Algebra question and answers for December 31, 2023
- Q Suppose the intergenerational curve for the white and black families are as follows, respectively: ?? ...
- Q A new compound is discovered on Mars . It has the formula X?(YZ?)? . Calculate the molar mass of this compound .X = 13.953 g/molY = 17.458 g/mol Z =...
- Q Determine whether the equality is always true 4 (x-3) 4 ...
- Q Simplify the expression 3x+27/31) x-92) x+9/33) x+9
- Q given the vectors from R2. v1=( 1 0 ) and v2 = (0 1).a) (-3 1) can not be written as a linear combination of v1 and v2.Select...
- Q One-fourth times a number is 100. Find the number.1) 4002) 253) 200
- Q A set of date has a normal distribution with a mean of 100 and a standard deviation of 15. Find the percent of data to the right of 55.(make sure...
- Q Consider the series Sn = ? e^(-k). Which of the following is true? ...
- Q You owe $644.90 on your credit card. The minimum payment is $68.00 and the interest rate on the credit card is 1.9%. What is the interest charged?1. $10.962. $9.613. $12.994....
- Q Find the center and radius of the circle whose equation is x 14x + y + 20y 20 = 0= center= radius
- Q $780 is invested in an account earning 2% interest (APR), compounded monthly. Write a function showing the value of the account after t years, where the annual a growth rate...
- Q Suppose that the temperature Tat every point (x,y) in the cartesian plane is given by the formula T=1?x^2+2y^2.The correct statement about the maximum and minimum temperature along the line x...
- Q The following sum is a partial sum of an arithmetic sequence; use either formula to determine its value. Reduce your answer to lowest terms.-5+ (-9/2)+ ... + 29
- Q Pearl's Candles sold the following number of candles over the last 6 days: 35, 49, 24, 36, 78, 60. Find the average number of candles sold each day.(A) 43.5(B) 47(C)...
- Q Graph xy = -12. Be sure to include the table of values used to make the graph.
- Q Jesse is a member of the Ecology Club. The club is sponsoring a school drive to collect items for recycling. The members plan to place recycling boxes around the school...
- Q Find the surface area of the rectangular prism with side lengths listed below. Show your work. Include units (in^2) with your answer.4in. ,7 in., and 1.5 in.
- Q Directions: Determine whether the sequence is arithmetic. If yes, identify the common difference and give the next three terms.1.(-3, -12, -48, -192, ...2.{-18, -27, -36, -45, ...}3.{4, 11, 18, 25,......
- Q Given that f(x) = a(x^3) - 8(x^2) - 9x + b is exactly divisible by (3x 2) and leaves a remainder of 6 when divided by x, find the values...
- Q Solve the initial value problemy" + 6y' + 13y = 0;y(0) = 2, y' (0) = 0
- Q Find the requested function and state the domain.Find fog, for f(x) = 1/(x-5) and g(x) = 7/x.Select a single answerA) (fog)(x) = x/(7 - 5x);domain: (-?, 0) ? [0, 7/5]...
- Q Which statement is not correct for x > 0, y> 0?A) log x + log y = log xy B) 2 + log x = log (x + 2)C) 3...
- Q The half-life of radium is 1690 years. If 40 grams are present now, how much will be present in 190 years?(Do not round until the final answer. Then round to...
- Q a) Write the line that goes through the two points: P?(3,-2) and P?(-1,1). Find the distance of the two points.
- Q Given the function f(x, y) =2 x + 3 y on the convex region defined byR= {(x, y) : 6x + 2y ? 30,4x + 3y ? 30, x ?...
- Q An element with mass 780 grams decays by 16.3% per minute. How much of the element is remaining after 16 minutes, to the nearest 10th of a gram?
- Q Let A = {0,-1,6);(-1,0,2); (2,1,0)). Then A is a basis forRRthe above vector spacethe above vector space
- Q This question is about the ring Z11 of integers mod 11.(a) Is Z?11 a field?(b) For which values of bZ11 does the equation x^2 + x = b have a...
- Q Find the domain of the following function:f(x)= 1/ (-2x + 36)Select the correct answer below:A) All real numbers except 36B) All real numbers except -36C) All real numbers except -18D)All...
- Q You owe $302.87 on your credit card. The minimum payment is $28.00 and the interest rate on the credit card is 1.8%. What is the new balance?A) $309.22B) $302.87C) $317.28D)...
- Q Which of the following sets is not a finite set?(A) { (x , y) : x^ + y^2 ? 1 ? x + y, x, y ? R }(B) {...
- Q The perimeter of the square below is 116m.What is the value of a?A print company will print business cards for $0.10 each plus a set up charge of $15.00. Another...
- Q Set up a Newton iteration to compute the square root of given positive number C and apply it to C=3.
- Q Directions: Find the partial sum for each sequence.15. {38, 31, 24, 17, ...};S??16. (1, 8, 27, 64, 125,... };S?
- Q A man gets a job with a salary of $31,200 a year. He is promised a $2,230 raise each subsequent year. What are his total earnings after 6 years?
- Q A compound has a generic formula A?BC?. What is the mass percent of A (29.98 g/mol) in A?BC? (263.94 g/mol) ?(A) 11.36%(B) 45.53%(C) 34.08%(D) 41.35%
- Q Armando invested a total of $111,000 in two accounts. The first account earned 9% after one year. However, the second account suffered a 6% loss in the same time. At...
- Q Find the factored form of 2x^3 - 12x^2 + 5x - 30.a)(X-6)(2X^2 + 5)b)(X-6)(2x^2 - 5)c)(x + 6)(2x^2 + 5)
- Q Look at your Pythagorean identities. What is sec^2? - 1 going to be equal to?A) tan^2? +1.B) tan^2?.C) sec^2? - tan^2?.D) sec^2? + 1.
- Q True or False: If you owe $446 and make the minimum payment of $89, you still owe $357.TrueFalse
- Q Evaluate: 5 (2a + 7b) - 12 (b - 3a), when a = 2 and b= -1.A) 69B) -69C) -99
- Q Two numbers are in the ratio 5:3. If they differ by 18, what are the numbers?A) 35, 37B) 45, 27C) 27,54
- Q Express $132 for 40 test tubes as a unit rate. (Answer as a fraction in lowest terms.)
- Q Joey and Andy go to a candy store to buy some candy. Joey eats 1/3 of the candy they bought. Andy ate 2/4 of the candy. How much candy is...
- Q You owe $561.54 on your credit card. The minimum payment is $45.00 and the interest rate on the credit card is 1.5%. What is the new balance ?1. $509.892. $557.993....
- Q Application Health care expenditures in the United States exceeded$1 trillion in the mid-1990s and exceeded $2 trillion in 2005. Manyelderly and disabled persons rely on Medicare benefits to help coverhealth...
- Q $890 is invested in an account earning 7.3% interest (APR), compounded quarterly. Write a function showing the value of the account after t years, where the annual growth rate can...
- Q Find an equation of a line perpendicular to the given in that contains the given point Write the equation in slope-intercept form. (If the equation is a vertical line, use...
- Q A set of data has a normal distribution with a mean of 100 and a standard deviation of 15. Find the percent of data from 85 to 130. (make sure...
- Q A new car is purchased for $30,000 and over time its value depreciates by one half every 6 years. How long, to the nearest tenth of a year, would it...
- Q $4,300 is invested in an account earning 5.2% interest (APR), compounded continuously. Write a function showing the value of the account after t years, where the annual growth rate can...
- Q Find the slope of the equation -3x - 5y = 25(A) -3/5(B) -5/3(C) 5/3
- Q Musicians planed to organize a music party to raise fund for an orphanage. The admission fee is $20. Solve an inequality to determine how many tickets must be sold to...
- Q Find the scalar equation for the plane passing through the point P(-1,5, 3) and containing the line L defined byX=-3-2ty = 3+3tz=1+t0=0
- Q What would cos?csc?tan? be equal to?(A)0(B)cos? (C)1(D)sin?
- Q What would sec?*cot?*csc? be equal to?1. 1 + cot^2?2. sec^2?3. 14. tan^2? + 1
- Q Consider the generic chemical reaction:3A + 2B --->5C Calculate the moles of A that are needed to completely react with 19.5 moles of B.O 3.00 molesO 19.5 molesO 29.3 molesO...
- Q Question 7Find the partial sum: -2+(-4) + (-8) +...+(-32)
- Q The price of a widget was $362. Over nine years, the price dropped to $245. Assume a linear trend.(a) Find a linear model P = ax + b for this...
- Q IntroductionObjective AObjective BObjective CObjective C: Rationalize NumeratorsRationalize the numerator.?11/17
- Q Consider the following differential equations:dy/dt = y^3(y-1)dy/dt = y^2 - 5y + 6Analyze the differential equations using the qualitative-graphical approach:(a) Draw the phase line.(b) Identify the stationary point/s.(c) Analyze the...
- Q Which of the following points lie on the f(x) = 3x + 5Select one:a. (0,5)b. (1,5)c. (2, 10)d. (3, 15)
- Q Find each term described.3rd term in expansion of (4y 2x)?
- Q Find the slope from the given equation: y = -4x + 21(A) 21(B) -4(C) -1
- Q Use the shaded region below to answer the questions that follow. The distance between each pair ofneighboring gridlines is 8 yd.8 yd8 ydoImage DescriptionWhat is the area of the shaded...
- Q Use the simplex method to solve the linear programming problem.Maximize z= 5x? + 2x? + x?subject to 3x? +9x? + x? ? 6 ...
- Q Find an equation for the line perpendicular to 3x + 15y = 135 and goes through the point (-3,1).Write your answer in the form y = mx + b.y =
- Q A linear function is given. Complete parts (a)-(d).h(x) = 1/3 x- 5(a) Determine the slope and y-intercept of the function.The slope is (Type an integer or a simplified fraction.)The y-intercept...
- Q A magazine rotes different restaurants based on a five-star rating system. The following statements are true based on the analysis of the results, Twenty percent of the restaurants were rated...
- Q What is the molarity of 0.15 L MgCl2 solution that contains 0.033 moles of MgCl2?1. 0.22 M2. 4.5 M3. 27 M4. 0.0050 M
- Q Darnell researched the public university he wants to attend to estimate the cost of attending.TUITION & FEES $8,000ROOM & BOARD ...
- Q A magazine rates different restaurants based on a five-star rating system. The followingstatements are true based on the analysis of the results.Twenty percent of the restaurants were rated from 1...
- Q If the vector v can be written as a linear combination of V? and v? such that v=c? V? + c?V?:Which of the following is always false ?1) None of...
- Q Identify the following and sketch the function.x+2x8/x-6x +5xFactored Form-Holes-hRoots-Asymptotes (Vertical and Horizontal)-Inner Tails-End behavior-Y intercepts-
- Q The area on a wall covered by a rectangular poster is 320 square inches. The length of the poster is 1.25 times longer than the width of the poster. What...
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