Questions Asked on
February 20, 2014

  1. math

    Suppose an investment of $2,300 doubles in value every decade. The function gives the value of the investment after x decades. How much is the investment worth after 2 decades? (1 point)

    asked by isjussme
  2. College Algebra

    Find the present value of $100,000 if interest is paid at a rate of 8% per year, compounded monthly, for 5 years.

    asked by Lexie
  3. Math

    The population of a certain species of bird is limited by the type of habitat required for nesting. The population behaves according the the logistic growth model n(t)=5600/0.5+27.5e^-0.044t Where t is measured in years a) Find the initial bird population

    asked by Anonymous
  4. math

    If $3500 is invested at an interest rate of 6.25% per year, compounded continuously, find the value of the investment after the given number of years. a) 3 years b) 6 years c) 9 years

    asked by Anonymous
  5. math

    If $8000 is invested in an account for which interest is compounded continuously, find the amount of the investment at the end of 12 years for the following interest rates. a) 2% b) 3% c) 4.5% d) 7%

    asked by Anonymous
  6. English

    What was poetry like during the Romantic period? Discuss three characteristics of Romanticism. I'm looking for 1-2 sentences for the first question, and maybe 3-6 for the second question. Thank you so much to anyone who helps. Any help is appreciated. :)

    asked by Bob
  7. Biology

    A typical organism that might occupy a forest in the southwestern United States is a a. Cactus b. grizzly bear c. parrot d. polar bear

    asked by David
  8. History

    When was the first contact of the following first nations people of canada: First nations of the Mackenzie and Yukon River Basins Pacific coast first nations Plateau Fist Nations Plains first nations

    asked by Aly
  9. Chemistry

    A compound is known to be a cesium halide, CsX. If 3.00 grams of the salt is dissolved in exactly 100.0 grams of water, the solution freezes at -0.735°C. What is the chemical formula for the salt?

    asked by Susy, PLEASE HELP
  10. MATH 12

    Kalpna opened this portfolio 4 years ago. - A $8500 fund that earns 5.45%, compounded annually - Monthly deposits of $200 into an account earning 3%, compounded monthly a) What will be the portfolio's value in 30 years when Kalpna is ready to retire? b)

    asked by Anonymous
  11. math

    a farmer wishes to fence a field in the form of a right triangle.If one angle of the right triangle is 43.2 degree,and the hypotenuse is 200yard,find the amount of fencing neede.

    asked by rhodora
  12. math12A TRIG pleas help

    a farmer wishes to fence a field in the form of a right triangle.If one angle of the right triangle is 43.2 degree and the hypotenuse is 200yard,find the amount of fencing needed.

    asked by Anonymous
  13. Chemistry

    Calculate the concentration of IO3– in a 9.23 mM Pb(NO3)2 solution saturated with Pb(IO3)2. The Ksp of Pb(IO3)2 is 2.5 × 10-13. Assume that Pb(IO3)2 is a negligible source of Pb2 compared to Pb(NO3)2.

    asked by Sonya
  14. Physics

    A student performs a ballistic pendulum experiment using an apparatus similar to that shown in the figure. Initially the bullet is fired at the block while the block is at rest (at its lowest swing point). After the bullet hits the block, the block rises

    asked by Karen
  15. Physics

    A train is moving parallel and adjacent to a highway with a constant speed of 27 m/s. Ini- tially a car is 29 m behind the train, traveling in the same direction as the train at 38 m/s and accelerating at 2 m/s2. What is the speed of the car just as it

    asked by Karen
  16. physics 2

    a certain 12v storage battery with an internal resistance of 12 ohms delivers 80 A when used to crank a gasoline engine. if the battery mass is 20 kg and it has average specific heat of 0.2 kcal/kg K. what is its rise in temperaure during 1 min of cranking

    asked by Anne
  17. English

    What role does freedom play in the poems you read in this unit? Write about at least three of the poems, describing how the poet uses imagery to depict freedom, the lack of it, or the desire for it.

    asked by chandre
  18. Physics

    A 600-kg car is going around a curve with a radius of 120 m that is banked at an angle of 25.0° with a speed of 30.0 m/s.The coefficient of static friction between the car and the road is 0.300. What is the force exerted by friction on the car?

    asked by Sandhya
  19. Hydrodynamics

    Natural frequency of the sloshing water in a swimming pool of a cruiser ship is studied by an experimental set up with a scale of 1/10. If the natural frequency is found 3.5 Hz, then what is the natural frequency for full scale?

    asked by Cagri
  20. Sloshing water frequency

    Natural frequency of the sloshing water in a swimming pool of a cruiser ship is studied by an experimental set up with a scale of 1/10. If the natural frequency is found 3.5 Hz, then what is the natural frequency for full scale?

    asked by Cagri
  21. Math

    Kimberly is 3 times as old as her sister, Halley .Find the ratio of Kimberley"s age to Hallet"s age. Give your answer in fraction form.

    asked by Helen
  22. Pre algebra

    What is y=5x+5 the anwser and a graph? What is y= -3x+ 6 the anwser and a graph or the coordinates ? What is 3x-6y< -12 with a graph or coordinates

    asked by Name
  23. Social studies

    What social or political factors influenced over the creation of public policy

    asked by Anonymous
  24. Art

    I have no idea what my teacher is asking, I know nothing about history and art, please help. The DQ for this week is: This week we are looking at symbolism and given the example of a Treaty signing. Tell me what you think about the entire situation

    asked by Stephanie
  25. math

    an initial population of 865 quail increases at a annual rate of 15%. write an exponential function to model quail population

    asked by nick
  26. social studies

    voting in national elections is not only a right but an example of a a) law b) tort c) legislation d) responsibility

    asked by victoria
  27. social studies

    which is not necessary in order for a bill to become a law ? a) the governor must sign the bill b) a majority vote is needed in the house c) the majority of vote is needed in the senate d) the same version of the bill must be passes

    asked by victoria
  28. STATS

    Archaeologists often find only parts of ancient human remains. For example, they may find a small finger bone, called the metacarpal bone. Is it possible to predict the height of a human from the length of his or her metacarpal bone? To investigate, a

    asked by Tracy
  29. Acct

    One of the companies for which you provide accounting services offers office cleaning services and has 8 customers. Cleaning services are provided in the evenings, Sunday through Thursday, at a rate of $30 per day. Billing is done every Friday. During the

    asked by Marty
  30. Chemistry

    A compound is known to be a cesium halide, CsX. If 3.00 grams of the salt is dissolved in exactly 100.0 grams of water, the solution freezes at -0.735°C. What is the chemical formula for the salt? i know it would be -0.735= -1.86 * m m= 3g/ X g/mol/kg

    asked by Susy
  31. Chemistry

    Given the equation CaO + H2O = Ca(OH)2 if you start with 1.86 moles of CaO, how many moles of Ca(OH)2 will result?

    asked by wendy
  32. civics

    In the Battle of _______, a disastrous charge against forces holding Cemetery Ridge led to Confederate defeat.

    asked by steven
  33. Life orientation

    1.now think what you would really like to do with your life.using a mind map write down at least 3 ideas 2.write the short term,medium term nd the long term goals you need to achieve frome the ideas u have written in your mind map. our goals must

    asked by ntokozo maila
  34. Pre-Algebra

    Can someone PLEASE explain to me what the formula is for finding the surface area of a pyramid? I am on this lesson from my school and I can't quite understand what the formula is. If you can also give an example of a problem, that would be great! :)

    asked by #1Student
  35. Calculus

    x dy/dx +2y=1

    asked by Anonymous
  36. maths

    55 010 - 899=

    asked by florence
  37. health care law and ethics

    I have to wtite a 2 page paper regarding the pros and cons of confidentiality. I am having a hard time find websites to help. Can you recommend any

    asked by Gabby
  38. English IV

    Help Please! Choose the function of the italicized infinitive phrase shown below. (stars indicate italicized infinitive phrase) Meridith is *to be restored as captain.* Answer Options: Function of infinitive: Adjective, Adverb, or Noun. (I chose adverb &

    asked by B
  39. Chem

    I'm not sure about this: Rank from most to least valence electrons- Xe, In, I, Sb, Rb Thanks -MC

    asked by mysterychicken
  40. Finance

    If Mrs. Smith lives to age 88 (she is now retiring at 65 years) what annual APR will result in the 420000 reaching a balance of 1000000 upon her death, if she deposits them in an account that offers monthly compounding?

    asked by corporate finance
  41. Chemistry

    Calculate the Ph and POH of an aqueous soltuion that is 0.500 M in HCl(aq) and 0.085 M in HBr (aq) at 25 degrees C.

    asked by Help
  42. Chem

    In a 1.0x10^-6 M solution of HNO3(aq) at 25 degrees C, identify the relative molar amounts of species from most to least. HNO3 H3O+ H2O OH- NO3-

    asked by Mer
  43. programming

    =42 Z=~3 {Browse X} % (a) {Browse Z} declare Y=X+5 {Browse Y} % (b) declare X=1234567890 {Browse X}

    asked by Time
  44. computer programming

    local X=1 in local X=2 in local X=3 in {Browse X} % (1) end end {Browse X} % (2) end

    asked by Lab
  45. math

    bob needs 161 programs for the school play on thursday.how many boxes of programs will he need, given that each box contains 34

    asked by tatum
  46. computer programming

    {Browse {P 42} == 555} {Browse {Q 42} == 777}

    asked by laser
  47. social studies

    all of the following are examples of special-purpose governments except a) city councils b) school districts c) port authorities d) fire departments

    asked by victoria
  48. pre cal

    a+1 a-1 B+1 _________ = _______ + _________ B B a Solve for A. Note: I set up problems with underlines so they can look like fractions. That's what they are.

    asked by Danielle
  49. physics

    If the cart weighs 8.7kg and the cart starts at a height of 3m, what is the final velocity of the cart? the starting velocity is 0

    asked by Anonymous
  50. Physics

    A uniform rope with length L and mass m is held at one end and whirled in a horizontal circle with angular velocity w. You can ignore the force of gravity on the rope. (a) At a point on the rope a distance r from the end that is held, what is the tension

    asked by Saraf
  51. Physics

    A 14g bullet is traveling at 306m/s when it strikes a block of wood. If the block of wood exerts a force of 50,000 N opposing the motion of the bullet, how far will the bullet penetrate the block of wood?

    asked by HELP
  52. Math

    Ms Brown had 1/5 students who brought ice cream. 3/4 of them brought candy.How many kids enjoyed the party in all.

    asked by Ms.Hughes
  53. physics

    choose the correct answer and why? a car starts from rest and reaches speed of 80 km/h in 16 s the average acceleration of the car is: a\ 0.7 m/s*2 b\1.4 m/s*2 c\5 m/s*2

    asked by Reem
  54. Physics

    A 439g block is placed on a spring with a spring constant of 193N/m, compressing it 28cm. What height does the block reach when it is launched?

    asked by Jhonny
  55. calculus

    ax+b/cx+d=2 solve for x

    asked by Danielle
  56. Business

    How can efficient and effective management be used as an asset for SM JALEEL? 500 words

    asked by Ricardo
  57. algebra

    Solve inequality |2 x+10|26

    asked by Molly
  58. algebra

    Solve the inequality |2x+10|>26

    asked by Molly
  59. math

    A department store has a reward program for its frequent customers. For every $150 spent, a customer earns 5 reward points. Which equation represents the relationship between p, the number of reward points, and a, the totlal amount spent by a customer? A.

    asked by thmas
  60. math

    Jewel uses 1/8 lb of cheese to make a sandwich in the cafeteria where she works.She purchased a 5 lb block of cheese earlier this week and has already used 1 3/4 lb from the block.Which equation could be used to find n, the number of sandwiches that jewel

    asked by thmas
  61. Finance

    If Mrs. Smith lives to age 88 (she is now retiring at 65 years) what annual APR will result in the 420000 reaching a balance of 1000000 upon her death, if she deposits them in an account that offers monthly compounding?

    asked by corporate finance
  62. 6th grade science - CHECK MY ANSWER

    The size of an organism is most likely determined by...? Answer choices: 1. its genes but not its environment 2. its environment but not its genes 3. its genes and its environment 4. neither its genes nor its environment MY ANSWER: 3. its genes and its

    asked by Elina
  63. Math (pre calculus)

    ax+b/cx+d=2 solve for x

    asked by Danielle
  64. Physical sciences

    If you were in the middle of a frozen pond explain how will you get off the pond without making the use of any exernal help

    asked by Anonymous
  65. Java

    write a java program to read a record name, age, and salary. Calculate the tax amount on the salary field display the new record.

    asked by Bano
  66. algebra

    Name property real number illustrated by equation 5+(15+6)=(5:+(15)+6

    asked by Molly
  67. algebra

    Which equivalent form following equation 2x-3y=3

    asked by Molly
  68. math

    The grade of a road is 6%. What is its angle of elevation?

    asked by nic
  69. Physical Science

    What is the hiker's total displacement? part a of the hike: distance:4km east start time: 9:00 am end time: 9:45 am part b: distance:6 km south start time: 9:45 am end time: 10:45 am part c: distance:4 km west start time:10:45 am end time: 11:15 part d:

    asked by dark1
  70. Homework help plz( Steve or Reiny)

    Determine if the number is written in scientific notation. If not, explain 32 * 10^4. (1 point) No; it is not written as a power of 10. No; the first factor is not a number between 1 and 10. Yes; the number is written in scientific notation. Determine if

    asked by Gabby
  71. math

    Ricki Cohn Encyclopedia sales Commission rate: 11% Month’s sales: $2,550 What is the monthly commission?

    asked by mrc
  72. Science

    Which of these structures relies on the circulatory system to transport the chemical compounds that it makes to the other body structures? a- neuron b- salivary gland c- sweat gland d- pituitary gland I think it is the pituitary gland?

    asked by Anonymous
  73. History

    Can I study Archeology while I did mathematical Literacy at school ?

    asked by Sylvia
  74. Astronomy

    How can Google Earth be used to access the size of the Earth?

    asked by Barbara
  75. English

    Can someone check if the questions and the sentences are grammatical? Thank you. 1)Can you fly with a Bergonian passport? 2) Why might visitors not be welcome on Seeland? 3) What are the citizens of the Aerican Empire like? 4) What happened to Danny when

    asked by Frank
  76. Media Literacy-Check Answers-

    What is an example of bias in media? a.) a website that presents a controversial opinion as though it were fact b.) a television news program that presents both side of particular issue

    asked by Alexia
  77. Science

    Which of the following pairs of structures share the function of reabsorbing water into the body? a- Lungs, Stomach b- bone marrow, small intestine c- hypothalamus, pancreas d- large intestine, kidney D?

    asked by Anonymous
  78. Physics

    A ball is thrown upward in two dimensions with an initial speed of 17 Zlugs per mega handle(made up) near the surface of the planet earth. What will be the y component of the balls velocity at the peak of its trajectory?

    asked by Michelle
  79. chemisty

    In Duluth, Mn the average temperature is -13.10 deg C . How much ethonal glycol, C2H6O2, must be dissolved in 1.00 kg of water to make a radiator fluid that wouldn't freeze until the temp reached -20.00 deg C? would my answer be 666.5 g C2H6O2 ?

    asked by Ted
  80. English

    8. Choose the type of punctuation that is missing from the following sentence. Were invited to the movies with Sam and Alex tonight. (1 point) apostrophe semicolon colon hyphen 9. For class tomorrow, I need you to bring the following paint, markers, and

    asked by Tamara
  81. Chemistry

    Assign oxidation numbers to each individual element in the following reaction and identify the oxidizing and reducing agents. 2 Zn S + 3 O2 -> 2 S O2 + 2 Zn O Ox#: Zn=+2 S=-2 O=-2 -> S=+2 O=-2 Zn=+2 O=2 Is that correct? I'm not sure how to identify the

    asked by Joy
  82. chemistry

    An aqueous solution of HCl has a concentration of .160m and a density of 1.0691 g/mL. What is the concentration of HCl as molarity?

    asked by Ted
  83. Pre-Algebra

    what is the surface area of a square pyramid if the slant height is 15.2 m and the base is 15.2 m? please explain it to me. this is not homework, it is a practice question and I do not understand how to solve it. Someone PLEASE help!

    asked by #1Student
  84. Science

    Which of the following body systems does not rely on the autonomic nervous system to simulate involuntary events? A. skeletal system B. digestive system C. circulatory system D. respiratory system A

    asked by Anonymous
  85. Chemistry

    Write the total and net ionic equations for the following molecular reaction: HgNO3 (aq) + NaCl (aq) -> HgCl (s) + 2 NaNO3 (aq)

    asked by Ellen
  86. Science

    Which of the following must be true about the structures of axons and muscle cells in order for nerve impulses to stimulate muscle contraction? a- Axons and muscle cells must both have structures that make and secrete the same small molecules. b- axons and

    asked by Anonymous
  87. Math

    Archaeologists often find only parts of ancient human remains. For example, they may find a small finger bone, called the metacarpal bone. Is it possible to predict the height of a human from the length of his or her metacarpal bone? To investigate, a

    asked by Tracy
  88. Math

    1. Find two numbers whose sum is 84 and one number is 18 more than the other. Answer: 84-18=2x x=33 84+18=2x x=51 2. A board 125 inches long is to be cut into two equal parts so that one part is 4 inches less than twice as long as the other part. Find the

    asked by Finding and solving equations
  89. Enn103f

    What thought and feeling has the writer had about training and running? Please help I'm confused idont understand this question

    asked by Costance
  90. Social Studies--Check My Answers Please--

    1. What act did Congress pass in order to relocate Native Americans? a.) Naturalization Act b.) Alien Act c.) Relocation Act d.) Indian Removal Act

    asked by Destiny
  91. calculus

    #3 A solid has a base in the form of the ellipse: x^2/25 + y^2/16 = 1. Find the volume if every cross section perpendicular to the x-axis is an isosceles triangle whose altitude is 6 inches. #4 Use the same base and cross sections as #3, but change the

    asked by Anonymous
  92. Adding and subtracting fraction

    On Monday Roger spent 8 1/10 hours studying. On Tuesday he spent another 1 3/10 hours studying. What is the combined time he spent studying?

    asked by Chyna
  93. Algebra

    A woman bought some large frames for $16 each and some small frames for $7 each at a closeout sale. If she bought 20 frames for $176, find how many of each type she bought? She bought ___ large frames? She bought ___ small frames?

    asked by NotYourEinstein
  94. math-

    bill spent 7 9/10 hours working on is reading and math homework. if he spent 5 3/6 hours on his reading homework, how much time did he spend on his math homework?

    asked by Chyna
  95. math

    an architect built a road 6 5/6 miles long. the next road he built was 3 9/10 miles long. what is the combined length of the two roads?

    asked by Chyna
  96. Math

    Determine whether the equation represents direct, inverse, joint, or combined variation. y = 2x on 3rd

    asked by Eva
  97. English

    What would you write in rising action, falling action, and a resolution on a plot diagram? Like things we would write, my story's about a girl who's afraid to go on a ride..

    asked by Anonymous
  98. Science

    Which of the following body systems has a component that stops functioning and leads to diabetes? A) endocrine system B) digestive system C) circulatory system D) nervous system A

    asked by Anonymous
  99. Science

    Which of the following can a hospital do to reduce the spread of infectious diseases? A) have patients wash hands very often using antibacterial soap B) keep infected patients confined, and limit visitors C) serve food to patients in paper bowls, and

    asked by Anonymous
  100. Algebra

    (Can someone please help?) A woman bought some large frames for $16 each and some small frames for $7 each at a closeout sale. If she bought 20 frames for $176, find how many of each type she bought? She bought ___ large frames? She bought ___ small

    asked by SpaceGazing
  101. physics

    the distance from the earth to the sun is 1.5 times 10 to the 11 power m ( 93 million miles) and the time for one complete orbit of the earth about the sun is one year. how long would it take a planet located at twice this distance from the sun to complete

    asked by Taylor
  102. Algebra

    Here is the question : Determine whether the equation represents direct, inverse, joint, or combined variation. y=2x^3

    asked by Eva
  103. scince i try i have no idea

    1. Patty wants to go to the beach so need to plan her trip. The beach is 165 km away from her house. She will be on the Parkway most of the time going an average of 30 km/h. What time will she reach the beach if she leaves her house at 6:00am? 2. Jack has

    asked by eduarda
  104. Froude number

    Show that Froude number of a propeller with diameter D and rotational speed n(1/sec) can be given as Fn=n*sqrt(D/g)

    asked by Hydro
  105. Algebra

    Let g(x) = -x2 + 4x + 1. Find g(k)

    asked by Eva
  106. math

    Rachel class recycled 8 3/5 boxes of paper in a month. if they recycled another 7 9/10 boxes the next month what is the total amount they recycled?

    asked by Chyna
  107. Limits

    Let lim f(x) =16 as x->4 and lim g(x) =8 as x->4 Use the limit rules to find lim [cos(pi*f(x)/g(x))] as x->4

    asked by Andy
  108. Math

    A killer whale has eaten 75 pounds of fish today. It needs to eat at least 140 pounds of fish each day. A bucket holds 15 pounds of fish. Write and solve an inequality that represents how many more buckets of fish the whale needs to eat?

    asked by Lisa
  109. Essay

    What could you include in a essay about scholarship, character, leadership, citizenship, and service?

    asked by Navpreet
  110. Physics

    A car is parked on a cliff overlooking the ocean on an incline that makes an angle of 21.0° below the horizontal. The negligent driver leaves the car in neutral, and the emergency brakes are defective. The car rolls from rest down the incline with a

    asked by James
  111. Algebra

    When three pumps, A, B, and C, are running together, they can pump 3400 gal per hour. When only A, and B are running, 1900 gal per hour can be pumped. When only A and C are running, 2300 gal per hour can be pumped. What is the pumping capacity of each

    asked by student5
  112. Math Algebra

    f varies jointly as g2 and h, and f = 50 when g = 4 and h = 2. Find when g = 3 and h = 6

    asked by Eva
  113. math

    choose any 3 digit number. How you can add and substract 10 and 100 from that number. Explain your mental strategies for adding or substrating based on placevalue usring precise language and models correctly

    asked by Ak
  114. Algebra

    i try this one but graphmatica gives me different graph. Please help. Solve for y in terms of x and replace y with the function notation f(x). -2x + 5y = 9

    asked by Eva
  115. Algebra

    Decide whether the given relation is a function of x. (NO CREDIT WILL BE GIVEN WITHOUT AN EXPLANATION). Give the domain. y=-7/x-16

    asked by Eva
  116. help i have no idea!!!!!!

    Sam spent $ 12 on lunch which was fruit, soup and a drink. She also has to pay 7.5% tax and wants to leave a 15% tip. How much will she spend on lunch?

    asked by 4th grade
  117. 1 algebra question

    What is the difference of the following polynomials? (6x^3 – 2x^2 +4) -(2x^3 + 4x^2 – 5) ________________

    asked by Gabby
  118. physics

    A block weighing 71.5 N rests on a plane inclined at 24.1° to the horizontal. The coefficient of the static and kinetic frictions are 0.26 and 0.13 respectively. What is the minimum magnitude of the force F, parallel to the plane, that will prevent the

    asked by Selam
  119. Algebra

    (Can someone please help me with this question?) When three pumps, A, B, and C, are running together, they can pump 3400 gal per hour. When only A, and B are running, 1900 gal per hour can be pumped. When only A and C are running, 2300 gal per hour can be

    asked by Student5
  120. Science

    Read an article, and use the article to jump-start your thinking about designing your very own space mission. Think about what you want to explore in the solar system (and why!) and how you might get there. Click on the link below to read the Science

    asked by #1Student
  121. physics

    A 33.3- kg block (m1) is on a horizontal surface, connected to a 5.1- $kg$ block (m2) by a massless string. The pulley is massless and frictionless. A force of 220.1 N acts on m1 at an angle of 32.p deg. The coefficient of kinetic friction between m1 and

    asked by Mimi
  122. Computer Science

    The Daily Gazette accepts classified ads in several categories. For most ads, the newspaper charges 10 cents per word for the first 50 words, and 8 cents per word for every word after that. Design Visual Logic Flowchart for a program that accepts data

    asked by Raj
  123. physics

    A 33.3- kg block (m1) is on a horizontal surface, connected to a 5.1- kg block (m2) by a massless string. The pulley is massless and frictionless. A force of 220.1 N acts on m1 at an angle of 32.p deg. The coefficient of kinetic friction between m1 and the

    asked by Mimi
  124. math

    we are trying to help my son with his math and we are not sure how to do the problem and since his school has no books to send home to help us we came here the problem is 1/8x=1/4

    asked by Angela
  125. advanced functions

    =the height in metres of a weather ballon above the ground after t seconds can be modelled by the function h(t)=-2t^3+3t^2+149, for 0

    asked by lisa
  126. math

    if x+1 is a factor of ax^4+bx^2+c, what is the value of a+b+c?

    asked by collard
  127. math

    choose any 3 digit number. How you can add and substract 10 and 100 from that number. Explain your mental strategies for adding or substrating based on placevalue usring precise language and models correctly

    asked by queena
  128. Science

    Which of the following body systems does not rely on the autonomic nervous system to simulate involuntary events? A. skeletal system B. digestive system C. circulatory system D. respiratory system A

    asked by Anonymous
  129. math

    6w=3

    asked by Angela
  130. Chemistry

    how do i figure out the valences for elements in the transition elements section in the periodic table of elements (i need it for doing nomenclature) and how do i figure out the valences if i don't have the periodic table of elements examples: Zn Cu Ni Co

    asked by Sam
  131. help i have no idea!!!!!!

    Jack has to take the bus to school and he can't be late again or he will have detention for a week. He leaves 24 m away from the bus stop. Jack woke up late and has 30 minutes to run to the bus stop? How fast must he run to make it to the bus stop on time?

    asked by idk
  132. Chem

    What would the Lewis Dot structures for Group 5A (15) and Group 7A (17) look like? Thanks -MC

    asked by mysterychicken
  133. Algebra

    Hiya. I have 7 expressions that I have been asked to simplify. I worked all of them out, and if you could, I'd like you to check my work for me. Here they are: 1. (x^2 + 3x - 9) + (-4x^2 + 2x - 3) My answer: -4x^4 + 5x - 12 2. (x - 2)(3x + 5) My answer:

    asked by Kathy
  134. Math

    Mandy scores b points in a basketball game. Jay scores 3 points less than Mandy. Kareem scores 2 times as many points as Mandy. Find the number of points that Jay scores in terms of b.

    asked by Sam
  135. English

    Have you discovered where you left your books?

    asked by Tamia
  136. math

    what is the rule for this table 52 44 47 39 40 blank 36 28

    asked by imani
  137. Math

    You have a room in your home that has a bay window (looks like a trapezoid shape on the floor). You need to figure out the area of the room in order to get carpeting. The rectangular part has dimensions of 24ft by 30ft. If the window has a depth of 2ft.

    asked by Cindy
  138. chemistry

    if I dilute 250 of mL of 2.4 M lithium hydroxide solution so that it's new volume is 750 mL, what is the concentration of the solution? 

    asked by Emma
  139. Chemistry

    If I leve 750 mL of 3.6 sodium chloride solution uncoverd and 150 mL of the solvent evaporates overnight, what is the new solution concentration?

    asked by Emma
  140. tech

    Why is drawing important to Technology and Engineering?

    asked by anonymous
  141. 6th grade science - CHECK MY ANSWER

    A color-blind woman marries a man who is not color-blind. All of their sons are color-blind, but none of their daughters are color-blind. Color-blindness is likely...? Answer choices: 1.the result of having too few chromosomes. 2.the result of having an

    asked by Elina
  142. Calculus

    lim([-1/(x+2)]+1/2)/x as x->0

    asked by Anthony
  143. Chemistry

    I have 500 mL of a 6.0 M solution that I want diluted down to 2 M. How many mL of water should I add to the solutiion. " FOR EVERY PROBLEM YOU MUST DRAW A PICUTRE"

    asked by Emma
  144. history

    If you were one of the new immigrants who arrived in America in the 1880s, it's most likely that you would have been A. Italian and Catholic. B. Irish and Protestant. C. German and Lutheran. D. Swedish and Protestant. I think it's b.

    asked by Jessica
  145. AP Chemistry

    For 2 SO2(g) + O2(g) equilibrium reaction arrow 2SO3(g), Kp = 3.0 104 at 700. K. In a 2.00-L vessel the equilibrium mixture contains 1.11 g of SO3 and 0.106 g of O2. How many grams of SO2 are in the vessel

    asked by Zeisha
  146. Math

    Solve the equation: |6x - 2| = |3x + 1|

    asked by Ivan
  147. Chemistry

    Christian Brothers Brandy (80%, 1.7 L) what do I do with this problem it's a percent compostion work sheet

    asked by Emma
  148. Algebra

    Determine which point, if any, is in the solution half-plane of the two variable inequality. 3x – 2y < 6 Select one: a. (4, 1) b. (-1, -5) c. (1, 0) d. (2, -2

    asked by Mark
  149. Algebra

    What is the domain of this relation? Is it a function? {(2, 7), (0, 3), (-4, 3)} Select one: a. {7, 3}; yes b. {2, 0, -4}; no c. {7, 3}; no d. {2, 0, -4}; yes

    asked by Mark
  150. Math

    If taxi 1 charges 2.50 to ride and 20 cents for every 1/10 of a mile, and taxi 2 charges 3.25 to ride and 15 cents for every 1/10 of a mile at what point will they cost the same thing

    asked by Sharkiesha
  151. chemistry

    How many enthalpy changes (ÄH’s) would be required to calculate the total enthalpy change when ice at 0.0oC is turned to steam at 100.0oC?

    asked by Anonymous
  152. Math

    If x varies inversely as y, and if x = 24 when y = 6, find x when y = 15.

    asked by Martha
  153. Math

    If x varies directly as y, and if x = 6 when y = 15, find y when x = 30

    asked by Martha
  154. Math

    Determine if the lines L1 and L2 passing through the give pair of points are parallel, perpendicular, or neither. L1: (-2, -3), (1, 3) and L2: (4, 5), (-4, -11)

    asked by Gina
  155. Chemistry

    Consider the two equilibria: BaF2=Ba2+ + 2F- Ksp=1.7x10^(-6) F- + H20=HF + OH- Kb=2.9x10^(-11) Determine the solubility of BaF2 at pH=5? What I'm mostly confused about is how to determine if F- is dominant or if you have to take HF into account while doing

    asked by Anonymous
  156. Probability

    There are 49 mice in a pet shop. 30 mice are white. 27 mice are male. 18 mice have short tails. 8 mice are white and have short tails. 11 mice are male and have short tails. 7 mice are male but neither white nor short-tailed. 5 mice have all three

    asked by Anonymous
  157. Essay

    Would this essay be good? Anything I should add? I still need like 200 more words.. Intro; Hello, I am 12 years old and my name is Navpreet Chauhan. I have been going to Hamilton Southeastern schools for about 7 years. I love helping others out.

    asked by Navpreet
  158. Algebra

    How do I solve this problem for daily inventory costs: The materials manager for a billiard ball maker must periodically place orders for resin, one of the raw materials used in producing billiard balls. She knows that manufacturing uses resin at a rate of

    asked by PPC
  159. Social Studies

    Select all that apply. Three ways that unions made their opinions known were through: strikes collective bargaining support of labor legislation blacklisting

    asked by sweets
  160. Math

    If a varies jointly as b and c, and if a = 100 when b = 5 and c = 25, find a when b = 12 and c = 60

    asked by Ivan
  161. Probability

    The probability that Kate goes to the cinema is 0.2. If Kate does not go Claire goes. If Kate goes to the cinema the probability that she is late home is 0.3. If Clair goes to the cinema the probability that she is late home is 0.6. Calculate the

    asked by Anonymous
  162. Chemistry

    1. Calculate the pH for each of the following cases in the titration of 25.0 mL of 0.240 M pyridine, C5H5N(aq) with 0.240 M HBr(aq): (a) before addition of any HBr (b) after addition of 12.5 mL of HBr (c) after addition of 22.0 mL of HBr (d) after addition

    asked by Mia
  163. bcc

    the tail weighed 9 pounds. the hyead weighed as much as the tail plus 1/3 of the body combined, and the body weighed as much as the head and tail combined. what was the total weight of the fish?

    asked by handel
  164. social studies

    1. Which activity does Louisiana lieutenant governor perform on a day to day basis ? a) appointing committee chairs b) serving as president of the Senate c) participating in meeting with governor d) acting as governor when the governor is unable to serve

    asked by victoria
  165. math

    Define variable. Show work 3/8 = 7/x+1

    asked by Arica
  166. Statistics

    An electronic product contains 32 integrated circuits. The probability that any integrated circuit is defective is 0.02, and the integrated circuits are independent. The product operates only if there are no defective integrated circuits. What is the

    asked by Ashley
  167. math

    solve the equation -n+8n=35

    asked by jesse
  168. Chemistry

    Three people weigh on a standard mass of 2.00 g on the same balance. Each person obtains a reading of 7.32 for the mass of the standard. These results imply that the balance that was used is ___________. a) neither accurate nor precise b) accurate c)

    asked by Bryan
  169. Math

    Tressa's closet is 5 feet long, 4 feet wide, and 7 feet high. What is the volume of Tressa's closet. A. 140 feet B. 140 square feet C. 140 cubic feet

    asked by Crystal
  170. Math

    Solve for variable 3/8 = 7/ x+1

    asked by Erin
  171. goal setting

    Keeping a separate schedule for your studies apart from other activities is: A. a waste of time. B. a good idea. C. too tedious. D. does not matter.

    asked by Anonymous
  172. math

    Hadley's softball team has a phone tree in case a game is cancelled.The coach calls 3 players. Then each of those players calls 3 players and so on.How many players will be notified during the 3rd round of calls?

    asked by mon
  173. math

    on monday carlos ran 1/8 of a mile. on wednesday he ran 5/6 of a mile. carlos ran 3/8 of a mile on friday. which day did calos run the farthest?

    asked by Jim
  174. math

    -(6-c)+3(2c-7)=1

    asked by jesse
  175. math

    lucy has a collection of buttons 2/3 of her buttons are square and 2/8 of her buttons are round. does lucy have more square buttons or round buttons?

    asked by Jim
  176. Math

    Y-2/24 = -5/4

    asked by Leslie
  177. Statistics

    Astronomers treat the number of stars in a given volume of space as a Poisson random variable. The density in the Milky Way Galaxy in the vicinity of our solar system is one star per 16 cubic light years. (a) What is the probability of three or more stars

    asked by Ashley
  178. Physics

    a 2.5 kg ball moving at 7.50 m/s is caught by a 70.0 kg man while the man is standing on ice. how fast will the man / ball combination be moving after the ball is caught by the man?

    asked by Gaby
  179. 2nd Math

    My daughter is learning about comparison problems. I would like to know how to write one and solve it.

    asked by Duane
  180. Bio Chemistry

    There are two main ways in which molecules are transported into and out of cells - active transport and passive transport. Which of the following statements is true of passive transport?

    asked by Anonymous
  181. Algebra 1 (Reiny)

    The measures of the sides of a triangle are shown as polynomials. The measures are: 2s^3 + 4; 5s; 4s^2 + 1. Write a polynomial to represent the perimeter of the triangle.

    asked by Anonymous
  182. Elgin Elem

    From 3:00 pm to 3:45 pm the minute hand of a clock turns how many degrees?

    asked by Rosa
  183. Algebra

    Can you please help me factor these expressions? Completely factor the following expressions. Please show work. 4x^2 - 8x - 12 + 6x 144 - 9p^2 5c^2 - 24cd - 5d^2 w^2 - 17w + 42 256z^2 - 4 - 192z^2 + 3 2a^2 c^3 - 14bc^3 + 32c^3 d^2 35g^2 + 6g - 9 3j^3 -

    asked by Kathy
  184. Chemistry

    How do you find the [OH-] of a 1x10^-3 M solution of NH4Cl?

    asked by Linda
  185. Probability

    There are 49 mice in a pet shop. 30 mice are white. 27 mice are male. 18 mice have short tails. 8 mice are white and have short tails. 11 mice are male and have short tails. 7 mice are male but neither white nor short-tailed. 5 mice have all three

    asked by Anonymous
  186. physics

    Suppose two children push horizontally, but in exactly opposite directions, on a third child in a wagon. The first child exerts a force of 75.0 N, the second a force of 95.0 N, friction is 12.0 N, and the mass of the third child plus wagon is 21.0 kg. (c)

    asked by Steve
  187. AP Chemistry

    For 2 SO2(g) + O2(g) equilibrium reaction arrow 2SO3(g), Kp = 3.0 104 at 700. K. In a 2.00-L vessel the equilibrium mixture contains 1.11 g of SO3 and 0.106 g of O2. How many grams of SO2 are in the vessel

    asked by Zeisha
  188. Algebra

    Use factoring and the zero-product property to solve the following problems: z(z - 1)(z + 3) = 0 x^2 - x - 10 = 2 4a^ - 11a + 6 = 0 9r^r - 30r + 21 = -4 Please show work. Thank you so much!

    asked by Kathy
  189. Chemistry help

    A ground state hydrogen atom absorbs a photon of light having a wavelength of 93.77 nm. It then gives off a photon having a wavelength of 94 nm. What is the final state of the hydrogen atom?

    asked by Katie
  190. Math

    Solve for the variable X+1/x-2 = 3/6

    asked by Cindy
  191. math

    a jar contains 26 fluid ounces of spaguetti sauce. How many cups of spaguetti sauce do 4 jars contain?

    asked by angelica
  192. chemistry

    What volume of 1.00 M NaOH would be required to neutralize 77.4 mL of 5.4 M HCl? Round to two places after the decimal point and keep it in mL

    asked by Corso
  193. History

    I have to read an article called "Survivors" and it's about people in the Holocaust. Then I have to write a 1-2 page essay about MY REACTION to the article and NOT a summary. I'm just stuck on how I should start my essay off. Any ideas? Thanks!

    asked by Emma
  194. math help

    Simplify the ratio 18 to 0.6 Is this right 18 ×10 0.6×10 180/6 6/6 30:1

    asked by Gio
  195. Chem 2

    When 3.89 g of a nonelectrolyte solute is dissolved in water to make 835 mL of solution at 26 °C, the solution exerts an osmotic pressure of 825 torr. What is the molar concentration of the solution? How many moles of solute are in the solution? What is

    asked by Bri
  196. Art - Color schemes

    I've been searching for a good 3-way color scheme. Blue, purple, & pink are my usual choice, but I need a new scheme for this.

    asked by Anonymous
  197. Algebra

    The sum of two numbers is 3. Four times the larger number plus three times the smaller number is 25. Find the numbers. The larger number is___? and the smaller number is___?

    asked by Student5
  198. algebra

    what is 7y-14x=-28

    asked by kenlie
  199. chemistry

    (a) The measured pH of a 0.200 M HBr solution at 25°C is 0.806. Calculate the activity coefficient for H . (b) The measured pH of a 0.200 M HNO3 solution at the same temperature is 0.822. Calculate the activity coefficient for H in this solution.

    asked by kdawg
  200. math

    A stairway runs up the edge of the pyramid. From bottom to top the stairway is 92 m long. The stairway makes an angle of 70° to the base edge, as shown. A line from the middle of one of the base edges to the top of the pyramid makes an angle of elevation

    asked by anon
  201. physics

    A 475 gram box is given a push and it then slides up and back down a ramp with a 35.0° incline. The coefficient of friction is 0.30. (a) Determine the rate of deceleration as the box slides up the ramp. (b) Determine the rate of acceleration as the box

    asked by harry
  202. Math

    a 16-foot ladder is leaning against a house and is 2 feet away from the foundation of the house. How high up will the ladder reach?

    asked by Abby
  203. Algebra

    In the United States, the highest incidence of fraternal twin births occurs among Asian-Americans, then African-Americans, then Caucasians. Of every 16200 births, the total number of fraternal twin births for all three is 778, where there are 195 more for

    asked by Student
  204. Science

    Which of the following must be true about the structures of axons and muscle cells in order for nerve impulses to stimulate muscle contraction? a- Axons and muscle cells must both have structures that make and secrete the same small molecules. b- axons and

    asked by Anonymous
  205. Math

    A triangular traffic island has a base half as long as it's height. The island has an area of 144m^2. Find the base and the height.

    asked by Pam
  206. algebra

    Which of the following is equal to (2x/5-9)+9. Answers are 2x/5, 5x/2, 2x/5-45, (2 x-9)+45

    asked by Molly
  207. Math

    The length of one leg of a right triangle is 8ft. The length of the hypothenuse is 2feet longer than the other leg. Find the length of the hypothenuse and the other leg. The length of the hypothenuse is _______ ft. The length of the other leg is

    asked by Pam
  208. Chem 2

    Vitamin K is involved in normal blood clotting. When 1.56 g of vitamin K is dissolved in 25.0 g of camphor, the freezing point of the solution is lowered by 5.23 °C. . Calculate the molar mass of vitamin K.

    asked by Bri
  209. Math

    An integer greater than -10 and less than -8

    asked by Lizzie
  210. algebra

    The equation y-100x=2000 can be used to represent monthly salary of a salary of a salesman ,y when he sells x computer system what is the salesman monthly salary if he sells no computer. Answers are 20, 100, 2000, 2100 thank you

    asked by Molly
  211. Intermediate Algebra

    A basketball team recently scored a total of 95 points on a combination of 2-point field goals, 3-point field goals, and 1-point foul shots. Altogether, the team made 54 baskets and 16 more 2-pointers than foul shots. How many shots of each kind were made?

    asked by Stuck
  212. Physics

    A rifle shoots a 4.1g bullet out of it's barrel. The bullet has a muzzle velocity of 975 m/s just as it leaves the barrel. Assuming a constant horizontal acceleration over a distance of 43.0 cm starting from rest, with no friction between the bullet and

    asked by D
  213. Calculus

    xy'-y=2xlnx

    asked by Anonymous
  214. chemistry

    The reaction of fluorine with ammonia produces dinitrogen tetra fluoride and hydrogen fluorida. 5F2(g)+2NH(g)---> N2F4(g)+6HF(g) A. If you have 66.6gNH3, how many grams of F2 are required for a complete reaction? B. how many grams of NH3 are required to

    asked by Lexa
  215. Math

    Jill is the leading scorer on her basketball team, with an average of 13.2 points per game. Which BEST describes Jill's scoring average: rate or ratio?

    asked by Cleanna
  216. algebra

    Solve the equation|2x+10|>26 answers are x16,, x>-18or x

    asked by Molly
  217. Language Arts ~CHECK MY ANSWERS~

    Which verb correctly completes the below sentence? The collection written by several of my favorite authors _____ research in the rain forest. Discuss

    asked by Destiny
  218. statistics

    A population is normally distributed with mean 30, population SD =10, Sample size 25. What are the mean and variance of the distribution of means, respectively?

    asked by Keith
  219. business

    Growth potential and opportunity for a small cleaning service business

    asked by adrianna
  220. math

    The unit rate of 7/12 liters in 3/10 kilometers

    asked by april
  221. Chemistry

    Aerosol cans contain com- pressed gases that, when released, help propel the contents out of the can. Why is it important to keep aerosol cans from overheating?

    asked by Hannah
  222. chemistry

    What is the percent yield of NaCl if 31.0 g of CuCl2 reacts with excess NaNO3 to produce 21.2 g of NaCl?

    asked by miranda
  223. science

    Why the moon looks different at different times?

    asked by Anonymous
  224. Algebra 1 (Reiny)

    A computer modem can transmit 1.5 x 10^6 bytes per second. How many bytes can it transmit in 300 seconds? Write your answer in scientific notation.

    asked by Anonymous
  225. Math

    Find the largest pair of consecutive even integers whose sum is less than 85.

    asked by The doctor
  226. Language Arts-check answer-

    The article is at the bottom for this question: Skim the article “Cruise Control” to find the name of the bumper sticker service found in Arlington, Texas. a) 1-866-2TELLMOM b) 800-4-MYTEEN ******** c) Big Mother d) Dad’s Eyes Anne Rekerdres likes to

    asked by Destiny
  227. Geometry

    Determine the volume of the three-dimensional figure. When appropriate, round your answer to the nearest hundredth. 13ft 15ft 9ft

    asked by Boo
  228. Geometry

    Right triangle ABC has one leg of length 12 in and a hypotenuse of length 13 inch. A) Determine the length of the other leg B) Determine the perimeter of the triangle. C)Determine the area of the triangle. Must show work as well as answers for each of the

    asked by Boo
  229. Geometry

    Find the length of the side A’B’ for the congruent triangle. C = 28 degrees A = 14 Must show work with answer.

    asked by Boo
  230. physics

    Two spheres are launched horizontally from a 0.8 m high table. Sphere A is launched with an initial speed of 16 m/s. Sphere B is launched with an initial speed of 8 m/s.

    asked by Anonymous
  231. Language Arts ~CHECK MY ANSWERS~

    Read the following passage to answer #1 and #2. April 15, Miss Kinnian says I'm learning fast. She read some of the Progress Reports and she looked at me kind of funny. She says I'm a fine person and I'll show them all. I asked her why. She said never mind

    asked by Abby
  232. ecology

    If you observe no changes in gene frequencies in a population over several generations, can you conclude that the population is not subject to natural selection?

    asked by Bob
  233. Grammar

    Choose the right form of the verb for the sentence below: At the end of the some passages ___________ trapdoors into the dungeons. a.) are ******* b) is

    asked by Sabrina
  234. Intermediate Algebra

    (Thank you for all your help on this site) A basketball team recently scored a total of 95 points on a combination of 2-point field goals, 3-point field goals, and 1-point foul shots. Altogether, the team made 54 baskets and 16 more 2-pointers than foul

    asked by Student
  235. phisecs

    In a period of 3 h, a man walks 13 km north, turns around and walks 5 km south. Find his average velocity in km/h? Please pay attention to sign. (-) means the average velocity is to the south, (+) means the average velocity is to the North.

    asked by w
  236. Algebra

    Discuss the steps necessary to carry out each activity. Describe briefly what each line looks like in relation to the original given line. Answer these two questions briefly in your own words: What does it mean for one line to be parallel to another? What

    asked by Patrice Mason
  237. statistics

    Simple question I may be over thinking 30. Gift Baskets: The Gift Basket Sore had the following premade gift baskets containing the following combinations in stock. cookies mugs candy -------------------------------------- coffee 20 13 10 tea 12 10 12

    asked by Anonymous
  238. math

    Each video game at an arcade requires 375 tokens.Tom has 2,000 tokens.He said he can play 6 games.Is he correct.

    asked by brady
  239. precal

    find the domain and inverse for (f)= 2 + 1/(e^(x/3-5)

    asked by hamal