Mathematics, 31.10.2020 03:40, jeffhuffle17
PLEAS HELP AND SHOW WORK ITS LATE PLZZZ
For the three-part question that follows, provide your answer to each question in the given workspace. Identify each part with a coordinating response. Be sure to clearly label each part of your response as Part A, Part B, and Part C.
Use the problem situation below to answer Part A, Part B, and Part C.
When using a lever (like the one shown below), the weight of an item varies inversely with the item's distance from the center of the lever.
Part A: Write a formula to describe the situation, using the variables w for the weight of the item and d for the distance of the item from the center of the lever.
Part B: A box that weighs 40 lb. is placed 17 in from the center. Find the value of k, and write the explicit formula using the same variables from Part A.
Part C: If you want to balance the weight of the 40 lb. box, which is 17 in from the center of the lever, how far from the center of the lever should you place a 50 lb. box? Show your work to support your answer.
Answers: 2
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Anull hypothesis states that the difference between 8 hours of sleep and 3 hours of sleep has no effect on the number of pictures a student will remember during a picture memory interface test (pmit). examining the mit database, an extremely small t-value of 0.1611 is found. this t-value is much smaller than the smallest t-value on the chart for p-value reference. from this information we can: select one: a. accept the null hypothesis because the p-value obtained shows that the difference between the two groups being tested is not statistically significant b. accept the null hypothesis because the p-value obtained was statistically significant c. reject the null hypothesis because of the p-value obtained d. reject the null hypothesis because the data obtained is statistically significant
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