Mathematics
Mathematics, 24.08.2019 09:30, itzyoboyCj

The weight w of an aluminum flatboat varies directly with the length l of the boat. if a 9-foot boat weighs 108 pounds, then what is the weight of a 13-foot boat?

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Mathematics, 09.10.2019 23:30, tiannaetzel
Aboat capsized and sank in a lake. based on an assumption of a mean weight of 149 lb, the boat was rated to carry 70 passengers (so the load limit was 10 comma 430 lb). after the boat sank, the assumed mean weight for similar boats was changed from 149 lb to 173 lb. complete parts a and b below. a. assume that a similar boat is loaded with 70 passengers, and assume that the weights of people are normally distributed with a mean of 177.2 lb and a standard deviation of 35.8 lb. find the probability that the boat is overloaded because the 70 passengers have a mean weight greater than 149 lb. the probability is
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Mathematics, 28.10.2019 23:31, pg67891012345
The weight, w, of a plank varies directly with its length, (l). a 7.5 foot plank weighs 30 pounds. write an equation relating w and (l). a. 225 b. 75 c. 3 d. 4(l) explain i really don't understand and i have a test on the subject this week,
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Mathematics, 07.11.2019 01:31, nickname0097
Gis constructing a triangular sail for a sailboat. aluminum supports will run along the horizontal base and vertical height of the sail, respectively. after making some measurements, calculo determines that the height of the sail cannot exceed 12 feet, or else it will not be able to fit under the bridges in the area. in addition, the total weight of the supports cannot exceed 80 pounds, or else the boat will sink. if aluminum weighs 5 pounds per foot, what is the area of the largest sail calculo can build? fully justify your answer, doing each step you learned in the class prep. in particular, you must show that the area you found is indeed the largest possible.
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