Popular questions and responses by Teresa
  1. chemistry

    Which of the following quantum numbers describes the shape of an orbital? A) principle quantum number (n) B) magnetic quantum number (ml) C) spin quantum number (ms) D) Schrodinger quantum number (S) E) (azithmal) angular momentum quantum number (l)

    asked on November 14, 2011
  2. algebra

    Joe's electric made 17 customer calls last wk and 23 calls this week. How many calls must be made next week in order to maintain an average of at least 21 calls per week for the three week period? At least blank calls must be made to maintain an average of

    asked on May 20, 2011
  3. Chemistry

    Iron has density 7.87 g/cm3. If 52.3 g of iron is added to 74.5 mL of water in a graduated cylinder, to what volume reading will the water level in the cylinder rise? mL

    asked on November 12, 2014

    Find the choice below which gives a first step in solving the given system of equations by the addition method 6x - 5y = 12 x + y = 3

    asked on February 23, 2012
  5. science

    There are three sources of resistance in a parallel circuit. Two of them are rated at 20 ohms, the other at 10 ohms. What is the circuits total resistance?

    asked on July 5, 2010
  6. geometry

    What is the probability of 2 randomly chosen angles being congruent in a general triangle?

    asked on March 22, 2010
  7. precal

    Find all solutions of the equation in the interval , 02π . =2sin2x−2cosx Write your answer in radians in terms of π . If there is more than one solution, separate them with commas.

    asked on August 8, 2016
  8. math

    find the height in feet of a ball after 6 seconds in the air. after one second the ball is 148 feet in the air; after 2 seconds it is 272 feet in the air

    asked on June 16, 2014
  9. math

    this investment require table factors for periods beyond the table. create the new table factor AND the present value for $100,000 (compound amount) for 50 years at a nominal rate of 5 percent with interest compounded annually thanks

    asked on May 15, 2014
  10. trig

    What is the period, amplitude and phase shift for: y=2sin(3x-pi)

    asked on March 2, 2010
  11. math

    A chef has a 2 3/8 pound salmon filet. He slices the filet into 4 oz servings. How many pounds is each serving? How many 4-oz servings can the chef create from the filet. How many ounces of salmon are left over?

    asked on October 16, 2017
  12. Mathematics

    A ship sails 50 km on a bearing of 70 degrees. How far North is it from its starting position.

    asked on February 17, 2017
  13. math

    The mass of a box with 6 tennis balls is 2 kg 40 g. The same box with 10 tennis balls is 3 kg 160 g. What is the mass of the empty box?

    asked on April 26, 2016
  14. Chemistry

    How many atoms of nitrogen are in 3.00g of N2O5?

    asked on October 27, 2014
  15. Business Math and Statistics

    You deposit $1,000 for 4 years at an interest rate of 2.0%. If the interest is compounded annually, how much money do you have after 4 years?

    asked on December 8, 2013
  16. Chemistry

    25.00 mL of heavy water (D2O where D is a hydrogen with a neutron in its nucleus) at 20 degrees C was pipetted into a 37.234 g beaker. The final mass of the beaker was 64.859 9 a- what is the density of heavy water at 20 degrees C b-The density of normal

    asked on September 20, 2012
  17. math

    from least to greatest, the perfect square factors of 3150 other than 1 are?

    asked on September 25, 2017
  18. math

    find the area of a squad that has sides of length 96 inches

    asked on June 29, 2016
  19. math

    ABCD is a rectangle of perimeter 48cm. AB=6 cm and CD=DE. What is the length of ABCD?

    asked on March 6, 2016
  20. Science

    How many traits are involved in a monohybrid cross? How many alleles are involved? What prevents the expression of a recessive allele? When gametes form, what happens to the alleles for each trait?

    asked on February 15, 2016
  21. Chemistry

    A sample of nitrogen gas is collected overwater at a temperature of 23◦C. What is the pressure of the nitrogen gas if the atmospheric pressure is 744 mmHg? Answer in units of mmHg. Not sure of formula for this

    asked on May 7, 2015
  22. Chemistry

    Merchants usually sell small nuts, washers, and bolts by weight (like jelly beans!) rather than by individually counting the items. Suppose a particular type of washer weighs 0.128 g on the average. What would 130. such washers weigh?

    asked on December 5, 2014
  23. Early Childhood

    Mrs. Bates watched David work a puzzle that he had chosen from the ones she put on the table. She listened and commented when David made guesses at the correct location for the pieces. This is an example of a/an __________ activity. A. structured B.

    asked on March 12, 2014
  24. algebra

    A certain kind of animal weighs about 77 pounds at birth and gains 2 pounds per day for the first few weeks. Determine those days for which the animal's weight is more than 129 pounds. The animal's weight is more than 129 pounds when the animal is more

    asked on May 20, 2011
  25. math


    asked on October 16, 2017
  26. mixed numerals

    Yesterday, Joe's Snack Shack went through 8 bottles of ketchup. If they used 1/5 as much mustard as ketchup, how many bottles of mustard did they go through?

    asked on January 1, 2017
  27. math

    At Laurita's bakery 3/5 of the baked goods are pies and the rest are cakes. 1/3 of the pies are coconut. 1/6 of the cakes are angel-food. What fraction of all of the baked goods at Laurita's Bakery are coconut pies? What fraction of all of the baked goods

    asked on March 16, 2016
  28. math

    Carla spends 6/4 hours exercising every day for 12 days. She spends 1/2 of exercise time every day lifting weights. How much time does Carla spend lifting weights during the 12 days?

    asked on December 2, 2015
  29. math

    Lily plants 80 seeds in her garden. Half of them are carrots. The rest are pumpkins and radishes. There are 6 more pumpkin seed than radish seeds. a. How many radish seeds are there? b. How many carrot and radish seeds does Lily plant?

    asked on November 2, 2015
  30. Chemistry

    At a deep-sea station 200.m below the surface of the Pacific Ocean, workers live in a highlypressurized environment. How much gas at STP must be compressed on the surface to fill the underwater environment with 1 × 107 L of gas at 16 atm? Assume that

    asked on May 7, 2015
  31. Chemistry

    According to his prelaboratory theoretical yield calculations, a student's experiment should have produced 1.41 g of magnesium oxide. When he weighed his product after reaction, only 1.33 g of magnesium oxide was present. What is the student's percent

    asked on December 6, 2014
  32. chemistry

    find the mass of water(H2O) needed to react with 150 grams of potassium(K)

    asked on October 27, 2014
  33. English

    To get in shape for a marathon, Shelby started running around the block a few times each morning.

    asked on February 27, 2019
  34. math

    Julian and Stacey needed 10 liters of water to fill a tank. Stacey filled the tank with 3 11/12 liters of water. Julian poured 1 2/5 liters less than Stacey into the tank. How much more water is still needed to fill the tank?

    asked on December 11, 2018
  35. math

    Donald is hiring employees for his new small business. He expects to produce 6 units per employee, and he expects demand to be at least 36 units per day. He plans to pay each employee a yearly salary of $50,000 and has a budget of $400,000 per year to pay

    asked on March 22, 2018
  36. math

    a music store gives every 20th customer a $5 gift card. Every 50th customer gets a $10 gift card. which customer will be the first to receive both types of gift cards?

    asked on September 21, 2017
  37. math

    at a parade, there are "m" women and 3 times as many men as women. There are 6,352 fewer children than men. Find the number of men and the number of children respectively in terms of m. If m = 7,145, how many peole are at the parade?

    asked on March 13, 2017
  38. math

    justin spends 7/9 of his homework time on math and social studies. He spends 4/7 of this time on math. What fraction of the total time does he spend on social studies?

    asked on January 17, 2017
  39. math

    James is painting his 10 by 8 foot bedroom wall that contains a 2 by 3 foot window. How many square feet of wall does he need to paint

    asked on November 15, 2016
  40. math

    michelle has some stamps. Her sister has half as many stamps as does. They have 1080 stamps in all. Home many stamps does Michelle have

    asked on October 19, 2016
  41. Algebra

    A bird leaves his nest and travels 20 miles per hour downward for x hours. On the return trip the bird travels 4 miles per hour slower and has six miles left after x hours. What is the distance of the entire trip? How long does the entire trip take

    asked on September 8, 2016
  42. math

    there are 8 people in a committee. each time they meet they shake hands with each other so that each person shakes everyones hand once each time they meet how many handshakes are there

    asked on June 1, 2016
  43. algebra

    How do I work this problem? m=-3, (4,5)

    asked on April 2, 2016
  44. math

    Grandpa Mick opened a pint of ice crew. He gave his youngest grandchild 1/5 of the ice cream and his middle grandchild 1/4 of the remaining ice cream. Then, he gave his oldest grandchild 1/3 of the ice cream that was left after serving the others. Who got

    asked on March 16, 2016
  45. Amercan Literature

    The yellow cane Alexandra finds at maries house is a symbol of

    asked on January 10, 2016
  46. math

    Riley told his mom that multiplying whole numbers by multiples of 10 was easy because you just count zeros in the factors and put them in the product... 7,000 x 600 = 4,200,000 Riley's mom said this strategy will not always works? Why not? Give example

    asked on November 10, 2015
  47. chemistry

    Can somebody please answer my question.

    asked on December 6, 2014
  48. Chemistry

    'calculate the mass in amu of 2.879 1023 xenon atoms'

    asked on December 6, 2014
  49. Math

    Find the z-scores that bound the middle 55% of the standard normal distribution ____ small value _____ larger value

    asked on May 11, 2013
  50. Math

    Find the z-scores that bound the middle 55% of the standard normal distribution ____ small value _____ larger value

    asked on May 11, 2013
  51. math

    how to solve this problem ln(x-4)=-3

    asked on April 12, 2013
  52. math

    express 16^21/2^7 - 5^12 in simplest fotm

    asked on January 16, 2013
  53. Physics help

    At 265 K, the pressure of 0.0454 mol of an ideal gas is 1.42×105 Pa. What volume does the gas occupy?

    asked on June 21, 2012
  54. physics

    A thin spherical shell of mass 4.00 kg and diameter 0.200 m is filled with helium (density ρ = 0.180 kg/m3). It is then released from rest on the bottom of a pool of water that is 4.00 m deep. (a) Neglecting frictional effects, show that the shell rises

    asked on January 26, 2012
  55. AP Calculus AB

    A river boat company offers a 4th of july trip to an organization with understanding that there will be at least 400 passengers. each ticket is $12, and company agrees to refund $.20 to every passenger for each 10 passengers in excess of 400. find the

    asked on November 12, 2011
  56. chemistry

    Given the following reaction and enthalpy change, calculate the amount of heat for converting 100.4g of liquid water (18.02g/mole) to a vapor? delta H= +44kJ

    asked on November 3, 2011
  57. Business Math

    Assuming the required RoR for an Investment is 12% and using an inflation rate of 3%, would you recommend the investment?Investment at year 0 = $8.5 million, Net income at years 1-5 is $1.5 million for each year.

    asked on September 28, 2011
  58. geometry

    Triangle ABC has vertices A(-3,2) B(4.5) AND C(4,-1) Fin out wether the triangle is isosceles?

    asked on April 15, 2011
  59. finance

    Calculate the after-tax cost of preferred stock for Bozeman-Western Airlines, Inc., which is planning to sell $10 million of $6.50 cumulative preferred stock to the public at a price of $50 a share. Issuance costs are estimated to be $2 a share. The

    asked on February 25, 2011
  60. finance

    When performing a capital budgeting analysis, interest expense included in the cash flows should be based on the current interest cost and not the historical cost of interest. Comment.

    asked on February 19, 2011
  61. Math

    if you roll a pair of fair six-sided number cubes, what is the probability of rolling two numbers whose sum is 2?

    asked on October 18, 2010
  62. english

    explanation and description no child left behind

    asked on May 24, 2010
  63. microbiology


    asked on May 8, 2010
  64. statistics

    In a population of exam scores, a score of X = 48 corresponds to z = +1.00 and a score of X = 36 corresponds to z = -0.50. Find the mean and standard deviation of the population.

    asked on March 17, 2010
  65. COMM 215

    1. The following word group is a FRAGMENT: That movie, one of my favorites.

    asked on January 8, 2010
  66. Language

    Seth has passed everyone in the race. What part of speech is "has passed"?

    asked on October 26, 2009
  67. More Acctg

    The supplies account had a beginning balance of $1245 and was debited for $2860 for supplies purchased during the year. Journalize the adjusting entry required at the end of the year assuming the amount of supplies on hand is $1349. I added the $2860 for

    asked on January 5, 2009
  68. math

    word scramble help, enitmelgens, reaoprddrie, gteernartha, ouoetrrsaq, girlteahng

    asked on September 5, 2007
  69. Pre algebra

    is 90.23 an irrational number?

    asked on December 6, 2019
  70. History

    Why were the members of the Third Estate dissatisfied with their way of life under the Old Regime?

    asked on November 5, 2019
  71. Pre-Algebra

    A(2,5), B(3,1)

    asked on January 31, 2019
  72. Math

    -5g - 6 for g = -2 A 4 B 16 C 10 D -13

    asked on November 2, 2018
  73. math

    A bus driver filled up 7/8 of her fuel tank for a trip. She used 6/7 of the fuel by the end of the trip. The capacity of her tank is 70 gallons. How much fuel did she use for the trip?

    asked on March 7, 2018
  74. math

    serio walked to and from school on 3/5 of the days in one month. He got a ride to school on 7/8 of the remaining days. On the remaining school day that month he stayed home with a cold. How many school days were there that month?

    asked on March 7, 2018
  75. math


    asked on October 30, 2017
  76. math

    The area of a rectangle is 3/5 square meter. The width is 2/5 meter. What is the length of the rectangle? How many times greater is the length that the width?

    asked on October 16, 2017
  77. calculus

    A water trough is 8m long and its cross-section is an isosceles triangle which is 60cm wide at the top, and the height is 60cm. The trough is not full. Give an expression for V, the volume of water in the trough in cm^3, when the depth of the water is d

    asked on October 15, 2017
  78. math

    at a supermarket, pineapple juice sells at $1 per pint (16 oz). Greg wants to buy eighteen 40-ounce cans of pineapple juice from the supermarket. How much does he has to pay altogether.

    asked on October 12, 2017
  79. math


    asked on October 11, 2017
  80. math

    in a jewelry store, rings make up 5/9 of the inventory. Earrings make up 4/15 of the inventory. How many times greater is the ring inventory than the earring inventory?

    asked on October 9, 2017
  81. math

    4/9 divided by 2/3 divided by 5/6

    asked on October 9, 2017
  82. math

    you have 120 pieces of fabric to make a blanket. each piece of fabric is a square with a side length of 6 inches. you use as many pieces of fabric as possible to screat a square blanket. What is the area of the blanket? How many pieces of fabric are left

    asked on September 25, 2017
  83. math

    what is the lowest common multiple of 32 and 40

    asked on September 21, 2017
  84. math

    a music store gives every 20th customer a $5 gift card. Every 50th customer gets a $10 gift card. which customer will be the first to receive both types of gift cards?

    asked on September 21, 2017
  85. math

    what is the lowest common multiple of 32 and 40

    asked on September 21, 2017
  86. math

    you are making identical gift bags using 24 candles and 36 bottles of lotion. What is the greatest number of gift bags you can make with no items left over.

    asked on September 19, 2017
  87. math


    asked on September 7, 2017
  88. science

    describe the relationship among energy absorption, heat energy, and temperature

    asked on September 5, 2017
  89. math

    6 - 17 - 4

    asked on August 30, 2017
  90. math

    -16 - (-12) + (-8)

    asked on August 30, 2017
  91. math

    The height of a picture is 4.3 feet when rounded to the nearest tenth of a foot. What is the shortest possible height of the picture. Give answer to 3 decimal places

    asked on May 8, 2017
  92. math

    six bags of baseballs weigh 0.5 kilograms each. The balls are then packed into 10 boxes. What is the total mass of the six bags of baseballs? What is the mass of each box? If each box costs $1.80, how much did the boxes cost altogether?

    asked on May 8, 2017
  93. math

    5/8 divided by y/9 = 1 1/8

    asked on April 25, 2017
  94. math

    Amber has a piece of licorie that is 10 feet long. She cuts it into three pieces for her friends. The 1st piece is 4.25 feet longer than the second piece. The 3rd piece is 2.24 feet longer than the second. How long is the 3rd piece?

    asked on February 12, 2017
  95. math

    Zach's rope is 15 feet long. He cuts it into three pieces. 1st piece is 3.57 ft longer than the 2nd piece. 3rd piece is 2.97 feet longer than the 2nd piece. How long is third piece?

    asked on February 12, 2017
  96. math

    ned folded a set of origami figures. Of this set, 5/8 are cranes and 1/6 of the remainder are frogs. The rest are grasshoppers. What fraction of the origami figures are grasshoppers?

    asked on January 18, 2017
  97. math

    Ben sells 7/12 of the pottery he made. Of the remaking pottery, 3/5 are vases and the rest are bowls. What fraction of all the pottery is the unsold bowls?

    asked on January 17, 2017
  98. math

    Mrs. Kong uses 1/3 of a stick of butter in a pie. She uses 5/8 of the remaining butter in a cake. What fraction of the stick of butter is left

    asked on January 17, 2017
  99. math

    maggie has 20 ribbons. Of them, 2/5 are polka dotted ribbons. How many ribs are not polka-dotted?

    asked on January 11, 2017
  100. math

    there are six different kinds of fruit pies in a baker. Each pie is the same size and is cut into 8 equal slices. Mr. Javier buys a slice of each pie. How many pies did Mr. Javier buy altogether

    asked on January 11, 2017


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