Please help

Most popular questions and responses by Please help
  1. Algebra

    1. What is the shape of the bases for the following polyhedron? A. Triangle B. Square C.rectangle D. Circle 2. What is the best name for the given solid figure? A. Rectangular pyramid B.rectangular cone C. Rectangular prism D. Rectangle 3. How many lateral

    asked on February 12, 2018
  2. Math

    1: Classify the quadrilateral using the name that best describes it I tried posting it but it didn't work 2: which statement is a true statement 3: which statement is a true statement 4: Which property is not a characteristic of a polygon 5: Which figure

    asked on January 19, 2018
  3. math

    Geoff planted dahlias in his garden. Dahlias have bulbs that divide and reproduce underground. In the first year, Geoff’s garden produced 4 bulbs. In the second year, it produced 8 bulbs, and in the third year, it produced 16 bulbs. If this pattern

    asked on February 12, 2015
  4. Social Studies

    what is the exact location of southwest asia a.west of china and east of the united states b.across the Atlantic Ocean c.near Europe and Africa d.between the Mediterranean and the Arabia Seas

    asked on February 10, 2015
  5. Math

    I don't understand this. on a blueprint, the length of a wall is 5 centimeters. if the actual length of the wall is 15 feet, what is the scale of the blueprint?

    asked on January 17, 2017
  6. MATH

    Write a ratio in simplified form of the vertical length to the horizontal length for the red triangle. 2 : 3 3 : 2*** 1 : 1 None of the above *** = my answer

    asked on March 13, 2019
  7. math

    The measure of angle A is 124 degrees. What is the correct classification for angle A? a. acute b. right c. obtuse d. straight I'm pretty sure it's c. Right?

    asked on May 22, 2016
  8. algebra

    the width of a poster board is 30 inches. using scissors you reduce the width of the poster board to 10 inches what is the scale factor of the dilation? a. 1/3 b. 1/10 c. 3 d.10

    asked on January 21, 2015
  9. science !!

    1. how do scientists classify stars? by size distance and color by size distance and brightness by color brightness and distance by size brightness and temperature 2. which of The following factors determines how long is Star will live a stars color stars

    asked on March 3, 2016
  10. Easy Math

    Draw a line with 3 distinct points on it. Label each with a different letter. How many different rays can you name using only three given points? a. 8 b. 6 c. 4 d. 2 Not quite sure. Could the answer possibly be four (c.)?

    asked on May 22, 2016
  11. Geometry

    Theorem: A line parallel to one side of a triangle divides the other two proportionately. In the figure below, segment DE is parallel to segment BC and segment EF is parallel to AB: The figure shows triangle ABC with segments DE and DF. Point D is on side

    asked on December 14, 2016
  12. art

    1. during which time period were artists keenly interested in using the golden ratio in their paintings a.Baroque period b.oriental period c.futuristic period d.renaissance period 2. what is the best definition for the term visual composition a. a

    asked on February 12, 2015
  13. English

    Choose two of the “other worlds” described in the unit. Compare and contrast the ways these other worlds impacted the real world for the characters. (paragraph)

    asked on November 20, 2018
  14. physics

    A ballet student with her arms and a leg extended spins with an initial rotational speed of 0.90rev/s . As she draws her arms and leg in toward her body, her rotational inertia becomes 0.80 kg⋅m2 and her rotational velocity is 4.1rev/s . Determine her

    asked on March 9, 2015
  15. help 8th grade social studies

    Explain how transportation innovations of the time period affected migration patterns in the United States. if anyone has anything to help that would be nice thank you

    asked on December 7, 2017
  16. Georgia State History

    Officials whose jobs are not provided for in the constitution but are required by law are known as__. A. constitutional officers B. secretaries of state C. deputies ** D statutory officials please check my answer :)

    asked on January 29, 2016
  17. english

    1. Which of the following is the correct definition of minerals. a. a naturally occurring, inorganic soild that has a crystal shape and a definite chemical composition. b. a naturally occurring , inorganic soild tha forms throught crystallization of melted

    asked on May 17, 2016
  18. history

    1.The bicameral organization of the Georgia legislature consists of ___ a. the House and Senate. b. the Supreme Court and the governor. c. districts and apportionment. d. senior and junior members.**** 2. Which of the following are true statements about

    asked on January 15, 2016
  19. Social studies

    Why did the soviet union want to prevent a united West Berlin. A It would allow west Germans to enter freely in east germany. B It would be considered a threat to the Soviet Union C It would draw valuable natural resources D It would make West Berlin

    asked on April 2, 2017
  20. math

    Can someone please help me/ Sal's Sandwich Shop sells wraps and sandwiches as part of its lunch specials. The profit on every sandwich is $2 and the profit on every wrap is $3. Sal made a profit of $1,470 from lunch specials last month. The equation 2x +

    asked on October 24, 2015
  21. Physics

    A 0.02 kg ball moving to the right at 0.25 m/s makes an elastic head-on collision with a 0.04 kg ball moving to the left at 0.15 m/s. After the collision, the smaller ball moves to the left at 0.16 m/s. What is the velocity of the 0.04 kg ball after

    asked on March 7, 2015

    Vernier gets his nickname from a religious magazine. **** a very dangerous chemical a very exact type of scale a simple heat experiment Thank you so much for your help

    asked on February 4, 2019
  23. Math

    Triagle abc is reflected over the y-axis what are the coordinates of the refected triangle describe in words what happens to the x coordinates and the y coordinates of the orignal triangle's vertices as a result of this reflection

    asked on March 22, 2016
  24. Math

    Find the complement and supplement of the angle shown. The picture is of an acute angle that is measured 52 degrees. How am I supposed to find the complement and supplement of the angle? Please help.

    asked on May 23, 2016
  25. chemistry

    Which answer choice correctly explains the role of the kinetic theory of matter in the process of solutes being dissolved into solvents? The continuous motion of the particles in the solvent and solute cause them to collide with one another, which results

    asked on September 12, 2017
  26. science

    Tom is making the locations of the active volcanoes on a world map. Explain how the locations of the volcanoes are related to earth's plates? please help me im begging you

    asked on May 19, 2016
  27. Geometry / Math

    Hi guys I need help ASAP, I have tried every thing I know about math and I cant figure any of them out. Thank you... _________________________________ 1. Use a formula to find the surface area of the square pyramid. (H.6ft.)(W.3ft.)(L.3ft.) A. 45 ft B. 81

    asked on February 15, 2016
  28. chemistry

    Ima Chemist found the density of Freon-11 (CFCl3) to be 5.58 g/L under her experimental conditions. Her measurements showed that the density of an unknown gas was 4.38 g/L under the same conditions. What is the molar mass of the unknown?

    asked on November 1, 2014
  29. physics

    The human lungs can function satisfactorily up to a limit where the pressure difference between the outside and inside of the lungs is 1/21 of an atmosphere. If a diver uses a snorkel for breathing, how far below the water can she swim? Assume the diver is

    asked on September 10, 2015
  30. English

    Read the following sentence: We should probably call the neighbors about that barking dog running through their yard. Which of the following correctly describes the verbal and its function in this sentence? Barking is a present participle describing the

    asked on December 13, 2016
  31. chemistry

    Examine the statement.  Substances dissolve through three processes: I. ionization II. dissociation III. dispersion  Which of the answer choices correctly lists the dissolving processes that change the identity of a substance? I and II II and III I,II

    asked on September 15, 2017
  32. Math

    You start a search for a buried object by marking the center of a filed as (0,0), with coordinates giving distances in yards. Coordinates to the north or east are positive and coordinates to the south or west are negative. You find nothing at (-12,8), so

    asked on May 15, 2016
  33. Please help Math

    If the corressponding angles of 2 polygons are congruent and the lengths of the corresponding sides of the polygons are proportional the polygons are.. a. Regular b. Congruent c. Symmetrix d. Similar

    asked on December 8, 2010
  34. chemistry

    Which of the statements correctly describes the reactivity of noble gases, according to the octet rule? They have eight electrons in their valence shell, so noble gases are very unreactive. They have eight electrons in their valence shell, so noble gases

    asked on August 29, 2017
  35. Statistics

    A total of 16 mice are sent down a maze, one by one. From previous experience, it is believed that the probability a mouse turns right is .38 a) What is the probability that exactly 8 of these 16 mice turn right? b) What is the probability that 8 or fewer

    asked on October 12, 2012
  36. physics

    The speedometer on an automobile measures the rotational speed of the axle and converts that to a linear speed of the car, assuming the car has 0.62-m-diameter tires. What is the rotational speed of the axle when the car is traveling at 26m/s ?

    asked on March 9, 2015
  37. Math

    I am terrible at ellipse The base of an auditorium is in the form of an ellipse 200ft long and 100 ft wide. A pin dropped near one focus can clearly be heard at the other focus. Determine the distance between the foci to the nearest tenth of a foot. Show

    asked on December 14, 2017
  38. english

    Which of the following sentences contain a linking verb? Sammy made lunch for us yesterday. +++ Would this be correct?

    asked on December 5, 2016
  39. chemistry

    Which of the solvents will be most effective at dissolving a nonpolar gas like methane? water, a polar solvent solid mercury hexane, a nonpolar solvent solid copper is it a?

    asked on September 15, 2017
  40. chemistry

    Liquid nitrogen, which has a boiling point of 77 K, is commonly used to cool substances to low temperatures. How much energy must be removed from 1.4 kg of gaseous nitrogen at 77 K for it to completely liquefy? Assume the latent heat of liquid nitrogen is

    asked on April 25, 2012
  41. chemistry!

    If the chemist mistakenly makes 275 mL of solution instead of the 200 mL, what molar concentration of sodium nitrate will the chemist have actually prepared? Answer in units of M

    asked on April 22, 2012
  42. chemistry

    Which way of dissolving does NOT change the chemical identity of the solute? disintegration dissociation ionization dispersion is it a?

    asked on September 12, 2017
  43. Language Arts

    Which of the following words best describes Mr. Birkway? a. adoring b. enthusiastic c. unrealistic d. outgoing I think it's D. (This is based on the Novel Walk Two Moons.)

    asked on June 8, 2016
  44. math

    the sides of a square are increased by a scale factor of 6. the perimeter of the smaller square is 10 ft . what is the perimeter of the larger square. a 2.5 ft b 10 ft c 60 ft d 120 ft

    asked on November 15, 2016
  45. Math

    Maya has 120 caramel apples to sell. Each caramel apple is covered with one topping. 1/5 of the caramel apples are covered with peanuts. 1/3 are covered with chocolate chips. 3/10 are covered with coconut. The rest are covered with sprinkles. How many

    asked on April 7, 2019
  46. Texas History

    Compare and contrast the fight for civil rights for Mexican Americans and African Americans? (4 points)

    asked on March 20, 2019
  47. science

    The work of which scientist(s) helped to explain light's ability to propagate through a vacuum? A. Maxwell ==B. Davisson and Germer C. Fresnel, Fraunhofer, and Arago D. Newton An object that has a height of 0.4 meter is placed at a distance of 0.7 meter

    asked on February 2, 2017
  48. physics

    How fast do you need to swing a 180-g ball at the end of a string in a horizontal circle of 0.6-m radius so that the string makes a 35∘ angle relative to the horizontal?

    asked on February 13, 2015
  49. math

    what are the first four terms of the sequence represented by the expression n(n - 1) -4

    asked on February 12, 2015
  50. Language arts

    What is the participial phrase in the sentence? Living in New York, he went to many fantastic Broadway plays. A. Living in New York B. He went to C. Many fantastic D. Broadway plays Mike was running quickly. Mike won the race. Which sentence best combines

    asked on May 12, 2015

    Three people play a game of "nonconformity": They each choose rock, paper, or scissors. If two of the three people choose the same symbol, and the third person chooses a different symbol, then the one who chose the different symbol wins. Otherwise, no one

    asked on November 25, 2012
  52. Language Arts

    The walrus and the carpenter The sun was shining on the sea Shining with all his might He did his very best to make the billows smooth and bright And this was odd because it was the middle of the night The moon was shining sulkily Because she thought the

    asked on March 22, 2019
  53. science

    which of the following is a chemical change a.boiling water b.melting a cube of ice c.dissolving 10 grams of salt in water d.splitting water into hydrogen and oxygen my answer: c

    asked on January 7, 2019
  54. English

    roxie 1. Choose the answer that best matches the word in italics. Use context clues to determine the meaning of the word, if necessary. The decorations were reminiscent of autumn leaves. (1 point) leftovers made reminders symbolic 2. Choose the answer that

    asked on November 7, 2016
  55. math

    1. add or subtract {4x^2+15x-3}-(3x^2+5) a.7x^2+15x-8** b.x^2+12x+2 c.x^2+15x-8 d.7x^2+8 2. Simplify the polynomial -3f^2+4f-3+8f^2+7f+1 a.5f^2-11f+2 b.11f^2+11f+2** c.5f^2+11f-2 d.-5f^2+11-2 3. Add or subtract (2x^2+6x+1)+(-7x^2+2x-3) a.5x^2-4x-2

    asked on May 13, 2016
  56. history

    Read the summary. Catholic reformers began working to rebuild the Church’s power base and neutralize Protestant criticism by convening at the Council of Trent (1). The Council condemned the practice of indulgences, which had made Martin Luther write his

    asked on November 8, 2018
  57. help please

    Devon's target heart rate zone is 140bpm—177bpm. Julian's target heart rate zone is 148bpm—181bpm. They stop running and take their pulse, and both count the heart rate at 173bpm. If they decrease their heart rates by 20bpm, who will be in his THR

    asked on October 5, 2014
  58. physics

    At most, how many bright fringes can be formed on either side of the central bright fringe when light of wavelength 656 nm falls on a double slit whose slit separation is 3.45 × 10-6 m?

    asked on March 28, 2013
  59. chemistry

    Examine the false statement. Weak acids always have a high pH. Select the rewording that makes the statement true strong acids always have a high pH weak acids always partially dissociate strong acids always have a low pH weak acids always fully dissociate

    asked on September 14, 2017
  60. physics

    Determine the change in rotational kinetic energy when the rotational velocity of the turntable of a stereo system increases from 0 to 33 rpm. Its rotational inertia is 6.8×10−3kg⋅m2 .

    asked on March 9, 2015
  61. Texas History

    Can someone tell me if this fits the question Mexican Americans were allowed to vote, unlike African Americans who didn't have the power to vote. Both have some things in common things they had discrimination and were separated in schools. Question-

    asked on March 20, 2019
  62. chemistry

    Examine the scenario. A magnesium (Mg) atom gives one electron to two atoms of another element, and takes on a 2+ charge. The two atoms of the other element each form a 1− charge. As a result, the magnesium ion and the two ions of the other element

    asked on August 30, 2017
  63. social studies

    What is a reason that market prices are not always the same as equilibrium prices? A) Market prices are often set by buyers rather than by sellers. B) Supply and demand are not well-understood by business owners. C) The equilibrium is not always the most

    asked on April 13, 2017

    Two wires have the same cross-sectional area and are joined end to end to form a single wire. The first wire has a temperature coefficient of resistivity of α1 =0.00603 (C°)-1 and a resistivity of 5.00 x 10-7Ω m. For the second, the temperature

    asked on January 26, 2013

    One night the King couldn't sleep, so he went down into the Royal kitchen, where he found a bowl full of mangoes. Being hungry, he took 1/6 of the mangoes. Later that same night, the Queen was hungry and couldn't sleep. She, too, found the mangoes and took

    asked on September 21, 2011
  66. science

    which of the following illustrates conduction as a mode of heat transfer 1 point a microwave oven produces electromagnetic waves that transfer to the food in the form of head ** leaving a metal spoon in a bowl of hot soup will make the spoon at a well

    asked on May 17, 2016
  67. Chemistry

    a) Determine how many molesof I3 are produced by 1 mole of Cu(IO3)2. b)Determine the stoichiometric ratio between iodate and thiosulfate. c)Determine the molar solubity expression for Cu(IO3)2 For C) I got ksp=[Cu2+][IO3-]^2 Is this correct?

    asked on July 15, 2015
  68. chemistry

    How does the saturation of a solution affect crystal formation?

    asked on September 14, 2017
  69. Physics

    A volleyball is served at an angle of 35 degrees with an initial speed of 5 m/s. What is the maximum height reached by the ball?

    asked on March 7, 2015
  70. Math

    Kerry’scomputerkeyboardis18incheslongand6 inches wide. Tim’s keyboard has the same lengthto-width ratio as Kerry’s. Tim’s keyboard is 12 inches long. How wide is Tim’s keyboard? A- 4 in B- 9 in C- 15in D- 36in Please help I am really confused.

    asked on April 3, 2019
  71. Social Studies

    9. What led Jane Addams to open hull house? -She believed that someone needed to help the clinically insane assimilate into society. -She believed in helping the urban poor, especially immigrants. -She believed that the public needed to know what the

    asked on March 7, 2017
  72. Social Studies

    Which of the following has the greatest impact on human settlement in Iraq? a. oil resources b. mountainous terrain c. coastal lands d. fresh water sources

    asked on January 16, 2015

    The highest recorded waterfall in the world is found at Angel Falls in Venezuela. Its longest single waterfall has a height of 807 m. If water at the top of the falls is at 16.7°C, what is the maximum temperature of the water at the bottom of the falls?

    asked on November 26, 2012
  74. AP physics c

    A helicopter lifts a 63 kg astronaut 10 m vertically from the ocean by means of a cable. The acceleration of the astronaut is g/10. (a) How much work is done on the astronaut by the force from the helicopter? Incorrect: Your answer is incorrect. J (b) How

    asked on October 10, 2013
  75. Social studies

    Which of the following primarily accounts for the spike in cuban immigration in the 60 A ongoing civil war in Cuba b changes in U.S immigration laws c communism takeover of the cuban government d rapid growth in cuban wealth and mobility I believe it's B

    asked on April 2, 2017
  76. Math

    A pool in the shape of a rectangular prism has a width of 8 1 2 feet (ft), a length of 12 ft, and a depth of 8 ft. What is the volume of the pool? A 102 ft3 B 532 ft3 C 816 ft3 D 1,728 ft

    asked on February 16, 2018
  77. science

    A geologist working in a national park finds a mineral. He is carrying a kit that contains a penny, a hard lens , a piece of tile a geologic hammer, and a jackknife. Describe how the geologist can use these items to determine some of the minerals

    asked on May 19, 2016
  78. chemistry

    What happens to the concentration of HI(g) when the total pressure on the equilibrium reaction 2HCl(g) + I2(s) 2HI(g) + Cl2(g) is increased (by compression)? 1. increases 2. Unable to determine 3. decreases 4. remains the same

    asked on March 28, 2012
  79. biology 9th grade

    The processess of photosynthesis and cellular respiration are both integral part of what biogeochemical cycle? A.Carbon cycle B.Nitrogen cycle C.Phosphorous D.cycle Water cycle

    asked on November 2, 2018
  80. math

    A ball is thrown into the air with an upword velocity of 36 ft/s. Its hight H in feet after t seconds is given by the function h=-16t^2+36t+9. In how many seconds does the ball reach its maximum height? Round to the nearest hundredth if necessary. What is

    asked on December 2, 2014
  81. Physics

    A frisbee is thrown horizontally with a speed of 12 m/s. If the frisbee moves a horizontal distance of 15 m, how long will it stay in the air?

    asked on March 7, 2015
  82. Physics

    A student is reading a lecture written on a blackboard. The lenses in her eyes have a refractive power of 59.82 diopters, and the lens-to-retina distance is 1.686 cm. (a) How far is the blackboard from her eyes? (b) If the writing on the blackboard is 4.81

    asked on March 24, 2013
  83. physics/optics

    Transpose the prescription -0.75DS/-3.25DCx30 to the toric form with a capstan-form surface which has a +2.50D base curve

    asked on November 26, 2012

    A 190-kg merry-go-round in the shape of a uniform, solid, horizontal disk of radius 1.50 m is set in motion by wrapping a rope about the rim of the disk and pulling on the rope. What constant force would have to be exerted on the rope to bring the

    asked on October 31, 2012
  85. chemistry

    In the reversible reaction in water solution NH3 + H2O NH4+ + OH− , what acts as a Bronsted-Lowry acid and what acts as a Bronsted-Lowry base? 1. H2O; NH4+ 2. H2O; OH− 3. OH−; NH4+ 4. NH3; H2O 5. OH−; H2O

    asked on April 3, 2012
  86. Math

    A group of friends went to lunch. The bill, before sales tax and tip, was $37.50. A sales tax of 8% was added. The group then tipped 18% on the amount after the sales tax was added. What was the amount, in dollars, of the sales tax? A $62.05 B $44.25 C

    asked on April 4, 2019
  87. MATH

    15. Write a function rule that represents y is 5 less than the product of 4 and x. 16. Write a function rule that represents 7 less than three fifths of b is a. 17. Write a function rule that represents the almond extract a remaining in an 8 oz bottle

    asked on January 29, 2018
  88. psychology

    Regarding eyewitness testimony, which of the following statements is TRUE? A. Most victims do not have an adequate weapon focus B. Victims certain of their testimony are usually more accurate C. Eyewitness testimony is generally very accurate D. Perception

    asked on January 22, 2016

    1. A rectangular package to be sent by a postal service can have a maximum combined length and girth (perimeter of a cross section) of 108 inches. Find the dimensions of the package of maximum volume that can be sent. (Assume the cross section is square.)

    asked on October 17, 2014
  90. physics

    1.4 mol of gas at a temperature of -170 degreed celcius fills a 2.9 L container. what is the gas pressure?

    asked on January 8, 2012
  91. chemistry

    Examine the scenario. Chemical Reaction A and Chemical Reaction B involve the same two reactants. Chemical Reaction A is performed in a hot container, while Chemical Reaction B is performed in a cold container. Which of the answer choices correctly

    asked on September 5, 2017
  92. Math

    Zach said he would help Stuart clean his room if Stuart flips a coin 4 times and gets heads all 4 times. What is the probability that Stuart will flip a coin 4 times and get heads all 4 times? Choices- A- 1/16 B- 1/8 C- 1/4 D- 1/2 I am super confused I

    asked on April 4, 2019
  93. chemistry

    CaCl2(aq)+ NaHCO3(aq) =CO2(g)+ CaCO3(aq)+ NaCl(aq) +H2O(l) could some one explain to me how to balance the equation? please

    asked on September 7, 2017
  94. History

    Hi can you guys check my answers? 1. During the election of 1824, which candidate won the popular vote and which candidate won the presidency? A. Andrew Jackson; John Quincy Adams**** B. Andrew Jackson; Andrew Jackson C. John Quincy Adam; John Quincy Adams

    asked on February 4, 2016
  95. chemistry

    Which of the following solvents would most effectively dissolve a nonpolar gas like methane? a polar solvent at 10°C a polar solvent at 35°C a nonpolar solvent at 35°C a nonpolar solvent at 10°C is it a?

    asked on September 13, 2017
  96. Physics

    Could you please check these? The work of which scientist(s) helped to explain light's ability to propagate through a vacuum? ++A. Maxwell B. Davisson and Germer C. Fresnel, Fraunhofer, and Arago D. Newton An object that has a height of 0.4 meter is placed

    asked on February 2, 2017
  97. Social Studies

    Why did Thomas Paine write the pamphlet, common sense?

    asked on October 30, 2016
  98. history

    1. what impact did the education improvement act of 1984 have on south carolina a. South carolina teachers were paid the most in the southeast b. the state's schools were ranked the lowest in the nation c. fewer students took high school exit exams d. the

    asked on May 16, 2016
  99. Math

    Jason has already used 3 1/1 cans of paint painting furniture. He is painting chairs that use 8 1/1 cans of paint. Let the total cans of paint used be represented by p. Let the number of chairs painted be represented by c. An equation that represents this

    asked on February 11, 2019
  100. Language Arts

    I need help thinking of 4 small problems in our world. I have to have 4 problems, solutions attempted to those problems and a problem solving invention. I really need help please and thank you.

    asked on February 7, 2019


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