Numerade

Questions asked

BEST MATCH

Which of the following is sec-butyl isopentyl ether? (CH₃)₂CHCH₂OCH₂CH₂CH(CH₃)₂ CH₃CH₂CH(CH₃)OCH₂CH₂CH(CH₃)₂ (CH₂)₃CHOCH₂CH₂CH(CH₃)₂ CH₃(CH₂)₃-O-CH₂CH₂CH(CH₃)₂ (CH₃)₂CHCH₂OCH₂CH₂CH(CH₃)₂

View Answer

BEST MATCH

Select the correct expression of the moment of inertia about an axis through the origin $I_0$, if density $\rho = constant$. A $\int_a^b \int_{g1(x)}^{g2(x)} y^2 dy dx$ B $\int_a^b \int_{g1(x)}^{g2(x)} \sqrt{x^2+y^2} dy dx$ C $\int_a^b \int_{g1(x)}^{g2(x)} x^2 dy dx$ D $I_0 = I_x + I_y$

View Answer

BEST MATCH

Multiple Choice 1 point The protection provided through transfer of antibodies from mother to fetus is an example of active immunity. passive immunity. autoimmunity. cell-mediated immunity.

View Answer

BEST MATCH

A company has many keys and certificates required to secure their systems. They want a centralized solution so they can control and enforce policies on their secrets. What type of solution should they implement? A DLP B TPM C KMS D SASE

View Answer

BEST MATCH

Calculate $ \frac{d}{d t}\left[\mathbf{r}_{1}(t) \cdot \mathbf{r}_{2}(t)\right] $ and $ \frac{d}{d t}\left[\mathbf{r}_{1}(t) \times \mathbf{r}_{2}(t)\right] $ first by differentiating the product directly and then by applying the formulas \[ \begin{aligned} \frac{d}{d t}\left[\mathbf{r}_{1}(t) \cdot \mathbf{r}_{2}(t)\right]=\mathbf{r}_{1}(t) \cdot \frac{d \mathbf{r}_{2}}{d t}+\frac{d \mathbf{r}_{1}}{d t} \cdot \mathbf{r}_{2}(t) \text { and } \\ \frac{d}{d t}\left[\mathbf{r}_{1}(t) \times \mathbf{r}_{2}(t)\right]=\mathbf{r}_{1}(t) \times \frac{d \mathbf{r}_{2}}{d t}+\frac{d \mathbf{r}_{1}}{d t} \times \mathbf{r}_{2}(t) \end{aligned} \] \[ \begin{array}{c} \mathbf{r}_{1}(t)=\cos (t) \mathbf{i}+\sin (t) \mathbf{j}+2 t \mathbf{k}, \quad \mathbf{r}_{2}(t)=\mathbf{i}+t \mathbf{k} \\ \frac{d}{d t}\left[\mathbf{r}_{1}(t) \cdot \mathbf{r}_{2}(t)\right]=\square \end{array} \] \[ \frac{d}{d t}\left[\mathbf{r}_{1}(t) \times \mathbf{r}_{2}(t)\right]= \] $ \square $ SUPPORT

View Answer

BEST MATCH

1) Un estudio sobre la duración de neumáticos (en kilómetros recorridos y testeados en condiciones de laboratorio), indica que esta sigue una distribución normal, con media $ 45.000 \mathrm{~km} $ y una desviación estándar de $ 2.000 \mathrm{~km} $. Según esta información, determine: a) La probabilidad de que un neumático elegido al azar tenga una duración entre $ 43.000 \mathrm{y} 47.000 \mathrm{~km} $. b) La probabilidad de que se elija un neumático con una duración superior a los $ 46.500 \mathrm{~km} $.

View Answer

BEST MATCH

Division Information for 2022 Beginning inventory 0 Expected sales in units 220,000 Selling price per unit $8.00 Variable manufacturing cost per unit $2.80 Fixed manufacturing cost (total) $572,000 Fixed manufacturing overhead costs per unit Based on 220,000 units $2.60 per unit ($572,000 \div 220,000) Based on 260,000 units $2.20 per unit ($572,000 \div 260,000) Manufacturing cost per unit Based on 220,000 units $5.40 per unit ($2.80 variable + $2.60 fixed) Based on 260,000 units $5.00 per unit ($2.80 variable + $2.20 fixed) Variable selling and administrative expenses $0.40 per unit Fixed selling and administrative expenses (total) $10,500

View Answer

BEST MATCH

Note: In this homework, you will use tolerance epsi lon=10^(-10) for the termination threshold. The n in the following represents n^(th ) iteration. Answer the following questions based on Newton method and Secant method. (a) (on paper) Derive the Newton method for solving nonlinear equation f(x)=0. (b) (on paper) Derive the Secant method for solving nonlinear equation f(x)=0. (c) Given a nonlinear equation f(x)=0, where f(x)=(x)/(1+e^(x))+1. i. (on paper) Write the Newton scheme to solve this equation. ii. Code for the Newton scheme derived above. iii. (on paper) Use initial guess x_(0)=0 and x_(0)=2 to run the code, respectively. Output the results, plot n vs log|f(x_(n))| or n vs log|x_(n+1)-x_(n)| for each case, and explain what you observed. iv. (on paper) Write the Secant scheme to solve this equation. v. Code for the Secant scheme derived above. vi. (on paper) Use initial guess x_(0)=0 and x_(0)=0.1 to run your Secant code. Output the result, plot n vs log|f(x_(n))| or n vs log|x_(n+1)-x_(n)|, compare the convergence speed with the Newton scheme with x_(0)=0, and explain what you observed. (d) (on paper) Given a nonlinear equation f(x)=0, where f(x)=x^(3)-2x+2. Can we use x_(0)=sqrt((2)/(3)) to initialize the Newton scheme, explain why? (e) (on paper) Given a nonlinear equation f(x)=0, where f(x)=x^((1)/(3)). Are we able to use Newton method solving this nonlinear equation, explain why? Note: In this honework, you will use tolerance e = 10-10 for the termination threshold. The n in the following represents nth iteration. 1. Answer the following questions based on Newton method and Secant method. (a) (on paper) Derive the Newton method for solving nonlinear equation f(x) = 0. (b) (on paper) Derive the Secant method for solving nonlinear equation f (x) = 0 (c) Given a nonlinear equation f(x) = 0, where f(x) = i+e+ + 1. i. (on paper) Write the Newton scheme to solve this equation. ii. Code for the Newton scheme derived above. iii. (on paper) Use initial guess xo = 0 and co = 2 to run the code, respectively. Output the results, plot n vs log|f(xn)| or n vs log|xn+1 - xn| for each case, and explain what you observed. iv. (on paper) Write the Secant scheme to solve this equation. v. Code for the Secant scheme derived above. vi. (on paper) Use initial guess xo = 0 and xo = 0.1 to run your Secant code. Output the result, plot n vs log|f(cn)] or n vs logxn+1 - xn, compare the convergence speed with the Newton scheme with xo = 0, and explain what you observed. (d) (on paper) Given a nonlinear equation f() = 0, where f(x) = x3 -- 2x +2. Can we use To = V3 to initialize the Newton scheme, explain why? (e) (on paper) Given a nonlinear equation f(x) = 0, where f(x) = x3. Are we able to use Newton method solving this nonlinear equation, explain why?

View Answer

BEST MATCH

Question 22 Defined benefit pension plans do not specify benefits per period after retirement; as a result, pension expense is based directly on the specified contributions. True False 1 pts

View Answer

BEST MATCH

This week the topic, and course materials, center around privacy. There is much to converse about with privacy – we demand privacy as consumers, yet as producers we want as much information about our potential customer as possible so that we may market our product to the right consumer. That is what Facebook has done, at least in the past, particularly well. They have created systems that can track a person’s internet history, and then they can tailor advertisements to those searches whenever that person is searching the internet. Have you ever noticed that, shortly after you search for plane fares that advertisements on Google and Facebook are from airlines? With that background, discuss what is meant by the term “privacy” in relation to customers (and people in general), and what is the level of privacy (and confidentiality) should a person have in their world. Do we necessarily waive our privacy when we search the net (or use phone apps, as another example) and, if we ensure that we have total privacy in our computer programs, does that necessarily mean we will be paying for our interest, etc.?

View Answer

kelsey h.