# Jamie

Newest questions and responses by Jamie

Dominic pays 7%interest on his $22000 college loan and 13% interest on his$21000 car loan. What average interest rate does he pay on the total $43000 he owes? Round your answer to the nearest tenth of a percent. asked on December 16, 2018 2. ## Science What do the importance of water on earth? asked on November 29, 2018 3. ## Ecomonics What were the real and nominal wages of September 2018 to October 2018? asked on November 6, 2018 4. ## Chemistry - OChem Which of these compounds is more acidic: HOCl and HOBr According to electronegativity, it should be HOCl. But according to size, it should be HOBr... I know the right answer is HOCl from an answer key, but I don't understand why. When do you consult atom asked on September 28, 2018 5. ## History Can somebody put all of the events in American history (US) in order for me from The first English settlers in Massachusetts in 1620. Please help me. Jiskha asked on September 25, 2018 6. ## Spanish which statement is not true about the people of Colombia? a. Much of the population is concentrated in the Caribbean and Andes region. b. Around 99% of the country speaks Spanish. c. More than half of the population is mestizo. d. There are no longer any asked on September 24, 2018 7. ## Algebra 2 WILL UPVOTE!! Deandre is a software salesman. Let y represent his total pay (in dollars). Let x represent the number of copies of English is Fun he sells. Suppose that x and y are related by the equation 2400+70x=y What is the change in Deandre's total pay asked on August 26, 2018 8. ## Algebra 2 Deandre is a software salesman. Let y represent his total pay (in dollars). Let x represent the number of copies of English is Fun he sells. Suppose that x and y are related by the equation 2400+70x=y Answer the questions below. Note that a change can be asked on August 26, 2018 9. ## math -10=xy+z for x solve for x asked on August 26, 2018 10. ## Math The second angle of a triangle is 4 times as large as the first. The third angle is 130° more than the sum of the other two angles. Find the measure of the second angle. asked on May 30, 2018 11. ## spanish plz help!!!!! 4. which of the following id the basque word for a rowing competiton? A. Sokamuturra B. Etropadak C. Aizkora Proba*****????? asked on April 18, 2018 12. ## spanish plz help!!!!! 1. Which of the following is the Spanish word for "I" A. el B. tu C. yo **** 2. when you speak to someone older or a person in authority, which of the words would you use to address that person? A. tu B. usted***** C. yo 3.besides Spanish, what other asked on April 18, 2018 13. ## Physics A ball in the shape of a uniform spherical shell (like a soccer ball; I = 2/3 mr2) of mass 1.5 kg and radius 15 cm rolls down a 35 degree incline that is 6.0 m high, measured vertically. The ball starts from rest, and there is enough friction on the asked on April 16, 2018 14. ## Chemistry - Solubility Equilibria Calculate the concentration (in M) of Tl^+ when TlI just begins to precipitate from a solution that is 0.0315 M in I^−. (Ksp = 5.54 ✕ 10^−8) Do I just set up an ICE table for this? So it would be 5.54X10^-8 = (.0315+x)x? asked on March 29, 2018 15. ## Chemistry - Solubility Equilibria If the solubility of CaCO_3 in water at 25°C is 5.84 ✕ 10^−3 g/L, calculate the solubility-product constant (Ksp) of CaCO_3, assuming complete dissociation of the CaCO_3 that has dissolved. asked on March 29, 2018 16. ## Physics - I just need help with c I just need some clarification on part (c). Here's the whole problem for context: A uniform solid cylinder of mass 10 kg can rotate about a frictionless axle through its center O, as shown in the cross-sectional view in the figure. A rope wrapped around asked on March 26, 2018 17. ## Physics A uniform solid cylinder of mass 10 kg can rotate about a frictionless axle through its center. A rope wrapped around the outer radius R1 = 1.0 m exerts a force of magnitude F1 = 5.0 N to the right. A second rope wrapped around another section of radius R2 asked on March 26, 2018 18. ## Chemistry II What is [H3O+ ] (in M) in a solution of 0.078 M HBrO2 and 0.036 M NaBrO2? (Assume Kw = 1.01 ✕ 10^−14.) HBrO_2(aq) + H_2O(l) H_3O^+(aq) + BrO_2^−(aq); Ka = 3.7 ✕ 10−4 asked on March 12, 2018 19. ## Math The equation above shows how temperature F , measured in degrees Fahrenheit, relates to a temperature C , measured in degrees Celsius. Based on the equation, which of the following must be true? A temperature increase of 1 degree Fahrenheit is equivalent asked on March 8, 2018 20. ## Chemistry 2 - Acids and Bases Hydrazine (NH2NH2) is a weak base that ionizes in water as follows. NH2NH2(aq) + H2O(l) HNH2NH2^+(aq) + OH^−(aq) Calculate the concentration of OH^− ions in a 0.20 M solution of hydrazine, given that the base-dissociation constant (Kb) for hydrazine is asked on February 28, 2018 21. ## English Which of the following transitions shows a comparison? 1)although 2)however 3)just as 4)whereas I think #3 Thanks asked on February 15, 2018 22. ## social studies What was a direct result of the United States' fear that the Soviet Union would expand is power around the world? 1)World War II 2)the Cold War 3)communism 4)the Treaty of Versailles I think #2 Thank you. asked on February 15, 2018 23. ## social studies How did Russian settlers change Canada's Prairie Provinces? 1)by bring cooking pots 2)by inventing tools 3)by bringing hardy wheat from their homeland 4)by developing a new language I think 3 Thanks asked on February 14, 2018 24. ## Math What is the square root of 16? A) 3/17 B) sq25 C) 0.6 D) sq 33 I think C Thanks asked on February 13, 2018 25. ## social studies How do Canada's native people intend to preserve their culture? 1)by becoming independent nations 2)by moving away from reserves 3)by working with existing government 4)by using English on the street signs in their communities I think #1 Thank you asked on February 12, 2018 26. ## science What is mutation? 1.A mutation is a permanent change in the order of bases in the DNA. 2. A mutation is a permanent change in the way the cell carries out mitosis I think #1 Thanks asked on February 8, 2018 27. ## Math Erica made a poster in the shape of a quadrilateral that has only one pair of parallel sides. Which of the following names the shape of Erica's poster? 1)square 2)rhombus 3)rectangle 4)trapezoid I think# 4 asked on February 7, 2018 28. ## Science How does DNA determine a trait that determines eye color? 1)DNA codes for proteins that determine eye color. 2)DNA codes for mRSA that determines eye color. 3)DNA interacts with proteins to control eye color. 4) DNA contains pigments which make up eye asked on February 2, 2018 29. ## Math If line A is a perpendicular bisector of MN, then which of the following statements is NOT true? 1)line A and MN intersect at a right angle 2)line A splits MN into two congruent segments 3)MN splits line A into two congruent segments 4)line A intersects MN asked on February 1, 2018 30. ## Algebra The larger of two numbers is 11 more than twice the smaller number the sum of the numbers is 44 find each number asked on January 31, 2018 31. ## Science The height of a plant is dependent upon? 1)it's genes 2)it's environment 3)both it's genes and it's environment 4)neither it's genes nor it's environment I think #1 In humans, the allele for curly hair and the allele for straight hair show incomplete asked on January 25, 2018 32. ## Science A gene is to a chromosome as ? 1) a pea is to a pod 2)a front is to a back 3)a bike is to a car 4)a building is to a window I think # 1 Thanks. asked on January 25, 2018 33. ## Chemistry - Molecular Formula A carbohydrate contains 39.56% C, 7.75% H, and 52.70% O by mass. A solution of 11.3 g of this carbohydrate in 375 g of ethanol has a boiling point of 78.49 deg C. The boiling point of ethanol is 78.29 deg C, and Kb for ethanol is 1.23 deg C*kg/mol. What is asked on January 19, 2018 34. ## Chemistry II When a specific amount of propanol (C3H8O) is added to 110.0 g of pure water at 60°C, the vapor pressure of water over the solution is lowered by 1.596 kPa. Given the vapor pressure of water at 60°C is 19.932 kPa, what is the mass of propanol added? asked on January 16, 2018 35. ## Ms. Sue help Ms. Sue, I have posted 2 questions for ELA today but never got a response. Can you see if I made an error when I sent? Thank you, as always for your help. asked on January 4, 2018 36. ## ELA In the book "The Watsons Go to Birmingham 1963", which of the following events from the story most accurately represents the time period in which the story is set? 1) Mr. Watson nicknames his car the "Brown Bomber" 2)Larry Dunn uses shoe polish to make asked on January 4, 2018 37. ## ELA Choose the meaning that best matches the word in italics. After finding several errors, the author insisted that his book be pulled from the shelves until a version that was "amended" could be published. 1)abridged 2)expanded 3) revised 4)photographed I asked on January 4, 2018 38. ## social studies Geothermal is considered a ? 1)fossil fuel 2)renewable resource 3)nonrenewable resource 4)recyclable resource I think #2 Thanks asked on January 3, 2018 39. ## Physics A satellite orbits Neptune 4000km above its surface. given the mass of Neptune is 1.02x10^26 kg and the radius of Neptune is 2.48x10^7m, Calculate the orbital speed of the satellite asked on December 17, 2017 40. ## Science Which of the following is NOT a function of the skeletal system? 1)supports the body 2)works with other body systems to allow movement 3)manufactures new blood cells 4)sends signals to the brain I think #3. Can you check? Thanks asked on December 12, 2017 41. ## math ∠ABC and ∠ABD are a linear pair. Prove that m∠ABC + m∠ABD = 180°. paragraph proof asked on December 8, 2017 42. ## Science A hormone is under negative feedback regulation. This hormone stimulates water retention by the body. Which of the following will happen if water levels in the body get too high? 1) hormone levels will increase 2) hormone levels will decrease 3) antibodies asked on December 8, 2017 43. ## Science A man wakes from sleep, hears a strange noise, becomes alarmed and runs downstairs. Which of the following describes the corresponding events taking place in his nervous system ? 1)sensory neuron>spinal neuro>brain>motor neuron 2)sensory asked on December 6, 2017 44. ## Science Which of the following sets of terms could be used in a description of the peripheral nervous system? 1)motor neurons 2)brain and spinal cord 3)motor neurons 4)sensory neurons and spinal cord I think #1. Can you check? Thanks. asked on December 6, 2017 45. ## Math Write 3 16/25 as a percent. A)3.64% B)3.80% C)364% D)380% I think A. Can you check? THANKS asked on December 5, 2017 46. ## Physical Science A What daughter product is produced when thallium–206, an isotope of thallium, undergoes beta minus (β–) decay? asked on December 4, 2017 47. ## Math A recipe for 24 cookies calls for 6 tablespoons of sugar. If you make 36 cookies and use 10 tablespoons, will the cookies taste the same? Explain I know if 24 calls for 6 tablespoons and if the recipe is increased by 12cookies or 1/3, you will only need 9 asked on November 30, 2017 48. ## Math A machine takes 4.2 hours to make 7 parts. At that rate, how many parts can the machine make in 28.8 hours? Round answer. 1)48 parts 2)41 parts 3)172 parts 4)17 parts I think #1. Thanks asked on November 30, 2017 49. ## social studies The PUSH-PULL theory is used by scientists to explain? 1) how people fight 2)mountains 3)immigration 4)farming methods I think #3. Can you check? Thanks asked on November 30, 2017 50. ## Health and PE Alcohol is categorized as ? (2 of below) 1)drug 2)stimulant 3)a depressant 4)a carcinogen I think 1 and 3. Can you check? I could not find this in my lesson. Thanks. asked on November 27, 2017 51. ## Science Which word or phrase best describes the function of the urinary bladder? 1)filter 2)storage tank 3)blender 4)passageway I think #4, can you check for me? Thanks. asked on November 27, 2017 52. ## math Based on the information from Part 1, determine whether each statement is True or False. Statements True - True False - False Jasmine's best friend lives .25 inches past the camp, which is 240 total miles away. Jasmine covers .75 inches in the first hour, asked on November 26, 2017 53. ## math Jasmine is looking at a map to determine how many miles it is to the camp she will be attending this summer. The scale of the map is 14 inch = 20 miles. The total distance to the camp on the map is 2.75 inches. Which proportion shows how many miles it is asked on November 26, 2017 54. ## Science which of the following summarizes the function of the respiratory system? 1) transport oxygen to cells and wastes away from ells. 2)to protect the organs in the chest cavity. 3)to move oxygen from the air into the body and carbon dioxide from the body into asked on November 21, 2017 55. ## Science Which of the following describes the path of blood between the heart and the lungs? 1)heart-capillaries-veins-arteries-heart 2)heart-arteries-veins-capillaries-heart 3)heart-arteries-capillaries-veins-heart 4)heart-veins-capillaries-arteries-heart I think asked on November 20, 2017 56. ## Health and PE Oxygen enters the blood in the ? 1)bronchi 2)pharynx 3)larynx 4)alveoli I think #4 Thanks ! asked on November 16, 2017 57. ## social studies Which climate region dominates most of Northern Africa? 1)humid continental 2)highland 3)tundra 4)arid I think #4 after looking at the maps. Can you confirm? Thank you for your help. asked on November 15, 2017 58. ## Science Which of the following functions like a fulcrum in a lever? A:tendons connecting a muscle to a bone at a joint. B:ligaments connecting bones at a joint. C:two muscles working as a pair to move a joint. D: two bones meeting at a joint. I think the answer is asked on November 14, 2017 59. ## Physics A 1.45 kg book is sliding along a rough horizontal surface. At point A it is moving at 3.25 m/s , and at point B it has slowed to 1.34 m/s . Part A How much work was done on the book between A and B? Part B If -0.750 J of work is done on the book from B to asked on November 12, 2017 60. ## Physics A rope is tied to a box and used to pull the box 1.7 m along a horizontal floor. The rope makes an angle of 30∘ with the horizontal and has a tension of 5 N. The opposing friction force between the box and the floor is 1 N. Part A How much work does asked on November 12, 2017 61. ## Physics A tennis player hits a 58.0 g tennis ball so that it goes straight up and reaches a maximum height of 7.02 m . Part A How much work does gravity do on the ball on the way up? Part B How much work does gravity do on the ball on the way down? asked on November 12, 2017 62. ## Science What kind of substance does the following, reflects light, warms up in my hand, flattens out if hit with a hammer, conducts electricity? 1)nonmetal 2)metal 3)metalloid I think #3 asked on November 8, 2017 63. ## Geography Distortion on a map may change the shape of? 1)a globe 2)the equator 3)the Prime Meridian 4)some landmasses I think #4 asked on November 8, 2017 64. ## Geography The most accurate way to show Earth's continents and bodies of water is with a(an)? 1) Mercator projection 2) globe 3) Robinson projection 4) equal-area map I think #3 asked on November 8, 2017 65. ## Math solve the inequality: -3(4-a)=6 1) -6 2) -2 3) 2 4) 6 I think #1 is correct. Can you check? Thanks asked on November 7, 2017 66. ## Math A semi circle sits on top of a rectangle to form the figure below find its area and perimeter use 3.4 for pie on the side 4 inches and on the bottom 6 inches what is the answer asked on November 6, 2017 67. ## Math Orly uses 2 cups of raisins for every 8 cups of trail mix she makes how many cups of trail mix will she make if she uses 12 cups of raisins asked on November 6, 2017 68. ## Math Solve the inequality: 25>1-3d A) d8 c) d-8 I think B asked on November 6, 2017 69. ## Health and PE What substance in tobacco products causes stained teeth and skin? 1) nicotine 2)carbon monoxide 3)tar 4)menthol I think #1 Thanks asked on November 6, 2017 70. ## Science Sodium is a medal and chlorine is a poisonous gas. Neither is safe to eat. However, when sodium and chlorine is combine, it produces edible table salt. What can be concluded? 1) Table salt has similar physical properties of both reactants. 2)Table salt is asked on October 31, 2017 71. ## Physics Artificial gravity. One way to create artificial gravity in a space station is to spin it. If a cylindrical space station 325 m in diameter is to spin about its central axis, at how many revolutions per minute (rpm) must it turn so that the outermost asked on October 29, 2017 72. ## Physics You tie one end of 0.3-m-long spring to a 0.5 kg mass. Holding the other end of the spring in your hand, you whirl the mass in a vertical circle at a speed of 3 m/s. If the spring elongates 5 cm at the lowest point in the circular motion, what is the asked on October 29, 2017 73. ## Algebraic Properties Can you tell me the properties of algebraic expressions? Is there a website? Thanks for your help. asked on October 29, 2017 74. ## Math use the inverse operation to solve below equation. 19= h/3-8 equals 81 Thanks asked on October 29, 2017 75. ## English In which of the following sentence is the underlined verb used as an action verb? 1) The animal (looked) hungry. 2) The trainer (felt) worried. 3) The lion (smelled) the steak. 4) The steak (tasted) good. I think B Thanks. asked on October 28, 2017 76. ## Math Factor 81-27p is A)9(9-3p) B)27(3-p) C)27(54-p) D)27(p-3) I think A but not sure. Is there a website that explains simplifying Algebraic Expressions? Thanks for your help. asked on October 21, 2017 77. ## Science Which physical properties are characteristic of normal solids? 1)brittle 2)little luster 3)malleable 4)ductile 5)good conductors of heat I think #1 and #2 asked on October 18, 2017 78. ## Science Which physical properties are characteristic of metals? Choose all that apply. 1) brittle 2)high luster 3)malleable 4)ductile 5)not very reactive I think #s 2,3 and 4 Thanks asked on October 17, 2017 79. ## social studies After the Scientific Revolution, scientists no longer made their ideas about science fit? 1) the results of their experiments 2) the teachings of the church 3)their observations in nature 4)their political beliefs I think #2 Thanks asked on October 16, 2017 80. ## Health and PE _____ is at the top of Maslow's hierarchy of needs? 1) physical needs 2)safety 3)esteem 4)self-actualization I think #4 but all are important. Thanks asked on October 16, 2017 81. ## Science When you measure the boiling point of mercury, you are investigating a ____? 1)chemical change 2)chemical property 3)physical change 4)physical property I think #3. This is a practice but want to make sure. Thanks, asked on October 10, 2017 82. ## SS During the Middle Ages, why was life in northern Italy different from life in the rest of Europe? A:italians were threatened by Muslim invaders. B:italians were not as closely controlled by nobles or the church. C:italians were controlled by popes and asked on October 5, 2017 83. ## social studies Which group was especially interested in winning the Crusades? 1)farmers 2)teachers 3)merchants *** 4)artists I think merchants, because of the trade. Thanks for your help. asked on October 3, 2017 84. ## Health and PE Which of the following plays a role in determining a persons weight? select all that apply A:heredity. B:activity level. C:body mass index (BMI). D:body composition. I think the answers are B, C, and D. Thank you. asked on September 29, 2017 85. ## social studies In the Middle Ages, ceremonies such as weddings had t be performed by? 1) the mam of the house 2)a bishop 3)a priest 4)the pope I chose #2 but reading stated the clergy attended all ceremonies. If the man of the house and clergy are the same then it would asked on September 28, 2017 86. ## social studies Why did the system of feudalism arise during the Middle ages? A:to develop an economic system. B:to determine jobs within a city. C:to defend the countries from attacks. D:to organize the household of noblemen. I think the answer is C. Thank you asked on September 27, 2017 87. ## Science Which of the following represents a heterogeneous mixture? 1)saltwater 2)air 3)bleach and water 4)chicken noodle soup I think #3 Thank you. asked on September 25, 2017 88. ## AP Chemistry In the reaction below, 17 g of H2S with excess O2 produced 10 g of sulfur. 2 H2S + O2 → 2 S + 2 H2O . What is the percent yield of sulfur? Answer in units of %. asked on September 19, 2017 89. ## AP Chemistry The reaction of 8 grams of fluorine with excess chlorine produced 6.4 grams of ClF3. What percent yield of ClF3 was obtained? Answer in units of % asked on September 19, 2017 90. ## Chemistry - Rates For a particular reaction, the rate constant is 2.32 ✕ 10−3 M/s at 185°C and 3.70 ✕ 10−3 M/s at 235°C. What is the activation energy for this reaction? _______ kJ/mol asked on September 14, 2017 91. ## Chemisty - Colligative properties/freezing point QUESTION: How do you determine the molar mass of the unknown, nonelectrolyte compound for each trial? This is for a lab. My data is: freezing point of solvent (water): -0.58 freezing point of unknown: -0.93 Mass of solvent (water): 19 ml Mass of unknown: asked on September 13, 2017 92. ## social studies Which of the following was an achievement of the Mayas? 1) a system of canals in their main city? 2) the city of Tenochtitlan 3) a calendar 4) a strong army I think it is 1 but not sure. Thanks for your help. asked on September 12, 2017 93. ## Chemistry - Colligative properties/freezing point I need help on my lab. I think I have all the data and steps right, but my results aren't making sense: Feezing point of water: -0.58 C Freezing point of Unknown: -0.93 C Freezing point depressions: 0.34 C Mass of unknown: 1.045 g, mass of solvent (water): asked on September 12, 2017 94. ## Chemistry The rate constant for the decomposition of acetaldehyde, CH3CHO, to methane, CH4, and carbon monoxide, CO, in the gas phase is 1.59 ✕ 10−2 L/mol/s at 711 K and 3.63 L/mol/s at 855 K. Determine the activation energy (in kJ/mol) for this asked on September 10, 2017 95. ## Chemistry At 500 K in the presence of a copper surface, ethanol decomposes according to the following equation. C2H5OH(g) CH3CHO(g) + H2(g) The pressure of C2H5OH was measured as a function of time and the following data were obtained. Time (s) PC2H5OH (torr) 0 250. asked on September 8, 2017 96. ## social studies The port cities of East Africa traded with ? 1)China,India, and Soutwest Asia 2)Songhai 3)Europe and the Americas 4)Portugal I think number 1. I have read the text several times but still not sure. Thanks for your help. asked on September 6, 2017 97. ## Math. Please help!! The "perpendicular bisector" of the line segment \overline{AB}(The backslash then over line with the {AB} means that there's a line over AB) is the line that passes through the midpoint of \overline{AB} and is perpendicular to \overline{AB}. asked on September 4, 2017 98. ## Algebra A The "perpendicular bisector" of the line segment \overline{AB}(The backslash then over line with the {AB} means that there's a line over AB) is the line that passes through the midpoint of \overline{AB} and is perpendicular to \overline{AB}. asked on September 4, 2017 99. ## Algebra A (1510) The "perpendicular bisector" of the line segment$\overline{AB}$is the line that passes through the midpoint of$\overline{AB}$and is perpendicular to$\overline{AB}\$. The equation of the perpendicular bisector of the line segment joining the points

asked on September 4, 2017
100. ## Science

2. Which of the following describes a relationship between science and society? A: Scientific discoveries can impact human life; therefore, society must remain scientifically literate. B: Scientific discoveries rarely impact human life; therefore, it is

asked on August 30, 2017