Popular Post :

• to illustrate the work-energy concept, consider the case of a stone falling from xi to xf under the influence of gravity. using the work-energy concept, we say that work is done by the gravitational _____, resulting in an increase of the ______ energy of the stone.
  
• a tunnel on a bike trail is being designed similar to the picture below. photograph shows the entrance of a semicircular road tunnel. the height of the new bike tunnel, y, in feet, is given by the following equation, where x is the horizontal distance, in feet, from the center line of the opening of the tunnel. note that negative x-values indicate the distance to the left of the center line, and positive x-values indicate the distance to the right of the center line. plot the points on the graph where the height of the tunnel is a maximum and where the height of the tunnel is zero feet.
  
• jessica plots the data points relating the amount of money she needs to repay a loan and the number of months she has been making payments. she calculates two regression models. which is true?
  
• which expression is equivalent to (2 superscript one-half baseline times 2 superscript three-fourths baseline) squared? rootindex 4 startroot 2 cubed endroot startroot 2 superscript 5 endroot rootindex 4 startroot 4 cubed endroot startroot 4 superscript 5 endroot
  
• george and miguel are considering opening up a shoe store but first need to do market research. which one of these is not part of the market research process?
  
• planes x and y are perpendicular. points a, e, f, and g are points only in plane x. points r and s are points in both planes x and y. lines ea and fg are parallel. planes x and y are shown. lines a e and f g are vertical and are on plane x. line r s is at the intersection of the 2 planes. based on this information, which pair of lines, together, could be perpendicular to rs? select two options. line e a line e r line e f line f g line f s
  
• a nuclear power plant based on the rankine cycle operates with a boiling-water
  
• last year there were 221 students and 13 teachers at hillard school. this year there are 272 students. the principal wants to keep the same student-to-teacher ratio as last year. which proportion can the principal use to find x, the number of teachers needed this year? startfraction 272 over 221 endfraction = startfraction 13 over x endfraction startfraction 221 over 272 endfraction = startfraction x over 13 endfraction startfraction 221 over 13 endfraction = startfraction 272 over x endfraction startfraction 13 over 221 endfraction = startfraction 272 over x endfraction
  
• those tests were constructed around items like fill-in-the-blank sentence completion, such as “even though tom was ______, mary thought he was _____.” and the correct answer always seemed to be the most bland combinations of thoughts, for example, “even though tom was foolish, mary thought he was ridiculous.” well, according to my mother, there were very few limitations as to what tom could have been and what mary might have thought of him. so i never did well on tests like that. what can be inferred from the excerpt? tan believes that achievement tests should include a wider variety of fill-in-the-blank questions. tan believes that achievement tests should be constructed by published authors of fiction. tan believes that achievement tests give inadequate measurements of language ability. tan believes that achievement tests give inflated measurements of language ability.
  
• in 2–3 paragraphs, evaluate the impact of third parties on the election process. to what extent have third-party candidates affected recent presidential elections? support your answer with data and evidence from the readings.