Complex numbers Questions and Answers

The equation W 7 0 1 5A modeling weight as a function of age expressed in units of measure only is Ib lb lb month Express the equation C 17P 10 which describes the relationship between the number of persons Pin a dining party and the total cost in dollars C of their meals in units of measure only dollars cents persons dollars person dollars cents person persons dollars persons dollars persons dollar cents persons dollars person O dollars dollars persons dollars persons cents months

Assume S 0 9Y 24 describes the projected relationship between S sales of a company in millions of dollars for Y years from today What would be the projected company sales in three years millions of dollars

You want to purchase a new computer for 1 500 from Computer Superstore Since you don t actually have 1 500 for the computer you decide to apply for a store credit card When a person makes a purchase with a credit card they are often charged interest Interest is a fee charged in exchange for allowing you to borrow money and is usually calculated as a percent of the balance you owe There are three different credit cards available at Computer Superstore niso

Perform the indicated operation n 5 n 5 n 5 n 5 n 5 n 5 11

Perform the indicated operation x 4 2x 3 x 4 x 4 2x 3 x 4

Find the product 7y y 8 5y y 1 7y y 8 5y y 1 Simplify your answer

The gender and year of each of the 221 students in a high school band were recorded The data are summarized in the table below Freshman Sophomore Junior Senior 20 34 27 14 24 Male Female 59 21 22 Suppose a student from the high school band is chosen at random Answer each part Do not round intermediate computations and round your answers to the nearest hundredth a What is the probability that the student is a sophomore given that the student is male b What is the probability that the student is a junior

Use the FOIL method to find the product 5a b 8a 5b FLY

Find the special product 3a 7b C

Find the product 4n 3p 4n 3p 4n 3p 4n 3p Simplify your answ

Use the FOIL method to find the product 4x 7 5x 1

Find the product using the FOIL method q 8 q 5

Use the distributive property to find the product 1 5n 10n 15

Use the distributive property to find the product 3a 4a 2a 4

A box has 19 candies in it 2 are caramel 7 are peppermint and 10 are taffy Each candy falls into only one of these categories Keiko wants to select two candies to eat for dessert The first candy will be selected at random and then the second candy will be selected at random from the remaining candies What is the probability that the first candy selected is peppermint and the second candy is taffy Do not round your intermediate computations Round your final answer to three decimal places

A news organization surveyed 70 adults Each said he or she gets news from only one source Here is a summary of their sources of news Source of news Number of adults Radio 23 Internet 13 Newspaper 24 Television 10 Three of the adults from the survey are selected at random one at a time without replacement What is the probability that the first two adults get news from television and the third gets news from the radio Do not round your intermediate computations Round your final answer to three decimal places m

Homage to My Hips by Lucille Clifton My Papa s Waltz by Theodore Roethke Those Winter Sundays by Robert Hayden My Last Duchess by Robert Browning Read Lucille Clifton Homage to My Hips and then listen as Author Lucille Clifton reads Homage to My Hips Click Play Answer the questions that follow 1 What is unusual about the subject matter of this poem Considering that some people are embarrassed to mention their hips what attitudes does the speaker express here W adjectives might describe the speaker 2 How do the words enslaved want to go want to do mighty and spell define the poem s ideas about the relationship between mentality and physicality 3 To what degree is this a comic poem What about the subject and the diction make this poem humorous Read Theodore Roethke My Papa s Waltz and click to listen as a Grandfather talks about My Papa s Waltz Now listen as Author Theodore Roethke reads My Papa s Waltz

Factor the following difference of two squares completely 2 49z 81

Factor the perfect square completely 4 z 22z 121

Use the distributive property to find the product 5x 6x 7

Find the product 3x 6x 1 3x 3 Type an expression using x as the variable Simplify your a

Multiply using the rule for the square of a binomial 3y 4

Multiply using the rule for the square of a binomial 4x 2 x 21 5

nd the product 3y 9 cep by Step Solution cep 1 Because 3y 9 2 is in the form A B 2 use A B A 2AB B with A 3y and E A B 2 A 2AB B

Factor the polynomial completely If the polynomial cannot be factored say it is prime 3 2 2x 18x 36x Select the correct choice below and if necessary fill in the answer box to complete your choice A 2x 18x 36x 3 2 B 3 Type your answer in factored form 10 2

A sample of 373 people is selected The people are classified according to place of residence urban suburban or rural They are also classified accordin to highest educational degree earned no college degree two year degree four year degree or advanced degree The results are given in the contingency table below Urban Suburban Rural No college degree Two year degree Four year degree 43 25 35 38 23 19 19 39 43 Advanced degree 25 31 33 What is the relative frequency of people in the sample whose place of residence is urban and whose highest degree is a four year degree Round your answer to two decimal places

Write the function whose graph is the graph of y x but is shifted to the left 8 units y Simplify your answer

Click here to watch the video A function is reflected about the x axis by multiplying it by which of the following Choose the correct answer below O A 1 OB 0 O C 1 D none of the above

Multiply and simplify 40 3 2 8n 16 n 47n 5 9 8n 83 16 2 40 40 5 2 n

Simplify the expression xy x5y 3x xy x5y 3x

Find the product x 2 x 4 x 2 x 4 Simplify your ans

Find f x and g x such that h x fog x 9 h x x 9 Suppose that g x x 9 f x

The function f x x 1 x20 is one to one a Find the inverse off and check the answer b Find the domain and the range of f and f c Graph f f and y x on the same coordinate axes a r x Simplifyour answer Use integers or fractions for any numbers in the expression

Simplify the following expression x 11x7 2x x 11x7 2x De

Multiply the monomials 7x8 8x5 7x 8x

Simplify the expression 3 5m n 3 5m n Simplifie

implify the expression 3 3 2 Simplify your answer Type an integer or a fra

Simplify the expression 50 4 5c

2y 6x 2y 0 View an example Aparts sh Rationalize the denominator 4 5y 3 10x4 Finally remove a factor of one 2 3 5y 4x y y 4x y

Multiply and simplify the following expression 1 xy 18xy 8 13 x xy 18xy

Multiply and simplify 6x y8 2x y 6x y8 2x y Simplify your answer Type your answer using exponential no

Multiply 3x 2x 3x 2x Simplify your answ

Simplify the expression using the products to powers rule 2y4 3 4 3

Simplify the expression 3y 3 23 Simplify your answer Tvne your answer using exponen

Simplify the following expression z 7 E 377

Simplify the expression z7 4 714

Simplify the expression using the power rule 20 5 3 3 20157 Type exponential notation with positive expo

Simplify the following expression c c d8 c c d Simplify your answer

If a is a real number and m and n are natural number exponents then am n m n

Fill in the blank 3m an E am n am n