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• in the derivation of the formula for the volume of a cone, the volume of the cone is calculated to be startfraction pi over 4 endfraction times the volume of the pyramid that it fits inside. a cone is inside of a pyramid with a square base. the cone has a height of h and a radius r. the pyramid has a base edge length of 2 r. which statement best describes where the startfraction pi over 4 endfraction comes from in the formula derivation? it is the ratio of the area of the square to the area of the circle from a cross section. it is the ratio of the area of the circle to the area of the square from a cross section. it is the difference of the area of the square and the area of the circle from a cross section. it is the sum of the area of the square and the area of the circle from a cross section.
  
• which expressions can be used to find the coordinates of the midpoint of pq with endpoints p(3, –1) and q(–7, –6)? select three options.
  
• albuquerque became a railhead ________________ a. because perea, the sheep baron, refused to sell his land in bernalillo. b. because santa fe wanted to remain a remote town. c. because routes 40 and 25 crossed at this point. d. because they needed to refresh water supplies for crop production. please select the best answer from the choices provided a b c d
  
• which concepts from the novel do you think are most important? check any that apply.
  
• one of the major motivations for altering the environment in mexico city was __________. a. creating arable land b. reducing population growth c. providing recreational opportunities d. reducing dependence on agriculture
  
• using refusal skills involves taking all of the following steps except: state your position simply but firmly. back up your words with your actions. if necessary, be hostile to show you mean what you say. suggest alternatives to the behavior being proposed.
  
• what is the value of startfraction 1 over 6 superscript 0 endfraction? one-sixth 0 1 undefined
  
• a line contains points m(1, 3) and n(5, 0). what is the slope of mn? negative startfraction 4 over 3 endfraction negative startfraction 3 over 4 endfraction startfraction 3 over 4 endfraction startfraction 4 over 3 endfraction
  
• what is the energy of a photon with a frequency of 2.2 × 1016 hz? planck’s constant is 6.63 × 10–34 j•s. 1.5 × 10–17 j 8.8 × 10–17 j 1.5 × 10–16 j 8.8 × 10–16 j
  
• instead of a troika coming to power after lenin’s death in 1924, what happened? there were general elections, and stalin was able to gain power. there was a power struggle between stalin and trotsky, and trotsky won. there was a civil war, and the armed forces led by stalin were able to prevail. there was a power struggle between stalin and trotsky, and stalin won.