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Staticshock3102

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Staticshock3102
Mar 13th, 2018
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  1. Question Number 1 Points: 1.00/1.00
  2. Question Text
  3. Write the expression using exponents: 7 to the ninth power.
  4. Your Answer
  5. A.
  6. 7 exponent 9
  7. Question Number 2 Points: 0.00/1.00
  8. Question Text
  9. Evaluate:
  10. s squared over t squared minus 2when s = 6 and t = 3.
  11. Your Answer
  12. C. 4
  13. Question Number 3 Points: 1.00/1.00
  14. Question Text
  15. A cargo plane left the San Francisco International Airport at noon, traveling east. At the same time, a jet left the Houston Airport traveling west 250 mph faster than the cargo plane. If the airports are 1,403 miles apart and the jet passes the cargo plane in 2.3 hours, what is the speed of each? (Hint: look at the boat problem in the lesson.) What is the correct equation to solve this problem?
  16.  
  17. Your Answer
  18. B. 2.3R + 2.3(R + 250) = 1,403
  19. Question Number 4 Points: 1.00/1.00
  20. Question Text
  21. Two cars are driving toward each other from opposite directions. If one is driving 55 mph, the other is driving 60 mph and the cars are 500 miles apart, how long will it be before they pass each other? Round to the nearest tenth of an hour.
  22. Your Answer
  23. A. 4.3 hours
  24. Question Number 5 Points: 1.00/1.00
  25. Question Text
  26. Which equation best represents the problem? You have traveled 425 miles driving 60 mph. How long were you driving?
  27. Your Answer
  28. B. 425 = 60 T
  29. Question Number 6 Points: 1.00/1.00
  30. Question Text
  31. A jet and a small plane leave the same airport at the same time and travel in opposite directions at 960 km/h and 560 km/h, respectively. In how many hours will they be 3800 km apart?
  32. Your Answer
  33. A. 2.5 hours
  34. Question Number 7 Points: 1.00/1.00
  35. Question Text
  36. Last year, there were 120 seniors in Limon High School. This year there are 145. What is the percent of increase? Round to the nearest percent.
  37. Your Answer
  38. C. 21%
  39. Question Number 8 Points: 1.00/1.00
  40. Question Text
  41. Solve 9 - (3 - x) = 14
  42. Your Answer
  43. B. x = 8
  44. Question Number 9 Points: 1.00/1.00
  45. Question Text
  46. The sum of four consecutive integers is 58. What is the largest of the four integers?
  47. Your Answer
  48. B. 16
  49. Question Number 10 Points: 0.00/1.00
  50. Question Text
  51. 51 to the first power
  52. Your Answer
  53. N/A
  54. Question Number 11 Points: 1.00/1.00
  55. Question Text
  56. The attendance last year at the Rock Brothers Music Festival was 567 people. This year the attendance was 670 people. What is the percent of increase for this year? Round to the nearest whole percent.
  57. Your Answer
  58. A. 18%
  59. Question Number 12 Points: 1.00/1.00
  60. Question Text
  61. The sum of three consecutive odd integers is 57. What are the three numbers?
  62. Your Answer
  63. A. 17, 19, 21
  64. Question Number 13 Points: 1.00/1.00
  65. Question Text
  66. the quantity of negative 5 m squared n to the 5th power times the quantity of 8 m n =
  67. Your Answer
  68. C. negative 40 m to the 3rd power n to the 6th power
  69. Question Number 14 Points: 1.00/1.00
  70. Question Text
  71. Simplify the expression: 5a + 3a + 1.
  72. Your Answer
  73. A. 8a + 1
  74. Question Number 15 Points: 1.00/1.00
  75. Question Text
  76. Translate the words into a mathematical expression: the product of 4 and a number g.
  77. Your Answer
  78. C. 4g
  79. Question Number 16 Points: 0.00/1.00
  80. Question Text
  81. Translate the words into a mathematical expression: the quotient of 6 and x.
  82. Your Answer
  83. A. 6x
  84. Question Number 17 Points: 1.00/1.00
  85. Question Text
  86. If a coat that originally cost $115 was marked down 20%, how much would be marked off the price?
  87. Your Answer
  88. B. $23
  89. Question Number 18 Points: 0.00/1.00
  90. Question Text
  91. Two jets are beginning their flight at the Louisville International Airport. One starts at 1:00 p.m. and flies east at 395 mph. Another starts one hour later and flies west at 400 mph. In how many hours after the first plane left, will they be 2,000 miles apart? Round to the nearest tenth of an hour.
  92. Your Answer
  93. A. 2.0
  94. Question Number 19 Points: 1.00/1.00
  95. Question Text
  96. You bought a lamp that originally costs $100, but was marked down 25%. The tax on the item is 4%. How much was the final cost of the lamp with tax to the nearest dollar?
  97. Your Answer
  98. A. $78
  99. Question Number 20 Points: 0.00/1.00
  100. Question Text
  101. How much pure antifreeze must be added to 12 L of a 40% solution to obtain a 60% solution. (Remember that pure antifreeze is 100% = 1.) What is the correct question to solve this problem?
  102.  
  103. Your Answer
  104. B. 0.4x + 1(12) = 0.6(12 + x)
  105. Question Number 21 Points: 1.00/1.00
  106. Question Text
  107. 3 5th to the negative 2 power
  108. Your Answer
  109. B. the fraction 25 over 9
  110. Question Number 22 Points: 1.00/1.00
  111. Question Text
  112. Translate the words into a mathematical expression: the difference of 5 and twice x.
  113. Your Answer
  114. A. 5 - 2x
  115. Question Number 23 Points: 1.00/1.00
  116. Question Text
  117. A sporting goods store has added a section with trail foods and snacks. Raisins cost $5.00 per pound and peanuts cost $3.80 per pound. Raisins and peanuts are going to be sold in a mixture of 30 pounds which will cost $4.05 per pound. How many pounds of raisins will be in the mix?
  118. Your Answer
  119. B. 6.25 lbs
  120. Question Number 24 Points: 1.00/1.00
  121. Question Text
  122. Solve for b.
  123.  
  124.  
  125. Your Answer
  126. C. b = -6
  127. Question Number 25 Points: 1.00/1.00
  128. Question Text
  129. If 3a − 9 = 6, what is the value of 4a − 1?
  130. Your Answer
  131. B. 19
  132. Question Number 26 Points: 1.00/1.00
  133. Question Text
  134. What is the first step in solving the problem, 3 x minus 8 all over 12 = 9
  135. Your Answer
  136. B. Multiply by 12 on both sides.
  137. Question Number 27 Points: 1.00/1.00
  138. Question Text
  139. How many kg of pure salt must be added to 8 kg of a 30% solution to obtain a 35% solution? Round to the nearest tenth.
  140. Your Answer
  141. B. 0.6
  142. Question Number 28 Points: 1.00/1.00
  143. Question Text
  144. 4 fifths squared =
  145. Your Answer
  146. B. the fraction 16 over 25
  147. Question Number 29 Points: 1.00/1.00
  148. Question Text
  149. 16 x y to the 7th power over 4 x y cubed =
  150. Your Answer
  151. B. 4 y to the 4th power
  152. Question Number 30 Points: 1.00/1.00
  153. Question Text
  154. Use the Distributive Property to simplify: 1 fourth times the quantity of 12 x minus 20
  155. Your Answer
  156. D. 3x minus 5
  157. Question Number 31 Points: 1.00/1.00
  158. Question Text
  159. Simplify 2 cubed.
  160. Your Answer
  161. C. 8
  162. Question Number 32 Points: 1.00/1.00
  163. Question Text
  164. negative 16 r squared over 20 r cubed =
  165. Your Answer
  166. C. negative of the fraction 4 over 5 r
  167. Question Number 33 Points: 1.00/1.00
  168. Question Text
  169. The area of a rectangle is 44 a cubed b to the 4th power and its width is 11 a squared b. What is its length?
  170. Your Answer
  171. C. 4 a b to the 3rd power
  172. Question Number 34 Points: 1.00/1.00
  173. Question Text
  174. Write the expression in math symbols: the sum of m squared and 8.
  175. Your Answer
  176. A.
  177. Question Number 35 Points: 1.00/1.00
  178. Question Text
  179. p to the 4th power q squared over p q to the 6th power =
  180. Your Answer
  181. A. the fraction p to the 3rd power over q to the 4th power
  182. Question Number 36 Points: 1.00/1.00
  183. Question Text
  184. Solve: b over 3 + 4 = 15
  185. Your Answer
  186. C. 33
  187. Question Number 37 Points: 1.00/1.00
  188. Question Text
  189. A health food store sells oatmeal for $3.60 per pound and bran flakes for $4.80 per pound. How many pounds of each should be used to get a mixture of 30 pounds that sells for $4.00 a pound?
  190.  
  191. Your Answer
  192. B. 20 lbs oatmeal, 10 lbs bran flakes
  193. Question Number 38 Points: 1.00/1.00
  194. Question Text
  195. How fast must you drive to cover 700 miles in 13 hours? Round your answer to the nearest whole number.
  196. Your Answer
  197. A. 54 mph
  198. Question Number 39 Points: 1.00/1.00
  199. Question Text
  200. How fast must you drive to cover 700 miles in 13 hours? Round your answer to the nearest whole number.
  201. Your Answer
  202. A. 54 mph
  203. Question Number 40 Points: 0.00/1.00
  204. Question Text
  205. The steps for solving the equation 2(x + 5) + 3 = 27 are shown below. What property justifies going from Step C to Step D?
  206.  
  207. A. 2(x + 5) + 3 = 27
  208.  
  209. B. 2x + 10 + 3 = 27
  210.  
  211. C. 2x + 13 = 27
  212.  
  213. D. 2x + 13 −13 = 27 − 13
  214.  
  215. E. 2x + 0 = 14
  216.  
  217. F. 2x = 14
  218.  
  219. G. x = 7
  220.  
  221. Your Answer
  222. C. Substitution
  223. Question Number 41 Points: 1.00/1.00
  224. Question Text
  225. Use the distributive property to simplify: 25 times the quantity of 2 x + 1 fifth
  226. Your Answer
  227. C. 50 x + 5
  228. Question Number 42 Points: 1.00/1.00
  229. Question Text
  230. 6 to the negative 3 power
  231. Your Answer
  232. A. the fraction one over 216
  233. Question Number 43 Points: 1.00/1.00
  234. Question Text
  235. How fast must you drive to cover 340 miles in 6 hours? Round your answer to the nearest whole number.
  236. Your Answer
  237. D. 57 mph
  238. Question Number 44 Points: 0.00/1.00
  239. Question Text
  240. Which of the following is NOT a monomial?
  241. Your Answer
  242. C. 4
  243. Question Number 45 Points: 1.00/1.00
  244. Question Text
  245. the quantity of 7 m squared cubed
  246. Your Answer
  247. A. 343 m to the 6th power
  248. Question Number 46 Points: 1.00/1.00
  249. Question Text
  250. Simplify using the Distributive Property: negative 9 times the quantity of negative 5 x + 1.
  251. Your Answer
  252. A. 45x minus 9
  253. Question Number 47 Points: 1.00/1.00
  254. Question Text
  255. 6 x y cubec quantity squared
  256. Your Answer
  257. A. 36 x squared y to the 6th power
  258. Question Number 48 Points: 1.00/1.00
  259. Question Text
  260. Use the distributive property to simplify: 5 times the quantity of 3x minus 2.
  261. Your Answer
  262. A. 15 x minus 10
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