Popular questions and responses by Becky
  1. biology

    Smooth edged leaves (S) dominant over rough edged leaves (s). Two plants heterozygous for smooth edged leaves are crossed. What proportion of the offspring are expected to be smooth edged leaves? a. 1/4 b. 1/2 c. 3/4 d. 1

    asked on February 23, 2010
  2. Chemistry

    1.42 g/cm^2 to mg/mm^2

    asked on September 4, 2012
  3. Math

    The volume of a sphere is increasing at a rate of 5 cm^3/s. Find the rate of change of its surface area when its volume is 500pi/3 cm^3.

    asked on March 1, 2014
  4. Math Question

    If two sides of a triangle have lengths 4 and 9, then the length of the third side may be any number a) less than 13 b) greater than 5 but less than 13 c) greater than 4 but less than 9 d) greater than 5 I suggest you draw this. It is not d, nor a. it is

    asked on March 4, 2007
  5. Calc 3 PLEASE HELP!!!!

    Find the maximum and minimum volumes of a rectangular box whose surface area is 1300 cm2 and whose total edge length is 200 cm.

    asked on October 4, 2012
  6. Chemistry

    Geologists can estimate the age of rocks by their uranium-238 content. The uranium is incorporated in the rock as it hardens and then decays with first-order kinetics and a half-life of 4.5 billion years. A rock is found to contain 82.7% of the amount of

    asked on October 10, 2013
  7. calc 3

    Use polar coordinates to find the limit. [If (r, θ) are polar coordinates of the point (x, y) with r ≥ 0, note that r → 0+ as (x, y) → (0, 0).] (If an answer does not exist, enter DNE.) lim (x, y)→(0, 0) [(3e^−x^2− y^2) − 3]/ (x^2 + y^2)

    asked on September 17, 2012
  8. Geometry

    3. A department store sells small boxes in which customers can store potpourri. The diagram below shows one of the boxes. The diagram is not drawn to scale. 3.12cm, 17cm, 5cm What are the laretal area and the surface area of the box to the nearest whole

    asked on May 13, 2016
  9. Health

    _____ is an eating disorder that is characterized by an irrational obsession about gaining weight in which the person severely limits the food he or she eats.?

    asked on May 12, 2016
  10. Calc 3

    At what point on the paraboloid y = x2 + z2 is the tangent plane parallel to the plane 7x + 2y + 3z = 2? (If an answer does not exist, enter DNE.)

    asked on September 27, 2012

    A 3.0-uF capacitor and a 4.0-uF capacitor are connected in series across a 40.0-V battery. A 10.0-uF capacitor is also connected directly across the battery terminals. Find the total charge that the battery delivers to the capacitors. I NEED HELP WITH THIS

    asked on April 1, 2008
  12. Calc 3

    Find all partial derivatives? v = (xy)/(x-y) vxx= vxy= vyx= vyy=

    asked on September 20, 2012
  13. Geometry

    32. What is the maximum volume of a square pyramid that can fit inside a cube with a side length of 18cm? 5,832 cm3 2,916 cm3 1,944 cm3 972 cm3

    asked on May 13, 2016
  14. PreCalculus

    Sin5x cos2x + cos5x sin2x=

    asked on May 13, 2013
  15. English

    1. What state of mind is not associated with theater of the absurd? ~anxiety ~contentment ~wonder 2. Which of the following words is the best synonym for effrontery? ~confidence ~obedience ~shame 3. In "The Importance of Being Earnest,"how does Algernon

    asked on May 16, 2016
  16. Biology

    1. What are protists? (1 point) prokaryotes that are part of domain Archaea eukaryotes that are not part of the plant, animal, or fungi kingdoms single-celled organisms that belong to the plant, animal, and fungi kingdoms single-celled eukaryotes that are

    asked on May 16, 2016
  17. Geometry

    6. Find the surface area of the regular pyramid shown to the nearest whole number. The figure is not drawn to scale. 15m, 7.5 over 3m, 12m 862m3 540m2 1,125m2 647m2

    asked on May 13, 2016
  18. Algebra

    In 1972 federal vehicle emission standards allowed 3.4 hydrocarbons released per mile driven. By 2007 the standards allowed only 0.8 hydrocarbons per mile driven. What was the rate of change from 1972 to 2007?

    asked on January 16, 2017
  19. math

    A steel post is 6 ft. long and 6" thick in diameter. If a cubic foot of steel weighs 490 lb., how much does the rod weigh (to the nearest pound)?

    asked on June 24, 2014
  20. Chemistry

    SO3 can be produced in the following two-step process: FeS2 + O2 ---> Fe2O3 + SO2 S02 + O2 ----> SO3 Assuming that all the FeS2 reacts, how many grams of SO3 are produced when 20.0 g of the FeS2 reacts with 16.0 g of O2?

    asked on April 28, 2009
  21. Algebra 2

    Given: 11-pound mixture of peanuts, almonds, and raisins Cost: peanuts - 1.5 per pound almonds - 3 per pound raisins - 1.5 per pound mixture: twice as many peanuts as almond; total cost of mixture is 21. a + p + r = 11 lbs a + 2a + r = 11 lbs 3a + r = 11 r

    asked on October 20, 2016
  22. Physics

    Blood flow rates in the umbilical cord can be found by measuring the Doppler shift of the ultrasound signal reflected by the red blood cells. If the source emits a frequency f, what is the measured reflected frequency fR? Assume that all of the red blood

    asked on January 13, 2016
  23. American Government

    3. Which of the following statements about the president's judicial powers are true? Select all that apply. A- The president's amnesty power pardons those who have violated the law. B- The president's can pardon himself from impeachment C- The president's

    asked on December 6, 2016
  24. Geometry

    5. Find the surface area of the cylinder to the nearest whole number. The figure is not drawn to scale. 11in, 13in 1,696in2 898in2 5,862in2 2,959in2

    asked on May 13, 2016
  25. Geometry

    4. Use formulas to find the lateral area and surface area of the given prism. Round your answer to the nearest whole number. The figure is not drawn to scale. 9.49m, 37m, 9m, 3m 795m2; 809m2 758m2; 849m2 795m2; 822m2 758m2; 822m2

    asked on May 13, 2016
  26. Pre-Calculus

    The exponential function y(x)=Ce^ax satisfies the conditions y(0)=6 and y(1)=7. (a) Find the constants C and a. Enter the exact value of a. (b) Find y(2). Enter the exact answer. Simplify the answer so it does not contain any logarithms.

    asked on January 28, 2013
  27. calc 3

    Use the Chain Rule to find dw/dt. w = ln (x^2 + y^2 + z^2)^.5 , x = 9 sin t, y = 6 cos t, z = 7 tan t

    asked on September 20, 2012
  28. Math

    Find the simple interest. Round your answer to the nearest cent. Principal = $900 Rate = 4% Time in years = 3 Is this correct: 900*0.04=36 36*3=108.00 Then my next question is when you round to the nearest unit is it the same as regular rounding. 335.42

    asked on May 29, 2010
  29. Biology

    1. All fungi are ~photosynthetic ~heterotrophic ~autotropic ~parasitic 2. What structure is missing in the fungal hypae shown on the right side of Figure 21-5? ~cell walls ~cross walls ~nuclei ~cytoplasm 3. Which of the following is true of fungi? ~Like

    asked on May 18, 2016
  30. Algerbra 1

    what are the excluded values? y+5/y^2+4y-32

    asked on July 21, 2014
  31. statistics

    What is the standard deviation of a normal distribution, whose mean is 35, in which an x-value of 23 has a z-score of -1.63?

    asked on October 13, 2011
  32. Math

    Of people who died in the US in recent years, 86% were white, 12% were black, and 2% were Asian. (This ignores a small number of deaths among other races.) Diabetes cause 2.8% of deaths among whites, 4.4% among blacks, and 3.5% among Asians. The

    asked on October 3, 2010
  33. chemistry

    By means of what single reagent could you distinguish between the following? (Tell what happens to each substance.) Solutions: AgNO3 and Zn(NO3)2 H2SO4 and HNO3 Ag(NH3)2Cl and AgNO3 Solids: AgCl and ZnCl2 AgCl and Hg2Cl2 PbCrO4 and K2CrO4

    asked on February 4, 2010
  34. HCR220

    HCR 220 week 6 Applying Level II HCPCS Modifiers can anyone help with this

    asked on November 2, 2009
  35. Math

    1. Sam solved the following problem: -4x + 5 > 29 -4x + 5 - 5 > 29 - 5 -4x > -24 -4x/-4 > -24/-4 x > 6 What were his two mistakes? (3 points)

    asked on January 10, 2020
  36. Geometry

    4. Use formulas to find the lateral area and surface area of the given prism. Round your answer to the nearest whole number. The figure is not drawn to scale. The bases are right triangles. top(8.94m) side(41m) bottom left corner(4m) bottom(8m). ~852 m2;

    asked on May 27, 2016
  37. Health

    A. Weaken if under stressful conditions for an extended period of time B. Physical ailment caused by stress C. Positive stress D. Releases by the liver to increase the body's energy E. Produce the hormones adrenaline and cortisol F. Emotional or physical

    asked on May 17, 2016
  38. Chemistry

    Why is the solubility of KHTar greater in a 0.10M NaNO3 solution than in distilled water?

    asked on July 14, 2011
  39. High School Chemistry

    10mL of 0.10M HCl is given. What is the pH? How many milliliters of 0.10M NaOH would be required to neutralize it? What is the pH of the neutralized solution? What would the pH of the solution be if you added 20mL of NaOH? Here's what I have so far: pH of

    asked on March 21, 2011
  40. Physics

    A 50.0 kg diver steps off a diving board and drops straight down into the water. The net force when in the water is an upward 1450 N. If the diver comes to rest 5.0 m below the water's surface, what is the total distance between the diving board and the

    asked on March 9, 2011
  41. geometry

    The ratio of the areas of two similar trapezoids is 1:9. What is the ratio of the lengths of their altitudes?

    asked on March 30, 2011
  42. algebra final, please help

    Solve (x+17)(x-20)(x+8)>0 The solution set is (x )? Use at least one inequality or compound inequality to express your answer. For answers with more than one inequality, separate the inequalities by a comma or the word 'or'. Type R is the answer is all

    asked on March 21, 2008
  43. chemisty help

    for the reaction shown, compute the theoretical yield of the product in grams for each of the following initial amounts of reactants. Ti + 2F2 to make TiF4 There are 3 sub questions for this. Help me out with one, then I'll try to figure out the rest.

    asked on March 1, 2007
  44. Math

    1. Find the product in simplest form 2/5 x 3/7 A. 14/15 B. 5/12 C. 6/35 D. 1/5 2. find the product in simplest form 9/10 x 5/7 A. 1 13/50 B. 9/14 C. 14/17 D. 4/7

    asked on December 31, 2016
  45. Algebra 2

    Lesson 4: Linear Programming Unit 4 Linear Systems 1. (B) 5,0 2. (A) 8,0 3. (B) 6,2 4. (C) P=6 5. (D) P=29/1/3 6. (C) C=633/1/3 7. (A) 3 trays of corn muffins and 2 trays of bran muffins 8. (C) P= 400 9. (B) C= 67,370 10. (A) P= 51 10/10 (100%)

    asked on October 18, 2016
  46. History

    Explain the ideological differences between the United States and the Soviet Union during the Cold War. What are TWO conflicts the United States and the Soviet Union became involved in during the Cold War?

    asked on May 27, 2016
  47. Spanish

    Which of the following countries is not part of Caribbean basin? ~Mexico ~Ecuador ~República Dominicna ~Cuba

    asked on May 25, 2016
  48. Language Arts

    what is "Happiness Is a Charming Charlie Brown at Orlando Rep" genre

    asked on May 11, 2016
  49. Language

    How do you know the underlined group of words is a dependent clause? Nancy pulled over to ask for directions because she was lost. //Because she was lost was underlined.// A. It can stand on its own as a complete sentence and starts with a conjunction. B.

    asked on February 17, 2016
  50. Art

    which is the best definition of the term symbolism? The use of an unknown image The practice of thinking in symbols The use of signs to give directions The use of symbols to represent ideas •• Correct me

    asked on February 17, 2016
  51. algerbra 1

    What are the excluded values? 2/x(x-3)

    asked on July 21, 2014
  52. Pre-Calculus

    For a boat to float in a tidal bay, the water must be at least 2.5 meters deep. The depth of the water around the boat, d(t), in meters, where t is measured in hours since midnight, is d(t)=5+4.6sin(0.5t) Use three decimal places in all intermediate

    asked on January 28, 2013
  53. Calc 3

    Find parametric equations for the tangent line to the curve of intersection of the paraboloid z = x2 + y2 and the ellipsoid 6x2 + 5y2 + 7z2 = 39 at the point (−1, 1, 2)

    asked on September 27, 2012
  54. physics

    A barge is hauled along a straight-line section of canal by two horses harnessed to tow ropes and walking along the tow paths on either side of the canal. Each horse pulls with a force of 540 N at an angle of 12° with the centerline of the canal. What is

    asked on September 19, 2012
  55. calc 3

    The magnitude of a velocity vector is called speed. Suppose that a wind is blowing from the direction N45°W at a speed of 40 km/h. (This means that the direction from which the wind blows is 45° west of the northerly direction.) A pilot is steering a

    asked on August 31, 2012
  56. physics

    Determine the velocity of a satellite orbiting Earth at a height of 3.2 x 10^3 meters.

    asked on March 1, 2012
  57. College Physics

    The top layer of your goose down sleeping bag has a thickness of 5.0 cm and a surface area of 1.0 m^2. When the outside temperature is -18 degrees celcius you lose 24 Cal/hr by heat conduction through the bag (which remains at a cozy 34 degrees celcius

    asked on October 7, 2011
  58. college prep math

    what is the least common denominator of (x-4/5x^2-14x-3)-(2x/10x^2-3x-1)+(7x-2/2x^2-7x+3)

    asked on March 3, 2011
  59. marketing

    ABC Technologies manufactures computer accessories, such as modems and network cards. Even though the company has several purchasing managers, the company president has final authority on all purchases over $500, including the selection of the supplier. In

    asked on January 30, 2011
  60. physics

    A planet is 400 times more massive than the earth, and its radius is 10 times that of the earth. The weight of an object on the surface of the planet is?

    asked on October 21, 2010
  61. University Physics II

    A 13.9 nC charge is located at position (x,y) = (1cm,2cm). A. At what (x,y) position is the electrical field -225,000i_hat N/C? B. At what (x,y) position is the electrical field (-161,000i_hat + 80,500j_hat) N/C? C. At what (x,y) position is the electrical

    asked on March 23, 2010
  62. Networking

    I need help with these questions 1. You are the network administrator for a company that has peer-to-peer network. How would the pieces and components of this network relate to each other? Define all the components of this type of network. 2. You are the

    asked on July 17, 2009
  63. analysis and design

    My project is upgrading a bathroom and this is what I need help with: Project Risk-list 5 factors and their potential impact for the project. Project Constaints-ex: triple constaints variable (cost,time/schedule and scope)are there any possible limitations

    asked on June 20, 2009
  64. Accounting

    Lear, Inc. has $800,000 in current assets, $350,000 of which are considered permanent current assets. In addition, the firm has $600,000 invested in fixed assets. a. Lear wishes to finance all fixed assets and half of its permanent current assets with

    asked on June 16, 2009
  65. algebra

    For the following equation, state the value of the discriminant and then describe the nature of the solutions. -2x^2+3x-7=0 What is the value of the discriminant? Which one of the statements below is correct? The equation has two imaginary solutions. The

    asked on March 21, 2008
  66. algebra

    Aki's Bicycle Design has determined that when x hundred bicycles are built, the average cost per bicycle =0.9x^2-1.7x+10.861, when C(x) is in hundreds of dollars. How many bicycles should the shop build to minimize the average cost per bicycle?

    asked on March 5, 2008
  67. algebra

    Find the perimeter of a polynomial with sides 3x 9 4x 6 6x+1 6

    asked on February 2, 2008
  68. Science

    Where is lantana located?

    asked on July 11, 2008
  69. chemistry

    what volume of chlorine is required to produce 25.4grams of copper II chloride at 18 degrees celsius and 2.13 atm

    asked on February 21, 2017
  70. Physical Science

    1. which of the following should be classified as a suspension? A. soda** B. sand in water C. glass D. milk 2. Which of the following is an of example of a chemical property? A. density B. flammability C. hardness** D. melting point 3. Which state of

    asked on October 20, 2016
  71. American Government

    12. Read this excerpt from the U.S. Constitution. To declare War, grant Letter of Marque and Reprisal, and make Rules concerning Captures on Land and Water; To raise and support Armies, but no Appropriation of money to that Use shall be for a longer Term

    asked on October 11, 2016
  72. ALGEBRA 2

    Insert ,or = to make the sentence true. -1/3 ___ -2/5

    asked on September 9, 2016
  73. math

    Express each of the following in terms of another angle between 0 degrees and 180 degrees a. sin 50 degrees b. sin 150 degrees c. cos 45 degrees d. cos 120 degrees please explain to me how to answer this question you don't have to answer it , but please

    asked on September 1, 2016
  74. Geometry

    31. What is the slant height of the cone to the nearest whole number? The figure is not drawn to scale. 23m and 12m 20m 22m 24m 26m

    asked on May 13, 2016
  75. Health

    1. Name the six basic nutrients needed by the body. What is each of their function? What types of foods might you find them in? How do they each benefit the body? 2. Define dehydration. Discuss the effects of dehydration on the body. What is a diuretic?

    asked on May 12, 2016
  76. science

    When exposed to the same amount of heat for the same amount of time, a 3 g sample of copper will experience a greater temperature change than a 12 g sample of copper due to its smaller ___.

    asked on May 4, 2016
  77. MATH

    if p varies inversely as the square of q and p=8 when q=4.find q when p=32

    asked on January 26, 2016
  78. Math

    A 4" by 6" photograph is in a frame 3/4" wide. What is the outer perimeter of the framed photograph?

    asked on November 28, 2015
  79. Math

    A certain club consists of 5 men and 6 women. a) How many ways are there to form a committee of 3 people and b) How many ways are there to form a committee consisting of 3 men and 4 women.

    asked on February 11, 2015
  80. universityofphoniex

    need help on finding research on health care innovacation

    asked on September 15, 2014
  81. social studies

    Latin America Unit 3 Test 1.Which is a key factor that affects the climate of mountainous Latin America? A.snow B.El nino C.elevation D.sea Breezes 2.which statement best describes the economies of central america? A.Central america's economy is dependent

    asked on May 9, 2014
  82. science

    humans depend on natural resources for

    asked on May 9, 2014
  83. help

    can someone help me out here? please and thanks How has Mexico's culture been shaped by conflict among different people?

    asked on March 6, 2014
  84. Sentence Agreement Errors

    What agreement error would this sentence be? One of the options concerning his future surgeries were discussed with him. Verb tense agreement error, subject/verb agreement error, pronoun agreement error, modifier placement error or parallel structure error

    asked on December 12, 2013
  85. chemistry

    What is the hydrogen ion concentration, in mol dm−3, when 2.00 g of sulfuric acid is dissolved in water to give 0.400 dm3 of solution? could you explain in a simple and clear way please because im not very good at chemistry. thanks in advance

    asked on May 19, 2013
  86. Physics (Algebra-based)

    A block starts at rest and slides down a frictionless track except for a small rough area on a horizontal section of the track.It leaves the track horizontally, flies through the air, and subsequently strikes the ground. gravity= 9.81 m/s^2.

    asked on April 6, 2013
  87. Calculus

    Find the derivative of m(x)=1/(x+1) by using the definition of the derivative.

    asked on February 12, 2013
  88. math

    how do you figure out the diameter of a pipe that is 40 feet high and holds 200000 gallons

    asked on October 23, 2012
  89. calc 3

    Question Find an equation of the set of all points equidistant from the points A(−2, 5, 2) and B(5, 1, −3).

    asked on August 30, 2012
  90. Algebra

    If two planes leave the same airport at 1:00 PM, how many miles apart will they be at 3:00 PM if one travels directly north at 150 mph and the other travels directly west at 200 mph? I understand that d = sqrt[300^2 + 400^2] d = sqrt[250,000] But im not

    asked on June 28, 2012
  91. Finance

    Carnation needs to buy a $12,500 part the part company is offering cash discount terms of 4/10, n30. Carnation has a tight cash flow, wants to discount a 180 day note dated February 12 with a maturity value of $10,300. Bank offers a discount rate of 6%.

    asked on June 6, 2012
  92. Math

    The weights of adult long-tongued fruit bats are known to be normally distributed with a mean of 20.22 grams and a standard deviation of 3.23 grams. What is the probability that a randomly selected bat will: a) weigh at most 15 grams? b) weigh less than 30

    asked on March 23, 2012
  93. math

    The weights of adult long-tongued fruit bats are known to be normally distributed with a mean of 20.22 grams and a standard deviation of 3.23 grams. What is the probability that a randomly selected bat will: a) weigh at most 15 grams? b) weigh less than 30

    asked on March 21, 2012
  94. Physics

    You are sitting at a baseball game when a foul ball comes in your direction. You prepare to catch it barehanded. In order to catch it safely, should you move your hands toward the ball, hold them still, or move them in the same direction as the moving

    asked on March 21, 2012
  95. Physics

    A ball is moving at 82 m/s when it hits a ball at rest which has a mass fours times as big as its own. The formally stationary ball leaves the collision with a speed of 7.5 m/s what is the final velocity of the first ball?

    asked on March 21, 2012
  96. physics

    Jessica, who mass is 55 kg, is 3.50 meters away from a 0.20 kg bag of Fig Newtons. What is the gravitational force between Jessica and the cookies?

    asked on March 1, 2012
  97. physics

    Many professional golfers can hit a golf ball 300 meters with a driver. The face of a driver and the swing pattern causes the ball to leave the club at around 18 degrees from the horizontal. Assuming the ball travels exactly 300 meters in the air before it

    asked on February 6, 2012
  98. AP Statistics

    Nurse practitioners are nurses with advanced qualifications who often act much like primary care physicians. Medical researchers wnat to design a study to compare the effectiveness of nurse practitioners and physicians. They recruit 1200 volunteer subjects

    asked on December 16, 2011
  99. chemistry

    .115 mol of solute is put in a container and water is added to give 250ml of solutrion. what is the molarity

    asked on November 4, 2011
  100. Chemistry

    How do you calculate the heat fusion of ice? I have the initial and final temperatures and volume of the water.

    asked on April 26, 2011


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