Physics, 23.09.2020 14:01 kittykat5105
3. Which statement made by a student after
examining a rock specimen is an inference?
(1) The rock is of igneous origin.
(2) The rock has rounded edges.
(3) The rock is light-colored.
(4) The rock contains large fragments.
Answers: 1
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An insurance company wants to know if the average speed at which men drive cars is higher than that of women drivers. the company took a random sample of 27 cars driven by men on a highway and found the mean speed to be 72 miles per hour with a standard deviation of 2.2 miles per hour. another sample of 18 cars driven by women on the same highway gave a mean speed of 68 miles per hour with a standard deviation of 2.5 miles per hour. assume that the speeds at which all men and all women drive cars on this highway are both approximately normally distributed with unknown and unequal population standard deviations.
Answers: 2
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You have a pick-up truck that weighed 4,000 pounds when it was new. you are modifying it to increase its ground clearance. when you are finished
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Physics, 22.06.2019 08:30
A17,250 kg rocket is pushed with a thrust of 6,450,284 n. what is the acceleration of the rocket?
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Which of these is not a possible type of energy transformation? a. electrical energy into light energy b. sound energy into nuclear energy c. potential energy into kinetic energy d. kinetic energy into mechanical energy
Answers: 1
3. Which statement made by a student after
examining a rock specimen is an inference?
(1) The...
(1) The...
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