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Mathematics Questions and Answers February 23, 2023

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2: Stock Portfolio $$$$$ DUE: _______________ MIDNIGHT You have $100,000 to invest in the stock market.In this project you will use Excel to keep track of your stocks or mutual funds, and monitor their performance, over the period of ______________ to __________________. (10 points) You must choose at least 10 stocks/mutual funds to purchase with

Question 8: Based u on historical data the successful seed ermination rate for a certain varie - of tomato is 57%. A P 3 8 plant nurser}r has recently sowed 10,000 of these seeds, and then shortly after received orders for tomato plants that can only be lled from successful germinations from this sowing. a) If the order is for 5,800 tomato plants,
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Solve the linear programming problem by sketching the region and labeling the vertices, deciding whether a solution exists, and then finding it if it does exist. (If an answer does not exist, enter DNE.) Minimize C =5 x +15 y Subject to2 x + 5 y 20 x 0, y 0 C =

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The amount a string stretches varies linearly with the mass applied to the spring. With no additional mass, the hanger was 30.6 cm off the ground. with 150 grams of additional mass, the hanger was 16.2 cm off the ground. A wooden black stretched the spring so the hanger was 23.5 cm off the ground . determine the mass of the wooden block, to at

Determine the flow rate for the following IV being administered by infusion pump. Ampicillin is 2.5g in 100mL 0.9%NS over 45 minutes

1. An airplane maintaining a constant airspeed takes as long to travel 755 755 mi with the wind as it does to travel 645 645 mi against the wind. If the wind is blowing at 11 11 mph, what is the rate of the plane in stillair? 2. Sue, an experienced shippingclerk, can fill a certain order in 5 5 hours. Felipe Felipe, a newclerk, needs 6 6 hours to

Complete thefollowinginvestments, which shows the performance(interest andbalance) over a5-year period. Suzanne deposits $4000 in an account that earns simple interest at an annual rate of 3.7%. Derek deposits $4000 in an account that earns compound interest at an annual rate of 3.7% and is compounded annually. Year Suzanne's Annual Interest

Rick traveled 2 hours nonstop to Peru, a total of 80 miles. He took a train part of the way, which averaged 50 mph, and then took a donkey the remaining distance, which averaged 30 mph. How long was Manuel on the train?

2. What type of functionlinear, power, or exponentialbest describes the relationship between age and monthly premium? Explain your
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A deposit of $40,000is placed in a scholarship fund that earns an annual interest rate of3.75% compounded daily. Find the value (in dollars) of the account after4years.(Assume all years have 365 days. Round your answer to the nearest cent.)

c. Develop a dummy variable that will account for the type of restaurant Italian or seafood! steakhouse)
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The median incomes of females in each state of the United States , including the District of Columbia and Puerto Rico , are given in table $ 2. 2. 10 (" Median income of , " 2013) . Create a frequency distribution , relative frequency distribution , and cumulative frequency distribution Using ] classes. Table $ 2. 2. 10: Data of Median Income for
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6. Multiple Choice: Find the equation of the line passing through (5, 2) and ( 1, 7). Hint: find point-slope or slope-intercept form of equation, then convert that to general form a. 2x + 5y = 0 b. 2x + y = 8 c. 5x + 6y = 13 d. 3x + 2y = 11 3. Solve for the variable. Check your answer in the original equation, if you determine the equation has a

tan a=3/4,pi

O L.12) The cost of a day in the hospital in the U.S. has caused lots of weeping, wailing, and gnashing of teeth. In fact, Ford Motor Company reported that it spent the same amount on health plans as it spent on steel in 1992. The following table gives figures in the form {t, H [t] } where t is measured in years since 1970 and H [ t ] is the
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Instructions: Fill in the missing amounts on the spreadsheet. Invoice Date of Date Cash Total Terms Invoice Paid % Off Price 2/10, n30 Jan. 23 Jan.30 2.0% $ 2,469.60 2 $ 276.00 net 30 Apr. 14 May. 11 276.00 3 850.00 3/15, n30 Nov. 11 Nov. 25 824.50 4 675.00 2/10 EOM Feb. 3 Mar. 9 2.0% 5 2/10, n30 Feb. 3 Mar. 1 0.0% 727.00 6 $ 1,888.00 8/20, n/50
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amount of interest An investment of $15,400 earns interest at 3.46% compounded quarterly from March 1, 2012 to August 1, 2014. At that time, the interest rate changes to 3.25% compounded monthly until July 1, 2016. Find the total amount of interest the investment earns. (Hint: REMEMBER N= NO. OF COMPOUNDING PERIODS SO DO NOT USE DAYS. USE MONTHS)
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When a wheel rolls along, the number of times it completes a full revolution to cover a certain distance varies inversely as the circumference of the wheel. If the wheels on a car have a circumference of 80 inches and they make 400 revolutions in traveling a certain distance: a) Find the constant of variation, k. b) show an equation relating the

6. 2000 freshman at NC State took a biology test. The scores were normally distributed with a mean of 70 and a standard deviation of 5. Label the mean and three standard deviations from the mean
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Graph theory questions Q1) Is graph of 21 vertices and each vertex has degree 11 exist ? explains with reason (No need to draw graph) Q2 ) Draw following graphs and check whether it is bipartite or not a) k 9 b) Q 4 (4-cube graph) c) K 6 ,5 Q3) Is graph Q 4 eulerian graph ? if yes then give euler cycle

A) B) C) D) 14.A researcher has developed a new drug designed to reduce blood pressure. In an experiment, 21 subjects were assigned randomly to the treatment group and received the new experimental drug. The other 23 subjects were assigned to the control group and received a standard, well-known treatment. After a suitable period, the reduction in
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i need help with Question 4 (1 point)
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compounded intrest Calculate the following: a. What interest rate compounded monthly is equivalent to 3.5% compounded quarterly? % Round to two decimal places b. What interest rate compounded semi-annually is equivalent to 4.5% compounded monthly? %
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Tim has $17.25 in quarters and nickels. He has a total of 105 coins. Write an equation to represent the amount of money Tim has.

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What mark-up on price is the equivalent of 18.3% mark on cost? Stacy is paid 73 for sewing a jacket collar, 86 for a sleeve with cuffs, and 94 for a lapel. One week she sewed 318 jacket collars, 112 sleeves with cuffs, and 37 lapels. Find her gross earnings.? Adrian is looking for individuals who enjoy working with their hands and are willing to

Week 2 Check figures used in grading: journalizing posted ledger cross-indexing N debit credit
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Thank you so much. Engineeing Physics 1. (35 pts) Use work-energy theorem to solve this problem. A rocket powered sled (m = 1250 kg) is at the bottom of a hill that is angled at 31.80 above the horizontal. The coefficient of kinetic friction between the hill and the sled is 0. 136. The rockets on the sled provide a constant thrust of 9550N. The
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Suppose that the imports from a certain country grew from about 38billion dollars in 1993 to 68billion dollars in 1998. Let x=0 correspond to 1993. Estimate the imports (in billions of dollars) for the year 2000. (Assume the data can be modeled by a straight line.)

The Spring and Fall changes between Standard and Daylight Savings time creates an interesting problem for telephone bills. Focus your thinking on the complications arising from the daylight savings time transitions. Create a table that shows risks, equivalence classes, boundaryr cases, and expected results for a long distance telephone service
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Exercise ] Measure the zones of inhibition for each antibiotic on the plates shown in Figure I and note the measurements in the spaces in Table I below . ( Note : The Kirby-Bauer method is standardized so that no zone of inhibition is scored as a O , and all others include the disk as part of the zone . ) Key : PE = penicillin , ME = methicillin ,
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solve the following radical equation. square root of 10x + 1 = 1 + square root of 8x

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Determine if the collection is not well defined and therefore is not a set: -The collection of the five worst U.S. cities.- Choose the correct answer below. A. The collection is not well defined and therefore it is not a set. or B. The collection is well defined and therefore it is a set.

If n people shake hands with each other, the total number of handshakes is given by the formula H=n(n-1)/2 Suppose 400 people shake hands with each other at a graduation party. How many handshakes took place?

1. Use ordinary interest to solve for Rate. Principal Rate Time Simple Interest 560,000 6 months $3600
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ROUNDto at least 2 decimal places unless otherwise noted. You just won a vacation on a radio contest.A weather website says that the temperature is expected to range from 25 to 36 C while you are there.How should you pack?How do you know?round to one decimal place. (8 pts) The airline that will fly you to your destination allows a maximum of 28 kg

1. 3x- 1= -7 2. +2 = 4 3. 6- -X =3 4. 1/2 0 - - : =4 5. 72 = 6. Five times the sum of a number and -1 is the same as 6 times the number. What is this number? 7. In 2012, New York produced 226 million pounds more apples than Pennsylvania. Together the two states produced 1214 million pounds of apples. Find the amount of apples grown in each state.
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3. Partial derivatives with two variables (11.3). Compute fx, fy, fxx, fyy, fry, and fyx for each of the following. (a) f(x, y) = x2+ y2 (b) f ( x, y ) = = Vx - y (c) f (x,y) = sin(xy) (d) f ( x, y ) = exzy (e) f(x, y) = In(e* +y) (f) f (x, y) = tan-1(x2 + y2)
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solve the problem with the wolfram Mathematica software and post a screenshot of it with the carve and solve equation .don't solve on the paper. solve only using Wolfram Mathematica software. 5. Do the following tasks using Mathematica. y = y = r= 2 (a) Plot the curves in a single graph for -2
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find g(f(x)) if f(x)=2x-3 and g(x)=X^2-1 find (f-g)(x) if f(x)=2x-3 and g(x)=4x+8 find (f+g)(x) if f(x)= 1/2x+4 and g(x)=x-3 find g(f(x)) if f(x)=-2x+3 and g(x)=x-2 find (f*g)(x) for f(x)=x-3 and g(x) x+2

How many milligrams are in a medication that contains 2500mcg? What is the Dimensional Analysis?

A deposit is made at the end of each month into a savings account paying 1.8% interest compounded monthly. The balance after one year is $1681.83. Calculate rent of the annuity.

1. Use each model to predict how much a 58-year-old would pay for such a policy. a. premium = -343 + 8.63(age) b. In(premium) = -12.98 + 4.416 In(age) c. In(premium) = -0.063 + 0.0859(age)
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How did early mathematicians discover that irrational numbers exist? At what point did they give up and decide that the numbers to the right of the decimals would never repeat and never stop? How far did they calculate out before making that decision ... 1000 places ....10, 000 places? How many irrational numbers are there? Can you put irrational

1)Expand and simplify (p + q)^3 2)Solve 10^(log(3x-4)) = y for x. 3)Solve (x^t)^2 = y for t. 4)Simplify x^7 y^2 x^-5 y^2 x^-3.5) Solve ln(ax) - ln(bx) + ln(cx) =d for x

How would I set up and solve this word problem? Jason started with d dollars in his piggy bank. One week later, Jason doubled the amount in his piggy bank. Another week later, Jason was able to add $20 to his piggy bank. At this point the piggy bank has $50 in it. What is d?

Write the polynomial as the product of linear factors. h ( x ) = x 4 +6 x 3 +10 x 2 +6 x +9 h ( x ) = List all the zeros of the function. (Enter your answers as a comma-separated list.) x =

Question S 1/1 point (graded) If you use mean ( ) on a logical ( TRUE/FALSE ) vector, it returns the proportion of observations that are TRUE. What proportion of individuals in the dataset are female
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2 balls are selected at random from the box. Answer the following questions be expressing your answer as an integer or a fraction in lowest terms. # Question Your answer What is the size of the sample space? 1
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I think I understand the concepts, but I'm getting tripped up in the calculations. Can you help me please? Find a basis for the nullspace of the matrix. {IF there is no basis, enter NONE in any single cell.} \"i: 'ii " It Find a basis for and the dimension of the solution space of the homogeneous system of linear equations. 3x1 + 3x2 + 15x3 + 11x4
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simplify 1. (4z 9 ) 3 z 27 2.(2a 3/4 ) 2 (5a 1/2 ) 8xy 2 x 1 y 7 8xy 2 x 1 y 7

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question shows below 3. In triangle ABC, AB = 8, and ZCAB = 60. Sides BC and AC have integer lengths a and b, respectively. Find all possible values of a and b
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Question 2 (10 points) Let S=$300, K=$300, r=10% risk-free interest rate, (continuously compounding), T=3 years, n=3, three-period binomial tree, 656.5%, continuous dividend yield on the stock, u=1.25, and d=0.7. a) Construct the binomial tree for the stock. b) Compute the prices of American and European calls. c) Compute the prices of American
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We look at the smoothed precipitation data for the state of Washington using the ipyleaflet interface. Which of these statements are valid interpretations of the PCA analysis of all the smoothed precipitation data for the state of Washington when mapped onto a topographical map? l:l Stations near the town of Yakima record a mean positive value for
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Easy! What is the inverse function of y=4 ? Is there one?

Erica is making 5 identical bridesmaid bouquers for a weeding. She has $610.00 to spend (including tax) and wants 24 flowers for each bouquet. Roses costs $6.00 each, tulips costs $4.00 each and lilies cost $3.00 each. She wants to have twice as many roses as the other flowers combined on each bouquet. (a)Set up the system of linear equations.

1. Consider the equations 2x + y = 2 3x + 2y = 2 . a) Write this system of equations in the form A x = b. b) Recall the \"row picture\" of the equations: each equation cuts out a line in R2 . Is the intersection of the lines a point, a line, or empty? How many solutions does the system of equations have? c) What is the \"pivot\" in the first step

A certain region currently has wind farms capable of generating a total of 2700megawatts (2.7 gigawatts) of power. Complete parts (a) and (b) below. Assuming wind farms typically generate 4040% of their capacity, how much energy, in kilowatt-hours, can the region's wind farms generate in one year? Given that the average household in the region

A freight train leaves the train station 1 hour before a passenger train. The two trains are traveling in the same direction on parallel tracks. If the rate of the passenger train is 5 mph faster than the freight train, how fast is each train traveling if the passenger train pases the freight train in 11 hours?

A local family-owned plastic cup manufacturer wants to optimize their production mix in order to maximize their profit. They produce2 sizes of plastic cups for a chain of stores sellingsmoothies;16 oz and 20oz cups.Currently, the smoothie company purchases three times as many 16 oz cups to 20 oz cups. The profit on a case of20 oz plastic cupsis

10. Find the quotient and the remainder. Check your work by verifying that (Quotient)(Divisor) +Remainder=Dividend. 16x35x2+x+1 divided by x+2 17. Find the midpoint of the line segment joining the points P1 and P2. P1 = (2,6) P2= (3,7) The midpoint is______ 18. The midpoint of the line segment from P1 to P2 is (5,7). If P1 = (1,8) , what is P2?

RocoPo Corp. had issued preferred stock with a par value of $90 and each share pays 8% dividend annually.Currently, each share of this preferred stock is trading at $110. What is the company's cost of preferred stock? When answering this problem enter your answer using percentage notation but do not use the % symbol and use two decimals

If a company uses the indirect method to report cash flows, it A. adds any increase in its accrued pension cost to net income B. subtracts any increase in its accrued pension cost from net income C. adds any increase in accrued pension cost as a financing activity D. subtracts any increase in accrued pension cost as an investing activity

Question 5: Ceramic drinking mugs are shipped from a pottery studio, in boxes each containing 4 mugs. Historical data indicates that, on average, 49/0 of these mugs are cracked or broken when they are opened after shipping. Calculate, to the nearest 0A): a) the probability that 1 of these shipped boxes will be 'perfect' ie, contain no cracked or
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An equation where Y=6 could be represented on a graph where Y is on the vertical axis and X is on the horizontal axis as

The next dividend payment by CafeSi Inc. will be $10 per share. The company is expected to maintain a constant 8% growth rate in its dividends, indefinitely.The company's stock currently trades at$50. What is Re (required rate of return) for CafeSi's equity? Show your answer to the nearest .1%.Do not use the % sign in your answer. For example, if

1.[5 marks] Use properties of Boolean algebra to simplify the following Boolean expression (showing all the steps): (x + y')(x' + y')'

Hello I am struggling with the following word problem: "Suppose that 300 fish are introduced into a protected lake. The fish population can be approximated by() =300+45 over 1+0.05, with t being the time in years since the fish were introduced into the lake. What is the equation of the horizontal asymptote of the function P(t) . Interpret what

Findc such that(5,9), (9,1), and(c,1) lie on a line.

Use a calculator to approximate the reduced row-echelon form of the augmented matrix representing the given system. Give the solution set where x, y, and z are rounded to 2 decimal places. 0.52x-3.79y-4.67z=9.15 0.03x+0.06y+0.13z=0.53 0.974x+0.813y+0.419z=0.189

A lakeside resort offered a midweek package at $189 per night for two people. The package included accommodation in aone-bedroom suite, which regularly sold for $290, breakfast fortwo, regularly priced at $13 perperson, and a 20% discount on spaservices, a value of $40 per person. (a) What was the overall markdown at which the packages weresold?

4. Do this problem without technology. A Markov chain with states {a, b, c} has transition matrix 1/4 3/4 0 P = 3/4 0 1/4 0 1/2 1/2 3 a. Find a stationary distribution. 2 b. Use the result of part (a) to find the expected return time to state c. 5] c. Use first-step analysis to determine the expected return time to state c
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Writing three- digit numbers in word- form e on last try: 0 of 1 pts. See Details for more. Try a similar question You can retry this question below Caught error while evaluating the code in this question: syntax error, unexpected "(T_CONSTANT_ENCAPSED_STRI Caught error while evaluating the code in this question: syntax error, unexpected
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Can someone help me solve this question? Please consider the hint : use the eigenvalues of A T A. K2(A) is the condition number of A : the product of ||A|| 2 * ||A^-1|| 2 [3pt] Let A E Rx be invertible. Let b E R"\\ {0 }, and Ax = b, Ax' = b and denote the perturbations by Ab = b' - b and Aac = ac' - . Show that the inequality obtained in Theorem
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What are the steps to doing this ? a ) -16(10) + 4(10) -152 : (3 .25) b ) -32 -42-12+3.4-20+(2.(-5)) +(-5)2 C) -16x : 4x - y? + (3y) d) -x2 - x2 - 3x +3x - 2y +(y.(-5)) +(-y) 2. Explain your learning experience when you worked each of the problems in problem 1. a ) When you are evaluating the expression -32, what are you thinking? How would you
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1) If 57% more of a quantity is 169.1, what is the quantity? 2) Solve the inequalities for the following exercises. Express solution set using interval notation, and graph the solution set on a number line a. 4(5x + 12) + 2 < 52 b. 5x + 6 -7x + 16 3) Write the equations of the lines using the given information. Write the equations in slope

Write an augmented matrix for the following system of equations. 5x-7y+4z=-1 x-5y+9z=7 8y-z=-6

Exercise 7.1. Consider the following population movement diagram. 0.80 0.08 0.90 0.75 0.25 (a) Write down the corresponding transition matrix T. (b) What does the fact that T is not symmetric say about the population move- ments? 0.6 (c) If the population distribution starts at 0 = 0.2 What will it be after one 0.2 iteration? How about after two
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If f(x)=4x^3+Ax^2+5x-7 and f(2)=1, what is the value of A? A=

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Find all anglesbetween 0and 180satisfying the given equation. Round your answer to one decimal place. (Enter your answers as a comma-separated list.) sin() = 5/7 cos() = -3/7 tan() =17 Find the exact value of the expression. cos(sin 1 (35/37) Find the exact value of each expression, if it is defined. Express your answer in radians. (If an answer

Use the slope-intercept form of a line( y = m x + b ) (y=mx+b) to graph the equationy = 4 5 x 1 y=-45x-1 .

I need help, can you explained this please . . . . . Question 3 options: C a) Yes C b) No Save Question 4 (1 point) Decide whether or not the equation defines y as a function of x. y = 16x - 2 Question 4 options: C a) Yes C b) No Save Question 5 (1 point) Decide whether or not the arrow diagram defines a function. Domain Range -9 -18 2 13 -15 -7
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My Problem. Thank you Multiply and simplify completely: 2x y ' . /1023y21 Your answer will be in the form AVB, where A and B are expressions. Enter your expressions for A and B in the boxes below. A B
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rewrite 2x + 4y = 10 into slope-intercept form, then state the slope and the x- and y- intercepts.

question 12 Chapter 8 Confidence Intervals (Mean) Progress saved Score: 0.5/13 1/13 answered Question 12 You are interested in finding a 90% confidence interval for the average commute that non- residential students have to their college. The data below show the number of commute miles for 13 randomly selected non-residential college students. 13
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Savings and Investments Practice (Lessons 1-2) 1. A bank is advertising the following 1-year CDs: (a) A CD with an APR of 1.95% of simple interest (b) A CD with an APR of 1.93% compounded daily or (c) a CD with an APR of 1.94% compounded monthly. Which is the best investment? (Hint, start with an initial investment of $10,000)
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Find the set ( A C ) U= {1,2,3,4,5,6,7,8,9,} A= {2,4,6,8} C= {2,3,4,6,8}

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Find the vertical asymptotes, if any, and the values of x corresponding to holes, if any, of the graph of each rational function. y = x/[x(x-3)] We know that we find the vertical asymptotes of a rational function by setting the denominator equal to zero, but (in this case) that wouldn't quite work. If I, blindly, did what I just said, I would do

Here is my problem. Thank you Consider the expression given below. Simplify this expression in the form Av B and place the appropriate expressions into the boxes shown below: 23 m Dr Answer: 23 m AVB, where A and B Preview A: Preview B
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11. The recommended dosage of Kanamycin is 15 mg/kg/day q8h. The child weighs 55 pounds. The amount the child will receive for one dose is
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A problem is listed below . Identify its type Mrs . Patel owns a jewelry store / She anticipates that she'll need a new jewelry cleaner in 2 years . She believes the jewelry cleaner Will cost her $650. / How much should she put away in an account that pays 6 %/0 per year compounded monthly so that she can pay cash for the cleaner in 2 years
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4. (10 points) Modify the singlecycle datapath by implementing the 'jump indexed' instruction (jdx). Below is the syntax. The instruction below jumps to address (t0+tl+1024) and stores result of (t0+ti+1024) in the memory at address at zero. The immediate value used is always a multiple of 4. In the instruction, the rightmost 00 are dropped,
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