Questions Asked on
September 26, 2009

CALCULUS
Rate of Change You are given the dollar value of a product in 2008 and the rate at which the value of the product is expected to change the nest 5 years. write a linear equation that gives the dollar value V of the product in terms of the yeart.(let t= 0
asked by kim 
physics
An airplane is heading due south at a speed of 515 km/h. A wind begins blowing from the southwest at a speed of 100 km/h (average). (Hint: First draw a diagram.) (a) What is the velocity (magnitude and direction) of the plane relative to the ground?
asked by DJ 
physics
A rescue plane wants to drop supplies to isolated mountain climbers on a rocky ridge 235 m below. The plane is traveling horizontally with a speed of 280 km/h (77.8 m/s). (b) Suppose, instead, that the plane releases the supplies a horizontal distance of
asked by DJ 
The Excavation : By Augusto Roa Bastos
I read this short story and I understand it pretty much but there are some things Im confused about. Were all the people in Cell 5 murdered by machine gun fire? Did Perucho Rodi escape from Cell 4 and avoid getting caught as one of the people involved? Was
asked by Lena 
Physics
We consider a man of mass m = 84 kg as shown in the figure below using crutches. The crutches each make an angle of θ = 26degrees with the vertical. Half of the person's weight is supported by the crutches, the other half is supported by the normal forces
asked by Matt 
physics
A box is given a push so that it slides across the floor. How far will it go, given the coefficient of kinetic friction is .21 and the push imparts an inital speed of 4.2 m/s?
asked by Jennifer 
physics
The average speed of a nitrogen molecule in air is about 686 m/s, and its mass is 4.85×1026 kg. If it takes 3.78×1013 s for a nitrogen molecule to hit a wall and rebound with the same speed but moving in the opposite direction, what is the magnitude of
asked by Anonymous 
physics
Jimmy has caught two fish in Yellow Creek. He has tied the line holding the 3.40 kg steelhead trout to the tail of the 2.29 kg carp. To show the fish to a friend, he lifts upward on the carp with a force of 75.3 N. What is the tension of the rope
asked by Anonymous 
PreCalc
A pizzeria sells a rectangular 18 X 24 inch pizza for the same price that it sells its large 24" diameter pizza. If both pizzas have the same thickness, which option gives the most pizza for the money. Gosh I'm really rusty on my geometry. Can you give me
asked by MUFFY 
Geography
why is south Korea a medc country??? any companies? anything in history that made it so? please help
asked by Jennifer 
physics
A hunter aims directly at a target (on the same level) 120 m away. (a) If the bullet leaves the gun at a speed of 290 m/s, by how much will it miss the target? (b) At what angle should the gun be aimed so the target will be hit?
asked by DJ 
Trigo
Given that a^2+b^2=2 and that (a/b)= tan(45degee+x), find a and b in terms of sinx and cosx. I don't know what i'm supposed to do, and i don't come to an answer! Help, thanks! my workings: tan(45+x)= (1+tanx)/(1tanx) a/b = (1+tanx)/(1tanx)
asked by Marrion 
Algebra 1A
translate to an algebraic expression 32 more than n, translation is > is this correct? thanks
asked by Lea 
Calculus
Suppose f and g are functions that are differentiable at x=1 and that f(1)= 2, f'(1)= 1, g(1)= 2, and g'(1)= 3. Find the value of h'(1). h(x)= [x f(x)] / [ x + g(x) ]
asked by Dee 
World History
Can you check my answer: Question: What were the key events that shaped Plato's beliefs? My answer: Plato was influenced by Socrates to search for the meaning of life. But after Socrates was executed Plato focused on how society would bring out the best in
asked by Katie 
physics
A 5.55 kg block covered in sandpaper is pushed along the ceiling of a room under construction. The block is pushed across the ceiling with a force of 77.9 N directed at an angle of 71.5° to the horizontal. If the coefficient of kinetic friction between
asked by Anonymous 
Physics
Two objects are connected with a string. In the quantitative treatment of the problem we assume that the string exerts a tension force of magnitude T on each of the two objects. What do we need to assume for this assumption to be valid? a) the string may
asked by Eric 
math
Many people are interested in losing weight through exercise. An important fact to consider is that a person needs to burn off 3,500 calories more than he or she takes in to lose 1 pound, according to the American Dietetic Association. The following table
asked by p 
physics
A house painter uses a chair and pulley arrangement to lift himself up the side of a house. The painter's mass is 69.2 kg and the chair's mass is 24.0 kg. With what force must he pull down on the rope in order to accelerate upward at 0.379 m/s2?
asked by Anonymous 
MATH
Many people are interested in losing weight through exercise. An important fact to consider is that a person needs to burn off 3,500 calories more than he or she takes in to lose 1 pound, according to the American Dietetic Association. The following table
asked by P 
AP US History
I am doing a report on the Connecticut River Valley colony for history. I am supposed to be a surveyor in the first half of the 18th century and i am supposed to tell the advantages and disadvantages the the colony would be. I am supposed to include things
asked by anonymous 
Math
solve 3(2x2)=18 select the correct choice below& if necessary fill in the answer box to complete your choice. a. the solution is x= simplify answer. b. the solution is all real numbers. c. there is no solution.
asked by Cathy 
physics
A 62.9 kg spacewalking astronaut pushes off a 697.0 kg satellite, exerting a 117.0 N force for the 0.977 s it takes him to straighten his arms. How far apart are the astronaut and the satellite after 3.57 min?
asked by Anonymous 
physics
(Requires calculus) Prove the relativistic workenergy theorem in one dimension. The force exerted on a particle is given not by F=ma, but F=dp/dt. Using the expression for the relativistic momentum of a particle p=γmv, integrate the force exerted on the
asked by kkke 
Math
True or fals: a number is divisible by 8 if it is divisble by 4 and divisible by 2? And how many variations of 3_2_ are divisible by six?
asked by Lyndse 
science
Which of the following samples will react completely with 20.0 mL of 0.200 M LiOH 10.0ML of 0.100 M HCL 10.0mL of 0.200 M H2SO4 10.0mL of 0.100 M HNO3 20.0mL of 0.200 M H3PO4 20.0mL of 0.100 M HBr How do I do this problem??
asked by Nisha 
Physics
tow forcess F1=(3.0)in the x direction minus(4.0) in the y direction and F2= (6.0)in the x direction minus (4.5) in the y direction are applied to a particle. what third force would the the net, or resultant, force on the particle zero?
asked by Standard C. 
Algebra 1A
I need help please. you have recently found a location for your bakery & have begun implementing the first phases of your business pla. Your buget consists of an $80,000 loan from your family& a $ 38,250 small business loan. these loans must be repaid in
asked by Lea 
Biology/Chemistry
During a “perm”, disulfide bonds can be broken and reformed using which treatments, respectively? I think the answer is a. but can someone confirm this? a. an oxidizing agent followed by a reducing agent b. a reducing agent followed by the use of water
asked by Critical 
math (Algebra)
Express x2+4x+7 in the form (x+p)2+q. Hence show that equation x2+4x+7=0 has no real root???...I have problem in writing square in my computer so remember x2 is x square and 2 after bracket is squarer too.
asked by Help generation 
geometry
In a triangle ABC, angle B is 3 times angle A and angle C is 8 degrees less than 6 times angle A. The the size of the angles. Size of angle A is = Size of angle B is = Size of angle C is = can someone please help me with this..? I am very weak at
asked by Anonymous 
Algebra 1A
find the opposite, or additive inverse of 57= +57 is this correct? if not can you please show me the answer? thanks
asked by Lea 
religion
What are Hinduism's core beliefs?
asked by john 
Algebra 1A
solve for the indicated letter b=a+d for a= the solution is a= b. is this correct? thanks
asked by Lea 
math
Factor. 45c+25d could someone guide me how to start this? thanks
asked by Kelly 
Pre calculus
How do I solve this quadratic inequality? X2 7x+10>0 the problem is actually written x to the 2 power 7x+10>0.
asked by Mesha Holland 
algebra again
Write an equation that passes through the points (4, 3) and (2, 2) I have 2 3 is 5 and 24 is 2 so y equals 5/2x plus b. I put in 2,2 into the equation to get the y intercept, so 2 equals 5/2 times 2 plus b 5/2(2) is 10/4 reduce to 5/2 Now add
asked by Elisa 
fraction help algebra
Write the equation passing through the points (9, 6 ) and (1, 5). The worksheet has multiple choice, so I know y intercept is either 39/10 or 39/10. I have 11/10x plus b then 11 (1) is 11 10(1) is 10 Then 5 plus 11/10 I change 5 to 15/10 but I'm
asked by Elisa 
ict
does any one any good sites i can use to help me with my ict homework. mine is the same as lou`s homework but noone has replied. its about copyright design and patent act. i have found out the year 1988 its the other questions i am finding it hard to
asked by kallum 
physics
A 100 kg chesterfield is pushed up a frictionless ramp at a constant speed by a delivery person. If the ramp is inclined at 25.5° to the horizontal, what horizontal force must the delivery person apply to the chesterfield?
asked by Anonymous 
12th grade
Does knowledge acquired in highschool liberate or hinder students? Please help explain the question and your opinion.
asked by eng 
world history
Was plato's ideal form of government philsopher kings.
asked by Katie 
physics
an object of mass m = 2,113 g held by a massless string on a frictionless inclined surface. What is the magnitude of the force that the surface exerts on the object if θ = 52 degrees ?
asked by Lavender 
French
meobdailfr.... its french what is the unscrambled...
asked by Alexandra 
math
please check my answers 1. the ratio of 5 3/5 to 2 1/10=8to 3 2.the ratio of 7 dimes to 3 quarters =14 to 15 3.Marc took 3 hours (h) to mow a lawn while Angelina took 150 minutes (min) to mow the same lawn a week earlier. Write the ratio of Marc’s time
asked by p 
Math (Algebra)
Can someone please check my answer? 9[73(9561)]= 2061 if my answer is incorrect could you tell me where I missed? and the correct answer please? Thank you I would appreciate it...
asked by Anonymous 
Math
I did 2/3 + 1/3 I got 3/3. How do I do 7/15 + 9/20? I'm not good at adding fraction with different denominators.
asked by Jenn 
math
Suppose that an experiment has four possible outcomes: A, B, C, and D. If P(A) = P(B) = P(C) and P(D) = 2P(A), what is the probability of each event?
asked by thomas 
Chemistry 101
How do I find the mass % of Oxygen in sodium oxide?
asked by Bridget 
Integration
How should i integrate (4cos^2  1)? Do I use a certain formula??
asked by Marrion 
ap calculus
write the general form of the equation of the lines throught the point (a) parallel to the given line and (b) perpendicular to the given point point (2,1) line 4x2y=3
asked by kate 
?? Maths??
Find the values of b and c for which x^2+bx+c is a factor of 2x^33x^23x5 Ok, i've tried to find a factor of the quadratic function using trial and error. Let f(x) = 2x^33x^23x5 f(1) is not equals to 0 f(1) is not equals to 0 ... and i cant find a
asked by Marrion 
Math
Solve. 8x+4=4x+5= the solution is x= simplify your answer. Type an integer or fraction
asked by Sammy 
English
How can the TESOL English learners standards be used as a guide for differentiating instruction for various levels of ELLs?
asked by Darthy Homes 
chemistry
What is the total pressure of a gas mixture that contains hydrogen at 0.45 atm, nitrogen at 0.25 atm, and argon at 0.60atm?
asked by Vernita Bickcom 
6th grade
How did Canadian Inuits make their decisions. Also did the have a leader or chief and how were they chosen
asked by steven 
Math
Can someone please explain how to solve 3x^2+7x15=0 by using the quadratic equation? I know that the equation is: ax^2+bx+c=0 but I get confused about how to set the problem up and solve. Thanks.
asked by B.B. 
Math
Find an equivalent expression without parentheses. (c11)=
asked by Mike 
ENGLISH higschool
Does knowledge acquired in highschool liberate or hinder studnets?
asked by eng 
English / Business
I have applied an internship in a big 4 firm recently, but I don't know if I will be selected to the on campus interview until 3 days from now. But before that, I want to request a office location preference change. How can I do this in a appropriate way?
asked by Sara 
special ed
I need to make lesson plans for students with mental retardation. Can you please tell me what you think of my ideas. For PreK work on gross motor skills, play simon says, use songs that make the child use their motor skills (if you're happy and you know
asked by Kristy 
PreCalc
Determine the solution. x^2=xalgebraically I have no idea how to proceed with this. Can you please help?
asked by MUFFY 
Math
collect 5s+s+3s/19 simplify your answer. type an improper fraction
asked by Cathy 
ToGnozahsContinuation of thread
I don't know if there is a limit on the length of the thread. My posts don't seem to go in any more to: http://www.jiskha.com/display.cgi?id=1253908539 The correct formulas are: F = C*9/5 + 32 C = (F32)*5/9 The graduations are wider apart on the C scale,
asked by MathMate 
8th Grade Math
How do you solve this equations? (xy^3)^5 (3x^4)(4x^12) ab^6 ______ c^0d^4 x^3y^0(z^4) Can you please show it step by step? Thanks.
asked by Kendall 
french
student A: Estce que tu pouvais sortir avec tes amis ce soir? student B: No, je ne pouvais pas sortir aves mes amis ce soir. would this be correct? Oh and thanks Sra for your help
asked by Anna 
Algebra 1A
multiply (9)(11)= 99 is this correct
asked by Lea 
algebra
can someone check my answer please? Solve for indicated letter. b=8c ,for c the solution is c=b/8 ? is this correct?
asked by Anonymous 
math
an extension ladder adjusts in length from 10 feet to 16 feet. suppose you've leaned your ladder against your house so that, at its minimum length, it touches the base of your first floor window, 9 feet above the ground. without moving the base, how high
asked by Anonymous 
Algebra 1A
multiply 8x(2.3)= this is the problem. I haven't been able to figure it out my answer was 18.4 help please
asked by Lea 
us history
why is the study of early Americans so difficult?
asked by k 
math
1. You have recently found a location for your bakery and have begun implementing the first phases of your business plan. Your budget consists of an $80,000 loan from your family and a $38,250 small business loan. These loans must be repaid in full within
asked by Anonymous 
Physics
How do you know when to use cos or sin or tan when they give you angles in the question to find tension or force?
asked by Britney 
statistics
1. In a large box are 20 pingpong balls—10 of them are red and numbered 1 through 10, and the other 10 of them are green and also numbered 1 through 10. Two balls are selected from the box without replacement. 1. a.Find the probability that the first
asked by John 
english
John and I are going to the store. Would you like to come along with A. me and him? B. him and I? C. I and him? D. him and me? don't know if it's b or d
asked by me 
french
i need to write a composition of 15 lines on une visite le medicine
asked by Vilda Pereira 
us history
In what ways did democracy create a new political culture? How did democracy impact social change?
asked by natasha 
algebra
Write an equation of a line that passes through the points (6,7) and has a slope of 4 How do I do this? it would be y equals 4x but not sure how to do the rest.
asked by Elisa 
algebra 1
Write the equation for the line that passes through the point (6,7) and has a slope of 1/2. Give as a simplified fraction. Again, I have y equals 1/2x but not sure for the rest.
asked by Elisa 
physics
The airplane can take off when its airspeed (speed of the air flowing over the wing) is equal to 65 knots. What is the length of runway required for the plane to take off if there is a 25 knots head wind? The runway at the Tallahassee Regional Airport has
asked by batman 
physics
A 2.85×104 kg mass is hanging from a length of string, while being pushed by a steady horizontal breeze such that the string makes an angle of 38.4° with respect to the vertical. Find the magnitude of the push.
asked by Anonymous 
francais
Please can you check my work so far. we have to fill in the gaps. my answers are in '..'. i have no idea what is supposed to go in the gaps my teacher says some answers would be better than others please could you help. Je ne mange jamais 'le porc' parce
asked by freya 
MATH
Translate to an algebraic expression. The product of 21% and some number. The translation is= Type the percentage as a decimal. use d to represent some number.
asked by Jamie 
s.s
Im a 5th grader and I need help with how to start a book report.
asked by queeneka 
calculus HELP
how do you find the domain of the function:: 14/(x^2  361)
asked by joe 
Math Help
5simplify your answer. type an improper fraction.s+st3s/19
asked by Cathy 
Calculus
So I have a function of two variables f(x,y)=y^x. where is this function continuous? I'm thinking that the only restriction that applies is y>0
asked by Sammie 
Algebra 1A
5x1=39 the solution is x= is the answer 24? thanks
asked by Lea 
Algebra 1A
find the decimal notation for fraction7/13 the decimal notation for the fraction round to the nearest hundredth. help
asked by Lea 
algebra
solve the formula for the indicated variable. B=yw+y for w the solution is w= ? I have solved similar problems such as this but extra letter throws me off... can someone please help me?
asked by Anonymous 
algebra
can someone please check my answer to this problem? solve for indicated letter. n=m+d, for m the solution is m= (n+d)/m is this correct?
asked by Anonymous 
Math
Find the smallest postive integre that gives a remander of 2 when divided by either 3 0r 7, and gives a remainder of 3 when divided by 5.
asked by Katy 
English
How does Dos Passos show bias in the book Manhattan Transfer? (examples) Thank You
asked by Samantha 
Algebra 1A
help multiply 8x(2.3)=18.4 is this correct? thanks
asked by Lea 
Algebra 1A
multiply 5/7(b35)=o is this correct? thanks
asked by Lea 
Algebra 1A
Help Please! multiply 5/7(35)= 0 is this correct? if not will you show me please? thanks
asked by Lea 
science
A biologist finds a cell with what appears to be two nuclei(nucleus) what conclusion might you make about why this cell appears to have two nuclei?
asked by Peyton 
pigskin geography
Can you help me answer this question ? Beyond the 30 & American hitory ! september 23, 1806 is the date Lewis& clark returned to the city near the expedition began. Which host team might salute their feat at a halftime observance? thank you.
asked by chris 
pigskin geography
My answer is St Louis Rams . Is it correct
asked by chris 
Cultural Diversity
What are some of the changes the United States has made concerning the treatment of Muslim and Arabic members of society?
asked by linda 
english
The clerk will wait on the person _______ is next. A. who (my answer) B. whom C. whoever D. whomever
asked by me 
medical term
A neurotic is suffering from A. neurasthenia. B. neurasthenics. C.neurosis(the best answer i think) D. neurasthectomy.
asked by me 
Math
Multiply. (13/36) (1/8) (18/15) (1/15)= I got 0.0036111 How do I convert this to a fraction?
asked by Anonymous 
FIN 200
Collins Office Supplies is considering a more liberal credit policy to increase sales, but expects that 9 percent of the new accounts will be uncollectible. Collection costs are 5 percent of new sales, production and selling costs are 78 percent, and
asked by Jim 
Math
Lisa needs to make 2 times as many tunas as cheese sandwiches and 4 times as many ham as cheese sandwiches. If Lisa makes 56 sandwiches, how many of each of the 3 kinds will she make?
asked by Kate 
englishmetaphor
All sentences must be properly constructed. Finally, you are to use at least one simile/and or metaphor in each paragraph. This is what I have so far In Brooklyn there was always something to do, there were so many exciting places to go. If you were bored
asked by melissa 
MATH
please check my answers 1. the ratio of 5 3/5 to 2 1/10=8to 3 2.the ratio of 7 dimes to 3 quarters =14 to 15 3.Marc took 3 hours (h) to mow a lawn while Angelina took 150 minutes (min) to mow the same lawn a week earlier. Write the ratio of Marc’s time
asked by P 
Math116
Evaluate: 4r for r=12 and s=6/s Simplify your answer= 6/s Is my answer right? Thank you.
asked by Kate 
college
In what ways did democracy create a new political culture? How did democracy impact social change?
asked by natasha 
Reading/Oral & Written
What is the differants between: verbs that are in base form and verbs that are not in base form
asked by Minnie 
Gradient of circle?
A circle has the equation x^2+y^24x+6y12=0 and i have already found that the centre has a coordinate of (2,3), and a radius of 5 units. But i need to find points on the circle that has the gradient of 4/3 when a tangent is drawn on the point. How do i
asked by Marrion 
MATH
Divide if possible 48/8 select the correct choice below and fill in any answer boxes in your choice A.48/8= B.The answer is undefined.
asked by Sammy 
yr 9 ict
for ICT i need to answer these questions about Copyright designs and patent act: . when did this act come into being? 1988 . find a definition of the Act .list three ICT and three nonIct things that are covered by this Act . what penalties can you face
asked by Lou 
french
does spots mean commercial i have tried dictionaries and online translators none of them know the word
asked by dave 
Math
4/3+(5/12)= Simplify your answer. Type a fraction.
asked by Jamie 
Maths!
Given that (2^3x) x (7^2x) = 7^(x1) x 2^(2x+2), find 14^x without using a calculator.
asked by Marrion 
science
what is technology and what are the categories give five examples of each i need an answer imediately PLEASE!!!!
asked by Ashley 
Math
Use laws of exponents to simplify. (10^(11/14))^(2/9) Would the answer be 10^(11/63) ?
asked by Nefty 
3rd grade math
Shelby had $18.50. she spent $7.25 at the car wash. Write an expression that shows what she spent.
asked by jean 
Math
Simplify. 5[29(14)]=
asked by Mike 
computers
Hey mathmate is it posible to make the computer read my powerpoint presentation and thanks again for answering my other question
asked by Nathan 
6th Grade Science
how long has a shield volcano lasted?
asked by Debbie 
Math
can someone answer this for me? simplify. 5[29(14)]=
asked by Mike 
social studies
what is a delta plain
asked by rachel 
writeacher ict
thankyou for your help .
asked by kallum 
ict writeacher
just wanted to say thanks for your time to help me your a star!
asked by lou 
SOCIAL STUDIES
I am trying to understand what congress cannot do, but its confusing.
asked by JJ 
physics
the x and y component of an acceleration vector are 3.0 m/s^2 and 4.0 m/s^2, respectively. (a) The magnitude of the accerleration vector is (1) lets than 3.0 m.s^2, (2) between 3.0 m/s^2 and 4.0 m/s^2, (3) between 4.0 m/s^2 and 7.0 m/s^2, (4) equal to
asked by Standard C. 
ict teachers please help
hi ive got the same assignment as lou and keiran on the copyright design and patent act. im struggling to find the non ict things which need the copy design and patent act: is it your name and personnal details? sorry to be a pain in asking
asked by harvey 
History
i need help finding information (websites) on what education was like during the 18791899 and 19001919 Thanks
asked by Brandon 
Accounting
Explain why supplies cannot have a credit balance
asked by Cingram 
circles
the radius of a curvature is 10ft and the height of the segment is 2ft. What is the length of the chord
asked by Lee 
Mancheaser High
link the European wars with the American wars of the 17 century
asked by Hoshane Mcindoo 
Mancheaser High history
factors that lead to Portuguese hedge money(monopoly or control) in Africa
asked by Hoshane Mcindoo 
aed200
Will you have a behaviorist approach to instruction or a constructivist one?
asked by Anonymous 
com 220
What would be a better conclusion to my paper? Depression, anxiety, and other mental illnesses are worldwide to be thought of diseases that are “just in the head”. Even if that is true the patients know they are sick and they need help by taking
asked by lindsay 
critical thinking
How can a problem statement be formulated so that it is considerate of stakeholder's perspectives
asked by Michelle 
Math
What are the steps of order of operation?!
asked by :)help please 
Algebra 1A
in 1993 the elevation of an offshore well was 2990ft. in 1998, a new well was 370ft. deeper. what was the elveation of the new well in 1998. in 1998 the elevation of the new well was 3360. is this correct? thanks
asked by Lea 
Math
With order of operations, how would I solve this equation?! 1218.5+15+6.31+28
asked by :)help please 
biology
What will happen to the reaction without an enzyme?
asked by Anonymous 
Algebra 1A
translate to an algebraic expression. 3 divided by y. the translation is =3/x=1 & y=3 is this correct? thanks
asked by Lea 
a
8x(2.3)=18.4=2 is this the correct answer? thanks
asked by Lea 
Physical Science
What do we harvest carbon from?
asked by Lisa 
Math
Pls help I have quiz on tuesday and I don't get this stuff... How do I subtract... 1. 8/d  3/d 2. 1  8/9
asked by Linda