Newest questions and responses by Tammy
  1. Biology

    If 20% of the individuals in a population have sickle-cell anemia, according to the Hardy Weinberg equation, what proportion of the population should be sickle-cell carriers?

    asked on February 24, 2019
  2. Spanish

    Por or Para Tiene que terminar este proyecto (para) manana. Salio de la oficina (por) su casa. Are these sentences correct? Thanks

    asked on December 5, 2018
  3. Math

    What is the relationship between the point (4,7) and the vector (4,7)? Illustrate with a sketch.

    asked on August 29, 2018
  4. Math

    The line for the dunking machine was twice as long as the cake walk line. The line for the cake walk was half the length of the line for the hoop shoot. If there were 18 people in line for the hoop shoot, how many people were in the line for the dunking

    asked on August 22, 2018
  5. Math

    I need help solving systems using elimination 3 * -3y equals - 3 2x minus y equals -5 how do I do this do not know algebra

    asked on April 19, 2018
  6. Chemistry

    What volume in liter will be occupied by 162.3 g of carbon monoxide at 273k and 760 torr?

    asked on October 7, 2017
  7. Math

    On a map scale is shown is 1 inch equals 5 miles. If an island is 2.5 in.² on the map what is the actual area of the island

    asked on July 24, 2017
  8. Physics

    A ball is thrown straight up at 13.0 m/s near the edge of a 30.0-meter high cliff. The ball lands at the bottom of the cliff. a) What is the acceleration of the ball just after it is thrown (magnitude and direction)? b) What is the acceleration of the ball

    asked on July 21, 2017
  9. Math

    How you can quickly calculate the mean of the following test scores without adding the numbers. 76,73,78,75

    asked on April 29, 2017
  10. Math

    Megan read an average (mean) of 2 books a day for 4 days. How many books will Megan need to read on days five and six so that she can say that she read an average of 3 books a day over 6 days?

    asked on April 29, 2017
  11. algebra

    The denominator of a fraction is 3 more than twice the numerator. If both the numerator and denominator are decreased by 7 and the simplified result is 7/19 find the original fraction

    asked on March 30, 2017
  12. Chemistry

    Human blood contains glucose at a typical concentration of 0.100% (W/V). At this concentration, how many grams of glucose would be found in one liter of human blood?

    asked on March 12, 2017
  13. math

    Fred has 3 times as many dimes as quarters. How many dimes does he have if the value of all the coins is $3.85?

    asked on February 8, 2017
  14. statistics

    Janet has a jar with 8 gold marbles 12 silver marbles and 4 bronze marbles is she chooses two marbles without replacement, what is the probability that she chooses two silver marbles. I think the answer is 11/46 but not sure how to work the prboem

    asked on December 10, 2016
  15. Science

    Write the ionic equation for dissolution and the Ksp expression for PbC12.

    asked on December 7, 2016
  16. Math

    Let f(x)= -3x+4 and g(x)= -x^2 +4x+1. Find and simplify g(k)

    asked on December 6, 2016
  17. Math

    Give an example of a function from everyday life.(fill in blanks):______ depends on_____, so _____is a function of _______.

    asked on December 6, 2016
  18. Math

    Simplify each expression. Sqrt of 128m^3n^5/sqrt of 81mn^7

    asked on December 6, 2016
  19. Chemistry

    Among the solubility rules previously discussed is the statement: Carbonates, phosphates, borates, and arsenates—except those of the ammonium ion and the alkali metals—are insoluble. (a) Write the expression for the equilibrium constant for the

    asked on November 27, 2016
  20. Math

    If driving 50 mph how fast would the person 1 mile behind them have drive to catch up with them

    asked on November 14, 2016
  21. Physical science

    What is the wavelength of a standing wave in cm, if the separation between two adjacent nodes is 13.7cm?

    asked on October 1, 2016
  22. algebra

    I have a rebus puzzle it says THRU in bold print and AND in regular print THRU AND PLEASE HELP! !

    asked on September 17, 2016
  23. Chemistry

    Write the equation for the reaction of iron and oxygen. Label the oxidizing reagent, the reducing agent, the reduced element, and the oxidized element.

    asked on June 17, 2016
  24. College Algebra II

    The midpoint of the line segment from P1 to P2 is (-1,3) if P1 is (-5,2) what is P2

    asked on June 11, 2016
  25. Quantative reasoning

    Write the formula for the total cost of renting a full-sized car when the unlimited mileage charge is added.

    asked on June 9, 2016
  26. Chemistry

    In the production of carbon disulfide (CS2), carbon (C) and sulfur dioxide (SO2) are reacted. If 8.00 g of sulfur dioxide reacts, how many moles of carbon dioxide are produced?

    asked on April 26, 2016
  27. stat

    smith is a weld inspector at a ship yard. he knows from keeping track of good and substandard welds that for the afternoon shift 5% of all welds done will be substandard. If smith checks 300 of the 7500 welds completed that shift, what is the probability

    asked on April 21, 2016
  28. Math

    A 20 foot piece of rope will be cut into as many 3 and 1\2 foot section as possible. how much rope will be left over?

    asked on April 19, 2016
  29. chemistry

    How many joules of heat are removed to completely covert 70.0 grams of water to ice at zero Celcius?

    asked on April 11, 2016
  30. chemistry

    How many moles of gas must be forced into a 5.0 L tire to give it a gauge pressure of 33.6 psi at 28 ∘C? The gauge pressure is relative to atmospheric pressure. Assume that atmospheric pressure is 14.8 psi so that the total pressure in the tire is 48.4

    asked on April 9, 2016
  31. Math

    50 lbs of oats @$2 a pound = how much

    asked on March 12, 2016
  32. Chemistry

    how to write a balanced equation for the following reactions with amounts of released or absorbed heat expressed in numbers within the equation 1 mole of methane with O2 yields CO2 and H2O and releases 213 kcal of heat

    asked on October 28, 2015
  33. astronomy

    what is the altitude which you'll find 99% of the atmosphere's mass? Assume P=1 atm, atmosphere T=290 K and the atmosphere is mostly N2.

    asked on October 25, 2015
  34. Math

    What did the baby buzzard say when it saw an orange in the nest I got misspelled jumbo

    asked on October 21, 2015
  35. calculus

    Find the area bounded by the curve y=1/2+2, the x-axis, and the lines x=1 and x=4. a.7 1/2 b.10 2/3 c.16 d.28 1/2

    asked on September 2, 2015
  36. IDOC

    1/b (2b-10)=17

    asked on May 5, 2015
  37. Chemistry

    consider the reaction at 298K. 2H2S(eq) + SO2-----3S(s) + 2H2O (g). Calculate Grxn under these conditions. PH2S=2atm Pso2 =1.5 atm PH2O + 0.01atm

    asked on May 1, 2015
  38. Middle Math

    My math calculator prompted me with this question 6E-7. My answer to this question is 0.00000007

    asked on March 30, 2015
  39. science

    I'm doing a lab for Le Chatelier's Principle. I'm concerned that all my answers sound very similar. Can someone help me and let me know if my answers are making sense? ~Thanks 1.) How is the reaction Zn(OH)2 Zn^+2 + 2OH- affected by adding OH- I think

    asked on March 20, 2015
  40. math

    Susie uses 1/2 to help compare 1/3 to 3/5 and to help in comparing 3/7 with 2/3. Explain how 1/2 help determine which fraction is greater in each combination.

    asked on March 3, 2015
  41. algebra

    two planes which are 1695 miles apart fly towards each other,their speeds differ by 65 mph,if they pass each other in 3 hours, what is the speed of each

    asked on February 26, 2015
  42. algebra

    A 24 meters pole is held by a three guy wire into vertical position. Two of the guy wires are of equal length. The third wire is 5 meters longer than the other two and is attached to the ground 11 meters farther from the foot of the pole than the two equal

    asked on February 23, 2015
  43. Algerba

    A newspaper carrier has %5.75 in change. He has ten more quarters than dimes but two times as many nickles as quarters. how many coins of each type does he have?

    asked on February 14, 2015
  44. math

    Emily spent 1/2 of her money at the grocery store. Then, she spent 1/2 of what was left at the baker. Next she spent 1/2 of what was left on a cd. She spent the remaining $6.00 on lunch. How much money did she start with ?

    asked on January 20, 2015
  45. Business Math

    Compute Brianna's estimated tax payment for the third quarter. She is self-employed and she expects to earn $84,400 this year. Her estimated income tax rate is 22%. For self-employed persons, social security tax is 12.4% of wages up to $106,800, and

    asked on December 9, 2014
  46. Business Math

    Using the dating method, calculate the discount date and the net date. Unless otherwise specified, the net date is 20 days after the discount date: The date of invoice is April 6th, Terms of sale is 2/10, EOM. What is the Discount date? What is the Net

    asked on December 5, 2014
  47. Math

    jody has a rectangular piece of fabric 7/8 yard long and 4/5 yard wide. What is the area of the piece of fabric

    asked on November 17, 2014
  48. Intro to Chemistry

    When calcium carbonate is added to hydrochloric acid, calcium chloride, carbon dioxide, and water are produced. CaCO3(s)+2HCl(aq)=CaCl2(aq)+H2O(l)+CO2(g) How many grams of calcium chloride will be produced when 27.0 g of calcium carbonate are combined with

    asked on November 10, 2014
  49. Intro to Chemistry

    Given the following chemical equation, determine how many grams of N2 are produced by 8.58 g of H2O2 and 5.62 g of N2H4. 2H2O2(l)+N2H4(l)=4H2O(g)+N2(g)

    asked on November 10, 2014
  50. finance

    Bill is a restaurant manager that falls into the 25% marginal bracket and pays an additional 5% for state taxes. He has invested 20,000 in corporate bonds which is currently earning a annual return of 7.5%. What is the after tax return on bill's corporate

    asked on October 21, 2014
  51. judicial system

    Explain how a defendant may be processed through The Missouri judicial system. I have searched the internet and I can not information on this.

    asked on October 20, 2014
  52. Law

    •When should a status offense become a delinquent act?

    asked on October 19, 2014
  53. physics

    5pi over 4

    asked on September 27, 2014
  54. math

    In October, a HARDWARE STORE purchased snow shovels for $8 each. The original markup was 50% based on the selling price. In December, the store had a sale and marked down the shovels by 20%. By January 1, the sale was over and the shovels were marked up

    asked on August 25, 2014
  55. Chemistry

    Write an equation for the reaction that takes place when each base is added to water. A) LiOH B) (CH3)2NH.

    asked on July 11, 2014
  56. english 4

    I need to identify the subject, verb, and any complements (direct object, indirect object, subject complement, objective complement) and the prepositional phrases of the following sentances. Those mustard pickles are to sour for me.

    asked on May 29, 2014
  57. Biology

    How many calories are required to heat 10 ml of water from 25 degrees Celsius to 35 degrees Celsius?

    asked on April 13, 2014
  58. personal finance

    If you believe that a firm will grow rapidly in the future, you should buy its? a. common stock b. notes c.preferred stock d. notes

    asked on April 11, 2014
  59. Statistics

    The height of a certain species of a tree are normally distributed with a mean of 30ft and stand dev of 4ft. If a random sample of 16 of these trees is taken, what is the probability that the sample mean is less than 32fy?

    asked on April 5, 2014
  60. chemistry

    how many mL of 1M HCL is used to make: 100mL of 0.1M hcl 250Ml OF 0.5M hcl 10Ml OF 0.01m hcl

    asked on March 29, 2014
  61. personal finance

    The interest rate is composed of _____ and the ______? a. risk-free rate,risk discount b.risk free rate, risk premium c.risk free rate, default risk premium d. none of the above

    asked on March 27, 2014
  62. Statistics

    List five numbers for which the sample mean is 30 and not all numbers are equal and would have a mean of 30 but all numbers are equal

    asked on March 9, 2014
  63. algebra

    Solve the compound inequality graph solution 6x-410

    asked on February 25, 2014
  64. algebra

    Solve the inequality graph solution 5r+4

    asked on February 25, 2014
  65. algebra

    Solve the equation or formula for the indicated variable S=5rTf foRT answers are T=s/5-r,, T=25r/s,, T=r2-5s,, T=s/5r2

    asked on February 25, 2014
  66. Billy the kid Essay

    Need Help Writing he body of my essay. approximately 550 to 750 words

    asked on February 24, 2014
  67. Texas Southern University

    In a respresentative study,a sample of n = 100 adolescents with a history of group participation is given a standardized self-esteem questionnaire. For the general po;ulation of adolescents, scores on this questionnaire form a normal distribution with a

    asked on February 6, 2014
  68. Finance

    You are given the choice of $4,000 in extra taxable income per year or a tax-exempt medical policy. The medical policy costs $300 per month. Your tax rate is 25%. Considering financial factors only, should you take the cash or the medical policy?

    asked on January 8, 2014
  69. math

    How does the phrase "send the base to the basement". refer to the change of base formula?

    asked on December 18, 2013
  70. History

    Which of the following was Eisenhower's most significant legislative achievement? A. The Highway Act of 1956 B. The establishment of modern Republicanism C. The extension of Social Security benefits D. Increasing the minimum wage

    asked on November 24, 2013
  71. Math

    Marlon has 4 baseball cards, Jake has 4 baseball cards and Sam has 3 baseball cards. Can you write a multiplication sentence to find how many baseball cards they have altogether? Explain.

    asked on November 12, 2013
  72. Physics

    A radio-controlled car increases its kinetic energy from 8 J to 10 J over a distance of 6 m. What was the average net force on the car during this interval?

    asked on November 8, 2013
  73. Physics

    A 0.5 kg air-hockey puck is initially at rest. What will its kinetic energy be after a net force of 0.8 N acts on it for a distance of 0.5 m?

    asked on November 8, 2013
  74. Physics

    What is the kinetic energy of a 1100 kg sports car traveling down the road with a speed of 22 m/s?

    asked on November 8, 2013
  75. Physics

    A man travels 7km due north,then 10km due east.find the resultant displacement.

    asked on November 5, 2013
  76. Algebra 1

    A man built a house costing 9 times as much as the lot on which it was built. If the lot cost $5, 000 less than 1/6 the cost of the house, what was the cost of each?

    asked on October 18, 2013
  77. Algebra 1

    The length of the shadow of a building is 2 feet more than 2/3 the height of the building and it is also 12 feet less than the height. How high is the building?

    asked on October 18, 2013
  78. Algebra 1

    A basketball team won 16 games, or 4 less than 2/3 of the games they played. Find the number of games they played.

    asked on October 18, 2013
  79. math

    The cost, y, of renting a canoe can be shown by y+12x + 30 where x is the time in hours. Identify the y intercept as an ordered pair and explain what it means in terms of the problem.

    asked on October 13, 2013
  80. STAT

    You want to determine if your widgets from machine 1 are the same as machine 2. Machine 1 has a sample mean of 5 and a population standard deviation 2 and a sample size of 4. Machine 2 has a sample mean of 10 and a population standard deviation of 2 with a

    asked on October 7, 2013
  81. STAT

    You want to determine if your widgets from machine 1 are the same as machine 2. Machine 1 has a sample mean of 15 and a sample standard deviation 6 and a sample size of 18. Machine 2 has a sample mean of 12 and a sample standard deviation of 6 with a

    asked on October 4, 2013
  82. physics

    A roller-coaster car with a mass of 550 kg starts at rest from a point 46 m above the ground. At point B, it is 23 m above the ground. [Express your answers in kilojoules (kJ).] (a) What is the initial potential energy of the car? Incorrect: Your answer is

    asked on September 28, 2013
  83. Physics

    a hockey puck slides across the ice at a rate of 11 m/sec and covers a distance of 70 meters. How long does it take the puck to travel 70 meters. also calculate the acceleration of the puck.

    asked on September 12, 2013
  84. English

    Which of the following statements about literary movements is not true?

    asked on September 10, 2013
  85. math

    Ned’s Sheds purchases building materials from Timber town Lumber for $3,700 with terms of 4/15, n/30. The invoice is dated October 17. Ned’s decides to send in a $2,000 partial payment. By what date must the partial payment be sent to take advantage of

    asked on August 30, 2013
  86. Intro to Healthcare Statistics

    Discuss how statistics are generated and how statistical information is used by healthcare organizations. Explore the NC State Center for Health Statistics at the following website and discuss at least two types of statistic health information that NC

    asked on August 25, 2013
  87. Business Math

    Three of every seven sales transactions at Dollar Discount are on credit cards. What percent of the transactions are NOT credit card sales? (Round percentages to the nearest tenth.)

    asked on August 15, 2013
  88. BUSN

    Can you reconcile the little things with the trends in customer relations? To help get started, identify and discuss several 'little things' and trends in customer relations.

    asked on July 29, 2013
  89. Sociology

    How can the Sociological Perspective help you in understanding the plight or condition of members in society who come from marginalized groups. i.e. African Americans, members of the LTGB community, women, Mexican Americans

    asked on June 4, 2013
  90. algebra

    A rectangle has length of 14x^4 and a width of 7x^3. Find the area in square units.

    asked on May 20, 2013
  91. algebra

    is this a arithmetic, or geometric sequence -96,-48,-24,-12,......

    asked on May 15, 2013
  92. math

    To select a _________ sample, the population is divided into disjoint subgroups according to some characteristics like income level, and then a few individuals are selected randomly from each of the subgroups to be in the sample. (Points : 1) (May choices

    asked on April 21, 2013
  93. math

    Find the vertex of the parabola. y = -2x2 + 12x - 13

    asked on April 7, 2013
  94. Math

    Simplify. (82 - 60) + [(-3 x 4) - 36÷4] 25 19 10 1

    asked on April 7, 2013
  95. Math

    Joe has $10,000 to purchase a used car. If the sales tax is 7% and the fee for title and license plates is $200, what is the maximum amount Joe can spend for a car? $9,158.88

    asked on April 7, 2013
  96. Math

    Upon examining the contents of 38 backpacks, it was found that 23 contained a black pen, 27 contained a blue pen, and 21 contained a pencil, 15 contained both a black pen and a blue pen, 12 contained both a black pen and a pencil, 18 contained both a blue

    asked on March 31, 2013
  97. Math

    In a group of 37 children, 14 had a dog, 20 had a cat, and 12 had both a dog and a cat. How many children had neither a dog nor a cat as a pet? 23 8 35 15 Is the answer 15? I think it is 15

    asked on March 31, 2013
  98. Math-Algebra

    The area of a rectangle is represented by 5x^2+19x+12. What is the length?

    asked on March 29, 2013
  99. Math

    All numbers in our real number system are the product of prime numbers. Complete the following steps for this discussion: 1. List the ages of two people in your life, one older than you and one younger than you. It would be best if the younger person was

    asked on March 28, 2013
  100. statistics

    Consider the probability that less than 13 out of 151 CDs will be defective. Assume the probability that a given CD will be defective is 12%

    asked on March 25, 2013


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