Mathematics, 21.10.2019 18:30 chaitanyac90
Acar travels the first 50km of its journey at an average speed of 25m/s snd the next 120km at an average speed of 80km/h. the car completes the lat part of its journey at an average speed of 90km/h in 35 minutes. find the average speed for its entire journey ,giving your answer in km/h.
Answers: 3
Mathematics, 21.06.2019 14:00
Tracy solved the following problem. which of the statements is true? 9 ÷ 3 + 6 × 2 3 + 6 × 2 9 × 2 18 her answer is correct. her answer is incorrect. she should have multiplied before dividing. her answer is incorrect. she should have multiplied before adding. her answer is incorrect. she should have added before dividing.
Answers: 1
Mathematics, 21.06.2019 17:00
Aswimming pool is a rectangle with semicircles on the end. the rectangle is 12 meters wide and 30 meters long. the diameter and width of the swimming pool are equal. sketch and label an overhead diagram of the swimming pool. find the area of the swimming pool floor.
Answers: 1
Mathematics, 21.06.2019 18:20
What is the solution set of the quadratic inequality x2- 5< 0? o {xl-55x55{x- 155x55){xl -55x5 15){x1 - 15 sx5/5)
Answers: 2
Mathematics, 21.06.2019 18:30
Logan wants to know how many skateboards have defective parts. he inspects 20,000 skateboards and keeps track of the number of defects per board. use his probability distribution table to find the expected value for defects on a skateboard.
Answers: 3
Acar travels the first 50km of its journey at an average speed of 25m/s snd the next 120km at an ave...
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