Basic Math question and answers for July 17, 2023
- Q For the graph of y = x^4 -6x^2 +12 discuss its? symmetry,indicate whether the graph crosses the? x-axis at each?x-intercept, and determine whether y?? or y--> -? as x?? andx?-?.1....
- Q (7) How might geometry be used to build a feeling ofcommunity?
- Q Hi please give an example and explain using the MatrixTransformations below. Will rate! Thank you.Topic: Matrix TransformationGiven the matrix transformations T1 and T2, under whatreal-world conditions will T1 o T2...
- Q abstract algebraLet G be a finite abelian group of order nProve that if d is a positive divisor of n, then G has asubgroup of order d.
- Q Let X be a finite set. Describe the equivalence relation havingthe greatest number of distinct equivalence classes, and the onewith the smallest number of equivalence classes.
- Q INFORMATION FROM THE VIDEO: THE LIZARD DID 8 PUSH-UPS IN 13SECONDS.Assumptions:There are 121 dietary Calories (kilocalories) in 100 grams ofcricketsThe crickets (that the lizard we see in the video eats)...
- Q Develop a real world scenario that illustrates the Order ofOperations . Your post should include a mathematical expressionthat represents your unique scenario, and a step by stepexplanation of how the...
- Q Sylvia is considering depositing $600 at the end of eachsemi-annual period, for 5 years earning interest of 8%. She wouldlike to know how large a one-time lump sum deposit she...
- Q Theorem. If A is an n by n squarematrix, then the following statements are equivalent.A is invertible.The system Av=b has at least one solution for everycolumn-vector b.The system Av=b has...
- Q The initial size of a culture of bacteria is 1500. After onehour the bacteria count is 6000.A.) Find a function n(t) = n0ertthat models the population after t hours (round...
- Q In order to get into the Ferris wheel, you first must climb ontoa platform several feet above ground level. That platformaccommodates the cars (also called gondolas) to pass by withouttouching...
- Q Cost of common stock equity Ross Textileswishes to measure its cost of common stock equity. The? firm'sstock is currently selling for ?$64.19. The firm just recently paida dividend of ?$4.04....
- Q Find the center, vertices, foci, and the equations of theasymptotes of the hyperbola. (If an answer does not exist, enterDNE.)x2 ? 2.25y2 + 22.5y ? 92.25 = 0
- Q Part IWhich of the following are positive in the second quadrant?A. sec and cosB. tan and cotC. sin and cscD. sec and cscWhich of the following pairs have the first...
- Q In June 2001 the retail price of a 25-kilogram bag of cornmealwas $8 in Zambia; by December the price had risen to $11.† Theresult was that one retailer reported a...
- Q jskskss
- Q A survey of 500 high school students was taken to determinetheir favorite chocolate candy. Of the 500 students surveyed, 129like Snickers, 118 like Twix, 145 like Reese's Peanut Butter Cups,22...
- Q describe at least 2 examples of energy efficiency losses and wastedenergy detected in your home or life.provide solutions.
- Q Find the solution set of the linear system: {?(?(x_1+x_4=260-x_3+x_4+x_5=-200x_2+x_3=300x_1-x_2-x_5=150
- Q Solve the following linear programming problem using generalisedsimplex methodMaximise z= 2x1+3x2subject to -2x1+x2>=33x1+x2<=5x1,x2>=0
- Q An investment firm recommends that a client invest in bondsrated? AAA, A, and B. The average yield on AAA bonds is 4?%, on Abonds 5?%, and on B bonds 8?%....
- Q show your work. Find the sin t and cos t for t=150o.You may need to draw the reference angle first, but you onlyhave to enter the sine and cosine values.
- Q Radon-222 decays at a continuous rate of 17.3% per day. How muchwill 170 mg of Radon-222 decay to in 7 days?NOTE: Round your answer to 4 decimal places.
- Q In this project we are going to model the Ball Toss with aquadratic function. So at 30 cm intervals, we draw 4 vertical linesextending from the eraser tray to the...
- Q 3×3 Systems Elimination by Addition1) -5x-2y+20z=-282) 2x-5y+15z=-273) -2x-2y-5z= -12Please write out all of the steps so I'll be able tofigure out the formulas myself.
- Q 2. A coroner uses a formula, derived from Newton's Law ofCooling, to calculate the elapsed time since a person died. Theformula is t = -10 ln ((T-R)/ (37-R))where t is...
- Q describe a real-life setting in which a systems of equationsapproach would be useful. Identify a problem situation orexploration you will engage in which will require you to applylinear functions to...
- Q a5b7a3
- Q Question from college algerba webworks:Find the x and y intercept of9log6(8-4x)+18
- Q Sketch a graph of f(x)= -2(x-1)^2(x+1), based on all the dataabout zeros, long run behavior, etc.
- Q The functionD(t) = 43.1224(1.0475)^t. gives the number of master’s degrees, inthousands, conferred on women in the United States t years after1960. Find the number of master’s degrees earned by women...
- Q Scientists are drilling a hole in the ocean floor to learn moreabout the earths history. Currently the hole is in the shape of acylinder whose volume is approximately 4100 cubic...
- Q Let T : Rn -> Rm be a onto linear transformation. Selectall the true statements from the following list.(Incorrect choices will earn you negative points)For any y in Rm there...
- Q A norman window is constructed by adjoining asemicircle to the top of an ordinary rectangular window. Theperimeter of the window is 8m. (a)Write the area of A of the windowas...
- Q Consider the matrix B =? ? ? ? ? ? ? ? ? ??1 1 1 2?1 1 0 3?2 2 1 ?4 ? ? ? ? ? ? ?...
- Q Three consecutive integers multiply together to give -120a)Determine a polynomial equation to represent thissituation.b)Using your equation from part (a), determine the threeconsecutive integers that multiply together to give -120.
- Q The total cost of two calculators and four math sets is R440.00,If a calulator cost R40 more than a math set, what is the cost ofeach?
- Q Top Toys is planning a new radio and TV advertising campaign. Aradio commerical costs $300 and a TV ad costs $2000. A total budgetof $20,000 is allocated to the campaign....
- Q Profit = Revenue - CostP(x) = R(x) - C(x)Given: R(x) = x^2 - 30xGiven: C(x) = 5x + 100X is hundreds of items sold / P, R, C are in...
- Q identify the equation . If it is a parabola, give its vertex,focus, and directrix; if an ellipse, give its centre, vertices, andfoci ; if a hyperbola, give its centre, vertices,...
- Q (a) Find the equation of a plane ? that contains the line in theintersection of the planes x+y+3z =2andx?y+z=1andtheorigin. Howmanysuchplanesarethere?(b) What if instead of the origin we ask for the...
- Q Suppose ? is an acute angle in a right triangle. Giventan(?)=1/5, evaluate: 1-sin^2(?)
- Q We are investigating two different retirment plans that we caninvest our money in. Plan A invests $45,000 with an annual interestrate of 4.8% compounded continuously, and plan B invests $50,000with...
- Q 1(a) Given ? ABC , construct equilateral triangles ? BCD , ? CAE, and ? ABF outside of ? ABC . Prove that AD = BE=CF .(b)Let ABCD be a...
- Q solve each equation find all solutions in the interval 0 2?)leave your answers in the exact form.a) sin ? = cos(2?)b) sin (2?) + cos(2?) = ?2/2c) cos^3 + cos^2...
- Q The cities of Abnarca and Bonipto have populations that aregrowing exponentially. In 1980, Abnarca had a population of 23,000people. In 1990, its population was 28,000. Bonipto had apopulation of 35,000...
- Q 1. An engineer collected the data below showing the speed, s, ofa Toyota Camry and its average miles per gallon, MSpeed, s3035404045505560656570Mpg, M1820232525283029262525a. Plot the data above, treating speed as...
- Q 1- A carpenter purchased 50 ft of redwood and 70 ft of pine fora total cost of $259. A second purchase, at the same prices,included 80 ft of redwood and...
- Q Show that among all collections with 2n-1 natural numbers inthem there areexactly n numbers whose sum is divisible by n.
- Q The populations of termites and spiders in a certain house aregrowing exponentially. The house contains 80 termites the day youmove in. After four days, the house contains 150 termites. Threedays...
- Q Which of the following statements are TRUE or False.(Explain why it’s true or false?)Subtracting a positive number from a negative number alwaysgives you a negative number.Subtracting two negative numbers always...
- Q 1. A manufacturing company manufactures a cardboard box with asquare base and a height of 15 inches. Suppose the equationx2 +60x- 7,200 = 0 can be used to find the...
- Q Given that Csc(x) = - 3 and Cos(x) < 0, find the exactvalue of each of the trigonometric function of x.Functions are: a. Sin(x) , b. Cos(x) , c. Tan(x)...
- Q An auto dealer's sales numbers are shown in the table below.Find for each month the mean, median, and mode prices of the carsshe sold. Round your answers to the nearest...
- Q Write an equation in slope-intercept form of the line thatsatisfies the given conditions .Through (-2,-2); parrallel to -x + 2y = 10
- Q Define a subspace of a vector space V . Take the set of vectorsin Rn such that thcoordinates add up to 0. I that a subspace. What about the setwhose...
- Q The number of consumer complaints against the top U.S. airlinesin 2013 in given in the following table.AirlineComplaintsComplaints per 100,000Passengers BoardingSouthwest Airlines3970.34Alaska Airlines860.44Delta Airlines7130.59JetBlue Airways1920.63AirTran Airways1300.73SkyWest Airlines2170.80Mesa Airlines710.85Endeavor Air1130.86ExpressJet Airlines3190.96Hawaiian Airlines1051.06Virgin...
- Q a) Prove stereographic projection maps circles not containing(0,0,1) from the upper half sphere’s surface into circles on the z= 0 projection plane. b) What happens under stereographicprojection to circles containing...
- Q Simplify into one fraction:3/x + 1/7
- Q On the standard coordinate grid at initial moment, ship Tiger isat the position (0, 352), ship Lion is at the position (511, 0).Tiger sails along the straight line to the...
- Q Roots of a complex numberFind all the solutions to the equation(a) z^ 4 ? 1 = 0(b) z ^5 + 2^5 i = 0(c) z^ 6 ? 16z^ 3 +...
- Q A doctor administers a drug to a33-kg?patient, using a dosage formula of55?mg/kg/day. Assume that the drug is available in a100mg per 5 mL suspension or in200mg tablets. a. How many...
- Q Solve 8 cos ( 2 ? ) = 8 sin 2 ( ? ) + 3 for all solutions 0 ? ?< 2 ??=
- Q Find the equation of the tangent plane to the surface,(4x^2)(y^3) + (5yz) + (2xz^3) = 7at the point P(-1,1,1). Also nd the parametric equation of thenormalline to that surface at...
- Q Iterative method of solving large systemsIs there any example for which Jacobi method fails and Gauss-Seidelmethod succeeds?
- Q W=e^x^2+sin(xy) where x=2s-t and y= t-s.how to write generic chain rulefind when s=, t=1
- Q Utilize identities to calculate the exact value of the fiveremaining trigonometric functions if:csc(?)= ?3, ?/2, < ? < ?Calculate the equivalent algebraic expression for:sec(arcsin(x - 1)
- Q ( NO HAND WRITING PLEASE )Q1: Suppose that a and b areintegers, a ? 11 (mod 19), andb ? 3 (mod 19). Find the integer c with 0 ? c...
- Q 1. A 10 ft chain weighs 25 lb and hangs from a ceiling with a 5lb weight attached to the end. Find the wok done lifting the lowerend of the...
- Q a) A salt-water tank has pure water flowing into it at 5 L/min.The contents of the tank are kept thoroughly mixed, and thecontents flow out at 5 L/min. Initially, the...
- Q x' = x ? yy' = 4y ? x^2*yLinearize the system about the point (2, 2). Classify the typeand stability of the critical point at (2, 2) by examining thelinearized...
- Q given DE has a regular singular point at x=0 determinetwo solutions for x>0x^2y''+3xy'+(1+x)y=0
- Q x123456y608619674672676721Use exponential regression to find an exponential function thatbest fits this data.f(x) = Use linear regression to find an linear function that best fitsthis data.g(x) =
- Q Given f(x) = (x4 - 2)(x5 - 10x +1)3Find the definite integral of f(x) on the closed interval [0,1].1) 0.052) 204.753) 40954) None
- Q Approximently 72% of freshmen entering public high schools inthe United States in 2005 graduated with their class in 2009. Arandom sample of 136 freshmen is chosen. around your answers tofour...
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