1. physics

    0.10- baseball moves toward home plate with a velocity = (-31 ). After striking the bat, the ball moves vertically upward with a velocity = (21 ). Find the direction of the impulse delivered to the ball by the bat. Assume that the ball and bat are in

    asked by john on July 11, 2010
  2. Statistics

    A certain type of lightbulb is advertised to have an average lifetime of 1,000 hours. Assume the lifetimes of these lightbulbs are approximately normally distributed with a standard deviation of 250 hours. A) Find the percentage of lightbulbs that will

    asked by Kerry on May 20, 2016
  3. english

    Fix the underlined part in the sentence. This was an important question to Americans in the eighteen century. When they were ruled by Great Britain, and it is an important question today when countries find themselves controlled by more powerful outsiders.

    asked by Please check answers on February 15, 2018
  4. Chemistry

    Let's do 1 and 2 and go from there. I will get you started. Take a 100 g sample. That means we have 19.9% C = 19.9 g C 46.7% N = 46.7 g N 6.67% H = 6.67 g H 26.7% O = 26.7 g O Find mols of these amounts. mols C = 19.9/12 = 1.66 mols N = 46.7/14 = 3.33 mols

    asked by DrBob222 on February 3, 2007
  5. Algebra Word Problem Help

    A gardener has 40 feet of fencing with which to enclose a garden adjacent to a long existing wall. The gardener will use the wall for one side and the available fencing for the remaining three sides. If the sides perpendicular to the wall have length x

    asked by Jeanna on August 6, 2009
  6. Algebra Word Problem Help

    A gardener has 40 feet of fencing with which to enclose a garden adjacent to a long existing wall. The gardener will use the wall for one side and the available fencing for the remaining three sides. If the sides perpendicular to the wall have length x

    asked by Jeanna on August 7, 2009
  7. Physics

    An electron enters the region with u=3*10 6 m/s and E=200N/C. The horizontal length of the plate is 0.1m. Find a. The wavelength of the electron while it is in the electric field b. If the electron enters the field at time,t=0.find the time at which it

    asked by Baruck on July 12, 2018
  8. Math 117

    3. In 2002, Home Depot’s sales amounted to $58,200,000,000. In 2006, its sales were $90,800,000,000. a. Write Home Depot’s 2002 sales and 2006 sales in scientific notation. You can find the percent of growth in Home Depot’s sales from 2002 to 2006 by

    asked by Goldi on January 7, 2012
  9. Algebra

    3. In 2002, Home Depot’s sales amounted to $58,200,000,000. In 2006, its sales were $90,800,000,000. a. Write Home Depot’s 2002 sales and 2006 sales in scientific notation. You can find the percent of growth in Home Depot’s sales from 2002 to 2006 by

    asked by Devon on July 4, 2010
  10. Geometry

    Infinitely many different sectors can be cut from a circular piece of paper with a 12-cm radius, and any such sector can be fashioned into a paper cone with a 12-cm slant height. (a) Show that the volume of the cone produced by the 180-degree sector is

    asked by Sarah on April 17, 2010
  11. geometry

    11. Infinitely many different sectors can be cut from a circular piece of paper with a 12-cm radius, and any such sector can be fashioned into a paper cone with a 12-cm slant height. (a) Show that the volume of the cone produced by the 180-degree sector is

    asked by Sarah on April 15, 2010
  12. linear algebra

    which of the following sets of vectors span R^3? a.){(1, -1, 2), (0, 1, 1)} b.) {1, 2, -1), (6, ,3, 0), (4, -1, 2), (2, -5, 4)} c.) {(2, 2, 3), (-1, -2, 1), (0, 1, 0)} d.) {(1, 0, 0), (0, 1, 0), (0, 0, 1), (1, 1, 1)} can someone show the steps to check for

    asked by chris on July 19, 2007
  13. Calculus

    Please check my answers (and give correct ones) I tend to make dumb mistakes so I'm trying to work on that (sorry in advance) and my teacher never gives us the answer sheet so I have a hard time knowing what to study TT 1. The velocity of a runner is given

    asked by Mary on May 18, 2019
  14. Orgo Lab

    Recrystallization is often used at the end of a synthesis. Choose the most accurate answer/s to explain the purpose of recrystallization and how it is done effectively? Note there may be more than one correct answer. 1.Dissolve the crude product in the

    asked by Anonymous on October 19, 2014
  15. machanics

    can u tell me what formula i should be using to answer this question? If a stone falls past a bird on a ledge moving at 4 m/s, how fast will the stone be movingjust before it hits the ground below 9 seconds later? A. 92.2 m/s B. 48.2 m/s C. 352.8 m/s D. 36

    asked by me on May 2, 2010
  16. math

    the base of the pyramid of Khufu is a square with side 230m long. calculate the length of the diagonal of this square. too the nearest tenth of a meter. please Explain your answer...

    asked by mota on March 15, 2008
  17. calc 1

    lim x---> 2 4x+1/3x-4 illustrate definition 2 by finding values of delta that correspond to epsilon=0.5 and epsilon= 0.1 I having trouble setting this up. do i set up two different functions then divide? 0.2898 that's the answer i got....

    asked by feather on February 2, 2016
  18. Physics

    A superball with a mass of 71.2 g is dropped from a height of 2.5 m. It rebounds to a height of 2 m. What is the change in its linear momen- tum during the collision with the floor? The acceleration of gravity is 9.8 m/s2 . Answer in units of kg · m/s

    asked by Tod on March 5, 2014
  19. machanics\

    can u tell me what formula i should be using to answer this question? If a stone falls past a bird on a ledge moving at 4 m/s, how fast will the stone be movingjust before it hits the ground below 9 seconds later? A. 92.2 m/s B. 48.2 m/s C. 352.8 m/s D. 36

    asked by me on May 3, 2010
  20. chemistry

    provide the appropriate IUPAC name for the following alcohol. designate e or z 8 carbon chain double bonds between 4 and 5 and 6 and 7 methyl group on 6 OH on the second carbon [the only hint i got from this homework is to begin my answer with

    asked by michelle on March 25, 2013
  21. physics

    A linear charge of nonuniform density (x) = 5.2 x C/m, is distributed along the x-axis from 4.9 m to 6 m. Determine the electric potential (relative to zero at infinity) of the point y = 8.6 m on the positive y-axis. Answer in units of V

    asked by physics on September 24, 2011
  22. Math

    Human body temperatures have a mean of 98.20degrees°F and a standard deviation of 0.62degrees°F. ​Sally's temperature can be described by zequals=minus−1.5. What is her​ temperature? Round your answer to the nearest hundredth.

    asked by Promise on October 24, 2017
  23. us history

    I have to do an essay on how abortion has positively or negatively affected american politics over the past 50 years? Im having a hard time answering the question could you answer it for me, so that I could get a little insight on how i should go about

    asked by Adie Evans on November 14, 2010
  24. physics

    Determine the vertical component of a baseball's velocity if the ball is thrown at 28 m/sec at an angle of 37 degrees with the horizontal. The answer is 21.2 m/sec but I have no clue on how to solve this problem.

    asked by confused on June 11, 2011
  25. math(please help)

    mr.wilson charges 215 dollars a month to board horses. if he boards a total of 25 horses,how much money will he earn? please show your work. my answer is 5,375 am i right if not please tell me why and how.

    asked by lidia on August 26, 2012
  26. Social Studies

    Answer the following about the great wall of china: a.When, where, and why did it develop? b.How was it used or practiced? c. Whom did it affect? d.What was the lasting impact this innovation had on China and its people? e.What are some modern examples of

    asked by Rose on February 9, 2016
  27. calculus 2

    Use Euler's method with a step size of 0.2 to estimate y(1), where y(x) is the solution of the initial value problem y' = 6x+y^2, y(0)=0. Round your final answer to 4 places, but keep more places on the intermediate steps for accuracy.

    asked by TayB on April 11, 2016
  28. social studies

    what kind of government did followers of ayatollah Ruhollah khomeimi want? A. one that preserved greek culture B. one that followed rumi's ideas C. one that preserved the straps D. one that followed islamic law my answer D

    asked by it would mean a lot to help on March 5, 2019
  29. chemistry

    Which of the answer choices correctly describes a graph that illustrates how a part or fraction relates to the whole? histograms bar graphs circle graphs scatter plots is it c?

    asked by malia on September 21, 2017
  30. 5th grade Math

    When finding the mass of an object, you determine which of the following? a. quantity of matter in the object b. its weight c. its height d. its length I picked A, but it was marked wrong. So, I guess the more correct answer is B?

    asked by Jared on March 6, 2018
  31. Chemistry

    Predict the standard emf of each of the following galvanic cells. (a) Sn(s)|Sn2+(aq)||Sn4+(aq),Sn2+(aq)|Pt(s) (b) Pt(s)|Fe3+(aq),Fe2+(aq)||Ag+(aq)|Ag(s) I don't want the answer, I want the procedure/methods of how to do these types of problems.

    asked by Sara on June 21, 2013
  32. Math

    John was visiting three cities that lie on a coordinate grid at (-4, 5), (4, 5), and (-3, -4). If he visited all the cities and ended up where he started, what is the distance he traveled? Round your answer to the nearest tenth. (like 3.2 or 5.7)

    asked by Anonymous on January 4, 2015
  33. math

    Compare your estimates for the percentage of male university students from part A and part B. Which estimate do you think is more representative of the population? Use complete sentences in your answer and explain your reasoning.

    asked by Layla on May 11, 2019
  34. Economics

    The purpose of advertising & other forms of non-price competition by a firm is to shift the Demand curve to the A)Right B)Left & A)Make it more elastic B)Make it more inelastic What is the reason behind the answer?

    asked by Morgan on October 30, 2013
  35. math

    A certain medicine requires 10 mg per 10 kg of weight. How much medicine is required for a patient that weighs 273 pounds? Round answer to the nearest 10th. Use Unit Abbreviations for Units.

    asked by chas on February 9, 2017
  36. Biology

    A dichotomous key is used to ___________. ? A. identify dicots, only B. identify organisms C. gain entry to homes by burglars D. determine the meaning of life ' my best answer is D is that correct

    asked by Cassandra on May 4, 2017
  37. Math

    There are 6 red, 9 blue, and 5 green marbles in a bag. Samantha reaches into the bag and chooses one marble. Which color has a 1/4 chance of being chosen? Explain how you know your answer is correct.

    asked by Maryjean on April 20, 2016
  38. Ecosystems

    how weathering releases phospahte from rock? i really don't know, any sites i could go on to to get the answer? no wikipedia, or hard ones. english aint my language so hard words i wont be able to understand.

    asked by Sherrie on July 5, 2010
  39. algebra ll

    i answersd this question and i got it wrong i don't know why if you can answer it and show the work so ican understand thank you. evaluate h(negative2/3) if h(X)eqauls [[x minus 2. my answers is (negative 2/3)minus 2)

    asked by Anonymous on October 6, 2008
  40. phyisc

    Write and balance the reaction for the complete combustion of methanol, CH3OH. (Type your answer using the format CO2 for CO2. Use the lowest possible coefficients.) 1CH3OH + 2 3 ¨ 4 5 + 6H2O

    asked by Ashley on October 16, 2010
  41. lorentz contraction

    I've tried for hours to solve for v, but can't get the rearranging right. I'm using L= Lo sqrt 1- v^2/c^2 Can anyone suggest the first couple of steps? I can get the answer by the way, by substituting values 'til I get the contracted length. Original and

    asked by charlie on March 27, 2009
  42. algebra ll

    i answersd this question and i got it wrong i don't know why if you can answer it and show the work so ican understand thank you. evaluate h(negative2/3) if h(X)eqauls [[x minus 2. my answers is (negative 2/3)minus 2)

    asked by Anonymous on October 7, 2008
  43. chemistry

    Write electron configurations for the following ions, and determine which have noble-gas configurations. (Type your answer using the format [Ar] 4s2 3d10 4p2 for [Ar]4s23d104p2.) Ru2+ thanks

    asked by rebekah on January 20, 2011
  44. business

    Which one of the following questions would be inappropriate to ask during an interview? A. Do you have children of your own B. What do you like best about teaching young children C. What is one science activity that would be appropriate for four-year-olds?

    asked by Cynthia on January 13, 2009
  45. social studies

    what kind of government did followers of ayatollah Ruhollah khomeimi want? A. one that preserved greek culture B. one that followed rumi's ideas C. one that preserved the straps D. one that followed islamic law my answer B

    asked by it would mean a lot to help on March 5, 2019
  46. Physics

    A(n) 0.187 kg baseball is thrown with a speed of 29 m/s. It is hit straight back at the pitcher with a final speed of 22.3 m/s. What is the magnitude of the impulse delivered to the ball? Answer in units of kg · m/s

    asked by Sarah on April 23, 2012
  47. chemistry

    This has to do with law of conservation of mass I believe but it stumps me. 50g or iron reacts with 21g of oxygen to form how many gram of iron oxide? Is the answer 71g or 29g

    asked by ben on September 3, 2011
  48. College Mathematics. 3

    (3t+1)/5=(t+7)/10+(t-5)/10 I solved this question through the linear equation simplification timing both sides by the least common denominator. 5 Once I did the the result was > 3t+1= 2t+14+2t-10 T= 3 However the real answer is t=0 Where am I going wrong?

    asked by HM on September 29, 2011
  49. Earth's Dynamic Atmosphere

    In global circulation, _______ move toward the equator and are deflected by the Coriolis effect. A. westerlies B. trade winds C. polar easterlies D. subtropic winds my answer is b.

    asked by Prisila on December 26, 2017
  50. College Psych

    All of the following fall into the category of anxiety disorders EXCEPT a) Posttraumatic stress disorder b) Hypochondriasis c) Obessive-compulsive disorder d) Specific phobie e) Panic Disoder I believe the answer is B

    asked by Michele on December 10, 2008
  51. calculus

    Suppose that the radius r of a right circular cone of fixed height h = 20 cm is increasing at a rate 4 cm/s. How fast is the volume increasing when r = 10? Give your answer correct to two decimal places.

    asked by John on October 11, 2010
  52. chemistry

    Calculate the molarity (M) of Na+ in a solution prepared by adding 1.00 L of 0.800 M NaHC2O4 and 250 mL of 0.300 M NaHC2O4 . Assume volumes are additive. the answer is 0.700 but im not sure how to go about solving it please help thanks

    asked by BOB on September 29, 2011
  53. Scientific notation. PLZ HELP!

    Express in scientific notation. Choose the answer with the proper number of significant figures. (3 x 104) (4 x 1023) = _____ 1227 12 x 1027 10 x 1027 1 x 1028

    asked by isaac clarke on October 17, 2014
  54. business grade 10

    what are some ways to to change hositals from ineffiecient public bureaucrcies to a customer focused? you know in like government hospital right does it take long to wait to see the doctars than a hospital you pay for? is that like a possible answer

    asked by sameul to MS.SUE on September 28, 2009
  55. math

    Hello! My name is Robert and I am in 6th grade. I have a question about my homework and my mom and dad cant help u because they are still at work and i need help.Can you please tell me what a division problem that has the same answer as 4.65 divided by

    asked by Robert on October 13, 2010
  56. algebra 1

    What is the speed, in miles per hour, of a toy car that runs 40 feet in 8 seconds? Round your answer to the nearest whole number. (1 hour = 3600; 1 mile = 5280 ft)

    asked by terri on April 5, 2013
  57. AP CHEM

    A secondary alcohol results from the attachment of a hydroxy group to which carbon atom? C |

    asked by Anonymous on April 5, 2013
  58. Math 141

    A pair of fair 6-sided dice is rolled. What is the probability that a 3 is rolled if it is known that the sum of the numbers landing uppermost is less than or equal to 7? (Enter your answer as an exact fraction.)

    asked by Naomi on November 5, 2015
  59. Chemistry

    Answer the questions about the following reaction. 4Al(s) + 3O2(g) 2Al2O3 (s) How many molecules of O2 are used in the reaction? How many oxygen atoms are required? How many moles of Al2O3 are formed? What is the mole ratio of Al to O2?

    asked by Raven-Sierra on November 30, 2016
  60. math

    The question ask: Shonda owns a business that transfers photos to CD-ROMs. She charges his customers $24.95 for each CD-ROM. Which of these equations could be used to claculate her profit ''p'' for creating ''n'' CD-ROMs? answer and how did you get it?

    asked by pralowe on October 12, 2010
  61. Ela

    In Romeo and Juliet, what kind of relationship does Lord Capulet Have with Juliet? Is the answer It is a weak one, there is no sign of affection or love between them, I think they stay together because at the time, divorce was very uncommon

    asked by ADAM on December 12, 2011
  62. Calculas

    Suppose that the radius r of a right circular cone of fixed height h = 30 cm is increasing at a rate 10 cm/s. How fast is the volume increasing when r = 15? Give your answer correct to two decimal places.

    asked by Jp on October 12, 2010
  63. Physics

    Is true or false- a lamp functioning at peak voltage (AC) will glow with the same brightness when connected to a battery of the same voltage (DC)? PLZ DNT 4GT 2 XPLAIN DA ANSWER

    asked by Georgina on October 10, 2010
  64. Math

    if the hands on a round clock moved counter clockwise, to what number would the minute hand point 20 minutes before the hour hand pointed to 3? a. 4 b. 7 c. 8 d. 11 is 8 the correct answer?

    asked by sabrina on August 7, 2018
  65. physics

    if a motorboat travels at 25km/hr down a river whose velocity is 4km/hr wgat is the boats actual velocity? a. 21km/hr b. 29km/hr c. 100km/hr d. 6.2km/hr please repost the answer

    asked by michelle on March 18, 2008
  66. English

    Please check my answer tahnks :) Choose the plural noun that is spelled correctly. Phenomenons pianoes Father-in-laws Editors in cheif I picked Phenomenons

    asked by Anonymous on November 11, 2007
  67. Math

    Please double check Jean deposited a check for $625, wrote two for $68.74 and $29.95 and used her debit card to pay for a purchase of $57.65. How has her account balance changed? Answer: $468.66

    asked by Kim on March 18, 2008
  68. math

    You and a friend go biking. You bike 12 miles north and 2 miles east. What is the straight-line distance from your starting point? Round answer to the nearest hundredths

    asked by Anonymous on March 30, 2013
  69. calculus 1

    lim x---> 2 4x+1/3x-4 illustrate definition 2 by finding values of delta that correspond to epsilon=0.5 and epsilon= 0.1 I having trouble setting this up. do i set up two different functions then divide? 0.2898 that's the answer i got....

    asked by feather on February 3, 2016
  70. ethics

    Traits of character that dispose a person to act in a moral fashion are typically referred to as: Answer Vices. Character tendencies. Dispositional values. Virtues.

    asked by kim on September 1, 2014
  71. physics

    A certain car is capable of accelerating at a uniform rate of .94m/s^2. What is the magnitude of the car's displacement as it accelerates uniformly from a speed of 87km/h to one of 97km/h? Answer in units of m.

    asked by Rachel on September 24, 2011
  72. History

    Which of the following is not something that Spanish missionaries wanted to change about American Indians? A.their food crops(MY ANSWER) B.the practice of men having more than one wife C.the practice of revenge D.some of their dances and celebrations

    asked by HELP MEEEEE on September 5, 2014
  73. Economics help please!!!

    In a specific industry, two dominant firms work together to set prices. We call this A. competition. B. collusion. C. market dominance. D. market influence. Answer this Question

    asked by Heather on May 22, 2014
  74. Chemistry

    When 0.016 moles of lead(II) nitrate are dissolved in enough water to make 748 mililiters of solution, what is the molar concentration of nitrate ions? Answer in units of M.

    asked by Mike on October 11, 2010
  75. mathematics concepts

    Joseph is making different shapes with a rubber band and a geoboard. Which of the following would be a geometric concept that Joseph is informally exploring? A. Estimation B. Patterns C. Volume D. Probability my answer is b.

    asked by Brittney on February 21, 2015
  76. science

    your weight is 600 newtons and you have just finished building a raft which weighs 1000 newtons. what is the smallest upthrust force needed so that it will float with just you on it ? (please answer really quick )

    asked by poppy on November 6, 2011
  77. math

    16. If you work 37.5 hours per week at $10.65 per hour, how much is your gross pay for a two-week period? (Round off your answer to the nearest cent.) A. $399.38 B. $788.10 C. $239.26 D. $798.75 i think its c

    asked by ralph on May 23, 2014
  78. identify tenses

    1. Zach might be getting a good portable system next month. a. past tense with a modal b. present continuous with a modal c. future perfect in the passive voice answer a

    asked by Jim Collum on June 12, 2013
  79. Dogs Hunting Training

    Please check my answer thank you :) True or False AKC Retriever field Derby stakes sre open to Retrievers younger than two years of age I said True

    asked by Mallie on January 10, 2009
  80. algebra 2

    You invest $100,000 in an account with an annual interest rate of 4.5%, compounded semiannually. How much money is in the account after 10 years? Round your answer to the nearest whole number.

    asked by Anonymous on July 14, 2011
  81. physics

    A(n) 0.163 kg baseball is thrown with a speed of 9.37 m/s. It is hit straight back at the pitcher with a final speed of 16.7 m/s. What is the magnitude of the impulse de- livered to the ball? Answer in units of kg · m/s.

    asked by Maria on February 27, 2011
  82. counting and probability

    A fair, six-sided die is rolled eight times, to form an eight-digit number. What is the probability that the resulting number is a multiple of 8? Express your answer as a common fraction.

    asked by zamanofdoom on November 15, 2012
  83. Physics

    An electron in an electron beam experiences a downward force of 2.0 x 10^-14 N while traveling in a magnetic field of 8.8 x 10 ^-2 T west. The charge on a proton is 1.60×10^−19. a) What is the magnitude of the velocity? Answer in units of m/s

    asked by Alisha on October 16, 2014
  84. Geometry

    1.which resource provides instruction and practice related to the content in the online textbook? A. search feature B. PowerGeometry*** C. Reflection assignment D. answer key for practice exercises

    asked by GummyBears18 on August 11, 2016
  85. Maths

    645.7 litre of water are poured into 8 empty tanks. What is the average amount of water in each tank? Give your answer in litres, correct to 1 decimal place.

    asked by Leonardo on August 20, 2014
  86. Algebra

    Using the formula h=-16^2+vt+s Answer the question: A rocket is shot upward off a 25 foot high balcony with an initial velocity of 96 feet per second. How many seconds will it take until the rocket hits the ground?

    asked by Brett on May 16, 2014
  87. TO MS.SUE... SCIENCE

    who discovered the element gold and when? Ive tried looking it up but a lot of answers are: Known to the Ancients and they give an unknown date of when it was found. Is this correct since im pretty sure gold is very very old. what is your answer?

    asked by SPIKE on December 19, 2012
  88. science

    The following forces act on a body:F1=5,3Nupwards.F2=2,2N upwards and F3=10,7 N downwards.Determine the resultant of the three forces using a sketch of head to tail vector diagram and check your answer with equation :FR=F1+F2+F3

    asked by jimmy on February 8, 2016
  89. physics

    A driver in a car traveling at a speed of 66 km/h sees a cat 118 m away on the road. How long will it take for the car to accelerate uniformly to a stop in exactly 114 m? Answer in units of s

    asked by gabbie on September 25, 2012
  90. Physics

    if an acrobat who weighs 800 N is clinging to a vertical pol using only his hands, neither moving up nor down can we determine the coefficient of static friction between his hands and the pole? Explain your answer.

    asked by Tia on October 22, 2013
  91. history

    John F. Kennedy replaced Eisenhower's concept of massive retaliation with a _______ response strategy. A. massive B. focused C. flexible [D. limited] is my answer correct

    asked by jake on December 12, 2011
  92. pre-cal

    The sq root of -4 (3-sq root of -9) a)6 +6i b)-6+6i c)6-6i d)-6-6i Again the i's are in italics. I would think that c and d could be eliminated because the answer is suppose to be in the form a + bi but they could be trting to trick you. I'm not quite sure

    asked by raven 31791 on March 7, 2007
  93. math

    how do I solve this problem 2x/2=(6-3y)/2? 2x/2=(6-3y)/2? I solved it for you in my initial answer. The 2 in the numerator cancels with the 2 in the denominator on th left side and x = (6-3y)/2 which is the solution of the initial equation you had for x in

    asked by cheryl on March 17, 2007
  94. physics

    light travels at a constant speed of 3x10^11 cm /sec how long does it take light to reach the earth a distance of 1.5x10^8 km give your answer in seconds and minutes.

    asked by Helppppp on October 17, 2011
  95. Grammar

    No recent travel, no ill contacts, no spoiled foods, no dysuria in the last three months. fragment run-on comma splice complete sentence Answer: fragment (who or what)

    asked by Leslie on May 9, 2011
  96. Math

    Solve each equation write answer on simplest form 1/4x = 6 2t = 4/7 Can you show me how to do didn't understand on class. Working on solving fraction equation. Multiply and divide

    asked by Chance on January 23, 2012
  97. mathematics concepts

    Joseph is making different shapes with a rubber band and a geoboard. Which of the following would be a geometric concept that Joseph is informally exploring? A. Estimation B. Patterns C. Volume D. Probability my answer is b.

    asked by lauren on February 24, 2015
  98. PHYSICS - Waves

    Can someone tell me how to get the answer to this question? Just a formula would be great. It's on my physics study guide for my unit test. If 3 sound waves pass a microphone in 4.0 s while traveling 5.0 m/s, what is the wavelength of the waves? (6.67 m)

    asked by Diana on April 9, 2013
  99. algebra

    State whether the growth (or decay) is linear or exponential, and answer the associated question. The population of Jamestown is increasing at a rate of 2.5% each year. If the population is 25,000 today, what will it be in 2 years?

    asked by Cheryl on February 1, 2016
  100. Math Reiny question

    This is the problem you helped me with. I was curious, do I write the solution set as (1 + i3ã3)/2, (1-i3ã3)/2 change it to the standard form first x^2 - x + 7 = 0 a=1, b=-1, c = 7 x = (1 } ã(1 - 4(1)(7))/2 = (1 } ã-27)/2 Your answer is an

    asked by Sabrina on September 24, 2010

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  1250. 1250
  1251. 1251
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  1253. 1253
  1254. 1254
  1255. 1255
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  1332. 1332
  1333. 1333
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  1335. 1335
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  1363. 1363
  1364. 1364
  1365. 1365
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  1371. 1371
  1372. 1372
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