Numerade

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What is the work done by the normal force at if a 10lb box is moved from A to B?

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How many ways are there to arrange the letters in the word ENGINEER? a. 15120 b. 30240 c. 1680 d. 3360 e. 75575

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9. Coffee Bliss claims that the average customer satisfaction rating across all stores is at least 8.0. Use a significance level of 0.05 to test this claim using the sample data. sigma= .61 xbar= 7.81 mu=8.0 n=50

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x y 0 2 4 6 8 10 Determine the slope and vertical intercept of the linear relationship between x and y. Note that you can if you plug your answers into the interactive tool, you can check if your relationship matches your table. slope = Intercept =

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4. [3 marks] Let $\vec{v}$ and $\vec{u}$ be vectors in $\mathbb{R}^{2021}$ such that $\vec{v} \cdot \vec{v} = 10$, $\vec{v} \cdot \vec{u} = 1$, and $\vec{u} \cdot \vec{u} = 3$. Find $||2\vec{v} - 3\vec{u}||$, showing your work. (Hint: what is $||2\vec{v} - 3\vec{u}||^2$?

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Consider a competitive firm that has access to a technology described by the following production function $y = \min \{x_1, 2x_2\}$ where y denotes output and the x's denote non-negative inputs. This production function: Instruction: you may choose more than one option (be advised that wrong choices as well as failing to choose a correct option will deduct points from the points earned by choosing correct options; in any case the score cannot be negative) does not represent a well behaved technology. would generate a vertex solution when minimizing cost. represents a well behaved technology. satisfies constant returns to scale. satisfies the law of diminishing marginal returns. would generate a corner solution when minimizing cost. represents a fixed proportion technology with perfect substitute inputs. represents a fixed proportions technology with perfect complement inputs.

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What is the most accurate conclusion that can be made from the Russ et al. (2015) meta-analysis on studies related to Comprehensive School Physical Activity Programs (CSPAP)? Select one: a. The more elements of CSPAP that are implemented, the stronger the effect on physical activity. b. Boys experience a stronger physical activity response to CSPAP models compared to girls. c. CSPAP reduces misbehavior for elementary students but not secondary students. d. The number of CSPAP elements implemented does not have a major effect on youths' physical activity.

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Find the lateral area of the figure. Round your answer

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P2 The file state_crime.csv contains data on types of crimes committed in the United States from 1960 to 2019. (1) Load the data into a pandas DataFrame, using the column names in the file and the column titled "Year" as the index. (2) List out all column names (hint: call function colunms) (3) Drop all columns with "Rates" as a part of the names (4) Rename "Data. Population" to "Population." Rename the rest columns by removing "Data.Totals." from the column names. (5) Insert a new column into the data frame that contains the property crime rate by year (the ratio of "Property.All" column to the "Population" column). (6) Plot a line for the property crime rate of California as a function of the year. (7) List the 5 years with the highest property crime rate in descending order. (8) Calculate the average number of burglary crimes by states.

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Diagram berikut adalah data buah yang tersedia di sebuah toko buah. Semangka dan apel yang tersedia sama banyak. Jika buah yang paling banyak tersedia adalah jeruk yaitu 45 kg. Berapa selisih buah Pisang dan Anggur? Pisang Melon Apel Anggur Jeruk 30% Semangka 15%

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rebecca d.