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Chapter 1 Solutions
Calculus
- Ben starts walking along a path at 4 mi/h. One and a half hours after Ben leaves, his sister Amanda begins jogging along the same path at 6 mi/h. How long will it be before Amanda catches up to Ben?arrow_forwardFind the unknown value. 27. y varies jointly with x and the cube root of 2. If when x=2 and z=27,y=12, find y if x=5 and z=8.arrow_forwardGraph on the number line: (a) x1 (b) x2 (c) x3arrow_forward
- Given the following set of information. find a linear equation satisfying the conditions, if possible.x-intercept at (4,0) and y-intercept at (0,6)arrow_forwardThe bus is late or my watch is fast.arrow_forwardI attached a picture of the question; I have most of it but I want to double checkarrow_forward
- When Joe wakes up in the morning the clock is blinking and says 4:30. His watch says 7:45. When did the power go off? (Assume the power was only off for a few seconds.) 3:15 a.m. 4:30 a.m. 11:30 a.m. OOOO 3:45 a.m. 10:15 a.m.arrow_forwardThe police discover a murder victim at 6:00a.m. The body temperature of the victim is measured then and found to be 25°C. A doctor arrives on the scene of the crime 40 minutes later and measures the body temperature again. It is found to be 22°C. The temperature of the room remains constant at 15°C. The doctor, knowing that normal body temperature is 37°C, estimate the time of death of the victim.arrow_forwardPat works in the city and lives in the suburbswith Sal. Every afternoon, Pat gets on a train that arrivesat the suburban station at exactly 5 P M . Sal leavesthe house before 5 and drives at a constant speed so asto arrive at the train station at exactly 5 P M to pick upPat. The route that Sal drives never changes.One day, this routine is interrupted, because thereis a power failure at work. Pat gets to leave early, andcatches a train which arrives at the suburban stationat 4PM. Instead of phoning Sal to ask for an earlierpickup, Pat decides to get a little exercise, and beginswalking home along the route that Sal drives, knowingthat eventual ly Sal will intercept Pat, and then willmake a V-tum, and they will head home together inthe car. This is indeed what happens, and Pat ends uparriving at home 10 minutes earl ier than on a normalday. Assuming that Pat 's walking speed is constant,that the V-tum takes no time, and that Sal 's drivingspeed is constant, for how many minutes did Pat…arrow_forward
- Jill, Kim, and Erin start at the same time, walking around a circular track, walking in the same direction.Jill takes 1/2 hr to walk around the track. Kim takes 5/12 hr, and Erin takes 1/3 hr.(a) How many minutes does it take each person to walk around the track?(b) How many times will each person go around the track before all three meet again at the startingline?arrow_forwardThe gestation period of rabbits is about 29 to 35 days. Therefore the population of a form can increase dramatically in a short period of time. The table gives a population of a form we're tea is the time in months and then is the rabbit population.arrow_forwardthis does not answer the question. this is from chegg.arrow_forward
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