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Mathematics Questions and Answers November 06, 2021

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Unit Activity Unit: Mathematical Models in Art and Music This activity will help you meet these educational goals: Mathematical PracticesYou will make sense of problems and solve them, reason abstractly and quantitatively, model with mathematics, look for and make use of structure, and look for and express regularity in repeated reasoning.

Find the requested composition of functions. Given f(x)=2/x-7 and g(x)=5/4x, find (fg)(x).

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In a recent survey, 160 students had undergraduate degrees in arts, 63 had undergraduate degrees in science and 97 had graduate degrees. Art undergrads with graduate degree totaled 37 while 16 science undergrads also had graduate degrees. Some students had multiple degrees, 25 had both art and science undergraduate degrees while 16 had both art

The planets move around the sun in elliptical orbits with the sun at one focus. The point in the orbit at which the planet is closest to the sun is called perihelion, and the point at which it is farthest is called aphelion. These points are the vertices of the orbit. A planet's distance from the sun is 741,000,000 km at perihelion and 817,000,000

please help me answer this within the next few minutes thank you Solve the system by the method of your choice. x2+2y2 = 3'24 x+y = '18 Select the conect choice below and, ifnecessary', fill in the answer box to complete your choice. 0 A- The solution set is D. [Type an ordered pair, using integers or simplied fractions tor The coordinates. Use a
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Suppose that the pairwise comparison method is used to determine the winner in an election. If there are 10 candidates, how many comparisons must be made?

Math 1338 Quiz #8 (Sec. 7.3) Name: ________________________________________________ Please show all work on this page. 1. Use the method of cylindrical shells to calculate the volume of the solid generated by the rotation about the y-axis of y = 2x, y = 0, x = 1, and x = 5. 2. Use the method of cylindrical shells to find the volume of the solid

1. 2 n converges n Claim: The sequence ( sn ) givenby s n= 2 n Proof: Let n sn = 2 n+1 n 2 n n . The sequence of ratios S n+1 = Sn By the ratio test, for sequences, the sequence (Sn) converges to 0. A. Is the claim true or false? Explain carefully if the claim is false. B. Critique the proof. Is it complete? Does it prove the claim? What are the

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Name: Date: School: Facilitator: 8.04 Geometric Probability Find the geometric probability for each question if each point is selected randomly from segment AE. Simplify your answers. 1. P(point X is on AB)= Answer: 2. P(point X is on BC)= Answer: 3. P(point X is on CD)= Answer: 4. P(point X is on DE)= Answer: Find the geometric probability for

h -y dx + e 2 + 1 b). Using Green's Theorem, evaluate the line integral C is the boundary of the region R that is inside the circle x =5cos0, y =5sino x =2cos0, y =sine
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solve for the attached. suppose that new england... Suppose that the New England Colonials baseball team is equally likely to win a game as not to win it. If S Colonials games are chosen at random, what is the probability that exactly 2 of those games are won by the Colonials? Round your response to at least three decimal places. |] Clear Undo (If
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How do you figure out the z-score Math 1342 online Summer II 2020b Becca Bacon 07/29/20 7:50 PM Homework: Section 5.3 Save Score: 0 of 1 pt 10 of 17 (12 complete) HW Score: 58.82%, 10 of 17 pts X 5.3. 19-T Question Help Find the indicated z-score shown in the graph to the right. Area = 0.0793 0 2= ? The z-score is. (Round to two decimal places as
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Use the given conditions to write an equation for the line in?point-slope form and?slope-intercept form. \f
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Find the amount of money needed to be invested for the given scenario if a person wants their money to grow to $50,000. Do not round-off anything until you obtain the final answer. Round your answer to the nearest dollar. An interest rate of 1.85% compounded semi-annually for 25 years.

Suppose that there are five corporations competing for six different contracts. If the contracts are awarded randomly, what is the probability that each corporation will get at least one contract? A mutual fund has 18 stocks in its portfolio. On a given day 6 stocks move up, 9 stay the same and 3 move down. In how many ways could this happen?

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A company manufactures two products with seasonal demands: We will call them A and B rather than anything clever or imaginative. The monthly demand (1000's) for these two items over the next year is tabled below: Product Jan Feb March April May June July Aug Sept Oct Nov Dec A 10 10 10 10 30 30 30 30 30 80 80 80 B 50 50 15 15 15 15 15 15 15 50 50

1. Show 11mm is no algorithm to detannine of a given program .9\" in the language .5?\" wheaer ,{x]= x2 for all x
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Consider the problem statement below; derive the equivalent formulation for the optimization problem \f
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Find how much rope is needed to wrap around Earth at the equator, if the radius of Earth is 4000 miles. (hint: use 3.14 for pi and the formula for circumference)

Solve the compound inequality, write its solution set in interval notation , and graph the solution set in a number line. 5.) -48 <1+7n 50 6.) -8/9 -8/3 <8>

A crate is hanging by a rope. The rope is making an angle of 4 degrees 22 ' with the vertical and has a tension T of 2868 pounds. The horizontal rope is pulling and guiding the crate into place. Find the weightW of the crate and the tension H in the horizontal rope.

Determine whether the expression is a polynomial or not. How many terms and variables the polynomial contains? State it's degree?? -4x - 1/5x

Compute the 6 month cost in two ways: Make 6 monthly computations. Enter these as formulas in a spreadsheet. (The goal here is really getting you to use spreadsheets and formulas for computations.) Use the formula, A= 1000(1 + r) N whereN = the number of periods (6) and r = the periodic interest rate = APR/12, where APR is the annual percentage

solve the following system of linear equations using the substation method 3x- 2y + 18 5x + 10y =-10 a company charges a flat rate of $150, and an additionl $5 for each box. A delivery service would charge $20 for each box. After how many boxes would it be cheaper to using the moving company?

Can you show and explain how to write the Point Slope form of a line described below: through (5 ,3) and perpendicular to ????=5????3

The coordinates A (0, 0), B (0, 6), and C (3, 0) are graphed and connected together. What three-dimensional shape will be created when this shape is rotated about the y-axis? Provide an explanation for your answer

6) Find the z-score that has 2.68% of the distribution's area to its right. 8) A population has a mean of 80 and a standard deviation of 12. Samples of size 36 are selected from the population. Describe the sampling distribution of the sample mean. 9) American children watch an average of 25 hours of television per week with a standard deviation

The number of words defined on pages randomly selected from a dictionary are given below. Find the range and standard deviation for the set of numbers. 37 67 44 61 30 63 35 57 76 36 standard deviation = words (Round to the nearest tenth as needed.

On the blueprint of a house 27 millimeters represent 6 meters. The actual length of the living room is 9 meters what is the length of the blue print.

Body Mass Index: Recall from example 9.1.2 that theBMI is b(m,h)=m/h^2 where m is the person's mass (in kg# and h is the height #in m). both m and h depend on the person's age a. use the chain rule to find an expression for the rate of change of the BMI with respect to age. The answer is given as dB/da=1/h^2 dm/da- 2m/h^3 dh/da Please show me how

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l. Doinnnino mo domain and range of the piecewise function. Domain [-1, 1]; Range [3, 1] Domain [3, 1]; Range [2, 2] Domain [2, 2]; Range [3, 1] Domain [-4, l.-"2]; Range [1), 1] P155\"? '2. Solve: HG3x = x A. 5, 2 H. 5!? C 5 D. No solution

I have another question I need help on. Thanks you for your assistance. More to come. \f
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1-Find the equation of the line passing through the point (-3, 5) and perpendicular to the line y= 1/2 x-7. 2- Find the equation of a line parallel to x=7 and passing through the point (2, -5).

How much would you have to pay into an account at the beginning of every six months to accumulate $10 000 in eight years if interest is 7% compounded quarterly?

A. For z = 14 - 13 i and w = 7 - 9 i , find z / w .determine4-3i / 7 -iand simplify.write the result in the form a + bi , where a and b are real numbers. B.Find all (real and non-real) solutions of the equation 5 x 2 + 13 = 6 x

What is the solution of the equation? 2^5 sqrt (x+6)^3 + 3 = 19?

Divide and check the problem below: 20x 4 / 5x 3 Show calculations

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Please explain how to interpret the following along with the answer log 2 5 3

1.Find the specific volume and specific internal energy of water at 5 bar and 180 degree C. 2. Find the specific internal energy and temperature of saturated liquid water at 5bar Please help with these 2 questions, I need it in 30 minutes, thank you

do one of the following as appropriate: a) find the critical value z a/2, b) find the critical value t a/2, c) state that neither the normal nor the t-distribution applies. Confidence level is 95%. n=28. o is known. Population appears to be very skewed. A). Za/2 = 1.96 B). Za/2 = 1.645 C). ta/2 = 2.052 D). ta/2 = 1.703 E). Neither normal nor t

Show that is a regular surface patch on S2. = <2u> Please show the Jacomian matrix, and calculate the determinte of the matrix

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Math 012 Quiz 1 Professor: Dr. Izolda Fotiyeva Name________________________________ Instructions: The quiz is worth 50 points. There are 10 problems, each worth 5 points. Your score on the quiz will be converted to a percentage and posted in your assignment folder with comments. This quiz is open book and open notes, and you may take as long as

Find the domain of the rational function??? f ( x ) = 5 x / 6 x 3 6 the domain of the function is ?????

How do you solve these? Please include correct work and answers thank you. 1) Find the maximum value of f ( x , y ) = xy subject to x + 2 y =68. f max = Also find the corresponding point ( x , y ). ( x , y ) = 5. /12 points WaneFMAC6 15.4.008. Ask Your Teacher My Notes Question Part Points Submissions Used 2)Use Lagrange multipliers to solve the

for each function, determine the long run behavior x^3+1 = x^2+2 x^2+1 = x^2+2 x^2+1= x^3+2

Solving proportions A triangle has sides of 5,9, and 13. In a similar triangle the shortest side is 15 and the longest side is x. a). provide a proportion that models the situation b). Solve the proportion for x Please complete the following: The proportion is jQuery20006203842993084825_1498613246985???? ( provide an equation. Do not simplify)

12:37 . LTE Take Quiz Exit Chapter 8 & 9 Homework Quiz. There is no time limit and you may take the quiz four times, with only the highest score counting. The quiz will close Sunday night, 6/5/22. Question 6 2 pts A buffer solution is prepared containing 0.60 M HPO4-2 and 0.30 M PO4-3. PH = pKa + logo[ base ] / [acid ] pKa of H3PO4 is 2.30 pKa of
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The length of a room is 8 ft greater than it is width. If each dimension is increased by 2 ft, the area will be increased by 60 sq. ft. Find the dimensions of the rooms.

as de optimizacin 1. Una compaa fabrica dos productos, cada uno debe ser procesado a travs de dos departamentos 1 y 2. La siguiente tabla resume el nmero de horas necesaria en la produccin de los productos en cada departamento y la utilidad obtenida por cada producto. Producto A Producto B Unidades producidas Departamento 1 Departamento 2 Utilidad

If 6 is 2/5 of a number N, then N= ? Just wanted some help with answering HW

Estimate the number of cells in a(n) 65 -kilogram ( 143 -pound) person, assuming the human body is 100% water (actually it is 6070% water) and that 1 liter of water weighs 1 kilogram. The Solution should be in Scientific Notation format, and Rounded to two decimal places as needed please.

1.) A factory currently has an equity position of $4 million with a cost of 10%, the preferred equity position is $2 million with an annual cost of 15%, the company has assets worth $9,000,000. The tax rate is 40%, and the debt cost is $200,000. Please calculate the WACC. 2.) The debt of this company is currently 60% of the assets, the remaining

If mometasone is available in 220 mcg per inhalation, how many mcg would a patient take in 20 days?

choose 2 In predicting the number of babies based on stork's population size, number of babies is _____. Select one or more: a. Observation b. None of the options c. Outcome d. Attribute e. Feature

Without using logarithms, which of the following is a step when solving 3 2 x - 1 = 27 ? 6 x - 3 = 27 6 x - 1 = 27 2 x - 1 = 9 2 x - 1 = 3 6 x - 3 = 27

Jorge runs 6 miles to the house of a friend and returns home on a bike. He averages 3 miles per hour faster when cycling than when running, and the total time for both trips is three hours. Find his running speed.

IL! Jlmny is desrgning a rectangu af gx'st" to avian 48 HT 01 planting "nth a 4-In margm at the top and bottom and a 3-in margin at each Side What overall dIUlCnSIOHS Will mmm up 'r p yu t'r," ,. , wu ' ' ' y y' LAw u -w The dumens'ons of the paste m: '7' w "are the mxxm of paper used are , in. k (Imphfy your answers !' somme answers ) f' m. d'is

To study the effects of crowding on worker productivity, Professor Thomas and his assistants have one group of people work in a crowded room and a second group work in a room with only a few people. To be sure that any differences in the productivity of the two groups actually result from the differing amount of people in the room, the researcher

A frictionless spring with a 10-kg mass can be held stretched 1.6 meters beyond its natural length by a force of 50 newtons. If the spring begins at its equilibrium position, but a push gives it an initial velocity of 1.5 m/sec, find the position of the mass aftertseconds.

Download the spreadsheet "Store Sales 2012.xlsx" below. Use the data in this spreadsheet for the remainder of the assignment. StoreSales2012.xlsx The formula in cell H2 contains a referencing error that must be fixed before copying the formula down the column. If the formula were to be copied down the column without making any corrections, which

Hello good afternoon I would like help in Discrete Math in my Assignment. Draw a directed graph with vertices: Located on the worksheet Construct a precedence graph for the following: Located on the worksheet Draw the graphs K 5, C 4, W 5, K 3,6 Draw a binary search tre for words Denver,Portland,Detriot,Boston,Washington, Miami,Chicago,Atlanta,
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AN AUTOMATIC VACUM CLEANER USES A PROXIMITY SENSOR TO DETECT WHEN ITS GETTING CLOSE TO A WALL OR FURNITURE. IT WILL THEN MOVE OUT THE WAY. WHAT TYPE OF LOOP IS IT AND EXPLAIN IT.

8. Let [5] m23:+e+b, ifm, f(m)={ 55113('/E)+eeinba:, ifmb, where (1,5 are real constants. Determine the values of e and b, if any, that make 3' djerentieble everywhere
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A stock can go up, go down, or stay unchanged. How many possibilities are there if you own 88 stocks?

Examine the following problems. Find the mistake in each. Show that the problems are incorrect by substituting the following values for the variables: a = 3, b = 2, n = 4; or by working both sides of the equation and showing that they are not equal, then rework the problems correctly, explaining your steps and using Equation Editor. Module 4 -

The mean value of land and buildings per acre from a sample of farms is $ 1300 , with a standard deviation of $ 300 . The data set has a bell-shaped distribution. Assume the number of farms in the sample is 80. Use the empirical rule to estimate the number of farms whose land and building values per acre are between $ 700 and $ 1900 If 20

solve the following system by the substitution method. 5x+y=2 and y=2-5x

Show that f is not aone-to-one function by finding two inputs that result in the same output. f(x)=x 4 4x 2 The inputs 2 and ______ result in the sameoutput, ______ .

q4 - using the permutation or combination Fundamental Counting Principle, please answer question below. Thank you \f
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Descriptive statistics summarize the results of a study with statistics such as: Means and standard deviations. Correlations Significant tests Regressions

what is the monthly interest rate if an annual rate is 17.5%

A 25-foot ladder is leaning against a house. The base of the ladder is pulled away from the house at a rate of 2 feet per second. How fast is the top of the ladder moving down the wall when the base is given below? (a) 15 feet away from the house: (b) 20 feet away from the house: (c) 24 feet away from the house:

Question 12 0/1 pt 95 0 Details An exponential model y = a . b* passes through the points (0, 10) and (3, 80). What are the values of a and b? Q = and b = Calculator Check
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Identify one cycle In two different ways. Then determine the period of See Problem 1. the function. 7. 8. 9. 4 8 Determine whether each function is or is not periodic. If it Is, find the period. See Problem 2. 10. 11. 12. 2 X 13. 14. 15. - 2 Find the amplitude of each periodic function, and midline. See Problems 3 and 4. 16. 17. 18. 8 8 x 4 -2 0 2
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in a particular hospital, 6 newborn babies were delivered yesterday. Here are their weight (in ounces) 122, 91, 96, 92, 99, 118 Assuming that these weights constitute an entire population, find the standard deviation of the population. round your answer to at least two decimal places

Mary Stahley invested $2500 in a 36 -month certificate of deposit (CD) that earned 6.5% annual simple interest. When the CD matured, she invested the full amount in a mutual fund that had an annual growth equivalent to 15% compounded annually. After 12 years in the mutual fund, how much was her investment worth?

16. Which of the following is not a destination store? a. RadioShack b. IKEA c. AMC Movie Theaters d. The Home Depot e. Kroger grocery store17. Which of the following statements is not true about Huff Gravity Model? A. The model specifies two factors that assess the probability: (1) the attractiveness of the store's location and (2) the time it

Whenever the number of compoundings is once per year, the annual percentage yield (APY) of a savings account is

If I want a waveform with a peak-to-peak voltage of 2 volts, that swings from -0.5 volts to +1.5 volts, and completes 5 cycles in 1 millisecond, what would the equation for this waveform look like?

The following data shows the weight, in pounds, of 5 boxes: 3, 1, 2, 2, 2 What is the value of the mean absolute deviation of the weight of the boxes, and what does it represent about the weight of a box?

please answer the following question in the screen shot Match each equation with a graph above J log(m) a. blue J 131(3) b. black _ e\" c. green I 10-\" d. red
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(The function given below will be used for questions #1 - #5.) Given : f(x)=x^2+6x+5 Find the x value of the vertex (turning point). x = 3 x = -3 x = -2 None of the above 2. f(x)=x^2+6x+5 Using the same function as in #1, find the y value of the vertex. None of the above y = 32 y = 4 y = -4 3. Is this vertex you found above a minimum point or a

im not sure how to find the truth table for (p V q) -> ~p

In the exponential growth model P(t)=P_0 e^ kt, what does the variable P0 represent? A. The variable P0 represents the present value. B. The variable P0 represents the initial amount. C. The variable P0 represents the proportionality constant. D. The variable P0 represents the principal.

30. Christy borrowed $1450 from a bank that is charging 6.25% simple interest. If she pays the loan off in 15 months how much will she need to repay?

Many processes in the world, natural and man made, are not deterministic but probabilistic.Think of one process that probabilistic and explain how you might measure it to gain insights on is distribution and variation.

Which of the following shows the equation y = x2+ 8x + 14 in vertex form? A.y = (x-8)2+ 14 B.y = (x+4)2-28 C.y = (x+4)2-2 D.y = (x+8)2+ 14 The axis of symmetry of the graph of y = -(x+4)2-6 is A.x = 4 B.x = -6 C.x = -4 D.x = 6

In scientific notation format and round to two decimal places as needed: Estimate the number of cells in a(n) 65-kilogram(143-pound) person, assuming the human body is 100% water (actually it is 6070% water) and that 1 liter of water weighs 1 kilogram. *Solution should reveal #____ of Cells Per Person

A car starts at position x= 0,with an initial velocity of 3.5 m/s and an acceleration of 0 m/s 2 . What is its position when the elapsed time is 7.1 s?(Please be sure to include units in your answer. Express your answer to one decimal point.)

xm cumboumd Wares! {annum to find the future value A for the: f0!50'.'.'z'ng values. P =$2.000 i= 0:089 n=28 A = ED (Round to the nearest cent.) ' '

Mr Jones has just turned 90 years old and is applying for a lifetime annuity that will pay $10,000 per year, starting 1 year from now, until he dies. According to a statistical summary, the chance (probability) that Mr Jones will die at any particular age is as follows. (a)What is the life expectancy of Mr. Jones? (b)What is the expected present

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