10. (-/3.22 Points) DETAILS LARLINALG8 2.5.014. ASK YOUR TEACHER Students in a gym class have a...
Students in a gym class have a choice of swimming or playing basketball each day. Twenty percent of the students who swim one day will swim the next day. Sixty per swam and 250 students played basketball, How many students will swim tomorrow, in two days, and in four days? (Round your answers to the nearest whole number (a) tomorrow students (b) two days students (c) four days students e next day. Sixty percent of the students who play basketball...
3. 1/2 points | Previous Ansvers DevoreStar9 2E 012. My Notes Ask Your Teacher A starting lineup in basketball consists of two guards, two forwards, and a center. (a) A certain college team has on Its roster four centers, four guards, fourforwards, and one Indvidua ) who can play elther guard or forward. How many different starting nes can be created? [Hint: Conslder lineups without X, then lIneups with X as guard, then lneups with X as forward.] 336 1...
webassign.net . [-10.76 Points] DETAILS SERCP11 14.3.OP.009. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER As an experiment, a science teacher strikes a thick steel rail with a wrench. The teacher's assistant records two pulses of sound at the other end of the 7.08- meter-long rail. One travels through the air, while the other travels through the metal rail. (Take sound speed in the laboratory air to be 343 m/s.) (a) Which pulse is first to reach the assistant's microphone? the...
12. [-13.22 Points] DETAILS LARLINALG8 3.2.038. ASK YOUR TEACHER Determine whether ebch statement is true or false. If a statement is true, give a reason or cite an appropriate statement from the text. If a statement is false, provide an example that shows the statement is not true in all cases or cite an appropriate statement from the text. (a) Adding a multiple of one column of a square matrix to another column changes only the sign of the determinant....
16. [-/1 Points] DETAILS SERPSE 10 36.5. OP.019.MI. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER (a) An air wedge is formed between two glass plates separated at one edge by a very fine wire of circular cross section as shown in the figure below. When the wedge is illuminated from above by 600 nm light and viewed from above, 30 dark fringes are observed. Calculate the diameter d of the wire (in um). um (b) What If? How many dark...
MY NOTES ASK YOUR TEACHER 10. (-/1 Points) DETAILS LARCALC11 2.6.025.MI. 0/8 Submissions Used An air traffic controller spots two airplanes at the same altitude converging to a point as they fly at right angles to each other. One airplane is 75 miles from the point and has a speed of 450 miles per hour. The other is 100 miles from the point and has a speed of 600 miles per hour (a) At what rate is the distance between...
3. [3/4 Points] DETAILS PREVIOUS ANSWERS PODSTAT5 11.E.010. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Do male college students spend more time than female college students using a computer? This was one of the questions investigated by the authors of an article. Each student in a random sample of 46 male students at a university in England and each student in a random sample of 38 female students from the same university kept a diary of how he or she...
7. [7/9 Points] DETAILS PREVIOUS ANSWERS BBUNDERSTAT12 6.5.011.NVA MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Suppose x has a distribution with u = 26 and o = 19. (a) If a random sample of size n = 49 is drawn, find je er og and P(26 sās 28). (Round of to two decimal places and the probability to four decimal places.) My = 26 0x = 2.7143 P(26 28) = (b) If a random sample of size n = 66...
45. +-15 points LarLinAlg8 5.4.041 My Notes Ask Your Teacher Four-legged animals run with two different types of motion: trotting and galloping. An animal that is trotting has at least one foot on the ground at all times, whereas an animal that is galloping has all four feet off the ground at some point in its stride. The number of strides per minute at which an animal breaks from a trot to a gallop depends on the weight of the...
====================================================================== 1. (4.64/7 Points] DETAILS PREVIOUS ANSWERS DEVORESTAT9 12.E.011.5. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Suppose that in a certain chemical process the reaction time y (hr) is related to the temperature (°F) in the chamber in which the reaction takes place according to the simple linear regression model with equation y = 4.10 - 0.01x and c = 0.07. USE SALT (a) What is the expected change in reaction time for a 1°F increase in temperature? For a...