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Mathematics Questions and Answers October 13, 2021

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(a) Prove that ll is uncountable. (b) Prove that there exists a denumerable subset S of ll. (0) Prove that for any nonempty sets A, B and C, if A is numerically equiv- alent to B and A n C = B H C = (D, then A U C is numerically equivalent to B U C. (Hint: Construct a bijective function g : A U C > B U 0. Verify that the function 9 you constructed
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Area( multistep) In AVWX, x = 7.6 inches, ZW=270 and ZX=73. Find the area of AVWX, to the nearest 10th of an square inch
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Evaluate the logarithm at the given value of x without using a calculator. Function Value 9(x) = log.(x) x = VB Need Help? Road It
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Hello I need help with the following problem The speed with which consumers decide to purchase a product was investigated by a group of researchers. The researchers hypothesized that consumers with last names that begin with letters later in the alphabet and consumers with last names that begin with letters earlier in the alphabet will tend to
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16 . 1 POINT Ross is surveying randomly selected employees at his workplace and asking whether they have worked at the company longer than a year. Assume that 88% of all current company employees have worked there longer than a year. What is the probability that the first employee with longer than a year tenure that Ross comes across is the second

Validity conditions for theory-based analysis of paired data: Number of pairs: 88Theory-based methods of inference will work well for paired data if the distribution of differences has a symmetric distribution, or you have at least 20 pairs (i.e., at least 20 differences) and the distribution of the sample differences is not strongly skewed.Mean

Express each of the following as a percent: a) 0.059 b) 0.278 c) 1.15 d) 4/30 e) 9/8 f) 4/5

Without using a calculator, solve the following problem. [(1109)(1106)]2(1107) 11013 1101 11020 1108

Describe the General Sinusoidal function. When was the term "sinusoid" first used? Sinusoidal functions occur in other fields of study and nature. Give an example of an application of sinusoid modeling in real life.

After experiencing this simulation, will your approach to considering data in the studies you read change? If so, how? If not, why not? What will you look for when you critically read a study that presents the mean and/or median to support the paper's central argument? You have just completed a simulation in which you had to choose which measure

Let Zo, Z1, . .. be independent standard normal random variables, and Xt = Zo + Zt,t 2 1. Is X = {X1, X2, ".., Xt, ". . } weakly stationary? Is X a white noise
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15. Landon owns a hybrid SUV that can travel 400 miles on a 15-gallon tank of gas. Determine how many miles he can travel on 6 gallons
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Let A = PDP and P and D as shown below. Compute A4. O - 18 O . . . (Simplify your answer.)
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Find error geometry Explain the Error. Find the correct solution The total volume of the figure is the sum of the volume of the cylinder and the volume of the cone. 6 in. V = 7(6)2(6) + - 7(6)26 -2887 6 in. 6 in
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How could I give an example formula that has zeros at x = 1 and x = -5 with a vertical asymptote at x = 2? And how would I give an example formula that has a jump discontinuity at x = 1 and is right continuous at x = 1? Please help, anything is helpful!

A researcher believes that 4% of females smoke cigarettes. If the researcher is correct, what is the probability that the proportion of smokers in a sample of 766 females would be greater than 3%? Round your answer to four decimal places.

Random samples of 32 blended fuels are tested in a lab to ascertain the bio/total carbon ratio. If the true mean is .9370 with a standard deviation of 0.0090, within what interval will 99 percent of the sample means fall

1. Meredith estimated that 40 people would come to her party, but only 34 showed up. What is the percent error? 2. In February, Derrick spent 30 hours watching Netflix. In March he only spent 22.8 hours watching. What was the percent decrease in the amount of time he spend watching? 3. A small coffee is 8 ounces while a large coffee is 12.5

Homework: HW 22 - 12.3 Early Payoffs of Question 11, 12.3.23 HW Score: 52.86%, 7.4 of 14 points Save Loans Part 1 of 3 Points: 0 of 1 A company made a down payment of $4940 on an office machine costing $24,700. The loan agreement called for 32 monthly payments of $655 each. Find the finance charge, the unearned interest, and the amount necessary
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Please help my year 2 Calculus Q1 1. (4 points) Let f: R" -> R' and g: R -> R be class C' functions satisfying f (1, 2) = (3, 4, 5) g(3, 4, 5) = 6 0 JS(1, 2) = 0 2 Jg(3, 4, 5) = (4 3 1) Let h: R' -> R be h(x, y) = 9(f(x,y)). (a) Consider the surface S = {(x, y, 2): = = h(x, y)} in R3. Find an equation of the tangent plane to the surface S at (1,
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Help Compute. Remember to write your answers as a congruence using the smallest possible positive number. a. (3 X4 (mod8) b. (3- 5 (mod8) c. (3 /4 (mod11)

Find an equation of a sphere with radius r and center C(h, k, l). 2. Show that x 2 + y 2 + z 2 + 4x -6y + 2z + 6 = 0 is the equation of a sphere. Also, find its center and radius

Given that f(a) - (x - 2)" and g(x) - 5 - 2x, find (a) (f + g) ( - 4) = (b ) ( f - g ) ( - 4) = (c) (fg) ( - 4)= 12) ( 2 ) ( - 4)-1 Question Help: Video Submit
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is sm1it07_ch25.27m is sm1it07_ch25.21m sm1it07_ch25.21m In the diagram shown, determine the number of degrees in 2 1 when are BC = 64 12' and are AC - 56 8: BD and AC are chords inside the circle. Use the figure shown. Determine the measure of 2 1 when the length of are ABC = 5.170 ft. Round the answer to four significant digits Use the figure
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Use a calculator to evaluate f(x) = log(x) at the given value of x. Round your result to three decimal places. X 800 001 X Need Help? Read It Watch It
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Is W a subspace of V? If not, state why. Assume that Vhas the standard operations. {Select all that apply.) W is the set of all 2 x 2 matrices of the form 0 a o b ' if: M2,2 Cl Wis a subspace of V. D W is not a subspace of v because it is not closed under addition. [I W is not a subspace of 1/ because it is not closed under scalar multiplication.
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Consider two vectors u = and u = Find the dot product u . U. -WN Select one: 7 O -1 O 14 0 0
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Bonus: Critical Thinking: 37. MODELS Dana bought a model airplane kit. When he opened the box, these two congruent triangular pieces of wood fell out of it. A C B Identify the triangle that is congruent to AABC. 38. Name all the angle pairs formed by parallel lines cut by a transversal
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dog s novio X 15. An open box is to be made from a square piece of cardboard, 20 inches on each side, by cutting equal squares with sides of length x from the corners and turning up the sides. a. Write the function, V, in terms of x, that represents the volume of the box. V = L. W.h V ( x ) = (20 24 ) ( 20 - 24) b. What is the domain of the cutout
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DISCRETE FUNCTIONS- SEQUENCES AND SERIES T he 3rd term of a geometric sequence is 8 and the 8th term is 8192. Find the explicit formula (general term), t n of the sequence Give the arithmetic series: 5 + 8 + 11 + ... + 2135 a) Find the number of terms in the series. b) Find the sum of the series. Use Pascal's triangle to expand and simplify (2 3 2

8. (6 pts) For the function h : Z - Z defined by h(n) = n div 3, find the sets h({3, 6, 9}) and h-1({1, 2})
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Consider the sequences (y_n )_(n0),(x_n )_(n0)and assume that there exist real numbers and that are |1--| \f
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When a distribution is skewed due to outliers, researchers can choose whether to present the median or the mean to readers, depending on which measurement best supports their pointand some could argue that this is a way for researchers to use statistics to "lie." How do you feel about the fact that researchers can present numerical data in the way

Resarchers wanted investigate if \f\f\fUsing an alpha of .05, which of the following effects were significant? O A) The main effect of wake-up time O B) The main effect of making a to-do list O C) The interaction between wake-up time and making a to-do list O A, B, and C O None of the effects were significantmaking a to-do list and the time at
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Let C be the positively oriented square with vertices(0,0) (0,0),(2,0) (2,0),(2,2) (2,2),(0,2) (0,2). Use Green's Theorem to evaluate the line integral 8y^2(x)dx+4y^2(y) dy C

Find the area of the region inside:r=5sinbut outside:r=1

Here are the differences for each pair: 5.5 - 5.55 = -0.05 5.7 - 5.75 = -0.05 5.6 - 5.5 = 0.1 5.5 - 5.4 = 0.1 5.85 - 5.7 = 0.15 5.55 - 5.6 = -0.05 5.4 - 5.35 = 0.05 5.5 - 5.35 = 0.15 5.15 - 5 = 0.15 5.8 - 5.7 = 0.1 5.2 - 5.1 = 0.1 5.55 - 5.45 = 0.1 5.35 - 5.45 = -0.1 5 - 4.95 = 0.05 5.5 - 5.4 = 0.1 5.55 - 5.5 = 0.05 5.55 - 5.35 = 0.2 5.5 - 5.55 =

Cab you answer the question? The amount of moneyJose's lawn mowing company earns for a contract is given by the function y = 4113 + 150. where o: is the number of acres that the client needs mowed and y is the revenue generated. The amount of money a Green Grass lawn mowing company earns for a contract is given by the function 19:1: + 4in =
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3. The best point estimate of a population average is the F. sample median B. sample average C. sample variance D. sample standard deviation E. sample range
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5. A diver is standing on a platform 30 feet above the pool. He jumps from the platform with an initial upward velocity of 10 fu's. Use the formula h = -16f" + ut + s, where h is his height above the water, I is his time, v is the starting upward velocity, and s is the starting height to determine which of the following statements is true. () The
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Given P(A) = 9 25 , P(B) = 17 25 , and P(A B c ) = 19 50 . Find P(A B c ).

Q Determine the end behaviour of the f(x) = -x101-2x2+x-101 following function: x- co, y- - 0o and x- - 0o, y-+ 0o x- oo, y-+ 0o and x- - 0o, y- - co x- - co, y-+ 0o and x-+ 0o, y-+ 0o x- - co, y-+ - co and x- co, y- - co
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Scenario You work for a market research company that supplies information for political non-profit organizations throughout the nation. A number of your clients are interested in the public perception around policies about sexual orientation and political opinions and ideologies. In your milestone assignment, you selected one of the following

Classify the following sandwiches either hot or cold sandwiches. Write your answer on a sheet of paper 1. BLT sandwich ___________________ 2. Double Decker Sandwich____________ 3. Clubhouse Sandwich _______________ 4. Deep-fried sandwich _______________ 5. Wrap/Rolled Sandwich_____________ 6. Hotdog Sandwich __________________ 7. Chicken

The equation below can be solved by performing two operations on both sides. State the operations in order of use and solve the equation. X +3 = 11 2 Operation 1 : Subtract 3 from both sides. Operation 2: Solution: x = Add 3 to both sides. Multiply both sides by 2. Subtract 3 from both sides. e Textbook Multiply both sides by 8. Divide both sides
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Lesson # 2.4 - Theorem on Circle X #Qtr2Wk4 - Quiz #2.4 B If an inscribed angle of a circle in X + X C A docs.google.com/forms/d/e/1FAlpQLSdTHihrnT_xj2CLK-TGHY103gQnzRFOyi8wolwKL24FogMQg/formResponse Refer to the image below. * 1 point In the figure on the right, X M QUIZ find if m20 if mxMY = 250? Y O 110 125 O 90 O 150 OLIOCEO ENG 8:39 pm US
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Write in scientific notation. 19 comma 850 comma 000 comma 000

Can you think of specific examples from your field of study or interest area that is a good example of this Gestalt tenet? Rather than computer network

I want the below hard questions done ASAP! 1.The LTI of a causal system has function H(z)=1/10.5z1+2/13z1. Determine the ROC of H(z). 2.When does a system become BIBO stable and causal? 3.Define another term that can be used to refer to the wireless Ethernet 802.11a. 4.Describe the layer present in the IEEE 802.11 protocol stack that has the

A rectangular box with a volume of 1280ftcubed is to be constructed with a square base and top. The cost per square foot for the bottom is 20, for the top is 15, and for the sides is 1.5. What dimensions will minimize thecost? What are the dimensions of thebox? The length of one side of the base is ____? The height of the box is____?

I am having a hard time understanding this weeks material. Please help here are some examples. Find the transforms of the given functions by use of the table. 6.f(t)=1-cos 2t 8.f(t)=8e^-3t sin 4t 10.f(t)=2t sin 3t + e^-3t cos t \f
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Which of the following statements regarding Oanda is not true? Group of answer choices It is open 24 hours a day, 5 days a week. The quotes are live quotes. Red color means prices just went up. There are bid and ask prices associated with each quote

produce the equation of the line tangent to the given function at the specified point. x^2e^x; p (1,e)

Daily rainfall is an example of what sort of data? Question 25Answer a. None of these b. Discrete c. Continuous

A firm buys 3 shipments of parts each month. The purchasing agent selects at random from among four in-state suppliers and six out-of-state suppliers. What is the probability that orders are placed with a)The in-state suppliers only b)The out-of-state suppliers only c)At least one in- state suppliers'

On the Breach Report form, in section 5, when you mark one of the areas that contain Sub-questions, the questions do not need to be answered. True or False

Milo receives a commission of 8% on all sales. If his commission on a sale was $119.92, find the cost of the item sold

The Gale order on the set P = ( k [ n ] ) of k-element subsets of [n] is the partial order defined by {a1 < < ak} {b1 < < bk} if and only if ai bi for i = 1, 2, . . . , k. The Gale order is isomorphic to a familiar poset. Which one?

. A marketing experiment is conducted to determine whether consumers can taste the difference between Coke and Pepsi soft drinks. Each person drinks from two unmarked cups and then tries to identify the cup containing Pepsi. If the test is conducted on many different random samples of size 200, and consumers have no ability to distinguish between

No hay Term 1 cajero automtico por aqu! Claro que s. Mira, en esa esquina hay Term 2 . 1 points Question 2 Sabes si hay Term 1 supermercado por aqu cerca? Hay Term 2 en la esquina. 1 points Question 3 Perdona Hay Term 1 farmacia por aqu? Pues no, no hay Term 2 . 1 points Question 4 Sabes si hay Term 1 estacionamiento por aqu cerca? Pues me parece

is algebra 2 9. If x = u2v, which expression is equivalent to log x? A. 2 logu + log v B. log Zu + log 2log u C. D. 2 log u log v log v
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Question 1 > Assume that the function f is a one-to-one function. (a) If f(7) = 2, find f-1(2). Your answer is (b) If f-1( -8) = -4, find f(-4). Your answer is Question Help: Video Message instructor
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5 3 4. (3 + 4 + 3 pts) Consider the matrix A -17 3 11 whose reduced row-echelon N 0 4 form is 0 1 1 (This is the same matrix as in #3.) 0 (a) Is the vector (3, 4, 1, 4) in Nul(A)? Justify your answer by an appropriate multiplication, and show your work for the multiplication. (b) Compute a spanning set for Nul(A). (c) Compute an example of a non-0
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To best answer our original question, it might make the most sense to test for significant correlation between income and drawn nickel size. Incomes (in thousands of $) are shown for each of the 5 samples below: Income (thousands of $) | Coin size (mm) 12 19 9 25 11 20 9 20 17 20 You can copy the data into Excel by highlighting the data,

Listed below are the amounts of money collected for charity in 20 days: $80 $50 $120 $110 $140 $150 $160 $90 $40 $45 $110 $50 $100 $90 $70 $60 $70 $80 $165 $170 A.What is the third quartile for the distribution of amounts of money? A.What is the first quartile for the distribution of amounts of money?

The taxes on a house assessed $88,000 are $3,520 a year. If the assessment is raised to $130,000 and the tax rate did not change, how much would the taxes be now

We want to explore the effects certain variables have on the sale of individual large avocados (PLU code 4225). To begin, create a correlation matrix of the relationship between type and month for individual large avocados. in r

1.Let m and n be positive integers and let k be the least common multiple of mand n . Show that m n =k This question is from abstract algebra. Please provide an explanation.

5. [-/1 Points] DETAILS SPRECALC7 3.3.004. MY NOTES A. Two polynomials P and D are given. Use either synthetic or long division to divide P(x) by D(x), and express the quotient P(x)/D(x) in the form (X) = Q(x) + R(x) D (X ) D(X) P(x) = 3x3 + 9x2 - 6x - 1, D(x) = x + 4 P( X ) D(X)
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Question 5 4 pts a) 1 pt -Identify the parent function of the one shown on the graph. b) 3 pts -Write an equation for the function whose graph is shown by using a transformation of the parent function. Assume no vertical/horizontal stretch or shrink. 10 5 -10 -5 10
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math026 geometry OF Q
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Please I need help with 9 and 14 Find the measures of the numbered angles in each rhombus. See Prob 9. 3 10. 4 260 2 1 11. 1 2 3 W 1180 N 106 12. 3 2 13. 14. 4 4 W 3 1 2 4 7 58 1130 30 2 PowerGeometry.com Lesson 6-4 Properties of Rhombuses, Rectangles, and Squar
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As Jupiter revolves around the sun, it travels at a speed of approximately 8 miles per second. Convert this speed to kilometers per second. At this speed, how many kilometers will Jupiter travel in 2 seconds? In your computations, assume that 1 mile is equal to 1.6 kilometers. Do not round your answers.

2. Suppose that a city planning commission wants to know the proportion of city residents who support installing streetlights in the downtown area. Two different people independently selected random samples of city residents and used their sample data to construct the following confidence intervals for the population proportion. Interval 1: (0.28,

Which of the following units of length is the smallest? (a)millimeter (b)kilometer (c ) meter (d) micrometer

The procedure shown below is used to determine the greatest common factor of two numbers A and B. Determine the values of A, B, and C and match them to the values in the right column.The factors of A are 1, 2, 19.The factors of B are 1, 3, 19.The greatest common factor of A and B is C. i Instructions A B C 57 19 38

Simulate the response of the system assuming that () is a step function of magnitude 5 N. Plot the response of the systems (the two positions 1() and 2()) in two separate figures. c) Simulate the response of the system assuming that () is a sinusoidal function: () = 3 sin(10). Plot the response of the systems (the two positions 1() and 2()) in two

A. In a certain account providing an interest rate of'r compounded quarterly, P2, 300 is deposited every end of the quarter. What value of r will make the future value of the account P5, 200 in six months
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Homework Help Solve the following Legendre's equation. If solutions are series list the first three non-zero terms in your final solution. 4(1 - r )y" - 8ry + 3y = 0
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Find the Taylor series forf(x)=4+6x+x 2 f(x)=4+6x+x^2centered ata=3 a=3: \f
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Consider the following periodic function f(x) specified over one period: With the aid of basic properties and Laplace transform table, find f ( x ) = x +2, -4
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Drawing to Scale - Imperial STOVE - 3 feet 3 inches x 3 feet 9 inches scales " = 1 ft solve this problem

What chart focuses attention on a variation in the process and helps a team determine whether a variation is normal or the result of special circumstances? Group of answer choices Pie chart Control chart Gantt chart Pareto chart

Suppose that a car has velocity 55 mph for 3 hours, velocity 64 mph for 2 hrs, velocity 66 mph for 55 minutes, and velocity 65 mph for 4 hours. Find the distance traveled. Please provide solution and explanation

how to reply to this: Please describe your experience with statistics, including specific examples of knowledge of statistical concepts and probability distributions, as well as any work experience using statistics. (250 character limit. Note: students with less experience or knowledge in this area will still be considered for admission; we may

Quin fue pionero en el uso de grficos en movimiento en pelculas y comerciales en las dcadas de 1950 y 1960? Walt Disney Saul bajo Josef Mller-Brockmann Masigmo Vignelli

4.24 If annualized interest rates in the US. and France on January 1, 1991 are 9% and 13%, respectively, and the spot value of the franc is $.1109, then at what 180-day forward rate will interest rate parity hold? a) $.1070 b) $.1150 c) $.1088 d) $.1130 Ans: c Section: Interest rate parity theory Level: Medium
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I will be so gratful if you could help me with this question. Every Sunday you go to a casino and the probability that you play blackjack is 8/ 10 while the probability that you play roulette is 2/ 10. The probability that you win if you play blackjack is 0.6 and the probability that you wif you play roulette is 0.36. On a particular Sunday you
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mean? 6. Assume the population standard deviation is o - 25. Compute the standard error of the mean, or, for sample sizes of 50, 100, 150, and 200. What can you say about the size of the standard error of the mean as the sample size is increased? 17 Suppose a random sample of size 50 is selected from a population with o = 10. Find

I need help with 33 and 34 please thank you 5 List the quadrilaterals that have the given property. Choose among parallelogram, rhombus, rectangle, and square. 28. All sides are =. 29. Opposite sides are =. 30. Opposite sides are ||. 31. Opposite /s are =. 32. All /s are right /s. 33. Consecutive /s are supplementary. 34. Diagonals bisect each
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B. Below are the jumbled letters. Write the correct spelling opposite to the scrambled letters. Write your answer on a sheet of paper 1. SSGLAS_________________________ 2. DSLAS__________________________ 3. LONFTE_________________________ 4. NNLSUFE________________________ 5. TERSAGR________________________ 6. SAHERM____

The study of print reading is closely related to the study of ____, the general term for creating drawings of objects in technical fields Group of answer choices trigonometry art drafting geometry

The drag force pushes opposite your motion as you ride a bicycle. If you double your speed, what happens to the magnitude of the drag force? The drag force doubles as well. The drag force goes up by a factor of 4. The drag force stays the same. The drag force decreases.

A correlation coefficient is computed to be 0.95 means that

A restaurant serves soda pop in cylindrical pitchers that are5inches in diameter and 8 inches tall. If the pitcher has a0.5-inch head of foam, how much soda is lost as a result? (Round your answer to two decimal places.) (BLANK) = in 3 of soda is lost.

Use Green's Theorem to evaluate the line integral along the given positively oriented curve. cos(y) dx + x2 sin(y) dy C is the rectangle with vertices (0, 0), (4, 0), (4, 5), (0, 5)
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Calculate the total weighted score for all of the vendors with the new weights and fill in the table below ?(enter your responses as whole ?numbers) ?: You are in charge of analyzing five new vendors of an important raw material and have been given the information shown below (1 = worst, 10 = best). Management has decided that criteria 2 and 3 are
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Which of the following data sets would most likely be appropriately modeled using a model? Group of answer choices A time series of weekly observations of stock prices for an expanding tech company A time series of weekly observations of the number of police reports filed in a large city A time series of monthly observations of total sales for a

How long did a depositor maintain a savings account with an average daily savings of P20,000.00 in bank C that earned an interest rate of 0.50% per annum if his interest income before tax was P50
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this is the question. All it says is Solve the problem. Nothing is being left out. 2 Jessica draws the model below to solve a problem. What problem does she solve? 59 60 90 95 Complete the subtraction equation. Write your answer in the blanks
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