lizzie

Newest questions and responses by lizzie
  1. science

    Question: Why are "apparently" small changes in pH so important in Biology? Answer: pH levels are each a 10-fold change so a change by 2 is actually a change by 1000. pH determines certain characteristics in organisms that allow them to live in certain

    asked on December 9, 2017
  2. Math

    Alicia's family decked to vist her grandmother, who lives 200 miles away. If they drive an average speed of 60 miles or hour, about how long will it take them to arrive at her grandmother's place.

    asked on August 25, 2017
  3. Maths/Algebra

    Samantha went shopping and spent half her money on a T-shirt and a third of her money on a scarf. She returned with $15. How much money did she have to begin with? My working out: s = money to begin with s - 1/2 s - 1/3 = 15

    asked on February 19, 2017
  4. algebra

    a spinner is split into three equal sections numbered one through three. What is the probability of spinning two threes in a row?

    asked on October 19, 2016
  5. HELP GRAMMAR

    if you say twenty days to respond and a few paragraphs later say the petition must be filed within 90 days is that correct or must both match

    asked on October 6, 2016
  6. Ms Sue and or Ms Wright

    He hit the ball well, but he ran toward third base." Could the sentence read He hit the ball well and ran toward third base." Why yes or no Thank you so much.

    asked on May 2, 2016
  7. ms sue - thanks

    is this correct on string of nouns you need and before the last one. On adjectives you do not? These sentences below are incorrect: incorrect Helen is bright, friendly, and confident. ( take out and) We have many dogs, cats, lions. (put in and)

    asked on May 2, 2016
  8. Ms Sue English

    I thought my grammar was excellent BUT now not so sure:( why is and necessary in some sentences and not others? Boys, girls, dogs, and cats .... vs Bright, friendly, compassionate ....

    asked on May 2, 2016
  9. English SAT

    Hi - i am doing english SAT practice and have a few grammar questions. 1. '60s flower child Book says an apostrophe goes before 60. Can you explain why? 2. Helen is a bright, friendly, confident girl. Book says this is correct Why is the word "and" not

    asked on May 2, 2016
  10. math

    Michael has 18 decorative square tiles to make a design on a kitchen backsplash. He wants to arrange them in a rectangular shape with the least perimeter possible. How many tiles will be in each row?

    asked on March 20, 2016
  11. News for Ms. Sue

    1. A student raises her grade average from a 75 to a 90. What was the percent of increase in the student’s grade average? Round your answer to the nearest tenth of a percent, if necessary. A: 20% B: 16.7% C: 8.3% D: 15% Hi Ms. Sue, it was 20%. Thank you

    asked on February 2, 2016
  12. Math, are they all right?

    1. A student raises her grade average from a 75 to a 90. What was the percent of increase in the student’s grade average? Round your answer to the nearest tenth of a percent, if necessary. A: 20% B: 16.7% C: 8.3% D: 15% *** 2. Beanbag chairs that

    asked on February 2, 2016
  13. Math

    1. Calculate the simple interest for each situation. Choose THREE that have a simple interest greater than $800.00. a. $2,000.00 at 6% for 7 years *** b. $4,500.00 at 3% for 6 years *** c. $1,400.00 at 6% for 9 years d. $5,000,00 at 7% for 3 years *** e.

    asked on February 2, 2016
  14. ONE math question! Check please, thank you!

    6) 108 is 36% of what number? Write and solve a proportion to solve the problem. Step 1. First, I will write the proportion to find the missing value, which I will replace it with n. 108/n = 36/100 Step 2. Next, I will write the cross products. So, 36n =

    asked on February 2, 2016
  15. Math - Another question to check, sorry... =/

    7. 72 is what percent of 480? Write and solve an equation to solve the problem. Step 1. First, I will write out the equation. part = percent x whole Step 2. Now, fill in the parts… 72 = p x 480 Step 3. I will simply divide 72 by 480, which will be 0.15.

    asked on February 2, 2016
  16. Math - is this correct?

    1. Estimate a 15% tip on a taxi ride that costs $23.25. I will first round the cost to the nearest dollar. $23.25 ≈ $23.00 I will now use mental math to find 10% of the cost. $23.00 x 0.1= 2.3 5% is 1/2 of 10%, so it would be $1.15. Finally, I will add

    asked on February 1, 2016
  17. Math

    10% requires you to move the decimal place over one place. So, it would be 2.32. Then, 5% is 1/2 of 10% so it would be 1.16. Add them together and its roughly around 3.50. Is this correct?

    asked on February 1, 2016
  18. Math

    10% requires you to move the decimal place over one place. So, it would be 2.32. Then, 5% is 1/2 of 10% so it would be 1.16. Add them together and its roughly around 3.50. Is this correct?

    asked on February 1, 2016
  19. Math

    Jai has 35 pieces of fruit. They are all apples and pears. He has 15 more apples than pears. How many pears does he have?

    asked on July 15, 2015
  20. Business statistics

    5. An Aspirin manufacturer fills bottles by weight rather than by count. Since each bottle should contain 100 tablets, the average weight per tablet should be 5 grains. Each of 100 tablets taken from a large lot is weighed, resulting in a sample average

    asked on March 25, 2015
  21. Business statistics

    4. A study of the ability of individuals to walk in a straight line (“Can We Really Walk Straight?”, Amer. J. of Physical Anthro., 1992:19-27) reported the accompanying data on cadence (strides per second) for a sample of 20 randomly selected

    asked on March 25, 2015
  22. Business statistics

    3. Determine the t-critical value for a two-sided confidence interval in each of the following situations. a. Confidence level = 95%, df = 15 b. Confidence level = 99%, n = 5. c. Confidence level = 95%, n = 15 d. Significance level = 0.01, df = 37

    asked on March 25, 2015
  23. Business statistics

    2. Each of the following is a large-sample confidence interval for μ, the mean resonance frequency (HZ) for all tennis rackets of a certain type. (114.4, 115.6), (114.1, 115.9) a. What is the value of the sample mean resonance frequency? b. Both intervals

    asked on March 25, 2015
  24. Business statistics

    1. Suppose the estimate of a proportion of a normal population is to be within 0.05 using the 95% confidence level. How large a sample is required if: a. It is known from previous studies that p = 0.3? b. There is no prior knowledge of p?

    asked on March 25, 2015
  25. Finance

    A speculator sells a stock short for $70 a share. The company pays a $2 annual cash dividend. After a year has passed, the seller covers the short position at $60. What is the percentage return on the position (excluding the impact of any interest expense

    asked on January 20, 2015
  26. math

    A checkerboard is 10 inches long on each side.What is the length of the diagonal from one corner to another? I know, I will need to use the equation... A2+B2=C2....but I don't know where to put the numbers. Thank you for the help!

    asked on January 13, 2015
  27. math

    About 25% of those called will find an excuse to avoid jury duty. If 11 people are called for jury duty, what is the probability that all 11 will be available to serve on the jury? (Round your answer to three decimal places.)

    asked on October 9, 2014
  28. Math

    If a car is driven at a speed of 78 mph and they travel for 3.5 hours , what is the distance traveled?

    asked on August 26, 2014
  29. Chemistry

    Calculate the cell potential for the following reaction as written at 25.00 °C, given that [Mg2 ] = 0.763 M and [Sn2 ] = 0.0180 M Mg(s)+Sn^2+(aq)-->Mg^(2+)+Sn(s) I keep getting 2.57 but it says I'm wrong. Please help me!

    asked on May 19, 2014
  30. Chemistry

    Calculate the cell potential for the following reaction as written at 25.00 °C, given that [Mg2 ] = 0.763 M and [Sn2 ] = 0.0180 M Mg(s)+Sn^2+(aq)-->Mg^(2+)+Sn(s) I keep getting 2.57 but it says I'm wrong. Please help me!

    asked on May 19, 2014
  31. Math

    What is the common multiple (LCM) of 5, 6,and 2?

    asked on March 6, 2014
  32. Math

    An integer greater than -10 and less than -8

    asked on February 21, 2014
  33. MATH

    prove tan (theta/2)= (sin(theta))/(1+cos(theta))for theta in quadrant 1 by providing the calculation along with the reason. I appreciate the help.

    asked on January 30, 2014
  34. Math; Check my answers please

    1. sin(tan^-1(4/3))=4/5 2. find the angle whose tangent equals 0. tan^-1(cos(pi/2))=0

    asked on January 28, 2014
  35. math

    You have a 20-foot ladder that you are using as you paint your house. You place the ladder so that it forms an angle of 30 at the point of contact between the ladder and the ground. How high will the top of the ladder be above the ground? Please explain.

    asked on November 29, 2013
  36. Math

    how many solutions does the equation sin(5x)=1/2 have on the interval [0,2pi]?

    asked on November 22, 2013
  37. math

    Write a situation that can be represented by 3.25d

    asked on November 21, 2013
  38. math

    The official ratio of width to length for the U.S. flag is 10 to 19. If a flag is 38 inches wide, how long should it be?

    asked on November 14, 2013
  39. Math

    3x+13=5(x-1)

    asked on November 14, 2013
  40. artist

    who is juten is he a artist

    asked on October 11, 2013
  41. math

    what is 5x + 2>3x + 10

    asked on March 7, 2013
  42. maths

    A particle of mass m rests on a rough inclined surface at an angle Pi/6 to the horizontal. When a force of magnitude P is applied parallel to the surface pointing up the slope, the particle is on the point of slipping down the slope, whereas when a force

    asked on February 27, 2013
  43. math

    ms. fuller has 2 and 2/6 pies left over from her party. write the number of pies left over as a fraction greater than 1.

    asked on November 12, 2012
  44. physics

    A car is coasting backwards downhill at a speed of 2.6 m/s when the driver gets the engine started. After 2.5 s, the car is moving uphill at 4.6 m/s. Assuming that the uphill is the positive direction, what is the car's average acceleration?

    asked on September 19, 2012
  45. Algebra

    A machine has a work output of 28ax^5 joules and a work input of 7a^2x^6 joules. What is the efficiency of the machine?

    asked on August 5, 2012
  46. Math

    A square painting is surrounded by a 3-cm-wide frame. If the total area of the painting plus the frame is 81 cm2, find the dimensions of the painting.

    asked on July 27, 2012
  47. Math

    In a financial deal, you are promised $800 the first day and each day after that you will receive 45% of the previous day's amount. When one day's amount drops below $1, you stop getting paid from that day on. What day is the first day you would receive no

    asked on May 7, 2012
  48. algebra

    how do you graph c =40t+ 250

    asked on February 16, 2012
  49. Business Analysis

    Barney Casey borrowed $40,000 from his parents for 2 years. He paid them a total of $45,000 at the end of the 2-year term of the simple interest loan. What rate of interest did he pay his parents?

    asked on February 7, 2012
  50. Chemistry

    Popcorn kernels pop independently (i.e. unimolecularly). For one brand at constant temperature, 15 kernels pop in 10 seconds when 200 kernels are present. After 35 kernels have popped, how many kernels will pop in 10 seconds? (Your answer may include

    asked on February 5, 2012
  51. geometry

    In the figure below, the length of CB is 64 units and the length of BG is 137 units. What is the length of EA?

    asked on January 9, 2012
  52. PHI103 Informal Logic

    If P, then Q, where P and Q are both sentences. P is the antecedent of the conditional—the ‘if’ part—and Q is the consequent—the ‘then’ part. The corresponding conditional of an argument contains the conjunction of the premises in the

    asked on October 19, 2011
  53. PHI103 Informal Logic

    Assume Mary is forced to let her children go hungry or steal some food from a local grocery store. Which should she do? Construct an argument that supports Mary's decision to steal the food or an argument that shows why Mary should not steal the food.

    asked on October 15, 2011
  54. math

    How do I simplify the following expression using the distributive property? 7z-4+6(2z-9)

    asked on August 31, 2011
  55. Algebra

    I don't know how this answer was achieved. Can you take me step by step? A=1500(1+.043/4)^(4(6)) = $1938.84

    asked on August 21, 2011
  56. Algebra

    Help! sin B = ( 5 square root 2)/ (5 square root 3), find the value of csc B

    asked on August 20, 2011
  57. Algebra

    log25 8 less than or greater than x How do I write this in a different form? fraction

    asked on August 16, 2011
  58. Algebra

    Please explain One factor of x3 + 5x2 + 2x - 8 is (x + 4). Find the remaining factors.

    asked on August 16, 2011
  59. Physics Help

    0.30 mol of argon gas is admitted to an evacuated 50cm^3 container at 20 C. The gas then undergoes an isobaric heating to a temperature of 340C. What is the set up for this? I can plug in the values

    asked on August 16, 2011
  60. Algebra

    Solve the following system using substitution: y = x + 2 y = 3x I don't understand this question.

    asked on August 15, 2011
  61. Physics

    Some hydrogen gas is enclosed within a chamber being held at 200C with a volume of 0.025m^3. The chamber is fitted with a movable piston. Initially, the pressure in the gas is 1.50*10^6 Pa (14.8 atm). The piston is slowly extracted until the pressure in

    asked on August 15, 2011
  62. Physics

    A gas with initial conditions p_i, V_i, and T_i expands isothermally until V_f=6 V_i. What are (a) T_f and (b) p_f? 1)T_f/T_i= 2)p_f/p_i= I don't know how to solve this

    asked on August 14, 2011
  63. Algebra 2

    Help List all the possible rational zeros of p(x) = 2x^3 - 3^2 + 4x - 6.

    asked on August 14, 2011
  64. algebra 2

    I don't know how to do this. Which describes the number and type of roots of the equation x^3 - 4x^2 + 50x + 7 = 0? a. 1 positive, 2 negative b. 2 positive, 1 negative c. 3 negative d. 3 positive.

    asked on August 14, 2011
  65. Algebra-Matrix

    How would I do these Matrices? 1. |1/2 14 10 -8| 2, Let matrix A = [8 -2 4 7 ] Let matrix B = 2A, Find b_22

    asked on August 12, 2011
  66. Algebra-Matrix

    What element is a location a_23 of matrix A, if |4 -3 4| 5 0 -6 7 2 -8 I have the answer at -6 Is this correct?

    asked on August 12, 2011
  67. Algebra

    Can you tell me if these are correct? I am not sure that I understand this. 1. Which is the solution for the determinant? |10 0)| 5 -7 Answer- -70? 2.Which is the solution for the determinant? |1 7)| 0 -3 Answer- -3

    asked on August 9, 2011
  68. English

    Here is my essay. Can you please check? I awake very groggy, to find myself on this very remote island with not a person in sight. Attached to my shirt is a letter written by my English teacher Ms. Barlett stating that I am heading down the wrong path to a

    asked on August 9, 2011
  69. Algebra

    Do I have the right answer? A store owner bought a machine that laminates cards. the machine cost $1000. Each laminated item costs the owner $.50, but he charges the customers $4.00 per item. how many cards must be laminated and sold before the owner makes

    asked on August 9, 2011
  70. Engllish

    Here it is. I still haven't come up with a wow ending sentence. Do I need to change my thesis statement in the 1st paragraph? I did change it in the last. I awake very groggy, to find myself on this very remote island with not a person in sight. Attached

    asked on August 9, 2011
  71. English

    Is this better? Paragraph 1&2 Can my thesis statement stay the same even though we changed it slightly? I awake very groggy, to find myself on this very remote island with not a person in sight. Attached to my shirt is a letter written by my English

    asked on August 9, 2011
  72. English

    Please let me know what you think? I have the 1st three paragraph Imagine being ripped from the bed by several strangers, blindfolded, handcuffed and thrown into the back of a car, sometime later a plane, and then a small boat. Willie awakes very druggy,

    asked on August 8, 2011
  73. English

    I am writing an 5 paragraph essay on being stranded on an island. I chose a narrative. How does this look so far? Thesis-It was at this moment that Willie realized the reason he had been sent to this whole new environment and now had to learn a new way of

    asked on August 8, 2011
  74. Algebra

    1. The input –output table is accurate. X Y+ 7 -5x -1 7-5(-1) =12 0 7-5(0) =7 1 7-5(1) =2 2 7-5(2) = -3 3 7-5(3) = -8 Answer- True

    asked on August 7, 2011
  75. Algebra

    1.What is the domain of this relation? domain range -3 3 -2 -6 -1 0,15 0 -6 1 -1 Answer- -3,-2,-1,0,1 2. Compare the quantity in Column A with the quantity in Column B Column A slope of y =3 Column B slope of x =3 Answer- The two quantities are equal 3.

    asked on August 7, 2011
  76. Algebra

    1. What is the mapping of? Domain Range -3 3 -2 -6 -1 0, 15 0 -6 1 -1 I needed to represent these with arrows, but I can't. a. relation b. linear function c. all of these d. none of these Answer- none of these 2. Re-write 2x - 3y < 6 in slope intercept

    asked on August 7, 2011
  77. Algebra

    1. Given g(x) = x^2 -x, find g (2/3). Answer- -2/9 2. The scatterplot of this data would suggest a Study Time (Min) 14 20 23 25 28 32 Test Score 60 67 68 70 72 73 Answer- positive correlation 3. The scatterplot of this data would suggest a # of cookies

    asked on August 7, 2011
  78. Algebra

    1.What is the shape of the graph of any linear function? Answer-line 2. Solve for x in |5x -2| >5 Answer- 2/3 < x

    asked on August 7, 2011
  79. English

    Is this a better thesis statement? The reason Willie was taken out of such a bad environment was to protect him from the mob, but it also ended up teaching him a new way of survival.

    asked on August 7, 2011
  80. Algebra

    1. Compare the quantity in Column A with the quantity in Column B. Column A slope of y = 2x +2 Column B slope of 2y = 3x +9 Answer-Column A is greater 2. |x-4| < 3 Answer- 1< x < 7 3. Solve for x in 3x + 4 =28 Answer-8 4. An algebraic ___________ has an

    asked on August 7, 2011
  81. Algebra

    1. What is the equation for the line that passes through the point (-5,2) and has a slope of 0? Answer-2 2. What is the slope of the line that passes through the points (-2, 4, 15) and (1, 1.24)? Answer- -2.91 3. Write a funciton rule for the table shown x

    asked on August 7, 2011
  82. Algebra

    2. Find the value of x^3 +2x^2 -3 when x =3 Answer-42 12. What type of correlation would you expect between the number of minutes a candle burns and the height of the candle? a. no correlation b. positive correlation c. negative correlation d. equal

    asked on August 7, 2011
  83. English

    I have to write a 5 paragraph essay on being sent to a desert island. Here is my thesis statement: Whoever would have guessed that the reason Willie was taken out of such a bad environment woud end up teaching him a new way of survival? How does this

    asked on August 7, 2011
  84. Algebra

    4. Compare the quantity in Column A with the quantity in Column B. Column A The solution of 2(x-3) = 6x Column B The solution of 3x + 2 + 5x + 6

    asked on August 7, 2011
  85. Algebra

    2. Find the value of x^3 + 2x^2 - 3 when x=3 Answer-42 4. Compare the quantity in Column A with the quantity in Column B. Column A Column B The solution of The solution of 2(x-3) = 6x 3x + 2 + 5x + 6

    asked on August 7, 2011
  86. Algebra

    Find the value of x^3+¡¼2x¡½^2-3 when x =3. I don't know how to type x to the 3rd power it keeps putting a little triangle there. How do I do this? When I type it here or in word it does the same thing. Help!

    asked on August 7, 2011
  87. Algebra

    I am trying to find out if my answer's are correct. Can someone please verify. What is the equation for the line that passes through the (-2,2) and has a slope of 5? Answer- Y=5x + 2 Y=5x +12 Y=5x -2 None of these ¨C I believe this is the answer Find the

    asked on August 7, 2011
  88. Algebra

    Are these answer"s correct? What is the equation for the line that passes through the (-2,2) and has a slope of 5? Answer- Y=5x + 2 Y=5x +12 Y=5x -2 None of these ¨C I believe this is the answer Find the value of x^3+¡¼2x¡½^2-3 when x =3. Answer- 42

    asked on August 6, 2011
  89. English

    I need to write notecards for the speech. How do I going about doing this?

    asked on August 6, 2011
  90. English

    Outline of my speech on Aggressive Driving. Is this correct? Topic- Aggressive Driving Introduction •Road Rage oInjuries and deaths oIncreasing road rage oGrowing epidemic •Aggressive Driving oDefinition oTypes Verbal Road Rage Quiet Road Rage

    asked on August 6, 2011
  91. English

    Here is my outline for my speech. How does it look? I know I need a better conclusion, I am just not sure exactly yet. Aggressive Driving Introduction • How many of you have turned on the news or opened a newspaper to find that another human being was

    asked on August 4, 2011
  92. English

    I have to write a speech on a pet peeve. I chose aggressive driving. Here is my introduction for the outline. Think? Aggressive Driving Introduction •How many of you have turned on the news or opened a newspaper to find that another human being was

    asked on August 3, 2011
  93. EnglishP

    I am writing a speech on aggressive driving. Here is my thesis statement: Proving that aggressive driving is a growing epidemic across our country is easy, but convincing drivers that there are better ways to handle “Road Rage” is a different story.

    asked on July 28, 2011
  94. English

    I changed it from moreover to and. Correct? They told him that he was never going to be anyone important because of a name like his, and because of the way he looked and dressed.

    asked on July 27, 2011
  95. engllish

    Even after achieving such wealth, Oliver has always remained true to himself and never allowed his beliefs to waver. Correct?

    asked on July 27, 2011
  96. English

    I have made the changes. Is this better? Thesis- The sloppily dressed, wealthy businessman, who now has the state-of-the-art mansion, but because of his penny pinching ways, no one would ever know it. Paragraph #2 Granted Oliver Toliver wasn’t a very

    asked on July 27, 2011
  97. English

    This is my first paragraph of my essay. Help! Imagine being given a name that every kid would make fun of and everyone always questioning “Why would your parents do such a thing?” The man knew the pros and cons of having such a very unusual name,

    asked on July 27, 2011
  98. English

    Broad Subject-Phonebook Character Limited Topic for Thesis Statement- Oliver Tolivr Main Idea- Wealthy Buisness Man Three Step Format #2 Appearance-Sloppily dressed #3 Surroundings-State of the art mansion #4 Actions-Penny pinching ways Thesis Statement:

    asked on July 26, 2011
  99. English

    Please let me know if this is correct? Broad Subject-Phonebook Character Limited Topic for Thesis Statement- Oliver Tolivr Main Idea- Wealthy Buisness Man Three Step Format #2 Appearance-Sloppily dressed #3 Surroundings-State of the art mansion #4

    asked on July 26, 2011
  100. english

    I needed to change my thesis statement(last sentence). It was too long. Please review. Imagine being 6’3” in the eighth grade and everyone in the school making comments about your height. There are definitely advantages and disadvantages to being tall.

    asked on July 19, 2011

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