College Math - Others Questions

E Question 23 of 28 1 point I Question Attempt 1 of Unlimited Refer to functions m and q Evaluate q m x and write the domain in interval notation Write your answers as Integers or simplified fractions m x x 3 1 x 8 Part 0 2 Part 1 of 2 q x 8 X S

A rigid bar ACE is supported by three vertical wires and is initially horizontal as shown in the figure Then a force P is applied at the center of the bar All wires are made from the same material with modulus of elasticity E 200 GPa and have the same cross sectional area A 10 mm You may assume that the deformations are small and that the stresses are within the elastic range for this problem 1 5 m B A 1 0 m D C P 1 0 m F A E 2 0 m Figure 3 1 Rigid bar supported by three vertical wires a Find the normal stresses and the axial displacements in the wires if P 15 kN b Knowing that AB is the critical wire and its yield stress is oy maximum P that can be applied 1500 MPa find the

1 of 2 with this part This figure is available to the left Enter your answer as a number in the box below and then submit your answer by clicking Submit Instructions like this appear above the answer boxes where needed Number of squares Submit Part B Request Answer What is the magic number Figure 2 Note that there is a figure also associated with this part However the figure for Part A may still be visible on the left To view the figure associated with Part B click on the figure link A new figure should appear on the left You could try to guess the magic number but you would probably use up all your tries before getting the answer Notice the new Hints button above the answer box for this question Clicking this button will open up a list of hints that will guide you to the correct number Express your answer as an integer View Available Hint s Magic number VAE 92224

Communicate Communication is a strong suit in our relationship primarily because my friend employs informational language that is open and non judgmental An example of this would be when I was contemplating a career change Rather than dictating what she thought was best she presented me with questions and information that helped me reflect on my desires and make an informed decision This approach respected my autonomy while also providing the guidance I needed

4 Acknowledges and Accepts Expressions of Negative Affect as Okay One of the most supportive aspects of our friendship is the space we give each other to express negative emotions without fear of judgment For example during a particularly stressful period I found myself frequently venting my frustrations Rather than dismissing my feelings or offering unsolicited advice she listened and acknowledged that it was okay to feel overwhelmed This acceptance made me feel supported and understood reinforcing the trust and closeness in our relationship

on Find the exact volume of the solid obtained by revolving the region bounded by the graph of e y 4 f y and by y In 4 around e y 2 1 the y axis Hint Use the disk method

Choose the best answer to the following question Explain your reasoning with one or more complete sentences Which line does the letter A have reflection symmetry along Choose the correct answer below OA It has reflection symmetry going diagonally through its middle The letter A remains unchanged when reflected across this line B It has reflection symmetry going diagonally through its middle A pattern composed of the letter A remains unchanged when translated in this direct OC It has reflection symmetry going horizontally through its middle A pattern composed of the letter A remains unchanged when translated in this direc OD It has reflection symmetry going vertically through its middle The letter A remains unchanged when rotated across this line OE It has reflection symmetry going vertically through its middle The letter A remains unchanged when reflected across this line OF It has reflection symmetry going horizontally through its middle The letter A remains unchanged when rotated across this line O

Given 6 6 kilometers is one side of a golden rectangle find the length of the other side Notice that the other side could be either longer or shorter than the given side Use the approximation 1 62 Round to two decimal places A 10 69 km or 4 07 km B 17 29 km or 2 52 km OC 10 69 km or 0 25 km OD 17 29 km or 0 40 km

Which of the following is the graph of r 12 12 cos 0 Note that the r grid lines occur in increments of 4 OA OB O C 0 OD Q 0 O E 0 0 OF 0 0 0 5

Starting with a tone having a frequency of 181 cycles per second find the frequency of the tone that is four octaves higher OA 724 cps OB 1 448 cps OC 2 896 cps D 32 761 cps

cos 0 7 cos 0 2 0 Solve in general

Use the compound interest formula for continuous compounding to determine the accumulated balance after the stated period A 6 000 deposit in an account with an APR of 6 3 compounded continuously for 9 years O A 10 577 82 OB 6 390 16 O C 4 869 19 D 10 398 02

Evaluate or simplify the following the expression 100 2 O A 20 OB 40 O c 50 O D 10

Determine whether the following statement is true or false If you deposit 12 000 in an in investment account today it can double in value to 24 000 in just a couple decades even at a relatively low interest rate 4 False True

Dit qui You want to have a 40 000 college fund in 6 years How much will you have to deposit now in an account with an APR of 5 and annual compounding OA 29 848 62 B 28 949 30 C 31 930 99 O D 24 949 06

What is the general form of the compound interest formula for interest paid once a year OA A PX 1 APR Y B A PXAPR OC A P APRXY OD A PXAPRY

The expenses and income of an individual are given in table form Find the net monthly cash flow it could be positive or negative Assume salaries and wages a after taxes that 1 month 4 weeks and that 1 year 12 months Round your answer to the nearest dollar Income Salary 29 000 year Jewelry sales 200 month OA 310 127 Expenses House payments 1400 month Groceries 90 week Household expenses 300 month Car insurance 350 semiannually Donations 300 year Miscellaneous 600 month KOOD

Which number of simulation trials would be likely to produce results that a closest to those predicted by probability theory O A 50 OB 70 O C 40 O D 60

Although the earth formed about 4 6 Ga and there is evidence of some solid geologic materials by 4 4 Ga for this evidence for stable continental crust and oceans doesn t appear until about 3 0 Ga 2 0 Ga O 1 0 Ga 4 0 Ga f

Find f g x and identify the graph of f g f x x and g x 6 Part 0 2 Part 1 of 2 f g x 9 0 0 0

To approximate the area of a lake a surveyor walks around perimeter of the lake taking the measurements shown in illustration Using this technique what is the approximate of the lake 35 ft 40 ft 80 ft 20 ft 100

If f x 4x 3 compute the first second and third derivative of f x f x f x f x Submit Answer

If f x f x f x 2x compute the first and second derivatives of f x 4x 9 Submit Answer E

If f x 9x3 9x3 f x f x f x 1 3x 3x 7x 5 compute the first second and third derivative of f x 1

Let A be an 3 x 3 invertible matrix such that 2 is an eigenvalue of A with the corresponding eigenvector v Then one of the following is true 1 O a is an eigenvalue of A with eigenvector differ from v O b 2 is an eigenvalue of A 1 with the same eigenvector v Oc None O d 2 is an eigenvalue of AT with the same eigenvector v Oe 4 is an eigenvalue of A2 with the same eigenvector v

Answer saved Marked out of 2 00 If A O a O b C adj A 3 1 1 0 13 0 1 2 3 1 1 O d None O e 0 23 1 Clear my choice

Not yet answered Marked out of 2 00 The general solution of the following second order linear ODE y 3y 2y 0 is O a y x C e c e 2x O b None O c y x c e c e O d y x c e Oe y x c e c e

2 00 The function y x e is the solution of the following IVP y y y 1 1 O True O False

One of the following ODES is an exact DE O a x y dx y 2x dy 0 O b x y dx 2xy dy 0 O c None O d y 2 dx 2x 1 dy 0

Of 2 00 The eigenvalues of the matrix A O a 1 3 O b 1 3 O c 1 3 O d None O e 1 3 1 1 4 are

Not yet answered Marked out of 2 00 One of the following is a solution of the differntial equation y xy 0 Qa None O b O C O d 2 e 2 1 LIT e 2 Oe x

Not yet answered Marked out of 2 00 The following differntial equation y x y is a first order linear ODE O True O False

The eigenvalues of the matrix O a A 0 2 3 O b A 0 1 3 Oc A 0 1 2 O d A 0 2 2 O e None 0 2 2 1 1 2 0 1 0

Let A 1 0 0 0 0 1 1 0 40 000 04 00 Then rank A O a 4 O b 2 O c 1 O d 0 O e 3

Question What trigonometric substitution should be used to find the arc length of f x 2 ln 2x over 1 4 The arc length is 1 da Leave a out of your answer and give the answer in terms of 0 For example If the substituti given by is a cos answer cos 0 Provide your answer below

where Describe UA and A where A is the collection of sets of the form An Civen the relation r CZ such that me 2 n n TEM

To approximate the area of a lake a surveyor walks around perimeter of the lake taking the measurements shown in illustration Using this technique what is the approximate of the lake Completed in 1902 in New York City the Flatiron Building is triangular shaped and bounded by 22nd Street Broadway 5th Avenue The building measures approximately 87 feet the 22nd Street side 190 feet on the Broadway side and feet on the 5th Avenue side Approximate the ground area covered by the building 8 5 in 35 ft 40 ft 17 in For no 1 80 ft 4511 For no 2 8 5 in 20 ft 100

The graph of a x is shown below let b x 2 x 2 3 Graph 4 x and b x on the same Set of axes a x n 5 5

if x 4 cx Let f x 10 dx if x 4 Find c d so that f x is continuous for all x d C

Solve the linear programming problem z 5x 5y 7x 6y 133 18x 7y 185 Maximize subject to x y 45 x 0 y20

2 Find Ex Let A and eigne vector A A Find the eigne value A A 21

A box contains three cards On one card there is a rectangle R on another card there is an apple A and on the third card there is a sun S Two cards are to be selected at random with replacement Complete parts a through below C OD RR RA RS SR SA SS c Determine the probability that two rectangles are selected The probability is Simplify your answer 9 d Determine the probability that a card containing a rectangle and then a card containing a sun are selected The probability is Simplify your answer 9 e Determine the probability that exactly one card containing a rectangle is selected The probability is Simplify your answer

20 Which players in the coalition P1 P3 P4 are critical A P1 only B None of the players C P1 and P3 only D All three players E none of these 21 The Banzhaf power distribution of the weighted voting system is A P1 40 P2 20 P3 20 P4 20 B P1 70 P2 10 P3 10 P4 10 C P1 25 P2 25 P3 25 P4 25 D P1 60 P2 20 P3 10 P4 10 E none of these as steyeganov beinglaw adi 20 21

For problems 22 25 refer to the weighted voting system 8 6 3 2 and the Shapley Shubik definition of power The three players are P1 P2 and P3 22 Which player in the sequential coalition P1 P2 P3 is pivotal A P3 B P1 C P2 D All three players F none of these 22

1 If ozone concentration is recorded as 0 15 ppm at a place where the pressure is 2 atmospheres and 30 C express this concentration in micrograms per cubic meter

Ricardo believed that the government should not interfere with wages Wage should be determined solely by unhindered market forces O True O False

As you mold yourself into a leader you want to really assess your current state of development and determine where you want to proceed from there The first phase in the development planning process is to conduct a GAPS goals abilities perceptions and standards analysis which involves the following steps Identifying career goals Identifying strengths and development needs related to the career goals Determining how one s abilities skills and behaviors are perceived by others by asking others for feedback or through performance reviews or 360 feedback instruments Think back on performance reviews or ask now Determining the standards one s boss or organization has for one s career objectives What feedback have you received informal or formal If you ve never had direct reports omit This is a simple self analysis for reference as you develop and grow Challenge yourself to continuously evaluate yourself as your continue to development your leadership skills Directions Refer to figure 3 2 A Sample GAPS Analysis on page 94 of your text In a WORD document create a simple 4 quadrant table like this figure and answer the questions as laid out in Figure 3 2 thoroughly After answering thoroughly see Figure 3 3 on page 96 Under your completed table address the Development Objectives Describe your current position and next proposed position

Watch the following video on Maite s experience caring for her mother with Alzheimer s disease Picture yourself as Maite Imagine the challenges both emotionally and logistically of being in her position What do you think would be the hardest aspect of this for you How would you prioritize the demands of daily life

Review the instructions for homework 2 in the link at the top of our class modules page For full credit be sure to discuss all aspects of one relationship that you currently have minimum one page to provide details Even if that relationships doesn t meet each concept discuss how it doesn t meet it Homework 2 respond to the following Think about the quality of one of your own relationships Try to identify what it is about your motivating style and the motivating style of the other person that contributes to the quality of that relationship Estimate the other person s way of interacting with you in terms of how much he or she Nurtures your inner motivational resources Relies on informational language to communicate with you Promotes your valuing Acknowledges and accepts your expressions of negative affect as okay Be sure to give examples of each of the above You must include all four areas in your paper

B A W18 x 71 is used as a beam with an unbraced length of 9 feet Use F 65 ksi and C 1 and compute the nominal flexural strength Compute everything with the equations in Chapter F of the AISC Specification