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Working together, Rick and Rod can clean the snow from the driveway in 20 minutes. It...
25) Cindy can mow her lawn in an hour and 20 minutes. Her younger, stronger brother Bill has a wi...
25) Cindy can mow her lawn in an hour and 20 minutes. Her younger, stronger brother Bill has a wider mower who mows her yard in 50 minutes by himself. The neighbor saw Bill and Cindy working together to mow Cindy's lawn. He asked the two of them to mow his yard which is 50 percent larger than Cindy's. Working together, how long would it take Bill and Cindy to mow the neighbor's yard? Round to the nearest minute. A)...
Can you show your workings pleaseBetty paints twice as fast as Dan. Working together, Dan...
Can you show your workings pleaseBetty paints twice as fast as Dan. Working together, Dan and Betty can paint 2,400 square feet in 4 hours. Another employee, Sue, joined their painting team. Working together, Dan, Betty, and Sue can paint 3,600 square feet in 3 hours. If Sue works alone, how many square feet can she paint in 4 hours and 27 minutes? a 600 square feet b 1,570 square feet c 1,700 square feet d 2,530 square feet e 2,670 square feet
1. One pipe can fill a tank in 20 minutes, while another takes 30 minutes to...
1. One pipe can fill a tank in 20 minutes, while another takes 30 minutes to fill the same tank. How long would it take the two pipes together to fill the tank? 2. Andy's average driving speed for a 4-hour trip was 45 miles per hour. During the first 3 hours he drove 40 miles per hour. What was his average speed for the last hour of his trip? 3. What is the solution set of the quadratic equation...
help with 36 Documents Display T t 301-301 D) (-2,-15) D) 17+ 409 17-409 E) -15...
help with 36
Documents Display T t 301-301 D) (-2,-15) D) 17+ 409 17-409 E) -15 + 101-15-v101 E) Solve each question. Round your answer to the nearest hundredth, if necessary 32) Working alone, Natalie can pick forty 33) Working together, Beth and Mei can paint bushels of apples in nine hours. Willie can pick the same amount in ten hours. If a fence in 4.44 hours. Had she done it alone it would have taken Mei eight hours. they...
Historically, evening long-distance phone calls from a particular city have averaged 12 minutes per call. In...
Historically, evening long-distance phone calls from a particular city have averaged 12 minutes per call. In a random sample of 20 calls, the sample mean was 10.7 minutes per call, with a standard deviation of 4 minutes. Does the sample indicate that there has been a change in the mean duration of long distance phone calls? Test the appropriate hypothesis at the 10% level of significance. (Be sure to state the hypotheses and report your conclusion). [5 marks] Part B:...
To save on gasoline expenses, Edith and Mathew agreed to carpool together for traveling to and...
To save on gasoline expenses, Edith and Mathew agreed to carpool together for traveling to and from work. Edith preferred to travel on I-20 highway as it was usually the fastest, taking 25 minutes in the absence of traffic delays. Mathew pointed out that traffic jams on the highway can lead to long delays making the trip 45 minutes. He preferred to travel along Shea Boulevard, which was longer (35 minutes), but rarely had traffic jams. Edith agreed that in...
You are asked to value a company and have the following forecast (in million dollars) of its future profits and future investments in new plant and working capital. From year 5 onwards, depreciation and investment in plants and working capital are expect
You are asked to value a company and have the following forecast (in million dollars) of its future profits and future investments in new plant and working capital. Year1234Depreciation expenses20303540Profit after tax (tax: 40%)36424848Investment in plants and working capital12151820 From year 5 onwards, depreciation and investment in plants and working capital are expected to remain unchanged at year-4 levels. The Shard is financed 50% by debt and 50% by equity. Its cost of equity is 15% and its debt yields...
A shoe repairman is working with his assistant, who takes 5 times long to repair of shoes. Together they can fix 20 pairs of shoes in an eight-hour day. How ling does it take the repairman to fix one...
A shoe repairman is working with his assistant, who takes 5 times long to repair of shoes. Together they can fix 20 pairs of shoes in an eight-hour day. How ling does it take the repairman to fix one pair of shoes by himself? A: 8/24 hour B: 2/3 hour C: 1 hour D: 4/25 hour The total cost of an item including sales tax is directly proportional to its price. If the cost of a 24$ item is 25.44$,...
Example An otherwise typical bacterial cell increases from one cell to 256 cells in 10 hours....
Example An otherwise typical bacterial cell increases from one cell to 256 cells in 10 hours. What is the generation time of this organism? Example: Escherichia coli has a doubling time of 20 minutes. If there are 5 cells at the beginning of the experiment, how many will there be in 3 hours? Example You perform a serial dilution and determine that the original number of cells in your sample was 12,000. How many bacteria will be present in 12...
3 A violin and a flute play together; the combined pressure us. time graph is shown...
3 A violin and a flute play together; the combined pressure us. time graph is shown below. 19 16 14 12 10 8 6 4 2 0 2400 2800 2600 3000 3200 3600 3400 3800 4000 4200 4400 4600 4800 t (ms) What can you tell about the frequencies of the instruments from this information? What can't you tell? The lute player says to the violinist: "hey, you're flat!" If the flute is playing a 587 Hz sound. what can...
25) Cindy can mow her lawn in an hour and 20 minutes. Her younger, stronger brother Bill has a wider mower who mows her yard in 50 minutes by himself. The neighbor saw Bill and Cindy working together to mow Cindy's lawn. He asked the two of them to mow his yard which is 50 percent larger than Cindy's. Working together, how long would it take Bill and Cindy to mow the neighbor's yard? Round to the nearest minute. A)...
Can you show your workings pleaseBetty paints twice as fast as Dan. Working together, Dan and Betty can paint 2,400 square feet in 4 hours. Another employee, Sue, joined their painting team. Working together, Dan, Betty, and Sue can paint 3,600 square feet in 3 hours. If Sue works alone, how many square feet can she paint in 4 hours and 27 minutes? a 600 square feet b 1,570 square feet c 1,700 square feet d 2,530 square feet e 2,670 square feet
1. One pipe can fill a tank in 20 minutes, while another takes 30 minutes to fill the same tank. How long would it take the two pipes together to fill the tank? 2. Andy's average driving speed for a 4-hour trip was 45 miles per hour. During the first 3 hours he drove 40 miles per hour. What was his average speed for the last hour of his trip? 3. What is the solution set of the quadratic equation...
help with 36
Documents Display T t 301-301 D) (-2,-15) D) 17+ 409 17-409 E) -15 + 101-15-v101 E) Solve each question. Round your answer to the nearest hundredth, if necessary 32) Working alone, Natalie can pick forty 33) Working together, Beth and Mei can paint bushels of apples in nine hours. Willie can pick the same amount in ten hours. If a fence in 4.44 hours. Had she done it alone it would have taken Mei eight hours. they...
Example An otherwise typical bacterial cell increases from one cell to 256 cells in 10 hours. What is the generation time of this organism? Example: Escherichia coli has a doubling time of 20 minutes. If there are 5 cells at the beginning of the experiment, how many will there be in 3 hours? Example You perform a serial dilution and determine that the original number of cells in your sample was 12,000. How many bacteria will be present in 12...
3 A violin and a flute play together; the combined pressure us. time graph is shown below. 19 16 14 12 10 8 6 4 2 0 2400 2800 2600 3000 3200 3600 3400 3800 4000 4200 4400 4600 4800 t (ms) What can you tell about the frequencies of the instruments from this information? What can't you tell? The lute player says to the violinist: "hey, you're flat!" If the flute is playing a 587 Hz sound. what can...
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