Math - Others Questions

3 21 Determi GA of the truss State if the members are in compression 4 kN 4 kN 2 m 4 kN 2m G D 3m GD Prob 3 21 C

3 1 3 2 b d Prob 3 1 3 2 Classify each of the following trusses as statically determinate indeterminate or unstable If indeterminate state its degree a b Prob 3 2

Step 1 We want to maximize the function f 6x 7y subject to x ys 11 2x y 18 y 6 We start by graphing the feasible region given by the set of inequalities Thus we graph the equations x y 11 2x y 18 and y 6 as Select all of the given inequalities so the solution of the constraint system is the region on or Select the lines in the first quadrant since x 0 y 0 0 Select lines Notice that the test pc satisfies does not satisfy 20 19 18 47 16 15 14 13 12 11 10 9 No Solution y 6 x 0 y 0 8 7 6 S Fill Graph Layers After you add an object to the graph you can use Graph Layers to view and edit its properties

Use the given feasible region determined by the constraint inequalities to find the maximum and minimum of the given objective function if they exist If an answer does not exist enter C 3x 9y 7 5 y 3 0 3 1 0 0 HH 1 maximum C 48 minimum C 3 4 4 5 X 6 2 7 0 7

The graph of the feasible region is shown f 8x 4y x y y x y x y 2x y 40 8x 5y 170 x 5y 100 Find the corners of the feasible region Order your answers from smallest to largest x then from smallest to largest y x y x x y Find the maximum and minimum of the given objective function if they exist If an answer does not exist enter DNE maximum f minimum f

Tutorial Exercise Set up the simplex matrix used to solve the linear programming problem Assume all variables are nonnegative Maximize f 9x 5y subject to 2x 7y 600 x 6y 375 Step 1 We want to set up the simplex matrix that would be used to maximize f 9x 5y subject to the following constraints 2x 7y 600 x 6y 375 We start by converting the constraint inequalities into equations by usin Select variables s and s This gives static 2x 7y S slack dynamic x 6y 600 375

In parts a and b below use each of 1 3 5 7 and 9 once and only once in the boxes to obtain the largest possible product Describe a possible strategy for obtaining the answer a Fill in the boxes below to complete your answer Use the Show Work learning aid to provide related calculations and additional reasoning to support your answer 7 5 3 1 9 TO 79

The graph below shows a currency exchange rate How many Indian rupees can you exchange for each pound The value of Indian rupees against British pounds Indian rupees INR 300 250 200 150 100 50 0 1 2 3

2 In each case determine whether H is a subgroup of the group R R 0 a H 1 1 b H the set of all positive real numbers c H the set of all positive integers d H a b 3 R a b Q

A certain college enrolled 29 000 students in the fall of 2015 When this data was collected it was reported that of that number 52 were female and 48 were male In addition 63 were a age of 25 How many students were there in each category if 30 of those over the age of 25 were male Draw a Venn diagram showing these relationships U Males students over 25 Females

Draw a Venn diagram for the relationship An B U An C U U A A C C B B U U A A C C B B

Use set notation to identify the shaded region O Bn AUC OBUAUC O BUA nC OBU ANC OBn AVC U A C B 2

From a survey of 100 college students a marketing research company found that 50 students owned iPods 40 owned cars and 10 owned both cars and iPods a How many students owned either a car or an iPod but not both students b How many students do not own either a car or an iPod students

Use set notation to identify the shaded region OBn AUC OBn AUC O BUA nC OBU ANC BUAUC U A C B

Let U 1 2 3 4 5 6 7 List all the members of the given set Enter your answers as a comma separated list Enter EMPTY for the empty set x x is less than 5 n x x is greater than 5

Draw a Venn diagram for the relationship AUBnC O A A B B

Let U 3 4 5 6 7 8 9 A 3 4 5 6 B 3 4 7 8 and C 5 7 9 List all the members of the given set Enter your answers as a comma separated list AU Bn C

Use set notation to identify the yellow shaded portion of the following Venn diagram U O O AUB O AnB O AUB AnB B

aw a Venn diagram showing birds bees and living creatures living creatures bees birds living creatures bees birds living creatures O bees birds living creatures birds bees

Consider the sets X and Y Write the statement in symbols The complement of the intersection of X and Y OXUY OXnY OXUY OXnY

erform the given set operation Let U 1 2 3 4 5 6 7 8 9 10 Enter your answers as a comma separated list Enter EMPTY POP the a 1 3 7 n 8 9 b 1 3 7 U 8 9 1 c 1 3 7 8 9

A poll was taken of 100 students at a commuter campus to find out how they got to campus The results were as follows 22 said they drove alone 26 rode in a carpool 26 rode public transportation 3 used both carpools and public transportation 3 used both a carpool and sometimes their own cars 3 used buses as well as their own cars 2 used all three methods How many used none of the above mentioned means of transportation 15 X students Need Help Read It Read It 0 5 Points DETAILS Watch It SMITHNM13 2 3 057 0 6 Submissions Used The Venn diagram in the figure below shows five sets A

et U 1 2 3 4 5 6 7 B 1 2 4 6 and C 3 4 7 List all the members of the given set Enter your answers as a comma separated list Enter EMPTY for the empty set BUC

Specify the set by description m i s p O distinct letters in the word prism O distinct consonants in the word Mississippi distinct letters in the word misspell distinct consonants in the word misspell O distinct letters in the word Mississippi

Five people plan to meet after school and if they all show up there will be one group of five people However if only three of them show up in how many ways is this possible ways

Specify the set by description 1 9 81 729 6561 O multiples of 9 O nonnegative powers of 9 counting numbers

pecify the sets by roster a Counting numbers containing only 4s Enter only the first four values of this set b Even counting numbers between 7 and 17

How many subsets does the set F 5 6 7 8 9 have subsets

A 3 1 2 4 25 1 6 3 1 a basket method 6 Minors and Cofactors

The Venn diagram in the figure below shows five sets E 1 11 D b 11 O AnBn Cn DnE 6 15 An BnE nCUD OAUBUCUDE O BnEn D nAUC O An E n BUCUD 21 O AnBn Cn DnE O An BnE nCUD AUBUCUDNE 22 16 27 26 7 20 A 2 12 12 31 23 28 30 10 25 18 29 19 14 8 24 9 4 It was drawn by Allen J Schwenk of the U S Naval Academy As you can see there are 32 separate regions Describe the following regions a 1 13 C 32 B

poll was taken of 100 students at a commuter campus to find out how they got to campus The results were as follows 22 said they drove alone 26 rode in a carpool 26 rode public transportation 3 used both carpools and public transportation 3 used both a carpool and sometimes their own cars 3 used buses as well as their own cars 2 used all three methods ow many used none of the above mentioned means of transportation students

Use Venn diagrams to prove or disprove each statement Remember to draw a diagram for the left side of the equation and another for the right side If the final shaded portions are the sam you have proved the result If the final shaded portions are not identical then you have disproved the result An BUC An B n An C left side Venn diagram U C B B U A A B B

Use set notation to identify the shaded region O An B O An B O AnB O AUB OAUB U A B

Draw a Venn diagram for the relationship AUB O U U A A B B U U A A B B

At noon ship A is 20 nautical miles due west of ship B Ship A is sailing west at 23 knots and ship B is sailing north at 25 knots How fast in knots is the distance between the ships changing at 6 PM Note 1 knot is a speed of 1 nautical mile per hour

A 2 year old is to receive a 1 tbsp dose of an oral liquid medication Which piece of equipment is the best choice to administer this to the child 2 tbs 1 tbs 2 tsp 1 tsp 1 2 150 01 02 1 30 mL 25 mL 20 ml 15 mL 10 mL 5 mL wwwwwwwwwwwwww 1ml tsp 2mL 3ml Isp 4ml 5ml 2 THE BEST SE 3 12 312 12 32 tsp tsp 4

Write the compound statement in symbolic form Assign letters to simple statements that are not negated and show grouping symbols in symbolic statements Filing a health report and an insurance claim is necessary for each physician or patient Let p represent the simple statement File a health report q represent File an insurance claim r represent a physician and s represent a patient The compound statement written in symbolic form is

The amount of the 2nd payment used to reduce the debt is S Type an integer or a decimal Amortization Table Payment Number DANMASIN 2 3 9 10 11 12 Amount of Payment 472 80 472 80 472 80 472 80 472 80 472 80 472 80 472 80 472 80 472 80 472 80 472 78 Amortization Table Interest for Period 100 00 92 54 84 94 77 18 69 27 61 20 52 97 44 57 36 01 27 27 18 36 9 27 Portion to Principal Principal at End of Period 5000 00 4627 20 372 80 380 26 4246 94 387 86 3859 08 395 62 3463 46 403 53 411 60 419 83 428 23 438 79 445 53 454 44 463 51 3059 93 2648 33 2228 50 1800 27 1363 48 917 95 463 51 0 00 X

Find the present value of an ordinary annuity which has payments of 1700 per year for 13 years at 8 compounded annually The present value is Round to the nearest cent PO

A book store manager observes that the number of calendars sold seems to vary inversely as the price per calendar If the store sells 620 calendars per week when the price per calendar is 17 80 how many does he expect to sell if he lowers the price to 14 40 Round your answer to the nearest integer if necessary Answer Keypad Keyboard Shortcuts

Find the cash value of the lottery jackpot given below Yearly jackpot payments begin immediately Assume the lottery can invest at the given interest rate 7 000 000 jackpot 5 interest 20 annual payments Jackpot Amount Interest Equal Annual Present Value Rate Payments in dollars 7 000 000 5 20 Round to the nearest dollar as needed Points 0 of 2 www

1 There are 249 giraffes out of 726 large animals in the nature preserve Find the ratio of giraffes to the total number of large animals in the park State your answer as a fraction

Consider the following function Answer g x 3 7 2x 5 if x 2 Step 2 of 3 Identify the general shape and direction of the graph of this function on the interval 2 0 if x 2 Ke Keyboard Sh

4 Let A 1 3 2 0 C C 10 Find the value s of c so that A is not invertible

An arrow is launched upward with a velocity of 320 feet per second from the top of a 50 foot structure What is the maximum height attained by the arrow height function 4

Enter the matrix B Then use the qr command to find the QR factorization of B storing the orthogonal matrix in QB and the upper triangular matrix in RB Note that while the focus of the last section of the zyBook was on square matrices QR factorization can be done for any size matrix

launched upward with a velocity of 320 feet per second from the top of a 50 foot structure What is the maximum height attained by the arrow height function ter your answer opens in new window The height of an object in feet can be represented by Height Function h t 16t2 M t h where I is in seconds Here vo represents the initial velocity of the object in feet per second and ho represents the initial height of the object in feet Keypad Keyboard Shortcut

Use the tips dataset Output the first 5 records of the Dataframe Then create one or more Python lines to calculate the average total bill for male smokers and show the output which would be the column name total bill and a number

An arrow is launched upward with a velocity of 192 feet per second from the top of a 95 foot stage What is the maximum height attained by the arrow Answer height f KE

a population of bacteria initally 700 too as is that it growing 18 46 30 minutes so every increases by as give an equation for the as population P a function the number passed b How long population to E hours does it take the double in size 1 001 s188 091