation: Thank you 5-x over 3 minus x-2 over 4 = 5/12
April 30, 2010

Math
Thank you I was able to do this problem.
April 30, 2010

Math
Solve each equation: 5 over 2x-5 minus 4/5= 1 over 2x-5
April 30, 2010

math
wats 4 divided by 137
April 28, 2010

Finance
I have a number of questions for a finance assignment that is meant as a review for our final. However my final is being written earlier than the rest of the class so the answers aren't up yet. I was hoping someone could answer two or three of the questions so that I can ...
April 19, 2010

social studies
americans are united by their strong belief in basic principles.they believe that people are born with privileges that cannot be taken away from them.these are
April 14, 2010

economics
state the effects of unemployment on the (A)consumers expenditure (b)investment (c)Government expenditure (D)The church.
April 9, 2010

math
A developer plans to build houses around lake okeebele. Most of his customers want to buy about 100 feet of lakefront. How many lots can the developer build around the lake? scale 100 feet=10,000 square feet
April 5, 2010

MATH
The triangular numbers are the numbers 1, 3, 6, 10, 15, . . .; the square numbers are the numbers 1, 4, 9, 16, 25, . . . The pentagonal numbers 1, 5, 12, 22, 35, . . .. The geometrical language is justified by the following diagrams: a. What are the first five hexagonal ...
April 2, 2010

math
ok this one is PHUN after the flea jumps on the rubberband, everytime the rubberband stretches the flea gets pulled along, as a rubberband stretches, part of it moves towards the object stretching it Thus each time the roo jumps the flea is pulled along a little bit... Thus ...
April 1, 2010

math
what is the eighth term of the sequence of the expression:5(n+2)?
March 18, 2010

art
why did kenneth clarks interpretation of the aferican mask is ethnocentric
March 12, 2010

Chemistry
Given an unknown mixture consisting of two or more substances explain one technique that could be used to determine whether that mixture is a true solution a colloid or a suspension
March 11, 2010

Organic Chem
4-nitro-veratrole
March 2, 2010

social studies
what are the three main types of resourses used for making,selling,and using goods and services?
February 23, 2010

English
What pronoun is used for the "Empire State Building"?
February 15, 2010

algebra 2
what are the real solutions of 750=x^3-15x^2+50x
February 1, 2010

algebra 2
what are the real solutions of 750=x^3-15x^2+50x
February 1, 2010

Math
A small business decides to lower the salaries of its employers by $8,250 over a year. To do this, all of the 15 employeers will have their salaries reduced by equal dollar amounts for the year. What is the pay-cut of each employee over the year? Answer is suppose to be $550
January 27, 2010

algebra 1-2
The sum of two numbers is 73. Their difference is 21. Find the larger number.?
January 20, 2010

earth Science
When a river is lengthened due to forward erosion, a _____ has occurred.
December 25, 2009

Elementary Algebra
when working the following equation, I came up with 0/4. Would the final outcome be 0? Here is the equation. 2x+3/4, and here is what I came up with.=2x+3/4=0/4=0
December 18, 2009

math
You have 75 employees, 1/6th of them retired, and 1/4 of them left the company for new jobs. how many employees did you have in the begining?
December 18, 2009

Computers
LAN is an acronym for "Local Area Network" and WAN is "Wide Area Network"
December 14, 2009

Physics
Two small loudspeakers that are 5.50 apart are emitting sound in phase. From both of them, you hear a singer singing C# (frequency 277 ), while the speed of sound in the room is 340 . Assuming that you are rather far from these speakers, if you start out at point equidistant ...
December 12, 2009

math/probability
If two fair dice are rolled, find the probability of a sum of 6 given that the roll is a "double". How do I do this?
December 7, 2009

probability/math
Three cards are drawn without replacement from an ordinary deck of 52 playing cards. What is the probability that the second and third cards are kings if the first card was not a king?
December 7, 2009

AP Physics
Assume that at sea-level the air pressure is 1.0 atm and the air density is 1.3 kg/m3. (a) What would be the height of the atmosphere if the air density were constant? 7.919 km (b) What would be the height of the atmosphere if the air density decreased linearly to zero with ...
December 3, 2009

to bobpursley
In my heads/tails question- why isn't it 1/6? I flip a coin three times, aren't there only 6 possible outcomes?
December 1, 2009

math
what are the odds in favor of getting at least one head in three successive flips of a coin? I need to know the formula on this. I have 1/6 over 1- 1/6. But I can't figure out how to do the math. Am I right?
December 1, 2009

math
Lead Contamination More than a decade ago high levels of lead in the blood put 88% of children at risk. A concerted effort was made to remove lead from the environment. In a random sample of 200 children taken more than a decade ago, what is the probability that 50 or more had...
November 20, 2009

us history
what territory did the french claim, prior to the french and indian war
November 18, 2009

physics
A bullet of mass 8.0 g is fired horizontally into a 2.2 kg wooden block at rest on a horizontal surface. The coefficient of kinetic friction between block and surface is 0.40. The bullet comes to rest in the block, which moves 2.30 m. (a) What is the speed of the block ...
November 6, 2009

physics
Ricardo, mass 88 kg and Carmelita, who is lighter, are enjoying Lake Merced at dusk in a 30 kg canoe. When the canoe is at rest in the placid water, they exchange seats, which are 3.0 m apart and symmetrically located with respect to the center of the canoe. Ricardo notices ...
November 6, 2009

french 2
Quand tu vas a lecole
October 27, 2009

Chemistry
What are complementary colors and how due different wavelengths of light affect the original color?
October 26, 2009

Chemistry
What is a general rule relating the color of an object to the color(s) of light that it absorbs?
October 25, 2009

student council
what is a good speech of secretary and vice presidents: this is what secretary it does attend council meetings take pictures at school functions distribute and collect surveys at school funtions and from classrooms participate in council activities vice president attend ...
October 21, 2009

college
atoms heated in a sample emit only certain colors of light in sharp lines and not all colors blended together tells us what about the energy of an atom?
October 20, 2009

physics
A popular pastime is to see who can push an object closest to the edge of a table without its going over. You push a 130 g object and release it 2.00 m from the table edge. Unfortunately, you push a little too hard. The object slides across, sails off the edge, falls 1.00 m to...
October 19, 2009

Physics
A proton, moving with a velocity of vinitial i, collides elastically with another proton that is initially at rest. Assuming that the 2 protons have equal speeds after the collision, find (a) the speed of each proton after the collision in terms of vinitial and (b) the ...
October 13, 2009

English
Hello. I was wondering if you can please assist me with writing a short paragraph comparing Baldwin's account of the Titanic with Rosenthal's account of his visit to Auschwitz. While doing so I have to explain how the tone and purpose of each story is different with at...
October 6, 2009

Physics
Two masses of 4.25 kg each, connected by a string, slide down a ramp making an angle of 44° with the horizontal. The coefficient of kinetic friction between m1 and the ramp is 0.31. The coefficient of kinetic friction between m2 and the ramp is 0.12. Find the magnitude of ...
October 6, 2009

Physics
A certain force gives mass m1 an acceleration of 10.0 m/s2 and mass m2 an acceleration of 4.0 m/s2. What acceleration would the force give to an object with a mass of (m2-m1)?
September 28, 2009

physics
A 24- kg monkey climbs up a massless rope that runs over a frictionless tree limb and back down to a 35- kg package on the ground. What is the magnitude of the least acceleration the monkey must have if it is to lift the package off the ground?
September 28, 2009

physics
A certain force gives mass m1 an acceleration of 10.0 m/s2 and mass m2 an acceleration of 4.0 m/s2. What acceleration would the force give to an object with a mass of (m2-m1)?
September 28, 2009

Algebra 1
2≤y-4<7
September 20, 2009

Algebra 1
i mean 5/6(12z-24)>2/5z-25)
September 20, 2009

Algebra 1
5/6(12z-24)>2/5(25z-25> Help please?
September 20, 2009

math
It is 6:45 on Friday evening at the Y;all Come Restaurant. Winnie the waitress approaches the table where the four Martins are studying their menus. Over in the corner, Conrad is reading the comics. One customer gets up to leave. It's Bill who pays his bill with a $10.00 ...
September 1, 2009

algebra
For this problem a/a-1- a-1/a=4 . Is the answer a=1 1/2. I solved it by multiplying a(a-1) both side as suggested by bobpursley. thanks
August 30, 2009

algebra
how to solve this: a/a-1 - a-1/a = 4
August 30, 2009

economics
Studies show that the income elasticity of demand for servants in the United States exceeds 1. Nevertheless, the number of servants has been decreasing during the last 75 years while incomes have risen sygnificantly. How can these facts be reconciled?
August 29, 2009

math
if three darts are thrown at the dart board and no darts hits a line what score is possible?
August 9, 2009

Geology
How far—to the nearest tenth of a kilometer—is the well in section 11 from the southwest corner of section 10?
August 2, 2009

computer
Eshelman
July 25, 2009

math
in a class every boy is friends with exactly three girls,
June 17, 2009

Accounting-business
63,875 is the answer I came up with. I hope this is the correct answer, but not 100% positive
June 16, 2009

social studies
what did the khmer rouge do for four years in cambodia starting in 1975
May 29, 2009

7th Grade Life Science
Which of the following is a hard covering that protects an anthropod? a)exoskeleton b)endoskeleton c)mantle d)segment
May 22, 2009

7th grade Life Science
Which of the following structures does not provide support for invertebrae bodies? a)backbone b)tiny glass structures c)skin d)exoskeleton
May 22, 2009

English
So for English we're doing poetry. With a partner we both wrote our own poems and compared them. We had to find one word that fits into both poems and we got the word "Change". Now we have to be able to read our poems while not boring the class by doing something...
May 17, 2009

10th Grade Math
What is 3X^2-7=11
May 4, 2009

Trigonometry
Smalltown, latitude 53.6 degrees N, lies directly north of Bigville, latitude 38.6 degrees N. Give the distance between the two cities. (Hint: The earth's radius is about 3,960 miles.) This is a question similar to what will be on my test tomorrow. I'd really ...
April 29, 2009

math help
Simplify (2t)(2t)^5 is it (2t)^4
April 28, 2009

Social Studies aka History
During Medieval times, like the time of Ghana, Mali, Songhai, etc.
April 27, 2009

Social Studies aka History
Give 2 reasons why gold was important to people in North Africa.
April 27, 2009

math
I'll give you what I know that is an undefined problem.
April 27, 2009

trig--power reducing formulas
Having trouble with this problem: Rewrite the expression as an equivalent expression that does not contain powers greater than 1. Cos³x My answer: cos³x=(cos²x)(cosx) =(1+cos2x/2)(cosx)-->cos+cos³x/2...which is wrong
April 20, 2009

Trig
Hey thanks can you point me in the direction to solving this problem 2tan(5pi/12)/1-tan²(5pi/12)
April 19, 2009

Trig
Using a double angle formula how would you find the exact value of this expression? Cos²105° - sin²105°
April 19, 2009

Algebra
jose can complete the job in a hours, and Maria can complete the job in b hours. How long does it take them to complete the job when they work together? I need a formula
April 16, 2009

Math
No no. Here, use the distributave property for 10(10X+11). Then, subtract 110 from both sides. Lastly, divide by 100, the answer should be -1. Do you et how to do it now?
April 16, 2009

Algebra 1
Um, excuse me Mitch, but this is a multiple question answer and the following are the choices: a. 8 minutes b. 16 minutes c. 32 minutes d. 30 minutes
April 16, 2009

Algebra 1
Al completed the job in 20 minutes. Al and Pam completed the job together in 12 minutes. How long does it take Pam to complete the job by herself?
April 16, 2009

math
(y-10)(y+2)=0
April 16, 2009

algebra
How much water mest be added to 6 ounces of a 20% acid solution to obtain a 15% acid solution?
April 16, 2009

Math
How much water mest be added to 6 ounces of a 20% acid solution to obtain a 15% acid solution?
April 16, 2009

Math
I am pretty sure the answer is 68.
April 16, 2009

Trig--check answer
So my best way to solve (Tanx +1)(cosx +1)=0 Would be to divide by either cos or tan..instead of squaring and using an identity?
April 15, 2009

Trig--check answer
Solve the equation of the interval (0, 2pi) cosx=sinx I squared both sides to get :cos²x=sin²x Then using tri indentites I came up with cos²x=1-cos²x Ended up with 2cos²x=1 Would the answer be cos²x=1/2???
April 15, 2009

Trigonometry
How would you find the solutions to this problem? (cosx)(cscx)=2cosx
April 15, 2009

Factorning exponets
How would you factor 5x¯¾ +35x¼ ?? My answer is 5x¼ (x¯¹ + 7) but its wrong..can somebody please hellp!!
March 28, 2009

Pages: <<Prev | 1 | 2 | 3 | 4 | 5 | 6 | 7 | Next>>

Search
Members