Numerade

Questions asked

BEST MATCH

11. (Dot Product) * Let $A = \begin{bmatrix} 1 & 4 & 5 \\ 4 & 2 & 6 \\ 5 & 6 & 3 \end{bmatrix}$ and $x = \begin{bmatrix} x_1 \\ x_2 \\ x_3 \end{bmatrix}$. Then, $x \cdot Ax = ax_1^2 + bx_2^2 + cx_3^2 + dx_1x_2 + ex_1x_3 + fx_2x_3$. Evaluate $b + d + f$. 21 22 23 24 25

View Answer

BEST MATCH

Impedance problem - part (a) Imag. Axis Z WL φ Real Axis R The impedance of a series RC circuit is illustrated in the phasor diagram above. If R = 25 Ω, L = 5.2 mH, and w = 2π × 103 rad/s, What is the magnitude Z of the impedance (in ohms)? (Use 2 significant digits in your answer.)

View Answer

BEST MATCH

A preschool age child is struggling to get their shoes on independently. The teacher says to the child “Let me help you with my words; Open the buckle wider...” The teacher continues to give step-by-step directions but does not physically touch the child’s shoe. This is an example of what theory? A preschool age child is struggling to get their shoes on independently. The teacher says to the child “Let me help you with my words; Open the buckle wider...” The teacher continues to give step-by-step directions but does not physically touch the child’s shoe. This is an example of what theory? Erikson's Psychoanalytical Theory Piaget's Cognitive Theory Vygotsky's Sociocultural Theory Bronfenbrenner's Ecological Model

View Answer

BEST MATCH

Consider the improper integral $\int_0^\infty e^{11x} dx$ This integral diverges. Find the value of the integral. (Express numbers in exact form. Use symbolic notation and fractions where needed. If the integral diverges, enter DNE.) $\int_0^\infty e^{11x} dx = $

View Answer

BEST MATCH

Please deduce which option is NOT true. Thanks QUESTION 3 Consider the differential equation y - y+ y' - y=0 and initial value y(0)=1, y'(0) =0, y"(0) = - 1. Select the alternatives that are NOT true {cos t, sin t + e', e'} is a fundamental set of solutions y(t)=cos t is the solution of the IVP {cos t, sin t} is a fundamental set of solutions only one alternative is not true

View Answer

BEST MATCH

a) By hand, find and write down the vector equation vec(r)(t) of the Curve Intersection A of the two surfaces. Show all work. b) Sketch each surface on separate graphs by hand, identifying each by name. Then, draw a third sketch with both surfaces on the same graph showing the curve of intersection. Two surfaces: y=x^2 and z+y-1=0 Curve Intersection A a) By hand, find and write down the vector equation r(t) of the d .ction of the two surfaces. Show all work draw a third sketch with both surfaces on the same graph showing the curve of intersection. Make your best attempt. Do not submit any MAPLE or calculator work

View Answer

BEST MATCH

1.5 Linear and Compound Inequalities Question 1 of 14 (1 point) | Question Attempt: 1 of Unlimited Solve the inequality. Graph the solution set, and write the solution set in set-builder notation and interval notation. Write numbers as simplified integers. $2z + 14 \ge 10$ Part: 0 / 3 Part 1 of 3 set-builder notation, the solution set is

View Answer

BEST MATCH

The fallacy of accident happens when one gives a controversial premise without justification. Question 22 options: True False

View Answer

BEST MATCH

(3) Find the real power absorbed by the load. (2 marks) (4) Find the reactive power absorbed by the load. (2 marks) (5) What is the power factor at the load? Is it an inductive or capacitive load? (2marks) (6) How do you improve the power factor at the load? (in other words, how do you improve the amount of real power delivered to the load and reduce reactive wasted power)? Draw a diagram of the improved system to demonstrate your explanation. (1 marks) R jX +440$\angle$0$^\circ$ V rms V$_L$ Load

View Answer

BEST MATCH

A police officer is concerned with excessive speeds on a portion of Interstate 85 with a posted speed limit of 66 miles per hour. Using his radar gun, he records the following speeds for 25 cars and trucks: 68 74 75 84 82 83 81 67 72 73 82 77 77 67 69 69 74 75 75 82 83 80 73 72 Click here for the Excel Data File a. Construct a stem-and-leaf diagram. Stem Leaf

View Answer

taylor w.