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cheryl lee

cheryl l.

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The annual salary of teachers in a certain state has a mean of μ=$ 54,000 and standard deviation of σ= $ 5,000 . Use this information to answer the questions below. Flag question: Question 4 Question 41 pts What is the probability that a randomly selected teacher from this state has an annual salary of $55,500 or more. Group of answer choices We cannot find the probability with the given information. P(X>$55,000)=P(Z>0.3)=0.3821

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how many water molecules are produced during the formation of a triglyceride from fatty acids and glycerol

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Consider the initial value problem for the vector-valued function x, $x' = Ax$, $A = \begin{bmatrix} -10 & -4 \\ 12 & 4 \end{bmatrix}$, $x(0) = \begin{bmatrix} -5 \\ 5 \end{bmatrix}$ Find the eigenvalues $\lambda_1, \lambda_2$ and their corresponding eigenvectors $v_1, v_2$ of the coefficient matrix A. (a) Eigenvalues: $\lambda_1, \lambda_2 =$ ? Note: You must enter two numbers separated by a comma. (b) Eigenvector for $\lambda_1$ you entered above: $v_1 =$ ? (c) Eigenvector for $\lambda_2$ you entered above: $v_2 =$ ? (d) Find the solution $x(t)$ of the initial value problem above. $x(t) =$ ? Note: To enter the vector $(u, v)$ type $<u,v>.$

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Which of the following statements correctly declares a variable named price to store the price of a product? (Select all the correct answers) Group of answer choices int price; float price; double price;

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What are the stages of the new product development process? a. idea generation, idea screening, market research, focus groups, intercept surveys, and observation research b. idea generation, idea screening, market research, development, testing, and observation research c. idea generation, idea screening, analysis, development, testing, and promotional planning d. idea generation, idea screening, analysis, development, testing, and commercialization

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What do the circled lines in the graphic represent? LAN-to-LAN connection WAN connection Switch-to-router connection None of these are correct. What do the circled lines in the graphic represent? LAN-to-LAN connection WAN connection Switch-to-router connection None of these are correct.

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Visually estimated diameter in centimeters of a circle with a conference of 5.15 inches

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AP Physics 1 Rotational Motion Test 1 Multiple-Choice questions-choose the best answer. 1. An object starts from rest and accelerates at a constant rate in a circular path. After a certain time t, the object reaches the angular velocity ?. How many revolutions did it make during time t? A. 4?? B. 4?/?t C. ?t/4? D. 4?t 2. A car's tire of radius 0.50 m has an angular displacement = 2t² – 4t + 8. Find the angular velocity of the tire at t = 2.0 s. A. 0 rad/s B. 2 rad/s C. 4 rad/s D. 8 rad/s 3. An object has an initial angular velocity of 5.0 rad/s and undergoes an angular acceleration of 15 rad/s². What is the final angular velocity after 3.0 s? A. 25 rad/s B. 30 rad/s C. 50 rad/s D. 60 rad/s 4. Torque is the rotational analog of which of the following quantities? A. kinetic energy B. linear momentum C. acceleration D. force 5. Two wheels are fixed to each other and are free to rotate about a frictionless axis through their concentric centers. Four forces are exerted tangentially to the wheels. The magnitude of the net torque is: A. zero B. FR C. 2 FR D. 4 FR 6. In the diagram below, two boxes with masses, 3 kg and 7 kg are attached to the ends of a 1 m long lever. At which of the following points should the lever be placed on a fulcrum in order to keep the lever at equilibrium? A. A or E B. B C. C D. D

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Psychometrics is the general term for Select one or more: a. making projective tests of personality b. measuring insanity. c. playing psychological games. d. assessing mental abilities Alfred Binet developed one of the first measures of intellectual functioning for the purpose of Select one or more: a. showing that some people were better suited for particular types of work. b. proving that wealthy people deserved to be wealthy because they were better. c. identifying school children who needed some form of specialized education. d. documenting how much intelligence was inherited. The IQ number is found by Select one or more: a. describing ink blots in smart ways. b. completing both verbal and non-verbal assessments. c. taking a test of academic achievement. d. dividing the Mental Age by Chronological Age and multiplying by 100.

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Exercise 2: Add and subtract in 2's Complement We suppose we have 8 bits registers and signed numbers in the 2s complement system. Compute the following: 1. $+8_{10} - 2_{10} = ( )_2$ 2. $-8_{10} + 2_{10} = ( )_2$ 3. $-12_{10} - 11_{10} = ( )_2$ 4. $AF2_H + C0E3_H = ( )_H$

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