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sandra joseph

sandra j.

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Given the vectors v and u, answer a. through d. below. v=9i-8k u=i+j+k a. Find the dot product of v and u. u•v= Find the length of v. $|v|$= (Type an exact answer, using radicals as needed.) Find the length of u. $|u|$= (Type an exact answer, using radicals as needed.) b. Find the cosine of the angle between v and u. $\cos \theta$= (Type an exact answer, using radicals as needed.) c. Find the scalar component of u in the direction of v. (Type an exact answer, using radicals as needed.) d. Find the vector projection of u onto v. $proj_vu$= (Type your answer in terms of i, j, and k.)

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Predict the major products of the reaction below. Account for all carbon atoms in the starting material. 1. NaOH 2. $H_3O^+$

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12. [0/1 Points] DETAILS PREVIOUS ANSWERS HARMATHAP12 3.2.017. MY NOTES A Use the following matrix to perform the indicated operation, when possible. (If not possible, enter IMPOSSIBLE into any cell of the matrix.) $A = \begin{bmatrix} 0 & 3 & 1 \\ 5 & 3 & 4 \\ 1 & 0 & 2 \end{bmatrix}$ Find $A^2$. $\begin{bmatrix} 16 & & 9 \\ 19 & & 24 \end{bmatrix}$ Your matrix does not have the appropriate number of rows and columns.

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Hang Ten Company manufactures surf boards and uses an activity - based costing system to allocate all manufacturing conversion costs. Each surf board consists of 10 separate parts totaling $135 in direct materials, and requires 3.0 hours of machine time to produce. The company incurs no direct labor costs. Additional information follows: Activity Allocation Base Cost Allocation Rate Materials handling Number of parts $3.75 per part Machining Machine hours $3.00 per machine hour Assembling Number of parts $2.50 per part Packaging Number of finished units $4.75 per finished unit What is the total manufacturing cost per surf board? ? ?. $211.25 ? ?. $97.25 OC. $30.00 OD. $227.50

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1. How is society affected by climate change due to population growth? How is the economy affected? How is the environment affected? 2. Are there any ethical issues or concerns of population growth causing climate change? answer BOTH questions with LOTS of DETAILS will LIKE if done well

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Two logistic regression models are compared by the anova() command. Model A contains the categorical variable Age which has 4 levels, while Model B does not contain Age. What is the difference in degrees of freedom for the two models?

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On January 1, 2021, Crookshanks Designs purchased a patent for $312,000 giving it exclusive rights to manufacture a new type of synthetic clothing. While the patent had a remaining legal life of 15 years at the time of purchase, Crookshanks expects the useful life to be only eight more years. In addition, Crookshanks purchased equipment related to production of the new clothing for $148,000. The equipment has a physical life of 10 years, but Crookshanks plans to use the equipment only over the patent's service life and then sell it for an estimated $42,000. Crookshanks uses straight-line for all long-term assets. What amount of expense related to the patent and equipment should be recorded in 2024? 2024 expense

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Find all points of intersection of the given curves. r = cos(3θ), r = sin(3θ)

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1 point At high speeds, a particular automobile is capable of an acceleration of about 0.582 m/s$^2$. At this rate, how long (in seconds) does it take to accelerate from 95.2 km/hr to 102 km/hr?

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7. [5 points] Use Newton's method to find all real number solutions of the equation. Round your answers to six decimal places.\ $x^4 - 2x^3 + x^2 - 2 = 0$

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