Popular questions and responses by Terri
  1. math

    what is the squar root of 400

    asked on December 14, 2009
  2. Math


    asked on October 2, 2009
  3. pre cal

    simplify sin (8x) using only sin(x) and cos (x)

    asked on June 29, 2012
  4. English

    Identify the correct sentence: A.A great year for music was 1984 B.Nineteen eighty four was a great year for music. C. 1984 was a great year for music. D.A great year for music was nineteen eighty four. C.

    asked on October 20, 2015

    Which sentence is correct? A.I will never shop at Ace Electronics Store because of their rude employees. B.I will never shop at Ace Electronics Store because of its rude employees. C.I will never shop at Ace Electronics Store because of it's rude

    asked on October 18, 2015
  6. Math

    The quantity demanded each month of russo Espresso Makers is 250 when the unit price is $140; the quantity demanded each month is 1000 when th e unit price is $110. the suppliers will market 750 expresso makers if the unit price is $60 or higher. At a unit

    asked on April 9, 2012
  7. English

    Identify the correct sentence: A.While studying for her psychology test,Francina had trouble concentrating because her friends were calling her, her brother's blasting stereo and her dad mowing the lawn. B.While studying for her psychology test,Francina

    asked on October 27, 2015
  8. geometry

    If m angle 1 = 90°, what is m ADB?

    asked on June 21, 2011
  9. Math

    A die is rolled, and the number that falls uppermost is observed. Let E denote the event that the number shown is even, and let F denote the event that the number is odd number. A. Are the events E and F mutually excluseve? B. Are the evnts # and F

    asked on May 13, 2012
  10. Math

    Jodi is cutting out pieces of paper that measure 8 1/2 inches by 11 inches from a larger sheet of paper that has an area of 1,000 square inches what is the greatest possible number of pieces of paper that jodi can cut out of the larger sheet?

    asked on September 27, 2016
  11. Math

    Luis has $150,000 in his retirement account at his present company. Because he is assuming a position with another company, Luis is planning to "roll over" his assets to a new account. Luis also plans to put $3000/quarter into the new account until his

    asked on April 29, 2012
  12. 9th grade alebra

    Name the set of numbers to which -10 belongs A whole numbers , integers , rational numbers B rational numbers C integers or rational D whole numbers , natural numbers , integers

    asked on February 5, 2017
  13. English

    Shanique wanted a pair of Levis ,but _ didn't have her size. A. it B. they C. the store D. them it is C

    asked on October 18, 2015
  14. geometry

    Given: BD is a diameter m 1 = 100°m BC = 30° m 2 = ?degrees Given: BD is a diameter m 1 = 100°m BC = 30° m 3 = ? degrees Given: BD is a diameter m 1 = 100°m BC = 30° m 4 =? degrees Given: BD is a diameterm 1 = 100°m BC = 30° m AD = ?degrees Given:

    asked on June 21, 2011
  15. PreCalculus

    A lake formed by a newly constructed dam is stocked with 1,000 fish. Their population is expected to increase according to the logistic curve N=30/(1+29e^-1.35t) where N is the number of fish, in thousands, expected after t years. The lake will be open to

    asked on April 26, 2014
  16. algrebra

    Christine purchased a prepaid phone card for . Long distance calls cost cents a minute using this card. Christine used her card only once to make a long distance call. If the remaining credit on her card is , how many minutes did her call last?

    asked on May 12, 2014
  17. algebra

    A farmer decides to enclose a rectangular garden, using the side of a barn as one side of the rectangle. What is the maximum area that the farmer can enclose with 100 ft. of fence? What should the dimensions of the garden be to give this area? The max.

    asked on March 27, 2010
  18. algebra

    your club is in charge of making pins that students can buy to show their school spirit for the upcoming football game. you have 225 so far and you only have 2 hrs. left to make the rest of the pins. you need to make at least 400 pins.

    asked on February 13, 2013
  19. Finance 200

    If a firm has fixed costs of $20,000, variable cost per unit of $.50, and a breakeven point of 5000 units, the price is?

    asked on January 11, 2010
  20. English / Punctuation

    Identify the correct sentence, A. Give me a call tomorrow, Veronica, when you get home,so we can discuss the details of the upcoming event. B.Give me a call tomorrow, Veronica, when you get home so we can discuss the details of the upcoming event. C. Give

    asked on October 20, 2015
  21. Math probability

    The sorry state lottery requires he does like five different numbers from 0 to 67 you are a big winner is the five numbers you select agree with those in the drawing and you are a small fry wonder if four of your five numbers agree with those in the

    asked on November 20, 2016
  22. Math

    Steinwelt Piano manufactures uprights and consoles in two plants, Plant 1 and plant 2. the output of plant 1 is at most 300/month, and the out put of plant 2 is at most 250/month. theses pianos are shipped to three warehouses that serve as distribution

    asked on April 24, 2012
  23. AVSC

    Consider the low-speed flight of the Space Shuttle as it is nearing a landing. If the air pressure and temperature of the shuttle are 1.2 atm and 300 K, respectively, what is the air density? Note: 1 atm = 101325 N/m^2. Hint: Use ideal gas law!

    asked on March 5, 2012
  24. Information Literacy

    Plain language searches do not work in Expanded Academic ASAP and may not work in other periodical databases because periodical databases

    asked on June 18, 2017
  25. Chemistry

    For the reaction: Pb(NO3)2(aq) + 2KCl(aq)->PbCl2(s) + 2KNO3(aq) How many grams of PbCl2 will be formed from 63.0 mL of a 1.60 M KCl solution?

    asked on June 22, 2016
  26. essay

    how to write a 15min essay about myself

    asked on April 29, 2013
  27. Micro Economic Theory

    How do you find the budget constraint given the utility function u = q1^(1/3) + q2

    asked on December 7, 2010
  28. math

    complete the pattern 1,1,2,6,24,__

    asked on August 11, 2010
  29. Finance

    The key element in developing a pro forma statement is?

    asked on February 10, 2010
  30. Finance 200

    The Bubba Corp. had earnings before taxes of $200,000. and sales of $2,000,000. If it is in the 50% TAX BRACKET ITS AFTER-TAX PROFIT MARGIN IS?

    asked on January 11, 2010
  31. Math

    Explain in writing what "borrow", "trade" or "regroup" means in subtraction. Is it that easy or am I missing something?

    asked on September 15, 2009
  32. Math

    In a diagram of an 2 isosceles triangles, where ABC is a big triangle and a ADE, is just inside the top portion of ABC. Isosceles triangle ABC is similar to a isosceles triangle ADE what is the length of DE, which is the base part of a isosceles triangle

    asked on July 27, 2016
  33. geometry

    A total solar eclipse occurs when the moon passes between the earth and the sun, and the darkest shadow cast by the moon, called the umbra, hits the surface of the earth. If the umbra does not hit the surface, as shown in the following figure, then a total

    asked on November 6, 2014
  34. Statisitics

    Identify the population, and the sample in each of the following: A small college has 275 tenured full and associate professors. Twenty professors are randomly chosen to take part in a survey about the incorporation of technology into their teaching

    asked on October 16, 2014
  35. Chemistry

    An electron traveling at 3.1 x 10^5 m/s has an uncertainty in it's velocity of 1.07 x 10^5 m/s. What is the uncertainty in it's position?

    asked on February 24, 2014
  36. PreCal

    Find all real numbers x and y -2x-4-2yi=3x-2i 5x+2yi=-4+2i 5x=-4 so x=-4/5 2yi=2i so you =1 This was what I got by an online calculator said x=-4/5-2iy/5+2i/5 y=5ix/2+2i+1 Which is right?

    asked on November 10, 2013
  37. chem

    What happens to a catalyst in a reaction? a. it remains unchanged b. it is incorporated into the products c. it is incorporated into the reactants d. it evaporates

    asked on December 30, 2011
  38. Geometry

    How do I solve this problem? Point P is between points L and M. LM = 10x, LP = 2x + 4, and PM = 3x + 16. Solve for x.

    asked on November 14, 2010
  39. englsih

    ok thanks now how does my introduction looks? In the short story Trifles by Susan Glaspell, describes a wife who slowly loses her identity and conforms her husband’s wishes, which leads her killing to kill her husband. When the Attorney and sheriff come

    asked on September 15, 2010
  40. chemistry

    Why can two different elements have similar atomic masses?

    asked on May 26, 2008
  41. Finance math

    Consider the project with the following expected cash flows: Year Cash flow 0 -$400,000 1 $100,000 2 $120,000 3 $850,000 •If the discount rate is 0%, what is the project's net present value? •If the discount rate is 2%, what is the project's net

    asked on December 9, 2014
  42. math

    What is the length of the shortest side of the room if the area is 240 sq ft and the longest side of the room is 20 ft?

    asked on February 27, 2014
  43. PreCal

    Find all real numbers x and y so I'm a bit confused with the y solution -2x-4+2yi=3x-2i 2yi=5x-2i+4 I know the answer is y = -5ix/2 - 2i - 1 so y = -1 But how do you go from 2yi = 5x - 2i + 4 to y = -5ix/2 - 2i - 1

    asked on December 1, 2013
  44. PreCal

    Determine the value of c for which the following quadratic equations will have one root. x^2-5x+c=0 I have no idea what formula to use to figure this out.

    asked on November 10, 2013
  45. Algebra

    All real # x and y that satisfy -2x-1+2yi=4x-5i first step is place constant complex # on one side -2x+2yi-4x=1+5i -6x+2yi=1+5i now I'm lost

    asked on October 23, 2013
  46. statistics

    The ages of five randomly chosen cars in the parking lot are determined to be 7,9,3,4 and 6 years old. If we consider this sample in groups of 3, what is the probability of the true mean falling between 5.5 and 6.5?

    asked on April 9, 2013
  47. statistics

    I am seeing some inconsistencies with regards to finding the upper and lower quartiles when you you have an odd number in your data set. Which is correct, counting the median in both your upper and lower set, or ignoring it?

    asked on March 1, 2013
  48. Math

    tom has a collection of 50 cds and nita has a collection of 38 cds. Each month tom adds two cds and nita adds four how many months will it take until they have the same amount?

    asked on January 30, 2013
  49. Math

    Hobbies: A book club charges a membership fee of $20 and then $12 for each book purchased. a. Write and graph a function to represent the cost y of membership in the club based on the number of books purchased x. b. what if...? Write and graph a second

    asked on January 25, 2013
  50. Statistics

    Why do so many of life's events share the same characteristics as the central limit theorem?

    asked on March 1, 2012
  51. calculus

    What is the fourth derivative of this fifth degree polynomial? 5x^5+2x^4+7x^3+x^2+x+42?

    asked on September 8, 2011
  52. Physics

    Two point charges, one of +3.00 10-5 C and the other -5.00 10-5 C are placed at adjacent corners of a square 1.400 m on a side. A third charge of +5.70 10-5 C is placed at the corner diagonally opposite to the negative charge. Calculate the magnitude and

    asked on April 3, 2011
  53. goemetry

    A segment is divided into two parts having lengths in the ratio of 5:3. If the difference between the length of the parts is 6," find the length of each part. x = ? segment 1 = (5x) = ? inches segment 2 = (3x) = ? inches

    asked on March 9, 2011
  54. geometry

    If AB = 6, ST = 8, AC = 12, A = 40°, T = 20°, then what does BC = ? = ?

    asked on January 14, 2011
  55. college

    what to do if order-taking system becomes obsolete?

    asked on October 13, 2010
  56. math

    there are 267 students and teachers in a school. the ratio of students to teachers is 25:2 . How many students and teachers are there?

    asked on October 3, 2010
  57. English

    In the following sentence, the comma is used correctly with an introductory clause: “Training for the upcoming ten-mile marathon, Lizette includes more protein and complex carbohydrates in her diet.”

    asked on September 9, 2010
  58. english

    Choose two advertisements—either from television or a magazine—that draw your attention because they use semantic argument. For each ad: * Name the product * Describe the ad * List the words used as semantic persuaders * Explain what types of semantic

    asked on July 21, 2010
  59. Math

    How do you show 33/100 as a reduced fraction? The answer choice is suppose to be approximately.

    asked on March 11, 2010
  60. english

    Can you explain why the quotation mark was in putted on this sentence: "Notice,"the professor told the class, "Cassius' choice of imagery when he asks, 'Upon what meat doth this our Ceasar feed that he is grown so great?"

    asked on February 15, 2010
  61. algebra

    use the substitution method 5x+4y=-8 x=8-4y How do you do this?

    asked on January 25, 2010
  62. college

    The width of a rectangle is fixed at 16cm. What lengths will make the perimeter greater than 84cm?

    asked on November 28, 2009
  63. ALGEBRA 1 A

    The St. Mark's Community Barbecue served 250 dinners. A child's plate cost $3.50 and an adult's plate cost $7.00. A total of $1347.50 was collected. How many of each type of plate was served? Is the answer 125 for child and 125 for adult is this correct?

    asked on October 30, 2009
  64. 6th grade math

    Use the numbers 1,2,3,4,5, and 6 to write a subtraction problem with 2 mixed numbers that have a difference of 4 13/20.

    asked on April 6, 2009
  65. algebra

    solve the system 2x-y+z=3 x+3y-2x=11 3x-2y+4z=1

    asked on February 24, 2009
  66. math


    asked on September 18, 2019
  67. Statistics

    If the random variable z is the standard normal score and a > 0, is it true that P(z > -a) = P(z < a)? Why or why not?&

    asked on May 4, 2019
  68. Algebra

    How many liters of a 25% antifreeze solution must be mixed with 4liters of a 60%antifreeze solution to make a mixture that is 45%antifreeze? I'm not sure of the correct formula to use.

    asked on December 6, 2016
  69. Math

    To buy furniture for a new apartment Brian Jones borrowed $4000 at 13% simple interest for 10 months . How much interest will he pay ?

    asked on August 9, 2016
  70. Math

    It takes John 45 minutes to read 9 pages of a book at this same rate, how long will it take him to read 12 pgs?

    asked on July 28, 2016
  71. icc

    Divide and express the answer in simplest form: 6 2/3 divided by 4 1/2

    asked on June 22, 2016
  72. Math

    Rob had a pitcher containing 2 liters of lemonade. He poured an equal amount of lemonade into 14 glasses. How much lemonade was left over in the pitcher? 14/2000=142 r 12

    asked on May 6, 2016
  73. math

    I have 3 balls in a box, one red, one blue, and one green. Am I more likely to draw a red ball followed by a green ball or a blue ball among the first two balls to be drawn?

    asked on February 22, 2016
  74. math

    Mrs. Stewart said the class average was 85. The actual quiz average was 72. What is her percent error rounded to the nearest tenth of a percent?

    asked on November 29, 2014
  75. Statistics

    A sample of n=20 has a mean of M = 40. If the standard deviation is s=5, would a score of X= 55 be considered an extreme value? Why or why not? I understand that the score in question is 3 standard deviations above the mean. But I thought that I would need

    asked on November 9, 2014
  76. Statistics

    A sample of n=20 has a mean of M = 40. If the standard deviation is s=5, would a score of X= 55 be considered an extreme value? Why or why not?

    asked on November 9, 2014
  77. Statistics

    The manufacturer of Sleepeze has asked you to test the effectiveness of the drug. You decide to test the effectiveness using the drug and a placebo. You select a select a group of 500 subjects and randomly assign them to either the treatment group or the

    asked on October 16, 2014
  78. Statistics

    A supermarket chain wants to verify that the bottler of their store brand of soda is in fact filling the cans to the specified volume. They took several “cubes” from the shelves and measured the amount in each can. Is this an observational study or a

    asked on October 16, 2014
  79. Economics

    Very confused on how to figure these out. Suppose that the following table shows the weekly visits to an amusement park as a function of the daily admission fee charged: #visits daily fee 200 $50 400 $40 600 $30 800 $20 1000 $10 What is the price

    asked on September 9, 2014
  80. Economics

    Use the concept of demand price elasticity to explain why grocery store items are often available to shoppers who have “coupons” clipped from local newspapers at a lower price than they are available to shoppers who don’t have coupons.

    asked on September 9, 2014
  81. math

    at a college function a total of 180 tickets were sold. the tickets were priced at $5,10,15 and the money collected that day was $1,900. the sum of the numbers of $5,and $15 tickets sold was twice the number of $10 tickets sold. find the number of each

    asked on May 16, 2014
  82. Programming Concepts

    Can someone please explain to me how I can get the solution for this question. Use the top-down modular approach and pseudocode to design a suitable program to help you solve this problem. Whenever appropriate,validate the input data. Find the sum of the

    asked on May 13, 2014
  83. calculus

    x^4 + 2x^2 + 1 = 0 (x^2)^2 +2x^2 +1 = 0 (x^2 + 1)^2 = 0 I don't know where to go now although I know the answer is x = i, -i

    asked on April 19, 2014
  84. statistics

    What is wrong with the statement: It is believed that the proportion of Middle School teachers who leave the profession within 5 years is different from the proportion of High School teachers who leave the profession within 5 years. Test with a level of

    asked on April 14, 2014
  85. Math

    perimeter of a rectangular shap is 960 ft. The shortest side is 150ft. What is the length of the longest sides?

    asked on February 27, 2014
  86. PreCal

    You have 1000 coins. Start by placing one coin in its own "stack." Next to the first stack, make a stack of two coins. Then make a stack of four coins and continue creating stacks of coins, each stack twice as high as the previous one. Now I figured it

    asked on December 1, 2013
  87. PreCal

    A country X has a population growth rate of 3%. How many years will it take the population of country X to double? Use continuous compound growth So I used A=Pe^.03n I know A has to be double P. e^.03 = 1.0304543954 but now I'm lost

    asked on December 1, 2013
  88. PreCal

    1n e^5 a little confused how to determine exact value Is it? log(e)e^5 e^x=e^5 x=5

    asked on December 1, 2013
  89. PreCal

    Find all solutions to the equation, x-8(sqrt x)+16=0. Is x=16 the only solution?

    asked on November 30, 2013
  90. PreCal - repost

    A trainee is hired by a computer manufacturing company to learn to test a particular part of a personal computer after it comes off the assembly line. The learning curve for an average trainee is given by N=200/4+21e^-0.1t How many computers can a trainee

    asked on November 30, 2013
  91. PreCal

    A trainee is hired by a computer manufacturing company to learn to test a particular part of a personal computer after it comes off the assembly line. The learning curve for an average trainee is given by N=200/4+21e^-0.1t a)How many computers can a

    asked on November 30, 2013
  92. PreCal

    This is a solved problem. Deposit $1000 @ 8% compounded continuously. How many years before it doubles. Solved: Use A=Pe^.08 , so 2000=1000e^.08n then 2=e^.08n then take natural log (1n) of both sides. end up with 1n 2 = .08n so that n= 1n 2/.08 approx=

    asked on November 30, 2013
  93. PreCal

    A person deposits $1000 in a bank account which pays 8% annual interest compounded continuously. Used formula A=Pe^in You get A=(1000)e^.08(1)=1000e^.08≈ 1000(1.08329) ≈ $1,083.29 My question is how do you get 1.08329 from e^.08

    asked on November 30, 2013
  94. PreCal

    I'm suppose to solve log(3)-27=x I get 3^x=-27 I can't go any father correct?

    asked on November 29, 2013
  95. PreCal

    express in form a+bi (1+2sqrt3)(2-3sqrt-3) so I came up with 2-3i sqrt3 + 4sqrt3 - 18i Is that solution a+bi form

    asked on November 10, 2013
  96. Algebra

    5/3x-7≤2 Solve. Note in interval notation So I got 19/6≤x the other is suppose to be x less than 7/3 but I can't get that How do you get that

    asked on October 27, 2013
  97. Math

    find all real numbers x and y that satisfy -2x-1-2yi=4x-5i I think the first step is rewrite with constant complex on one side. -2x-2yi-4x=1-5i now I'm lost

    asked on October 23, 2013
  98. statics

    This problem will introduce the learner into a technique called Analysis of Variance. For this course we will only conduct a simple One-Way ANOVA and touch briefly on the important elements of this technique. The One-Way ANOVA is an extension of the

    asked on October 19, 2013
  99. Statics

    Lilly collects data on a sample of 40 high school students to evaluate whether the proportion of female high school students who take advanced math courses in high school varies depending upon whether they have been raised primarily by their father or by

    asked on October 19, 2013
  100. intro to stats

    A very small population consists of 7 units, labeled a; b; c; d; e; f; g. How many di fferent samples of size 3 are there, for sampling without replacement, assuming that (a) samples are lists of units. (b) samples are sets of units.

    asked on September 3, 2013


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