Most popular questions and responses by Becky
  1. 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
  2. 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
  3. 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
  4. 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
  5. 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
  6. 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
  7. 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
  8. Science

    Multiplying Rabbits Suppose that a pair of rabbits produces six offsrping: 3 males and 3 females. Assumes that no offspring die. 1. If each pair of rabbits breeds only once, how many offspring would be produced each year for 5 generations? 2. Construct a

    asked on March 8, 2016
  9. 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
  10. 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
  11. 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
  12. 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
  13. 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
  14. Language Arts

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

    asked on May 11, 2016
  15. Chemistry

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

    asked on September 4, 2012
  16. 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
  17. Spanish

    The largest indigenous group in ecuador is ~Caranquí ~Pichincha ~Otaveleño ~Quechua

    asked on May 25, 2016
  18. 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
  19. 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
  20. Geometry

    7. What is the surface are of a conical grain storage tank that has a height of 37 meters and a diameter of 16 meters? Round the answer to the nearest square meter. 2,831 square meters 2,664 square meters 1,152 square meters 1,131 square meters

    asked on May 13, 2016
  21. Geometry

    9. what are the lateral area and the surface area of the cone shown below 14ft 17ft? ~LA=615.8 ft2; SA=1,803.3 ft2 ~LA=615.8 ft2; SA=3,166.7 ft2 ~LA=1,187.5 ft2; SA=1,803.3 ft2 ~LA=1,187.5 ft2; SA=3,166.7 ft2 12. Find the volume of the cylinder in terms of

    asked on May 27, 2016
  22. 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
  23. Calc 3

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

    asked on September 20, 2012
  24. 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
  25. 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
  26. 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
  27. 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
  28. American Government

    Which of the following individual actions most influences government and political decision making? B- voting in local and national elections.

    asked on March 7, 2017
  29. 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
  30. 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
  31. 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
  32. 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
  33. Health

    The term_____ refers to the bending movement around a joint. ~ Flexion ~ Endurance ~ Extension ~ Stretching

    asked on May 25, 2016
  34. Physics

    Hello can someone please help me with this physics question and show the work so I can understand? A box at the top of a rough incline possesses 981 joules more gravitational potential energy than it does at the bottom. As the box slides to the bottom of

    asked on February 9, 2016
  35. 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
  36. Pre-Calculus

    An Alfa Romeo going at 70 mph requires 169 feet to stop. Assuming that the stopping distance is proportional to the square of velocity, find the stopping distances required by an Alfa Romeo going at 35 mph and at 140 mph (its top speed).

    asked on February 3, 2013
  37. Science... plz help~!

    The popul Vuh indicates that the mayans valued

    asked on March 12, 2014
  38. English

    23. Choose one of the following questions to respond to. Your response should be at least two paragraphs long. Respond in a well-organized essay written in complete sentences. a. Explain the significance of the full title of the play: The Importance of

    asked on May 23, 2016
  39. Language Arts

    In Chapter 40, Sal receives the gift of a chicken from Ben. The chicken’s name is Blackberry. Explain the irony in Ben’s gift and the name that he gives it.

    asked on May 19, 2016
  40. 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
  41. please check(Social studies)

    please checkk 3. Mexico is building a stronger workforce by A.holding free elections B.permitting remissions C.eliminating competition D.investing in education(I PICK D.) if you answer i really hope your correct !

    asked on March 6, 2014
  42. Physics

    A satellite with an orbital period of exactly 24.0 h is always positioned over the same spot on Earth. This is known as a geosynchronous orbit. Television, communication, and weather satellites use geosynchronous orbits. At what distance would a satellite

    asked on March 29, 2011
  43. Physics

    To find the velocity and acceleration vectors for uniform circular motion and to recognize that this acceleration is the centripetal acceleration. Suppose that a particle's position is given by the following expression: r(t) = Rcos(omega*t)i +

    asked on November 13, 2009
  44. Science (Human Population Growth)

    How have advances in medicine and technology affected population growth?

    asked on May 9, 2014
  45. 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
  46. Calc 3

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

    asked on September 28, 2012
  47. 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
  48. Spanish

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

    asked on May 25, 2016
  49. 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
  50. 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
  51. 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

    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
  53. Language

    Full fathom five thy father lies; Of his bones are coral made; Those are pearls that were his eyes; Nothing of him that does fade, But doth suffer a sea-change Into something rich and strange. Sea-nymphs hourly ring his knell: Ding-dong, Hark! Now I hear

    asked on February 17, 2016
  54. science

    The contents of a can of air freshener are gaseous when sprayed, but remain a liquid while in the can due to ___.

    asked on May 4, 2016
  55. English

    In the Importance of Being Earnest, what is the function of the characters of Miss Prism and Chasuble? Respond in 3-5 sentences. Help please

    asked on May 23, 2016
  56. 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
  57. 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
  58. 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
  59. English

    7. In The Importance of Being Earnest, what leads Algernon to suspect that Ernest/jack is a Bunburyist? ~Algernon finds a handkerchief emboidered "Jack Worthing" in his friend's jacketpocket. ~Gwendolen tells him that his name is really Jack. ~He overhears

    asked on May 23, 2016
  60. 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
  61. 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
  62. 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
  63. Organic chemistry

    You are at isoelectric point for a solution of Leucine. If the number of negatively charged carboxyl ate groups, -COO-, is 1x10^19, how many positively charged amino groups, NH3+, would there be?

    asked on October 5, 2011
  64. American Government

    14. Read this quote from Alexander Hamilton. The interpretation of the laws is proper and peculiar province of the courts. A constitution is, in fact, and must be regarded by the judges as a fundamental law.... If there should happen to be an

    asked on October 11, 2016
  65. 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
  66. 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
  67. Calc 3

    A cooling tower for a nuclear reactor is to be constructed in the shape of a hyperboloid of one sheet. The diameter at the base is 300 m and the minimum diameter, 500 m above the base, is 200 m. Find an equation describing the shape of the tower in the

    asked on September 12, 2012
  68. English

    In The Importance of Being Earnest, Jack and Algernon clearly have a preoccupation with food. In this lesson, you explored the deeper meaning of this preoccupation. Using what you learned in this lesson and what you have read in the text, discuss how food

    asked on May 16, 2016
  69. Language

    if there is a smattering of applause at the end of a play what do you hear? Just a few people clapping Total silence Half the audience cheering Everyone clapping loudly•• Correct me

    asked on February 17, 2016
  70. Physics

    A car drives straight down toward the bottom of a valley and up the other side on a road whose bottom has a radius of curvature of 110m . At the very bottom, the normal force on the driver is twice his weight. At what speed was the car traveling?

    asked on October 20, 2014
  71. Physics

    A tennis player places a 58 kg ball machine on a frictionless surface, as shown below. The machine fires a 0.068 kg tennis ball horizontally with a velocity of 31.6 m/s toward the north. What is the final velocity of the machine? ______m/s to the south

    asked on March 21, 2011
  72. physics

    Given that the Moon's period about the Earth is 27.32 days and the distance from the Earth to the Moon is 3.84*10^8 m estimate the mass of the Earth. Assume the orbit is circular. Why do you suppose your estimate is high? The force of attraction=

    asked on January 8, 2007
  73. Physics

    A car drives at 15 m/s and has an air resistance force of 277 N. What is the air resistance force at 30 m/s? A truck drives at 9.7 m/s and has an air resistance force of 380 N. What is the air resistance force at 32 m/s? A 85.0 kg skydiver is falling at a

    asked on October 4, 2014
  74. American Government

    19. One of the main reasons the Founding Fathers created federalism was because they believed that *A- dividing power among the states and the national government would prevent any governmental entity from abusing its authority. *B- local governments, if

    asked on October 10, 2016
  75. physics

    An elevator has a mass of 500 kg. It may safely carry an additional mass of 1000kg and accelerate upward at 2m/s2. What is the tension in the cable?

    asked on April 14, 2013
  76. Calc 3

    Find the limit, if it exists. (If an answer does not exist, enter DNE.) lim (x, y)→(0, 0) of (x^2 + y^2)/[((x^2 + y^2 +64)^.5)-8]

    asked on September 14, 2012
  77. 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
  78. American Government

    Why is it easier for the prime minister of Britain to pass legislation than it is for the U.S. president? * The United Kingdom is a federal system where the prime minister is chosen by the British queen. This provides the prime minister the opportunity to

    asked on October 10, 2016
  79. 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
  80. 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
  81. Maths

    Let the inductive sequence (Un) be given by Un+1= 1/3Un +4, U0=2, the value of L which the sequence. Un=Un-L, is a geometric one is? a) L=6, b)L =8. c ) L=7 d) L=9

    asked on July 11, 2019
  82. Physics

    A trapeze artist weighs 8.00 x 10^2 N. The artist momentarily held to one side of a swing by a partner so that both of the swing ropes are at an angle of 30º with the vertical. In such a condition of static equilibrium, what is the horizontal force being

    asked on April 13, 2011
  83. Chemistry

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

    asked on July 14, 2011
  84. Statistics

    Women athletes at the a certain university have a long-term graduation rate of 67%. Over the past several years, a random sample of 39 women athletes at the school showed that 23 eventually graduated. Does this indicate that the population proportion

    asked on April 18, 2019
  85. SS

    tourism is essential to the economies of which two nations? A.haiti and the dominican republic B.haiti and jamaica C.haiti and the bahamas D.jamaica and the bahamas

    asked on March 12, 2014
  86. 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
  87. 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
  88. Amercian Government

    5. Which of the following actions best describes judicial powers in the Unites States? * the Supreme Court judges make new laws. *The president appoints Supreme Court judges. * Supreme Court judges serve in their positions for life. * The Supreme Court

    asked on October 6, 2016
  89. Physics

    A test rocket is fired vertically upward from a well. A catapult gives it an initial speed of 80.2 m/s at ground level. Its engines then fire and it accelerates upward at 4.20 m/s2 until it reaches an altitude of 960 m. At that point its engines fail, and

    asked on October 11, 2009
  90. science

    humans depend on natural resources for

    asked on May 9, 2014
  91. chemistry

    Fe2O3+ 3CO=2Fe+3Co2, suppose that 1.64kg of Fe are obtained from a 2.62kg sample of Fe2O3 (ore). assuming that the reaction goes to completion, what is the percent purity of the Fe2O3 in the original sample.

    asked on April 19, 2011
  92. Chemistry Check if its right XD

    Ok here is the problem but i only need help on part a XD i think i did it can you check my work? and tell me where i made the mistake? The space shuttle uses aluminum metal and ammonium perchlorate, NH4ClO4, in tis reusable booster rocket. The

    asked on January 9, 2007
  93. 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
  94. 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
  95. algebra

    How is adding radical expressions similar to adding polynomial expressions? How is it different? Provide a radical expression as an example.

    asked on February 17, 2008
  96. Math Question

    Which one of the following pairs of triangle must be similar? a) two isosceles triangles with congruent vertex angles b) two right triangles c) two scalene triangles with congruent bases d) two obtuse triangles a) if the two vertex angles are the same then

    asked on March 4, 2007
  97. physics

    A coin is placed on a vinyl stereo record that is making 78 revolutions per minute on a turntable. Find the magnitude of the acceleration when the coin is placed 5.0, 10, and 17 cm from the center of the record. The radius of Earth is about 6.38x10^3 km. A

    asked on December 13, 2010
  98. American Government

    1. How do parties typically ensure the good performance of their candidates? -They dictate how their candidate governs once he or she is in office. -They make sure their candidates are of good character and are qualified for public office. -They petition

    asked on November 9, 2016
  99. Grade 10 Math

    Tanesha needs to measure the height of a flagpole. She is 5'9" tall. She finds that if she stands 12 ft from the base of a flagpole, the top of her head touches the guy wire holding the flagpole up. The guy wire is anchored 15 ft from the base of the pole.

    asked on September 19, 2016
  100. 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


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