S
  1. study help
  2. subject categories
  3. sciences
  4. mathematics
  5. march 2023
  6. 20

Mathematics Questions and Answers March 20, 2023

Expert-verified solutions to help you succeed

\f
image text in transcribed

la} Simultaneeusly test whether MACHINE and LABOR are irnpe rtant in explaining cast. In other wards; test the subset of ceel'Ficients fer MACHINE and LABOR. Use a 5% level of signicance. State the hypotheses to he tested. State the test statistic F. {Heund yeur answer ts twe decimal places} F : l State the pvalue. lReund your answer ts four
image text in transcribed

Given that f(x) = x 1/2 and g(x) = x+4 find the following 3 (f o g -1 ) (x) (g -1 o g) (x)

A student scored 67 points on his Psychology 101 midterm. If the average of his midterm and final must be between 79 and 90 inclusive for aB, then for what range of scores on the final exam would a student get aB? Both tests have a maximum of 100 points.Hint: Create a compound inequality with his average between 79 and 90 inclusive. For a Bgrade,

A population gathers plants and animals for survival. They need at least 380 units of energy, 300 units of protein, and 8 hides. one unit of plants provides 30 units of energy, 10 units of protein, and 0 hides. one animal provides 20 units of energy, 25 units of protein and 1 hide. only 15 units of plants 28 animals are available. it costs 20

According to the norms established for a test designed to measure a person's ability to think logically, college sophomores should average 73 points. This test is given to a group of 64 college sophomores who have just completed a required course in mathematics which is supposed to sharpen their general powers of reasoning. What can one conclude
image text in transcribed

PHILUS You have spent the years working as an auditor . It that time . you have come wars - a Hu TIGER n m of errorsin performing bank recon in tons Outline below are some of them An u reconcil II item of 340 was on the client's final bank to Nation and was deemed by the want to be limmateri a 2 . The deposits tote ing SLOTS relating to accounts
image text in transcribed

Which of the accompanying budgetary explanations is worried about the organization at a point in time
image text in transcribed

I have no idea with question(iii), What is the condition for it is a onto function with domain A and codomain{0,1}. want the specific explanation. Thank you! \f
image text in transcribed

I need help with this question, it says that I have to evaluate B(x) for x=1 and 5. Also, let B(x) represent the area bounded by the graph and the horizontal axis and vertical lines at t=0 and t=x for the graph shown. I'll post a picture of the graph as well. \f
image text in transcribed

Lily put $48,000 in an education account on the day her daughter was born. If the account earned 6.15% interest compounded quarterly, what was the total in the account when her daughter turned 18?

Let E k : {0, 1} 128 {0, 1} 128 be an ideal block cipher with message space {0, 1} 128 , ciphertext space {0, 1} 128 , and key space {0, 1} 128 . Let x and y denote bitstrings of length 128. Which of the following hash functions Hi : {0, 1} 256 {0, 1} 128 , if any, are preimage resistant? Explain. (a) H 1 (x, y) = E y (y) x. (b) H 2 (x, y) = E y

Simplify the expression.Check the answer by raising it back to the 2 nd power \f
image text in transcribed

19. Let f ( x ) = x 2 + 14 x + 53. (a) Find the vertex. Answer: ________ (b) State the range of the function. Answer: ________ (c) On what interval is the function decreasing? Answer: ________

An employer will cut his current workforce of 38,000 as follows: 8% now, 6% in one year, and 4% two years from now. How many employees will the employer have after all cuts? Question 1 options: 31,548 29,280 31,160 34,960 6,840

The relationship between the passage of time and the value of assets is called Select one: a. the time value of money r. b. liquidity in :2. present value r' d. nominative value 1"
image text in transcribed

\f
image text in transcribed

Question Use the hairangle identities to ne the exact value of sin{2'2.5) Select one: Gmec'l + 3.?5 points out a. # of 8.?5 b. 'l I: if d. The EDITEH BREWEI i5
image text in transcribed

Elasticities Prolm Dmn El iii: Given the demand function for organic processed pork QD=190 - 2UP + 20PM + 21' +152 where average PM = $4.00lkg, average Y=$12.5thousands1 and Z = 1, (a) What is the own price elasticity at the market equilibrium you have solved in Problem3 (2)? What is the economic meaning of the value of the own price elastic- ity?
image text in transcribed

Can somone explain this into regular words I'm not very clear on what it would look like. q ( r p ) p ="You are in the bus." q ="You are in taxi." r ="You are in the car."

b) Adiabatic Compression: The gas is decoupled from the bath and compressed adiabatically until P2 = 6 bar
image text in transcribed

The "red cards" censist ef the 13 ca rds from the "diementls" suite and 13 cards from the "hearts" suite 1,. [eezjxd-QS trillien - F 265211 million ' Ir" P[25,5]#7 million r [255Je thousand
image text in transcribed

I need help with this question. Let f : N N be a function with the property that f (1) = 2 and f ( a + b ) = f ( a ) f ( b ) for all a , b N . Prove by induction that f ( n ) = 2 n for all n N . \f
image text in transcribed

what is the speed of a plane that travels at a rate of 410 mph with a wind of r mph? a. 410/r mph b. r - 410 mph c. 410 - r mph d. 410 + r mph

steve put 48000 in an account on his birthday. if the account earned 5.95% interest compounded monthly what was the total in the account 18 years later

on tuesday, 20 of the 25 students in a chemistry class took a test, and thier average was 80. On Friday, the other 5 students took the test, and their average was 90. What was the average for the entire class?

Solve the inequality algebraically. Express the solution in interval notation. x 3 27

How long is the shorter side of a rectangle when one side is 2" longer than the other and the area is 15 sq. in? Im able to get myself to x+2x=15 but im totally stumped on what to do next?

FIJI |:I. lull-I'll I I'IIIJE-H'. [EH-I12" PM\" :I-IJEI'I'II j'EIJr mm ID "'3 'lI'HBE QUB'ELIIJJ'IE EHI'EH'I' |I'.| ll. 'I'I'EI'I] DDDUI'I'IEI'IL Name Irie le in ma fella-Mug lermar: lam-ianiellratinilialFS'rT-Eheee l. Cmeielering year area el reaeerd'i interest. lzirie'rig-lI erale yaur area and a peeelerle research pun-eject relaiee ED the area
image text in transcribed

A medical equipment supplier guarantees a 99% service level for all types of pacemakers. Stock is stored in a central distribution center to serve a single region and is delivered from the production site which has a fixed lead time of 3 weeks. What reorder level should the distribution center use for an item that has a Normally distributed demand

10. In periods with rising prices and increasing quantities of inventories, which of the following relationships among inventory valuation methods is generally correct
image text in transcribed

WM 5 9" Questions for Case Study . Do the results of the preliminary survey produce enough information for the university to make a dEcision? Explain your answer. . What would be a hypotheses for this case study? . If you were asked to serve as one of the research faculty for this studyr what 3 important questions would you have liked the
image text in transcribed

Can you please help me figure out STEP by STEP on how to solve this question? Write the equation of the line from the given infomaon. Waite the line in slopeinteroept form and standard {01111. 1 2 passing through [- 33] and [- 4,3]
image text in transcribed

Now suppose that the hot tea is poured into the cup first. Then, due to an impending diaper change, Dr. Van Nostrand must decide whether to add the cold milk immediately or in 5 minutes. Which method will yield the coolest drink? Use Newton's law of cooling, assuming the same k value for the tea, milk, and tea-milk mixture. Also assume that mixing

The following are defined using recursion for mu as Write the first four terms of each sequence 21 = 4 and an = zan- 1 + 3 for n = 2 A 4 . 15 . 35 . 453 B . 4 . 11 15 13 C . 4 . 11 . 25.53 D .3 15 72 53
image text in transcribed

I need help solving this question, it is for solving the feasible region \f
image text in transcribed

\f
image text in transcribed

Barry is trying to calculate the distance between point E(3, 1) and point F(4, 7). Which of the following expressions will he use?

6 . Refer to Figure 14 - 7 . The company requires a minimum rate of return of 4% . What is the net present value of the investment ? Use the following table for discount factors Period 2 4 10 A 0. 962 1 .886 12.775 13 . 630 | 4 .452 5 . 242 6.002 6 773 7 .435 18. 11 1 2 52775 b. $202775 C. $118 . 170 a. ( $81 , 830 )
image text in transcribed

A brace for a shelf has the shape of a right triangle. Its hypotenuse is 8 inches long and the two legs are equal in length. How long are the legs of thetriangle? The legs of the triangle are both ____ inches long

DECEMBER 4 PAYROLL : ( As you complete your work , answer the following questions to the December 4 Payroll . ) What is the amount of the credit to Employees SIT Payable M
image text in transcribed

1. At a recent presentation, your company's CEO stated the company's intent to expand into the service sector. Currently, your company is devoted exclusively to manufacturing. Of particular interest to your supervisor, Tom Henry, were the following statements: "In all likelihood, we will use some of our own product designers for service design.
image text in transcribed

34. As an aid to memorizing lengthy speeches, ancient Greek orators would Visualize themselves moving through familiar locations. They were making use of: A) the serial position effect. B) the next-in-line effect. C) implicit memory. D) the method of loci. E) the spacing effect
image text in transcribed

A ship leaves port on a bearing of 37.0 north of east and travels 12.1 mi. The ship then turns due east and travels 3.8 mi. How far is the ship fromport, and what is its bearing fromport?

Ten prominent citizens have been nominated for a community's "Citizen of the Year" award. First and second place trophies are awarded to the persons receiving the highest and second highest number of votes. In how many different ways can the trophies be awarded?

Can any tutor solve all 4 of these? Thank you! Appreciate it alot! Question 1 A company makes two kinds ot'animal food, A and B, which contain two food supplements. It takes 2 pounds of the rst supplement and one pound of the second to make a dozen cans of food A. and 4 pounds ot'the rst supplement and 5 pounds of the second to make a dozen cans
image text in transcribed

Angle ACB is an inscribed angle of circle P. What is the measure ofangle ACB if the measure of ABis60 degrees?

1)State the excluded values in the following expression: 3x^2+9/3x^2-14x+15

An insurance company sells car insurance and flood insurance. Claims come in following a Poisson process with rate 6. With probability 2/3 the claim is for car insurance, otherwise it is for flood insurance. Let N(t) be the number of claims that arrive by time t, let N1(t) be the number of carinsurance claims that arrive by time t, and let N2(t)

please assist me with the solution with the formula so i can check my daughters hw Find the vertical asymptote(s). Select the correct choice below and, if necessary, ll in the answer box to complete your choice. 0 A- The vertical asymptote(s) islare x = |:. (Type an integer or a simplied fraction. Use a comma to separate answers as needed.) O B.
image text in transcribedimage text in transcribedimage text in transcribed

What is the probability that a card selected at random from a standard deck of 52 cards is an ace or a heart? (Enter the value of probability in decimal format and round it to two decimal places.)

Explain the difference between an expression and an equation. What are the directions when you have an expression. What are the directions when you have an equation. Give and label an example of an equation and an expression.

Let r n,k denote the number of ways to divide n people into k groups, with at least two people in each group. For example, r 4,2 = 3. Set r 0,0 =1 a) Use a combinatorial argument to show that r n,k satisfies the recurrence relation r n,k = kr n-1,k + (n-1)r n-2,k-1 for n 1 b) Define r n for n 0 by r n = k r n , k Compute the table of values of r

Find the closest point y in the subspace W spanned by v 1 and v 2 . Y=[-15], v 1 =[1] , v 2 = [-8] [-1][-1][1] [1][-1][0] [-15][3][3] The closet point to y in W is the vector [] (simplify your answer.) linear algebra

How do you calculate the formula for IV drips? What is the formula?

In the2009-2010 school year in countryA, there were 110 comma 000 110,000 foreign students from country B. This number is 22 22 % more than the number of students from country C. How many foreign students were from countryC?

D. Justify why you chose this tool to analyze the data. Be sure to include how this tool will help predict the use of the data in driving decisions. E. Describe the quantitative method that will best inform data-driven decisions. Be sure to include how this method will point out the relationships between the data. How will this method allow for
image text in transcribed

8)A candy distributor needs to mix a 40% fat-content chocolate with a 60% fat-content chocolate to create 100 kilograms of a 42% fat-content chocolate. How many kilograms of each kind of chocolate must they use?

r1. [4 paints} Let A be an n. X 11 matrix. H A is invertible, shew that A+A is invertible by nding a matrix C so that [HA + A} = [A + AK: 2 I. Nate: you may guess whet C is and then shew that it satisfies the inneribity eenditien, but please write deem: me guess that 5. [4 petite} You are running a enmputer ende with given n1atriees A, B, and C
image text in transcribed

23. The information below is the number of daily emergency assists made to skiers by the volunteer ski team at Alpine Ski Lodge for the last 50 days. To explain, there were 22 days on which there were 2 emergency assists, and 9 days on which there were 3 emergency assists. Number of Calls Frequency 0 5 1 13 2 22 3 9 4 1 50 Total Convert this
image text in transcribed

Plz Help me understand this. Thank you. The graph of the derivative f ' of a continuous function f is shown below. (Assume the function f is defined only for 0 x .) The graph of the derivative 1" of a continuous function fis shown below. (Assume the function fis dened only for 0
image text in transcribedimage text in transcribedimage text in transcribed

A campus radio station surveyed 500 students to determine the types of music they like.The survey revealed that 198 like rock, 156 like country, and 112 like jazz.Moreover, 24 like rock and country, 20 like rock and jazz, 18 like country and jazz, and 6 like all three types of music.What is the probability that a randomly selected student likes at

How many different 7 digit phone numbers are possible if the 1st digit cannot be a 0 or 1?

\f
image text in transcribed

\f
image text in transcribed

f (x) = (1)/(3)\sqrt(x) Function Relation Vertical Line test Transformation

I need help with this question How do you find the zeros of a polynomial ? (Step by Step.) Includeexamples,illustrationsand/orapplicationsinyouranswer(s).

Problem 7 {Wheat}: Heavy rain in Midwest deiayed the harvesting of wheat in June, and wheat prices rose sharply to a six-month high. Wheat futures for July 2015 delivery rose approximately 6% to $6.1475 a bushel, the highest settlement price since last December. 1) Explain the increase in wheat prices with demand and supply curves. How did the
image text in transcribed

how we can use a scale to put numbers in perspective. Give an example.

\A survey of 2,000 doctors showed that an average of 3 out of 5 doctors use brand X aspirin.How many doctors use brand X aspirin? (Hint: Solve for X).

Traditional mass marketing of a single product has given way to t'get marketing which focuses on sasfving the demands of a particular segment of a product's market. To appeal to the various segments of the soft-drink-related market, the Coca Cofa Company's products include Coca Cola Classic, Caffeine-Free Coke, Diet Coke, Caffeine-Free Diet Coke,
image text in transcribed

The owner of ahealth-food store sells dried apples for $ 1.10 perquarter-pound, and dried apricots for $ 1.80 perquarter-pound. How many pounds of each must he mix together to get 20 lb of a mixture that sells for $ 1.59 perquarter-pound?

Roger can run one mile in 27 minutes. Jeff can run one mile in 24 minutes. If Jeff gives Roger a 1 minute head start, how long will it take before Jeff catches up to Roger? How far will each have to run

In a survey of 480 students, 253 indicated that play the piano, 268 indicated that they play the harp and 73 indicated they play the piano and the harp. 1. How many students surveyed play the harp only? a. 268 b. 155 c. 203 d. 195 e. 145 f. None of the above
image text in transcribed

The error function erf is dened as erf(x) = \f
image text in transcribed

Hi, I know that this math problem solution has already been given. However I am trying to understand how you came to the conclusions. The problem is: The intersection graph of a collection of sets A 1 , A 2 , . . . , A n is the graph that has a vertex for each of these sets and has an edge connecting the vertices representing two sets if these

The Efficiency of an Engine An approximate equation for the efficiency E (in percent) of an engine is: E=100(11R25) where R is the compression ratio. Find R if E =43.24. Round the answer to two decimal places.

use the compound interest formula A=P(1+r)t and the given information to solve for r. A=$2700, P=$2200 , t=3 r = ?% ( round to the nearest hundredth)

3. For the cost function 0061) = 100 + 2Q + 3612, the marginal cost of producing 2 units of output is: A. 2. B. 3. C. 12. D.14
image text in transcribed

me clarify as exponential growth or exponential decay y=17(1.9)^x

Prlm n: According to a recent WSJ article, wet weather in Texas spurred expectations of higher supply of cotton, and cotton price falls to a three-week low on May 18, 2015. Juty cotton futures, the most actively traded contract, closed down 2.9% at 64.92 cents a pound on the ICE Futures US Exchange, the lowest since April 22. {Optional Reading #3
image text in transcribed

Use three decimal places in all of your calculations and answers for this problem. Calculate the control limits for a c chart when U bar = 3.0%, n = 60, and you collect one sample per hour for 40 hours of production. No Ml] necessary. Provide the values and eguations for c-bar and the c chart control limits
image text in transcribed

1. A supplier shipped $3,000 of ingredients on 12199311 Peyton receives an invoice for the goods, as well as a bill for freight for $1?5, all dated 1329111 Goods were shipped FOB supplier's warehouse
image text in transcribed

Q. What is the difference between the meaning of "hypothesis" in mathematics, and the meaning of "hypothesis" in all other sciences, whether natural, experimental, social, or even statistics?

I've been trying to sove this problem using the Gausman-jordan eliminiation method and i keep getting a wrong answer. Can someone please assist me? x + y + z = -5 2x -3y +6z = 32 -4x + 5y + 10z = 8

1. Create a BI report (using the INSIGHT_TOY_DEMO data) with at least four sections. (20 points) 0 This BI report should include key facts about the company's performance on a global and regional level. 0 Choose appropriate visualization tools depending on the data you wish to present. Consider how the charts will be perceived by managers, and the
image text in transcribed

Johnny and his wife want to purchase a home. They found one online for 194,900 and he learned some info about the current mortgage rates. The loan officer indicated that he would need to pay a 15% down payment and 2 points at closing. Johnny wants to finance the home for 30 years with a fixed interested mortgage. How would I calculate the down

\f

the quadratic equation whose roots are3 and 5 , and whose leading coefficient is2 . (Use the letter x to represent the variable.) ? = 0

Solve the inequality, then write the solution set in interval notation and choose the correct graph. 4(4k+1)-8(k-1) <3(2k+5)-2 The solution set is?

\f

10} The frequency distribution below summarizes employee years of service for Alpha Corporation. 10} Determine the width of each class. Years of service Frequency 510 20 1115 25 1620 10 2125 5 2630 3 A314 EMU (3)5 DJIE
image text in transcribed

Find all solutions in the interval [0, 2). cos x = sin x

Stat 143!) Recitation 13E Section 5.1 FOR THE NEXT E PRBLEMS: Suppose you 1want to estimate the average number of years employees have worked at your company so far. 1i"ou take a random sample of 100 workers and you nd the average number of years they have worked at your company so far is ll] years. {Assume the standard deviation for number of
image text in transcribed

How can the power series method be used to solve the nonhomogeneous equation, y x y = 1 about the ordinary point x = 0 ? Carry out your idea by solving the equation. You can either attach your work or type in your work.

Thaddeus and Ian start at the same location and drive in opposite directions, but leave at different times. When they are 295 miles apart, their combined travel time is 7 hours. If Thaddeus drives at a rate of 40 miles per hour and Ian drives at a rate of 45 miles per hour, how long had each been driving?

( 12 ) Define ( blank entries represent zeros ) By n rows . n columns Find the determinants of the following matrices using row reduction ( a ) By 2 1 2 1 0 ( b ) BA 0 0 1\f( 13 ) Define ( blank entries represent zeros ) An 1 2 n rows . n columns ( a ) Express det As , det A1 , det As , and then det An in terms of det By , det By , det By and det
image text in transcribedimage text in transcribedimage text in transcribed

If(20,14)is an ordered pair of the inverse of F(x), which of the following is an ordered pair of the function F(x)? A .(20,14) B .(0,14) C .(14,20) D . (20,0)

Use the echelon method to solve the following system of two equations in two unknowns. Check your answer. X+y =7 5 x - y=5 Select the correct choice below and, if necessary, fill in the answer box choice. A.The solution is ?(an ordered pair.) B.There are infinitely many solutions. CThere is no solution.

What is the market value of 300 shares of Rs. 15 each if each share is sold at a premium of Rs. 3?

Showing 400 - 500 of 1494
  • 5 / 15