Tuesday
October 21, 2014

Posts by yvonne


Total # Posts: 76

science
Suppose you place a 30kg weight 50cm from the pivot where should the following forces be applied to lift the load a)a 100N force b)a 150N force 2)how far will the load in question 1 be lifted if: a)the 100N force moves downwards b)the 150N force moveddownwards 1m
September 16, 2014

science
suppose you place a 30kg weight 50cm from the pivot, where should the following forces be applied to lift the load (a)a 100N force (b)a 150N force
September 16, 2014

algebra
A tennis ball is released from a height of hcm, it rebounds one-third of the distance it has fallen after each fall. Find the total distance travelled when it strikes the ground (i) the third time (ii) the nth time
August 25, 2014

math
7%
June 24, 2014

Math
3(4a+1)-6_>10a-7
February 16, 2014

nature of science
it is doubled
November 15, 2013

algebra
what is the translation of two more than four times the number
September 7, 2013

algebra
The width of the park is x meters. The length of the park is one meter more than twice the width. Write an expression for the area of the park.
June 3, 2013

Geometry
What is the area semi-circle piece of glass for Norman glass when the width is 3ft. and the length is 4ft? Radius is not known.
May 24, 2013

Algebra
(x^3+2x^2-4x-8)/(x^4-16)x(3x^2+8x+5)/3x^2+11x+10)
April 24, 2013

Math
System A has a 10% chance of being "down", while system B has a 5% chance of being "down". What is the probability that: 1) Neither computer system will be operational. 2) Both computer systems will be operational. Thanks!
April 23, 2013

geometry
A right triangle prism has a volume of 2 cubic inches. A second right triangle prism is similar to the first one and has a volume of 128 cubic inches. A. What is the scale factor to go from the first prism to the second? B. What is the scale factor to go from the second prism ...
March 13, 2013

Math
z(-3)
February 2, 2013

Math
z(-3)
February 2, 2013

Independent studies instead of pe
Need time to study home work
January 23, 2013

finite math
A tray contains 14 chocolate chip cookies and 16 oatmeal raisin cookies. How many ways can a child select 4 cookies that include at least 1 chocolate chip cookie?
January 22, 2013

language
believe, cares, attacks, thought, solves, cuts, run, fears, leave
December 10, 2012

English
Idk really, but i think u just write about the main part ya Peace out
October 11, 2012

math
Abby takes 6 steps forward, then 2 steps back. If she repeats this pattern,how many steps will she be from where she startedafter 4 moves? After 5 Moves?
October 4, 2012

biology
how does a dictionary illustrate a form of classification?
September 13, 2012

criminal procedure
In which areas of search and seizure do feel that the courts have not gone far enough?
August 28, 2012

Chemistry
If I begin with 2.5g of Mg and excess HCL. How many liters of H2 gas will I produce at 25C and 1 atm? 2HCL + Mg ----> MgCl2 + h2 ?? using pv=nRT
July 4, 2012

Physics
In a computer monitor, an electron beam with a current of 4x10^-6 A is directed at the screen. How many electrons are transferred to the monitor in 2 minutes.
May 11, 2012

algebra
If $300 = 7% of X then X = ?
April 23, 2012

College Math
Consider the following expression. 3(x-2)-9(x^+7x+4)-5(x+8)
April 16, 2012

College Math
The "learning curve" describes the rate at which a person learns certain tasks. If a person sets a goal of typing N words per minute (wpm), the length of time t (in days) to achieve this goal is given by the following formula. t=62.5ln(1-N/80) (a) According to this ...
April 16, 2012

College Math
A seismograph 300 km from the epicenter of an earthquake recorded a maximum amplitude of 5.3 102 µm. Find this earthquake's magnitude on the Richter scale. (Round your answer to the nearest tenth.)
April 16, 2012

College Math
An artifact was found and tested for its carbon-14 content. If 88% of the original carbon-14 was still present, what is its probable age (to the nearest 100 years)? Use that carbon-14 has a half-life of 5,730 years.
April 16, 2012

accounting
What is the ending balance in an account that opebs with $7000, earns 7.5% interest compound quarterly, and is held for 20 years.
March 18, 2012

Calculus
Consider the differential equation, dy/dx=(x+1)/y^2 with the initial condition y(0)=3. Write down the particular solution, and hence, calculate the value of y when x=8.7, to 3 dec places.
February 11, 2012

calculus
If the line y=mx-5 does not meet the curve y=3x^2-6x+7 then value of m is in the open interval (a,b). Find the exact value of b.
February 7, 2012

Statistics
A box contains 12 lights bulbs, of which 4 are defective. All bulbs look alike and have equal chance of being chosen. 3 light bulbs are selected from the box to check the quality. a. List all the possible outcomes b. find the probability that all 3 are defective c. Find the ...
November 9, 2011

statistics
Identify why this assigbment if probabilities cannot be legitimite: P(A)=0.4, P(B)=0.3, P(AandB)= 0.5
November 5, 2011

physical
height=42m,speed=250m/s, how long will the object remain in air?
October 15, 2011

hr
Decision making is a process by which several possibilities are considered and prioritized, resulting in a clear choice of one option over others. Decision making is a fact of life personally and in business. We make dozens of decisions each day. Some decisions are simple, ...
June 2, 2011

physics
what is the force in newtons acting on a 4.0kg package of nails that falls off a roof and is on its way to the ground
March 18, 2011

math
on saturday you earn half as much as you do on sunday but twice as much as you do on friday. during the 3 days you $70. how much did you earn each day
January 28, 2011

math
you invest 200.00 into a savings account that earns 2% simple interest. How long will it tkae to earn 50.00 in interest?
December 30, 2010

algebra
Solve. 2x-1/x=4
December 13, 2010

algebra
Simplify. x^2+3x+2/x^2-2x-3
December 13, 2010

math
Multiply. 3x-3/2x-2 * 4x/3
December 13, 2010

algebra
Multiply. 2x-1/3x * x+1/2x
December 13, 2010

math
Subtract. x+4x-1/3x - 2x+2/3x
December 13, 2010

math
Add. 2x/5 + 3x-1/x
December 13, 2010

science project
I need help writing my abstract for my science project and it's the only thing I have left to do. It's very fustrating, so is there anyone who can help me plz?!!!!!!!
December 8, 2010

chemistry
B
November 29, 2010

Logic and Design
What logic is used when pseudocoding compound conditions?
November 12, 2010

Marketing
Market segmentation or either mass marketing??
October 11, 2010

Marketing
______________ is the process of naming broad product-markets and then segmenting these broad product-markets in order to select target markets and develop suitable marketing mixes. A. Strategic planning B. Market positioning C. Market segmentation D. Mass marketing
October 11, 2010

physics
m in this case would be the mass of the car.
October 3, 2010

Operations management
how does finance marketing and personnel support product stategy in an organization
June 8, 2010

Marketing Principles
I need to know how finance, marketing and personnel support product strategy.
June 7, 2010

Math(Please help)
5/2x
April 1, 2010

introduction to literature
Poems: Emily Dickinson - "I died for Beauty", "I dwell in Possibility", how do they relate.
March 7, 2010

biology
Since there are twenty amino acids, there are only three types of monosaccharides; the large amount of variety is due to the changing in R groups. These monosaccharides are glucose, fructose and galactose. In contrast, there are only two types of fatty acids, saturated and ...
February 11, 2010

math
what does the undermentioned mean and how do I solve it ( 1000 )2/5
May 8, 2009

Math finance
I just brought a finanical calculator and i don't really know how to use it yet. The textbook said to calculate the price of the bond: Price=Coupon x Annuity factor (r, T)+ Par Value x PV factor (r, T) I was just wondering how to punch in the annuity factor and PV factor ...
December 8, 2008

Chemistry
hellppp please i have a test on this on mondayy im so screwed A solid mixture contains MgCl2 and NaCl. When 0.5000 g of this solid is dissolved in enough water to form 1.000 L of solution, the osmotic pressure at 25°C is observed to be 0.4010 atm. What is the mass percent ...
November 29, 2008

Investment
Capital asset pricing theory asserts that portfolio returns are best explained by ________ risk.
October 22, 2008

MATH
where's the 18z? it's set up as multiplication.
September 21, 2008

college physics
In Physics we often use meters per second as the units of velocity, rather than miles per hour. Convert 1 meter per second to miles per hour to get an idea of how these units compare. Please help me by showing me step by step so I can understand it better.
September 21, 2008

Informantion Tech
Which of the Windows server 2003 events logs contains information about the events generated by components such as services and devices?
August 28, 2008

writing
also, how can you phrase these sentences better? We have to cancel this party because we don't have time to organize it this year. If you are willing to volunteer to help plan the party, you can contact....
July 25, 2008

writing
When address to the staffs of the company, should the "To" line be All staff or All staffs?
July 25, 2008

Business
You are being interviewed for a business consultant position, and your interviewer has asked you to discuss which social responsibility approach you believe the following scenarios fall into obstructionist, defensive, accommodative, or proactive. Please provide a justification...
July 9, 2008

french
you mean it is "J'ai visit(e accent aigu) a (a accent grave) Hawai(i trema). You use a(a accent grave) infront of Hawaii?
May 26, 2008

french
I don't think i can read the accents, it comes out as funny symbols.
May 26, 2008

french
Wait, let me expand a little bit. I visited Hawaii for the first time during my holidays.
May 26, 2008

french
How do you say"I visited Hawaii for the first time" J'ai visite...then what?
May 26, 2008

French
do you have any websites that provide this kind of exercises?
May 21, 2008

French
I am having trouble distinguishing l'imparfait and the passe compose.
May 21, 2008

Business
What are some of the functions that insurance agents typically perform in the distribution channel?
November 6, 2007

ancient civilization
i need help on homework and can't find SITE TO HELP ME ON. It's REALLY HARD..... so they should make a website that gives homework answers
May 22, 2007

precalculus
5x+3y=8 convert each rectangular equation to polar form Convert each polar equation to rectangular form: a r=9cos0 b r=5 c rsq= cos 20 d r= 3____ 3+sin 0 Is this a test?
May 17, 2007

precalculus
how to solve; Xsq + ysq-4x=0 x^2 -4x + y^2 =0 x^2 -4x +4 + y^2 =4 (x-2)^2 + (y+0)^2=4 look like a circle to me.
May 17, 2007

algebra
Simplify using only positive exponents. (2r^-1s^2t^0)^-2 ---------------- 2rs Thanks in advance! Working this out: (2^-2 r^2 s^-4)/ (2 r s) = r^2/8rs^5 Note: Anything to the 0 power is equal to 1. I hope this will help. Sorry but can you help me please I seriously need it.! ...
February 24, 2007

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