Popular questions and responses by Mae
  1. Math

    The ratio of the width to the length of a rectangle is 1:3. Which of the following ratios represents a rectangle with…… a)5:7 b) 6:9 c) 33:100 d) 21:63

    asked on January 10, 2018
  2. Statistics

    a manufacturing machine has a 8% defect rate. if 5 items are chosen at random, what is the probability that at least one will have a defect

    asked on June 11, 2017
  3. Statistics

    if a seed is planted, it has a 70% chance of growing into a healthy plant.if 6 seeds are planted, what is the probability that exactly 1 doesn't grow?

    asked on June 11, 2017
  4. Algebra

    Katie invested a total of $7,000, part at 2% simple interest, and part at 3% simple interest. At the end of 1 year, the investments earned, $184.00 interest. How much was invested at each rate?

    asked on February 12, 2017
  5. Physics

    A student initially at rest on a frictionless frozen pond throws a 1 kg hammer in one direction. After the throw the hammer moves off in one direction while the student moves off in the other direction. Which of the following correctly describes the above

    asked on November 14, 2011
  6. science

    parasitic worm infestation is hypothesized to be damaging to the host. However scientists have recently discovered that worm infestation of certain autoimmune disorders. in which of the following ways should the hypothesized to be modified , given the new

    asked on November 23, 2016
  7. PSYCH

    In a study of the development of noun usage, an investigator is interested in the relationship of the number of nouns in a child's vocabulary to the number of adults in the household. This type of project is: A. correlational in nature. B. experimental in

    asked on June 19, 2015
  8. Algebra

    Translate this phrase into algebraic expression--Three more than the product of 24 and Mabel's height with m to represent Mabels height

    asked on March 24, 2015
  9. Math- Check over please

    A ball is dropped from a height of 3m and bounces on the ground. At the top of each bounce, the ball reaches 60% of it's previous height. Calculate the total distance travelled by the ball when it hits the ground the fifth time. Could you please check over

    asked on January 5, 2009

    The words over and done may be combined to form a compound word. What is the proper way to create this compound word? A. Overdone B. Doneover C. done-over D. over-done

    asked on January 2, 2018
  11. math help

    Could someone tell me how to find the inverse of g(x)= x^2-5x-6

    asked on January 25, 2009
  12. PSYCH

    One feature of taste aversion learning that is NOT found in any other type of learning is: A. learning with delays of several hours. B. very slow extinction. C. Both a and b D. Neither a nor b MY ANSWER IS D. IS THAT RIGHT?

    asked on July 16, 2015
  13. chemistry

    How many moles of methane occupy a volume of 2.00 L at 50.0 degrees C and 0.500 atm? What formula do I use and how do I get it to moles??

    asked on December 13, 2009
  14. Trigo

    Jill walks 10 miles at 40 degrees south of west. How far west of her starting point does she end up?

    asked on January 13, 2018
  15. Math

    5/8 + 1 7/9 +3. Simplify the expression A) 4 29/72 B) 4 12/17 C) 5 7/18 D) 5 29/72

    asked on January 12, 2018
  16. Math

    a bus travels 240 kilometers at 60 kph and then returns at 40 kph.. what is the average speed in kilometers per hour for the round trip?

    asked on August 13, 2013
  17. Math-Gr.11 urgent

    The 10th term of an arithmetic series is 34, and the sum of the first 20 terms is 710. Determine the 25th term. Can someone please explain how to do this? I don't know which formula to use. TIA

    asked on January 4, 2009
  18. t test

    A researcher theorized that people can hear better when they have just eaten a large meal. Six individuals were randomly assigned to eat either a large meal or a small meal. After eating the meal, their hearing was tested. The hearing ability scores (high

    asked on December 17, 2010
  19. Chemistry

    An solution of antifreeze is prepared by mixing 23.0mL of ethylene glycol (d = 1.11 g/mL;molar mass = 62.07 g/mol) with 50.0 mL H2O (d = 1.00 g/mL) at 25°C. If the density of the antifreeze solution is 1.07 g/mL, what is its molaritY?

    asked on September 28, 2017
  20. PSYCH

    Doyen & colleagues (2012) found that __________ effects were the reason that participants changed their walking speed. A. experimenter B. subject C. both subject and experimenter D. neither subject nor experimenter MY ANSWER IS C

    asked on June 19, 2015
  21. PSYCH

    Milfont (2009) found that desirable responding did not impact the self-reporting of environmental attitudes and behavior. What methodological issues might decrease the credibility of this claim? A. Ecological behavior was self-reported instead of measuring

    asked on June 19, 2015
  22. chemistry

    Find the a)partial pressure of ethylene oxide and b)the total gas pressure, after 30 hours in a reaction vessel at 415C if the initial pressure of ethylene oxide is 782mmHg. k= 2.05x 10^-4 t(1/2)=56.3 Part A) I converted hours to seconds, and used the

    asked on April 17, 2014
  23. physics

    If the rotational speed of a platform is doubled, how does the linear speed anywhere on the platform change?

    asked on December 8, 2011
  24. Math - gr.11

    A tunnel with a parabolic arch is 12m wide. If the height of the arch 4m from the left is 6m, can a truck that is 5m tall and 3.5m wide pass through the tunnel? Can someone please help me with this? and could you show me steps how you got the answer, i

    asked on October 27, 2008
  25. Economics

    All of the following are regulatory commissions dealing with industrial regulation (as distinct from social regulation) except the: A. Food and Drug Administration. B. Federal Energy Regulatory Commission. C. Federal Communications Commission. D. 50 state

    asked on June 6, 2008
  26. math

    A pyramid V-ABCD is cut from a cube of edge 12 in.,as shown in the figure. The vertex V is the midpoint of an upper edge of the cube. Compute the lateral surface of the pyramid.

    asked on September 1, 2017
  27. Statistics

    in a population where 45%of voters prefer candidate A. an organization conducts a poll of 5 voters.Find the probability that 2 of the 5 voters will prefer Candidate.

    asked on June 11, 2017
  28. Chemistry

    a) If you have 5 dinitrogen monoxide molecules, how many nitrogen atoms do you have? b) If I had 5 moles of dinitrogen monoxide molecules, how many individual nitrogen atoms would I have? I think the answer for A is 6 nitrogen atoms. but I have no idea on

    asked on March 22, 2016
  29. english

    writing punctuation: The personnel director Ms Smith hired three new typists two case managers A) The personnel director, Ms. Smith, hired three typists and two case managers. B) The personnel director, Ms. Smith, hired three typists, and two case

    asked on October 29, 2015
  30. PSYCH

    In which theory is it of utmost importance that an infant develops a relationship with at least one primary caregiver for both social and emotional development to happen properly? A. Attachment theory B. Culture C. Persistence model D. Erikson’s Stages

    asked on June 29, 2015
  31. Algebra

    Write 9.79 x 10^5 in standard notation.

    asked on May 25, 2015
  32. Algebra

    Write 0.000000474 in scientific notation.

    asked on May 25, 2015
  33. Algebra

    Find the GCF of 14abc and 28a^2 b^2 c^3 How do I answer this??

    asked on May 25, 2015
  34. Algebra

    You have two types of bread, three types of meat, and four types of cheese. How many different sandwiches can you make if each sandwich has one type of bread, one type of meat, and one type of cheese? 9 sandwiches *My answer* 16 sandwiches 24 sandwiches 27

    asked on May 25, 2015
  35. Spanish!

    Please help me translate the following in Spanish!: 1. I speak to you. 2. She gives her mom a gift. And 3. The doctor gives you a prescription.

    asked on April 22, 2015
  36. math 8th!

    point A (-2,3) lies on a line with a slope of 2. Describe how to find two points on the line on either side of A.

    asked on April 16, 2015
  37. Math algebra

    You plan a party and spend $26 on decorations. Each of the tables will have 8 party favors and 8 individual flowers. The flowers cost $2.50 each. Which equation can you use to find the cost of each party favor? *please make an equation*

    asked on June 2, 2014
  38. math

    what is the answer to this problem _3 125x6y3

    asked on October 24, 2013
  39. significant figures- chemistry

    I'm having trouble understanding significant figures. If a problem is requires two equations to finish, which of the original measurements do I use to figure out the significant figure? For ex. 3.001+4.32= 7.321. Then I use this answer for a different

    asked on September 13, 2013
  40. Math

    I really need help with this question please Break-even equation. Fill in the blank. The following table contains selected data concerning several outpatient clinics in the new Ambulatory Care Center at Hope University Hospital. Fill in the missing

    asked on August 14, 2013
  41. chemistry

    What property of metals makes them good conductors of electricity?

    asked on December 19, 2011
  42. trigonometry

    a kite has 120 m of string attached to it when it flies at an elevation of 5 degrees. How far is it above the hand holding it? ( assume that the string is taut)

    asked on August 7, 2011
  43. chemistry

    using the balanced equation for the fermentation reaction, calculate for the theoretical amount of alcohol to be produced using 10 grams of sucrose. 0.79 g/ml is ethanol's density.

    asked on January 6, 2011
  44. t test

    What is the power of each of the following studies, using a t test for dependent means (based on the .05 significance level

    asked on December 17, 2010
  45. Derivatives- Math

    Can someone explain how to find the derivative of : 1. y= 5^ãx / x And the second derivative of: y= xe^10x For this question I got up to the first derivative and got this y = e^10x + 10xe^10x but I can't seem to get the correct answer for the second

    asked on April 19, 2010
  46. math

    Simplify. (82 - 60) + [(-3 x 4) - 36÷4]

    asked on November 12, 2009
  47. 7th grade math

    Dave scored 2 under par (-2) each day of the 4 days of the golf tournament. Express as an integer how many strokes he finished under par.

    asked on November 2, 2009
  48. physics

    A ball is thrown upward from the top of a 24.4-m-tall building. The ball's initial speed is 12 m/s. At the same instant, a person is running on the ground at a distance of 30.2 m from the building. What must be the average speed of the person if he is to

    asked on August 30, 2011
  49. Gr.11 Factoring

    hi, could someone please explain how to factor this? 3x^2-2xy-y^2

    asked on October 9, 2008
  50. Gr.11 - Rational functions graphing.

    1. Identify a rational function whose graph is a horizontal line except for two holes. Graph the function. 2. Identify a rational function who graph lies entirely above the x-axis and has a single vertical asymptote. Graph the function. 3. Identify a

    asked on October 6, 2008
  51. biochemistry: Protein Synthesis

    1. Assume that a particular microorganism has 50 distinct t-rna molecules, and that it has 100 copies of each type of t-rna. Further assume that average number of nucleotides in each t-rna is 80. What is the energy cost, expressed as number of phosphoric

    asked on October 23, 2007
  52. Business Communication

    How to revised this sentence using concert words? " We have learns that young men are best for this week."

    asked on March 18, 2020
  53. physics

    A target lies flat on the ground 8 m from the side of a cliff that is 20 m tall. A physics student rolls a ball off the horizontal cliff in the direction of the target. Air resistance is negligible. Determine the horizontal speed with which the ball must

    asked on March 14, 2020
  54. Math

    Square with sides of length are cut out of each corner of a rectangle Mylar piece of cardboard measuring 13ft by 8ft. The resulting piece of cardboard is then folded into a box without a lid. Find the volume of the box. B. Supposed that in part a the

    asked on November 7, 2019
  55. Math


    asked on November 7, 2019
  56. Physics

    A boat heads due North for 3.00 km to reach a red buoy. It then changes direction and heads in a direction of 30.0 degrees South of East for a distance of 4.66 km to reach a blue buoy. The boat changes direction again and heads to a green buoy which is

    asked on October 2, 2018
  57. Chemistry

    Zinc, copper, lead, and mercury ions are toxic to Atlantic salmon at concentrations of 6.42 × 10–2 mM, 7.16 × 10–3 mM, 0.965 mM, and 5.00 × 10–2 mM, respectively. What are the corresponding concentrations in milligrams per liter? Concentration of

    asked on September 28, 2017
  58. Chemistry

    If the density of ocean water at a depth of 1.00 x 10^4 m is 1.071 g/mL and if 27.0 g of water at that depth contains 197 mg of potassium chloride, what is the molarity of potassium chloride in the sample?

    asked on September 28, 2017
  59. College Math (Introductory Analysis)

    Prove: If a sequence a_n diverges to infinity, then (a_N)^2 diverges to infinity as well.

    asked on September 9, 2017
  60. Math

    I need help on this problem. I've been stuck on it for 4 days now. Use a net to find the surface area of the prism. 2,296 m2 1,148 m2 757 m2 1,232 m2 the numbers are 25m, 7m, 19m, 7m, 24m I've tried 24x25x7 25x7x5 24x7x5 19x5x25 19x7x24 and other

    asked on May 18, 2017
  61. math

    Round the decimal to the nearest hundredths place 1.724

    asked on November 28, 2016
  62. Math

    Lani, Sue, and Jill begin jogging around a quarter-mile track at the same time. Lani takes 2 minutes to complete each lap, Sue takes 3 minutes and Jill takes 4 minutes. How long will they have been jogging when they first meet up again at the point where

    asked on October 15, 2016
  63. math

    the population of a town increased from 30000 to 40000. what is the percent of increase

    asked on August 30, 2016
  64. math

    Please help me to answer.this with solution i need your help please! Thanks! 1) 5/18+2/9= 2) 3 (12/17)= 3) (2/7)÷(5/8)= 4) 3/7-5/9= 5) 12÷2/3= 6) 7/15÷2/3= 7) 3/5-10= 8) 4/15+7/9= 9) 12/21(-3)= 10) (2/5)(5/18)=

    asked on June 14, 2016
  65. social studies

    Which factor would have the least effect upon the population distribution in Mexico or the United States? (1) infant mortality rate (2) national debt (3) migration rate (4) birth rate (5) death rate help !!

    asked on May 11, 2016
  66. social studies

    Which of the following is a likely cause of the shape of the population graph of Mexico? (1) Mexico has adopted China's "one family-one child" program. (2) About 60 percent of Mexico's industrial workers live in or near Mexico City. (3) Much of the land in

    asked on May 11, 2016
  67. Chemistry

    Enough concentrated sulfuric acid solution was added to provide 3 grams of sulfuric acid which dissolved i4 grams of pure fluorapatite. How much excess sulfuric acid was used? (report answer in grams of H2SO4

    asked on March 27, 2016
  68. Chemistry

    Phosphorus fertilizers are derived from phosphate rocks, called florapatite, Ca5(PO4)3F. Fluorapatite is insoluble in water, so it must first be dissolved using excess sulfuric acid to form water soluble calcium dihydrogen phosphate Ca(H2PO4)2. If a

    asked on March 27, 2016
  69. Quadratic Equations

    Find the distance a ball covered in a specific time if it was dropped from the top of a building that 324 meter high. Assume if the gravitational acceleration is 10 meters per second squared. I filled everything except the question marks in the table.

    asked on January 11, 2016
  70. Math

    You borrow $2,000 for a period of 4 years. You are charged simple interest at a rate of 3%. How much will you repay at the end of 4 years? So, do I draw out the formula I = P x R x T. I = Interest - unknown P = Principal - 2,000 R = Rate - 3%, 3 / 100 =

    asked on January 7, 2016
  71. math

    Is Increasing the Venture Orientation of a Firm always a Good Thing? Or are there Circumstances or Environments in which the further pursuit of Opportunities can diminish Firm Performance?

    asked on October 17, 2015
  72. PSYCH

    Jane suffers from Panic Disorder. What Axis of the DSM would this disorder present on? A. Axis II B. Axis III C. Axis I D. Axis IV is A the right answer?

    asked on June 29, 2015
  73. PSYCH

    Birth is a major adjustment for the infant as he/she leaves the familiar environment of the womb and takes his/her place in the world. Naming a baby is a part of this birth process. Being born and naming a child is considered: A. means of access. B. check

    asked on June 29, 2015
  74. PSYCH

    In algebra class Stan was a low performer, however, to build his self-esteem he approached the new student in class and informed the student he had the highest score in the class and to contact him if the student needed assistance. What type of systematic

    asked on June 29, 2015
  75. PSYCH

    Two common confounding variables that must be controlled in a nonequivalent control-group design are: A. selection and regression to the mean. B. selection and maturation. C. maturation and regression to the mean. D. sequence effects and maturation. MY

    asked on June 20, 2015
  76. PSYCH

    In the latter part of the 1880s, psychiatrists and neurologists tended to believe that madness was caused by __________. Less severe syndromes like hysteria were __________. A. biological troubles in the brain, also caused by biological troubles in the

    asked on June 5, 2015

    Match the following statement to the person: One should begin with careful observations of facts and experiments on nature, and then should form general conclusions only when they were fully justified. A. Plato B. Bacon C. Descartes D. Aristotle MY ANSWER

    asked on June 4, 2015
  78. Algebra

    Solve for h: 3/7 h = 9

    asked on May 25, 2015
  79. Algebra

    Solve for t: 15 3/4 = t + 4 5/8

    asked on May 25, 2015
  80. Algebra

    Solve for h: h + 3/8 = - 1/4

    asked on May 25, 2015
  81. Algebra

    A set of encyclopedia has 27 volumes. each volume is 1 3/8 inches thick. If the volumes are placed side by side, how long will the set be?

    asked on May 25, 2015
  82. Algebra

    Find the product Simplify if possible: 12y/13 * 11/24

    asked on May 25, 2015
  83. Algebra

    Simplify 3/7 - 4/m

    asked on May 25, 2015
  84. Algebra

    Anita owns a beauty supply store. Every two weeks she receives a supply of shampoo. Every four weeks she receives a carton of nail polishes. Every eight weeks she receives a box of combs, and every twelve weeks she receives a box of hair dyes. If Anita

    asked on May 25, 2015
  85. Algebra

    Find the least common multiple: 2b^2 and 12c^3

    asked on May 25, 2015
  86. Algebra

    Mary thinks that a quarter-pound hamburger is heavier than a 5 oz hamburger. Explain why she is incorrect.

    asked on May 25, 2015
  87. Algebra

    Paul needs 3 1/4 yards of fabric to make one tablecloth. How many tablecloths can he make from 20 1/2 yards of fabric. 67 7 My answer 6 66

    asked on May 25, 2015
  88. Algebra

    Order 3.21 x 10, 42 x 10^4, and 0.11 x 10^10 from least to greatest

    asked on May 25, 2015
  89. Algebra

    Write 806,000,000 in scientific notation

    asked on May 25, 2015
  90. Algebra

    x^7 * y^3 * x^8 * y^2 can you help me find the answer?

    asked on May 25, 2015
  91. Algebra

    Evaluate. Write in simplest form. 6-b/3a a=10 a=-9 My answer is 2 or 5...I'm not sure

    asked on May 25, 2015
  92. Algebra

    What is the prime factorization of 180? My answer 2 x 2 x 3 x 3 x 5 Am I right?

    asked on May 25, 2015
  93. Algebra

    A microscope can magnify the specimen 10^4 times. How many is that? My answer 10 x 10 x 10 x 10 = 10,000 times Am I right?

    asked on May 25, 2015
  94. Algebra

    Which fraction is not equivalent to 6/10? 3/5 EQUIVELANT 12/20 EQUIVELANT -6/-10 - 6/10 I know the first two are equivalent to 6/10 but I'm not sure about the last two.

    asked on May 25, 2015
  95. Math

    Which number is NOT divisible by 9?

    asked on May 25, 2015
  96. 8th Grade

    Give an example of when you would want to reduce friction. Please help!

    asked on April 21, 2015
  97. Math

    Sorry again but I am terrible at math and I need help help writing this prob into an equation: 50 pounds of potato salad cost $39.50 and 50 pounds of bean salad cost $23.50. What was the difference in costs of the salads?

    asked on September 21, 2014
  98. math

    I need help writing an equation for this problem: for the school barbeque, room 107 bought 50 pounds of hot dogs for $69.50. How much did the hot dogs cost per pound?

    asked on September 21, 2014

    A 20 kg wagon is pulled along the level ground by a rope inclined at 30 deg above horizontal. A frictional force of 30 N opposes the motion, how large is the pulling force if the wagon is moving at constant velocity.

    asked on August 23, 2014
  100. Math-simplify

    Can someone help me simplify this (2x/15)^2 / (.15-x/15)(.2-x/15) I end up getting this, 4x^2/x^2-17x+.003

    asked on February 24, 2014


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