Questions Asked on
September 26, 2009


    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
  2. 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
  3. 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
  4. Accounting

    Explain why supplies cannot have a credit balance

    asked by Cingram
  5. Geography

    why is south Korea a medc country??? any companies? anything in history that made it so? please help

    asked by Jennifer
  6. Algebra 1A

    translate to an algebraic expression 32 more than n, translation is > is this correct? thanks

    asked by Lea
  7. 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
  8. 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
  9. 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
  10. 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
  11. Pre-Calc

    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
  12. biology

    What will happen to the reaction without an enzyme?

    asked by Anonymous
  13. 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
  14. us history

    why is the study of early Americans so difficult?

    asked by k
  15. Algebra 1A

    multiply 5/7(b-35)=o is this correct? thanks

    asked by Lea
  16. Algebra 1A

    Help Please! multiply 5/7(-35)= 0 is this correct? if not will you show me please? thanks

    asked by Lea
  17. religion

    What are Hinduism's core beliefs?

    asked by john
  18. Algebra 1A

    solve for the indicated letter b=a+d for a= the solution is a= b. is this correct? thanks

    asked by Lea
  19. 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
  20. 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
  21. 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 half-time observance? thank you.

    asked by chris
  22. 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
  23. pigskin geography

    My answer is St Louis Rams . Is it correct

    asked by chris
  24. statistics

    1. In a large box are 20 ping-pong 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
  25. 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
  26. French

    meobdailfr.... its french what is the unscrambled...

    asked by Alexandra
  27. english

    The clerk will wait on the person _______ is next. A. who (my answer) B. whom C. whoever D. whomever

    asked by me
  28. medical term

    A neurotic is suffering from A. neurasthenia. B. neurasthenics. C.neurosis(the best answer i think) D. neurasthectomy.

    asked by me
  29. 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
  30. 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
  31. Math (Algebra)

    Can someone please check my answer? 9[73-(-95-61)]= 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
  32. 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
  33. math

    Factor. 45c+25d could someone guide me how to start this? thanks

    asked by Kelly
  34. 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
  35. 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
  36. Chemistry 101

    How do I find the mass % of Oxygen in sodium oxide?

    asked by Bridget
  37. french

    i need to write a composition of 15 lines on une visite le medicine

    asked by Vilda Pereira
  38. 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)/(1-tanx) a/b = (1+tanx)/(1-tanx)

    asked by Marrion
  39. Integration

    How should i integrate (4cos^2 - 1)? Do I use a certain formula??

    asked by Marrion
  40. 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
  41. 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
  42. english-metaphor

    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
  43. 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
  44. Math116

    Evaluate: 4r for r=12 and s=6/s Simplify your answer= 6/s Is my answer right? Thank you.

    asked by Kate
  45. 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- 4x-2y=3

    asked by kate
  46. college

    In what ways did democracy create a new political culture? How did democracy impact social change?

    asked by natasha
  47. ?? Maths??

    Find the values of b and c for which x^2+bx+c is a factor of 2x^3-3x^2-3x-5 Ok, i've tried to find a factor of the quadratic function using trial and error. Let f(x) = 2x^3-3x^2-3x-5 f(1) is not equals to 0 f(-1) is not equals to 0 ... and i cant find a

    asked by Marrion
  48. us history

    In what ways did democracy create a new political culture? How did democracy impact social change?

    asked by natasha
  49. 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
  50. 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
  51. physics

    (Requires calculus) Prove the relativistic work-energy 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
  52. 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
  53. 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
  54. Gradient of circle?

    A circle has the equation x^2+y^2-4x+6y-12=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
  55. Math

    Solve. 8x+4=4x+5= the solution is x= simplify your answer. Type an integer or fraction

    asked by Sammy
  56. 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
  57. 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
  58. 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
  59. algebra again

    Write an equation that passes through the points (4, 3) and (2, -2) I have -2 -3 is -5 and 2-4 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
  60. 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 non-Ict things that are covered by this Act . what penalties can you face

    asked by Lou
  61. 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
  62. french

    does spots mean commercial i have tried dictionaries and online translators none of them know the word

    asked by dave
  63. Math

    4/-3+(5/-12)= Simplify your answer. Type a fraction.

    asked by Jamie
  64. Maths!

    Given that (2^3x) x (7^2x) = 7^(x-1) x 2^(2x+2), find 14^x without using a calculator.

    asked by Marrion
  65. science

    what is technology and what are the categories give five examples of each i need an answer imediately PLEASE!!!!

    asked by Ashley
  66. Math

    Use laws of exponents to simplify. (10^(11/14))^(2/9) Would the answer be 10^(11/63) ?

    asked by Nefty
  67. 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
  68. 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
  69. 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 no-one 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
  70. 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
  71. 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
  72. 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
  73. 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
  74. physics

    A 2.85×10-4 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
  75. Math

    Can someone please explain how to solve 3x^2+7x-15=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.
  76. 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
  77. 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
  78. 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
  79. 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
  80. Math

    Find an equivalent expression without parentheses. -(c-11)=

    asked by Mike
  81. ENGLISH higschool

    Does knowledge acquired in highschool liberate or hinder studnets?

    asked by eng
  82. Math

    Simplify. 5[2-9(1-4)]=

    asked by Mike
  83. 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
  84. s.s

    Im a 5th grader and I need help with how to start a book report.

    asked by queeneka
  85. 12th grade

    Does knowledge acquired in highschool liberate or hinder students? Please help explain the question and your opinion.

    asked by eng
  86. 6th Grade Science

    how long has a shield volcano lasted?

    asked by Debbie
  87. Math

    can someone answer this for me? simplify. 5[2-9(1-4)]=

    asked by Mike
  88. social studies

    what is a delta plain

    asked by rachel
  89. writeacher- ict

    thankyou for your help .

    asked by kallum
  90. 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
  91. ict writeacher

    just wanted to say thanks for your time to help me your a star!

    asked by lou
  92. 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
  93. 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 Pre-K 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
  94. Math

    solve 3(2x-2)=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
  95. 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
  96. calculus HELP

    how do you find the domain of the function:: 14/(x^2 - 361)

    asked by joe

    I am trying to understand what congress cannot do, but its confusing.

    asked by JJ
  98. Pre-Calc

    Determine the solution. x^2=|x|algebraically I have no idea how to proceed with this. Can you please help?

    asked by MUFFY
  99. Math

    collect 5s+s+3s/19 simplify your answer. type an improper fraction

    asked by Cathy
  100. 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.
  101. Math Help

    5simplify your answer. type an improper fraction.s+st3s/19

    asked by Cathy
  102. 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
  103. 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
  104. History

    i need help finding information (websites) on what education was like during the 1879-1899 and 1900-1919 Thanks

    asked by Brandon
  105. ToGnozahs-Continuation 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: The correct formulas are: F = C*9/5 + 32 C = (F-32)*5/9 The graduations are wider apart on the C scale,

    asked by MathMate
  106. 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.
  107. 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
  108. physics

    The average speed of a nitrogen molecule in air is about 686 m/s, and its mass is 4.85×10-26 kg. If it takes 3.78×10-13 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
  109. 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
  110. 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
  111. 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
  112. 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
  113. world history

    Was plato's ideal form of government philsopher kings.

    asked by Katie
  114. french

    student A: Est-ce 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
  115. 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
  116. Mancheaser High

    link the European wars with the American wars of the 17 century

    asked by Hoshane Mcindoo
  117. Mancheaser High history

    factors that lead to Portuguese hedge money(monopoly or control) in Africa

    asked by Hoshane Mcindoo
  118. aed200

    Will you have a behaviorist approach to instruction or a constructivist one?

    asked by Anonymous
  119. 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
  120. 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
  121. Algebra 1A

    5x-1=39 the solution is x= is the answer 24? thanks

    asked by Lea
  122. 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
  123. Algebra 1A

    find the decimal notation for fraction-7/13 the decimal notation for the fraction round to the nearest hundredth. help

    asked by Lea
  124. 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
  125. Algebra 1A

    multiply (-9)(11)= 99 is this correct

    asked by Lea
  126. 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
  127. 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
  128. 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
  129. critical thinking

    How can a problem statement be formulated so that it is considerate of stakeholder's perspectives

    asked by Michelle
  130. Math

    What are the steps of order of operation?!

    asked by :)help please
  131. 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
  132. 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
  133. Math

    With order of operations, how would I solve this equation?! 12-18.5+15+6.3-1+28

    asked by :)help please
  134. 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
  135. English

    How does Dos Passos show bias in the book Manhattan Transfer? (examples) Thank You

    asked by Samantha
  136. 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
  137. Algebra 1A

    help multiply 8x(-2.3)=-18.4 is this correct? thanks

    asked by Lea
  138. a

    8x(-2.3)=-18.4=2 is this the correct answer? thanks

    asked by Lea
  139. Physical Science

    What do we harvest carbon from?

    asked by Lisa
  140. 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
  141. 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
  142. 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
  143. 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
  144. 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
  145. 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