Basic Math question and answers for September 18, 2024
- Q If a = -3 and b = -i, then find the value of ab in fully simplified form.Answer:Submit Answer
- Q Express in simplest a + bi form:(6-5yi) (5-i) + (6 - 5yi)(2+i)
- Q Express (2/3 + ?2/3i) in simplest a + bi form.
- Q (4-3i) in simplest a + bi form.Express ?5Answer:Submit Answer
- Q Write as a trinomial in simplest form:(4z -3i)
- Q Write as a trinomial in simplest form:(4y - 51)2
- Q Simplify the expression to a + bi form:(-7-9i) + (10 + 10i)
- Q Simplify the expression to a + bi form:-?81-?-20+?1+?-80
- Q Simplify the expression to a + bi form:(4+2i)+(-12-2i)
- Q Watch help videoIf a = -5i and b = 2 + i, then find the value of ab in fully simplified form.Answer:Submit Answer
- Q Write ?-18 in simplest radical form.
- Q Simplify the expression to a + bi form:(-7-3i)(11- 8i)
- Q Simplify the expression to a + bi form:(11 +5i)(-10-8i)
- Q A fossilized leaf contains 34% of its normal amount of carbon 14. How old is the fossil to the nearest year? Use 5600 years as the half-life of carbon 14.A....
- Q Information is given about a polynomial function f(x) whose coefficients are real numbers. Find the remaining zeros of f. Degree 6; zeros: 2, 4+7i, -7-3i, 0
- Q Multiply. (-5+3i)(-6+2i) Write your answer as a complex number in standard form.
- Q Express ?-64-?-49 as a complex number in standard form:?64-?? 49 =Question Heln:
- Q Consider the following polynomial inequality.x(x + 8)(x - 1) > 0Step 1 of 2: Set one side equal to zero and list the interval endpoints (the only points at which...
- Q If v= 2i - 3j and w=xi + 9j, find all numbers x for which ||v+w|| = 7.Select the correct choice and fill in any answer boxes in your choice...
- Q What is the value of the modulus of 6 - 4i?Enter your answer as a simplified radical in the box.
- Q Rewrite the expression in a + bi form: -3 + i/6 +6i
- Q Let z = -5 + 6i, and 22 = a + bi. What are the values of a and b?a =andb=
- Q Use a calculator to perform the indicated operations. Give the answer in rectangular form,expressing real and imaginary parts to four decimal places.55(cos7?/9 + i sin7?/9)/27.5 (cos3?/8+ i sin3?/8)
- Q Determine the polar form of the complex number 5-3i. Express the angle in degrees, where 0 ? ? ? 360, and round numerical entries in the answer to two decimal...
- Q Add or subtract. Write the answer in standard form.(17-12i) - (17 6i)Oa - 18i Ob 34 - 18iOc 34 - 6iOd -6i
- Q Write z? and 22 in polar form. (Express in radians. Let 0 ? ? < 2x.)z? = ?2-?2i , z2 = 1 - iz1=z2 =Find the product z?z2 and the...
- Q Solve the equation using factoring or the quadratic formula, whichever is appropriate.a - 64 = 0The real solution for a is 4 where the imaginary solutions are1 +4 + 4...
- Q Given that 3-4i is a zero, factor the following polynomial function completely. Use the Conjugate Roots Theorem, if applicable.f(x) = x - 16x + 109x-394x + 600
- Q Find the quotient 5i / (1 - i) and express it in rectangular form by first converting the numerator and the denominator to trigonometric form.(Type your answer in the form...
- Q Which of the following represents vector t = -5i + 12j in trigonometric form?a)t= 13 (cos 67.38, sin 67.38)b)t= 13 (sin 67.38, cos 67.38)c)t= 13 (cos 112.62, sin 112.62)d)t= 13...
- Q Suppose a man took out a 30 year loan with an annual rate of 9 to put an addition on his house His banker encouraged him to put other expenses...
- Q James is creating a design on his paper using a reflection tool called a MIRA He reflects the design over a line m and then reflects that image over line...
- Q D Question 9 Which conclusion logically follows the true statements If negotiations fail the baseball strike will not end If the baseball strike does not end the World Series will...
- Q Answer the following questions by representing each argument with symbols state the law of logic being used if any and then determine if the argument is valid or invalid Law...
- Q Suppose K K and K3 are three independent and unbiased estimators of Their variances are in the ratio of 6 8 2 Z and Z3 are three other estimators of...
- Q Write the statement using symbols Let p be you live in the city of Nashville and let q be you live in Virginia If you do not live in Virginia...
- Q h is the contrapositive of the statement below If you do your homework then you will be prepared for the test If you are prepared for the test then you...
- Q O 5 A surveyor determined the value of an area of land over a period of several years since 1950 The land was worth 31 000 in 1954 and 35...
- Q Select the three prepositional phrases Spanning 17 098 242 square kilometers of land and water Russia is the largest nation on earth followed by Canada the United States China and...
- Q A college requires all incoming freshmen to live on campus The college has two freshman dormitories East and West For an upcoming school year there are 800 Incoming freshmen Which...
- Q Drag each label to the correct location on the table A local caf serves tea coffee cookies scones and muffins They recently gathered data about their customers who purchase both...
- Q Calculate the unit price to the nearest tenth of a cent and determine the better or best buy based on price alone 1 Theo Berken wants to purchase some batteries...
- Q Mark s science club sold brownies and cookies to raise money for a trip to the natural history museum This table shows how many baked goods they sold in the...
- Q Consider the following argument 1 Statement Athletes are in good shape 2 Statement Alex is not in good shape 3 Conclusion Alex is not an athlete Is the above argument...
- Q Consider the following pattern.1?15 = 1511?15=165111?15 = 16651111?15 = 16665Predict the result of 111111 ? 15
- Q A doctor is studying the effects that the amount of junk food has on blood pressure. As each patient enters his office, he/she fills out a survey about junk food....
- Q Select the correct answer.What is the key feature of the third-person omniscient point of view?A. It is told from the point of view of a specific character in the story.B.It...
- Q The enrollment at a local business school has been decreasing linearly. In 2002, there where 970 students enrolled. By 2007, there were only 710 students enrolled. Determine the average rate...
- Q In the year 2019, 14% of the college students said they didn't like their roommate. Suppose that several people took random samples of 150 college students from the population and...
- Q Nancy's car cost $14,400. She has enough money to make a down payment of $5,000. Her monthly payments are $210 for 48 months. How much greater is the deferred price...
- Q Determine whether the variable is qualitative or quantitative. Explain your reasoning. Age of car driven Is the variable qualitative or quantitative? A. The variable is quantitative because age describes an...
- Q Jan Ruell invested $32,000 in a business. She was to receive 5% on her original investment and share equally in any remaining net income. Her share of the remaining net...
- Q The problem describes a debt to be amortized. (Round your answers to the nearest cent.)A man buys a house for $370,000. He makes a $150,000 down payment and amortizes the...
- Q If n + 1 integers are chosen from the set{1, 2, 3,..., 2n},where n is a positive integer, must at least one of them be even?To answer this question, let...
- Q Which of the following is true for Walter Gropius? (Select all that apply)? a. Gropius envisioned that workshop projects would attract commissions or production licenses? b. Gropius arranged painters such...
- Q A plan for a baseball diamond is drawn in a coordinate plane. The baseball diamond is in the shape of a square with vertices in the coordinate plane represents 1...
- Q Find the constant of variation & for the inverse variation. Then write an equation for the inverse variation.y= 2.5 when x = 93.6k=3.6: y=-k = 22.5; xy = 22.5k =...
- Q Find the statistic in the following situation.One thousand students were recently surveyed about shopping. Fourteen percent of the sampled students reported that they shopped regularly.True proportion of students that shop100014%Total...
- Q The term cash does not includea. money on deposit that is available for unrestricted withdrawal.b. notes receivable.c. money orders.d. checks.
- Q If $1200 is invested at 4.5% annual interest, compounded continuously, when is it worth $30,000?Round your answer to three decimal places.The investment is worth $30,000 in i 73.12
- Q A robot's body is made up of a rectangular prism with side lengths 48 inches by 24inches by 36 inches. The head is made up of a cylinder with a...
- Q Serial Killer The Murder Accountability Project has compiled a database of homicides in the United States from 1976-2017. This data set includesrecord: ID of the incident given as an integer...
- Q John wants to prepare a sandwich. He has 4 choices for the type of bread, 5 choices for the meat, and 3 choices for dressing. How many different sandwiches can...
- Q A robot's body is made up of a rectangular prism with side lengths 4 feet by 2 feet by 3 feet. The head is made up of a cylinder with...
- Q A mineral sample is found to have a density of 3.0 grams per cubic centimeter. It is thenbroken into two pieces, with one piece twice as large as the other....
- Q From the table below, determine whether the data shows an exponential function. Explain why or why not. No; the domain values are at regular intervals and the range values have...
- Q In an early essay draft, a student offers the following as his thesis statement:McDonald's new ad campaign for its "Healthy Choices" menu features images of happy children because the restaurant...
- Q You intend to conduct a goodness-of-fit test for a multinomial distribution with 7 categories. You collect data from 58 subjects.What are the degrees of freedom for the x^2 distribution for...
- Q Does the following argument illustrate the Law of Syllogism?Given: If the power is cut, then the refrigerator will not work. If the refrigerator will not work, then the food will...
- Q Write the negation of the conditional statement.If it is blue, then it is not a carrot.Choose the correct negation below.A. It is blue or it is a carrot.B. It is...
- Q The admission fee at an amusement park is $4.50 for children and $6 for adults. On a certain day, 258 people entered the park, and the admission fees collected totaled...
- Q The amount of a sample remaining after t days is given by the equation P(t) = A1121.5 days2.5 days9.4 days21.1 days.where A is the initial amount ofthe sample and h...
- Q Suppose you want to have $500,000 for retirement in 35 years. Your account earns 6% interest. How much would you need to deposit in the account each month?
- Q Solve the equation 45x +69x2 - 13x-5 = 0 given thaT -5/3 is a zero of f(x) = 45x +69x - 13x-5.
- Q You deposit $300 each month into an account earning 8% interest compounded monthly.a) How much will you have in the account in 30 years?b) How much total money will you...
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