College Math - Others Questions

20 24 If tan and cot for 21 7 a second quadrant angle x and a third quadrant angle find the following a sin a B b cos x B c tan B d sin B e cos f tan B

olve the linear system x z 3 2x 4 22 7 3x 24 62 8

lim infinite sqrt x 2 6x x

2 E lo 20 A 4 H 2x 3 K B X 3 x 2 M 55 P F 54 G H 28 42 35 J N 3x 2 0 48 66 H

Find S C 0 1 3 2 z sinh z dz

A recent graduate s student loans total 16 000 If these loans are at 4 6 compounded quarterly for 8 years what are the quarterly payments Round your answer to the nearest cent

Determine your business idea concept the product or service that you plan offer Create your Business Plan document Business Plan Tompleto dos

Let A and B are square matrices of order 4 such 1A 2 and 1B 5 Find the following AB b A c 43 d AB e A f A a

Write the transformed function of x if a y x if a 3 b 2 h 5 and k 1

Prove det AB det A det B

T Prove AB AT BT

Let A be nxn matrix each of whose rows adds P to zero Find A

Find the determinant of the matrex 0 3 3 0 5 0 3

Find the area of the triangle having yertiles 1 1 1 and 0 2 triangle having the given

Find A if 3A 4 3

Prove the following statement If AA and B2B ard AB BA then AB AB

Prove the following statement If A is invertible matrex then AT A

Without actually doing the calculations decide which if either of the following two sets of data will have the greater standard deviation Explain why 8 11 12 13 15 19 8 9 9 10 10 11 Choose the correct answer below OA The standard deviations would be the same since the spread of data about each mean is the same OB The first set will have the greater standard deviation because the data have a smaller spread about the mean OC The first set will have the greater standard deviation because the data have a greater spread about the mean OD The second set will have the greater standard deviation because the data have a greater spread about the mean

By studying the standard deviation formula given below explain why the standard deviation of a set of data will always be greater than or equal to 0 x x S n 1 Choose the correct answer below A The values of x x 2 will always be greater than or equal to 0 OB The mean x will always be greater than or equal to 0 OC The values of x will always be greater than or equal to 0 OD The values of x x will always be greater than or equal to 0

Assume that a particular professional baseball team has 10 pitchers 6 infielders and 13 other players If 3 players names are selected at random determine the probability that all 3 are infielders What is the probability that all 3 selected are infielders Type an integer or a simplified fraction

For the following set of numbers find the mean median mode and midrange 10 10 11 12 14 14 14 15 26 The mean is 14 The median is

In a recent year 25 000 people visited a water park The park was open 130 days for water activities The highest number of visitors on a single day was 600 The lowest number of visitors on a single day was 60 Determine whether it is possible to find the following with the given information a Is it possible to find the mean number of visitors per day 00 Yes No

In a recent year 25 000 people visited a water park The park was open 120 days for water activities The highest number of visitors on a single day was 600 The lowest number of visitors on a single day was 60 Determine whether it is possible to find the following with the given information Yes No b Is it possible to find the median number of visitors per day No Yes c Is it possible to find the mode of the number of visitors per day No Yes

Determine the mean median mode and midrange of the set of data 4 6 8 10 12 14 16 18 What is the mean Simplify your answer

Using the following values find the mean median mode and midrange 53 46 33 44 54 41 57 The mean is Round to the nearest tenth as needed

Determine the mean median mode and midrange of the set of data 1 9 13 27 35 15 11 8 1 What is the mean

The salaries of 10 employees of a small company are listed 27000 86000 to the right Complete parts a through f below 26000 29000 31000 32000 30000 87000 30000 25000 a Determine the mean The mean salary is Simplify your answer

Suppose a student got the following grades on the exams in their mathematics course Complete parts a and b below 75 68 55 66 82 63 83 a Calculate the mean median mode and midrange of the student s exam grades in their mathematics course

The Taylors have recorded their weekly grocery expenses for the past 12 weeks and determined that the mean weekly expense was 85 30 Later Mrs Taylor discovered that 1 week s expense of 78 was incorrectly recorded as 48 What the correct mean The correct mean is Round to the nearest cent as needed

Construct a set of six pieces of data with mean median and midrange of 61 and where no two pieces of data are the same Choose the correct answer below OA 51 54 55 67 69 70 OB 58 59 60 62 63 64 OC 53 56 59 63 67 69 OD 55 57 59 62 66 67

For the following set of numbers find the mean median mode and midrange 10 10 11 12 14 14 14 15 26 The mean is www

To get a grade of B a student must have a mean average of 84 or greater Jim has a mean average of 83 for 10 quizzes He approaches his teacher and asks for a B reasoning that he missed a B by only one point What is wrong with Jim s reasoning If Jim has an average of 83 the sum of his quiz grades must be For a grade of 84 the sum of the quiz grades must be So Jim missed a B by points not 1

The mean score on a set of 26 tests is 76 What is the sum of all the test scores The sum of all the test scores is

Which notation expresses the number of combinations of 6 items selected from 9 distinct items Choose the correct answer below O A 6P9 OB 6C9 OC 9 OD 9P6

A bag contains 6 red balls and 7 green balls You plan to select 5 balls at random Determine the probability of selecting green balls The problem is to be done without replacement Use combinations to determine the probability www The probability is Type an integer or a simplified fraction

If 5 cards are dealt from a standard deck of cards how many different ways can four face cards and one non face card be dealt A face card is a king queen or jack www There are five card hands consisting of four face cards and one non face card Type a whole number

Set up the problem as if it were to be solved but do not solve Assume that this selection is done without replacement Determine the probability of being dealt 2 tens from a standard deck of 52 cards when 2 cards are dealt P 2 tens

A dog breeder has 13 puppies for sale of which 7 are yellow Labrador retrievers If 3 puppies are selected at random determine the probability they are all yellow Labrador retrievers Assume that selection is to be done without replacement Set up the problem as if it were to be solved but do not solve P 3 yellow Labradors selected

A distinct group of objects without regard to their arrangement is called a A distinct group of objects without regard to their arrangement is called a permutation list

Nine red balls and seven blue balls are in a bag If two balls from the bag are to be selected at random determine the probability of selecting two red balls Assume that selection is to be done without replacement Set up the problem as if it were to be solved but do not solve P 2 red balls selected

Jenny White is shopping for CDs She decides to purchase 5 movie soundtracks The music store has 8 different movie soundtracks in stock How many different selections of movie soundtracks are possible different possible selections of movie There are soundtracks at the music store

Jeanine Baker makes floral arrangements She has 14 different cut flowers and plans to use 6 of them How many different selections of the 6 flowers are possible How many ways can the 6 flowers be chosen

Evaluate 15 C2 and 15P2

A food company is testing 5 chocolate chip cookies 4 crackers and 7 reduced fat cookies If it plans to market 3 of the chocolate chip cookies 2 of the crackers and 1 of the reduced fat cookies how many different combinations are possible There are possible combinations Tyne a whole number

A textbook search committee is considering 17 books for possible adoption The committee has decided to select 7 of the 17 for further consideration In how many ways can it do so They can select different collections of 7 books

Evaluate the expression a 10 C4 b 10P4 al Simplify our answer

Evaluate the expression 10 C4 10C

Walgreens is offered a chain discount on cosmetics from Libby Corp of 8 5 2 Roma Company offers a chain discount of 7 6 4 What is the highest discount offered 14348 839232 85652 160768

The price of a iPod dropped from 299 99 to 180 55 What was the percent decrease in price Round to nearest hundredth percent 39 82 39 81 39 80 39 None of these

Lester Co produces toys kites It has a fixed cost of 62 150 If the selling price per unit is 9 50 and the variable cost per unit is 6 25 the breakeven point is 9 207 6 542 22 600 29 860 None of theco