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Mathematics Questions and Answers March 15, 2023

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How do police officers use data statistics in their career?

I had a question on my math test like this: -3x + y = 6 ax + 2y = 4 a = ? answer choices: a) -6 b) -3 c) 3 d) 6

30. Leisure Lite manufactures a variety 0t sporting equrpment. I he tinn's predetermined overhead applicatien rate was 150 per cent of direct labour cost. Job 104 included direct material of $20 000 and total costs were $25 000. The manufacturing overhead applied to Job 104 to date is A. $5000. El. $2000. ; $3000. D. $2500
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When the volume of a gas changes very rapidly, anapproximate relation is that the pressure (P) varies inversely as the3/2 power of the volume. If (P) is 300kPa when V=100cm^3, find the derivative of P with respect to V. Evaluate this derivative for V=100cm^3. This is a word problem in my homework that I am getting nowhere on. I do know from the

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Applying the Intermediate Value Theorem Suppose you park your car at a trailhead in a national park and begin a 2-hr hike to a lake at 7 A.M. on a Friday morning. On Sunday morning, you leave the lake at 7A.M. and start the 2-hr hike back to your car. Assume the lake is 3 mi from your car. Let f(t) be your distance from the car r hours after 7

LJUHMEJLLAUDE uuula.' IIILIL}. JJ'LCLLI'J. Ila-DD 2. 1 Sets 38 2.2 Set Operations 41 2.3 Functions 45 2.4 Sequences and Summatiene 53 2.5 "Clar'clinalitg,r of Sets 58 2.6 Matrices 61 Supplementary Exercises for Chapter 2 63 CHAPTER 3 Algorithms
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Find the center and the radius [If the circle. 2] f+ Eli-103+ 83?: GE
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Find the percentage change. Round to the nearest tenth of a percent if necessary and state whether the change is an increase or a decrease. 7) From 57 tons to 55 tons Find the final price of the item below, given that the tax will be applied to the discounted price. 8) Original price of shoes: $39.95 Discount: 58% Tax: 2% Use simple interest to
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Solve for the indicated variables. [15 4 [x-y 4 0 30] = 0 2y+x] x= y=

Received $3,000 cash from customers for services rendered. Paid wages, $1.750. Received and paid advertising bill of $100. Performed services worth $2.500 for credit customers. Received $1,?00 cash from customers previously billed on account. EDT-PH??? Mr. Douglas withdrew $5,300 cash for personal use. 10. Paid utility bill. $205. Req uired:
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Exercise 12 -1 For each of the following kinds of laws , pick at least one of the four grounds fo justification discussed in the text - legal moralism , the harm principle , legal paternalism , and the offense principle and construct an argument designed to justify the law . You may not agree either with the law or with the argument he exercise is
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Best Plastics produces a line of cell phone covers. Its best-selling cover is the Cobra model, a slim but very durable black plastic cover. The annual fixed cost for the Cobra model is $234,000. This fixed cost includes management time, advertising, and other costs. In addition, the variable cost, including labor and material costs, is $2 for each
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Part B* *Cempute the regression equation. Steps: Q'): What is the numeric value for the slope? Q10: What is the y-intercept
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Find the tangent ratio of angle . Hint: Use the slash symbol ( / ) to represent the fraction bar, and enter the fraction with no spaces. Triangle ABC is shown. AB measures 12. BC measures 13. CA measures 5. The angle formed at point C is marked theta and angle A is the right angle.

Points (5, 2) and (-7, 6)are endpoints of the diameter of a circle. (a) What is the length of the diameter? Give the exact answer, simplified as much as possible. Show work. (b) What is the center point C of the circle?(c) Given the point C you found in part (d), state the point symmetric to C about the y-axis

2.19. vae: If f is hulumrphic in the raglan G E C and always real valued, then f is cunstant in G. (Hint: Use theI CauchyRiemann equanns [2.3] to Show that f" = .)
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How do you simplify this equation with positive exponents (-2x 3 y 5 ) (4x 8 y 7 )

Under selected conditions, a sports car gets14mpg in city driving and19mpg for highway driving. The model G = c + h represents the amount of gasoline used (in gal) for c miles driven in the city and h miles driven on the highway. Determine the amount of gas required to drive98mi in the city and399mi on the highway. Select one: a.34gal b.33gal

Find the linear function that is the best fit for the given data. Round decimal values to the nearest hundredth, if necessary. \table[[x,y],[2,15],[4,37],[6,60],[8,75],[10,94]] y = 10x - 3 y = 9.8x - 2.6 y = 9x - 3 y = 9.2x - 2.1

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This problem is related to the IFT and the envelope theorem. A competitive rm chooses the quantity of labor L to be hired in order to maximize prots, taking as given the salary to and the value of a productivity parameter :9. That is, the rm mIax (6f(L) wL). Assume that the production function f (-) is twice continuously dierentiable, strictly
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b. Enter into the table your calculated value for the spring constant, then play with different values of mk until you get a close match to the motion. (Note: It will never be perfect. Remember that there are two kinds of spring damping. Both are at work here. but we are not going to model both.) Once you're satisfied with your model, record your
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can you please help me with this equation? step by step process please . 47 - x / 100 - x < 37.6% x=number of shares that must be surrendered. 47 minus x divided by 100 minus x the result should be < 37.6%

Esteban poured himself a hot beverage that had a temperature of 195 degrees Fahrenheit then set it on the kitchen table to cool. The temperature of the kitchen was a constant 70 degrees Fahrenheit. If the drink cool to 177 degrees Fahrenheit in 5 minutes, how long will it take for the drink to cool to 100 degrees Fahrenheit? Please round to the

I read what the translation method is but still do not really understand it. What is the translation method?

Find the first six terms of the sequence. a 1 = -4, a n = a n-1 + 7 -4, 3, 10, 17, 24, 31 -4, 7, 14, 21, 28, 35 3, 10, 17, 24, 31, 38 0, 7, 14, 21, 28, 35 Find an equation for the nth term of the arithmetic sequence. -1, 2, 5, 8, ... a n = -1 + 3(n) a n = -1 + 3(n - 1) a n = -1 + 3 a n = -1 + 3(n + 1) Find an equation for the nth term of the

13.Case study.3 A landlord wants to work only 10 more years and then retire. The landlord currently has $ 300,000 in the bank. The landlord plans to purchase a $ 250, 000 apartment complex as an investment. The landlord also plans to invest the other $ 50,000 and aim to have $1 million between the two investments to retire on. 1..... The apartment

2\sqrt{x}\frac{dy}{dx}=cos^2y solve the separable equation.

how can we use hypothesis testing to help make a decision in our job, a past job, or a life situation, what would be the null and alternative hypotheses, and how data could ideally be collected to test the hypotheses.

Using the PEMDAS rules. What is the answer for: 62(1+2)

Find the equation for a line which passes through the points (-1, 10) and (3, -6).Write the equation in slope-intercept form. Rob, a resident of Metropolis, pays Metropolis an annual tax of $60 plus 1.6% of his annual income. If Rob paid $996 in tax, what was Rob's income?

A small bicycle manufacturer has daily fixed costs of $1930 and each bicycle costs $72 to manufacture. Let x represent the number of bicycles manufactured and C(x) represents the cost of manufacturing. (a) C(x)=_____ (b) C( 4)=_____ This means that the cost of manufacturing ____ bicycles in a day is $____. (c) V alue of x if C(x)= 2866.Use

The weights of packages of' crackers follow a normal distribution with a mean of 15.2 oz and a (2 points) standard deviation of .5 02. If x-bar is the mean weight of an SRS of 7 packages of crackers, then x-bar has an 0' Exact normal distribution with 11:15.2 and 0:.2 Q Exact normal distribution with \"=1 5.2 and 52.4 (3' Approximate distribution
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1. Sunshine City was designed to attract retired people, and its current population of 50,000 residents has a mean age of 60 years and a standard deviation of 16 years. The distribution of ages is skewed to the left. A random sample of 100 residents of Sunshine City has a sample mean of 53.3 and a sample standard deviation of 15.0. a. Describe the
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Use the following Lowell Inc . information for Questions I to 13 Lowell Inc 2005 2006 Sales $3, 50 $4 , 209 Cost of Goods Sold 1.850 2190 Interest 310 320 Selling , General and Administrative Expense 200 210 Dividends 14 196 Depreciation 32 360 Cash $45 206 Receivables 290 350 Current liabilities 1.100 1 250 Inventory 1 168 1 090 Long-term debt
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a student determined that the ordered pair (2,-4) is a solution of the following system. x y=-2 5x y=3 his reasoning was that the ordered pair satisfies the first equation x y=-2, since 2 (-4)=-2. what went wrong?

A chemist needs 170 milliliters of a 51% solution but she only has 44% and 61% solutions available. Calculate how many milliliters of each should be mixed to get the desired result. How many milliliters of the 44% solution should she use?

Jay Jenkins takes out a 11.0 % simple interest loan today that will be repaid 3 months from now with a payoff amount of $ 4000.00 . What amount is Jay borrowing?

Unit 06 Assignment (Required/Graded: 80 Points) CSLO 4 Q01 (5 Points) f (x)=x Find f' (x) Answer: Q02 (5 Points) Find d(x 2 +4x-7) /dx Answer:

When each side of a given square is lengthened by 2 inches, the area is increased by 40 square inches. What is the lengh, in inches, of a side of the original square?

Select the point that satisfies y x2 - 5x + 6.A.(2, 2)B.(1, 1)C.(3, 3)D.(4, 4)

Negate the statement and simplify so that no quantifier or connective lies within the scope of a negation: (x)(y)(P(x,y)Q(x,y))

The table below gives the number of shares traded in billions on the New York Stock Exchange. Year 1980 1982 1984 1986 1988 1990 1992 1994 1996 1998 Shares 11.562 16.669 23.309 36.009 41.118 39.946 38.512 34.284 50.176 64.003 a. What is the appropriate model for this data set - linear, quadratic, cubic, or exponential? b. Find the appropriate

The equation models the height h in centimeters after t seconds of a weight attached to the end of a spring that has been stretched and then released. a. Solve the equation for t. b. Find the times at which the weight is first at a height of 1 cm, of 3 cm, and of 5 cm above the rest position. Round your answers to the nearest hundredth. c. Find

The following table tells us about the sales (in millions of dollars) of a computer chip manufacturer in the following years. Years 1990 1991 1992 1993 1994 1995 1996 1997 Sales (millions of dollars) 325 4624 7714 11518 15598 15607 19989 22285 Find the average rate of change from 1991 to 1995. $___________millions of dollars per year. Then if that

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1. Determine the earnings per share of common stocI-c for each plan, assuming that the income before Eon]! interest and income tax is $2,13,. Enter answers in dollars and cents, rounding to the nearest whole cent. FEE'JPJEE 13.". :5]! 1'3 2192'! 'J! 9!! .5. 395'}! Plan 1 5; Plan 2 $ 1.00 Plan 3 $ 1.44
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6 . Determine how Walmart's free cash flow would change if Walmart's inventory and accounts receivable balances were adjusted to meet Costco's ratios
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Find the slope of the line passing through the pair of points below. Assume that all variables represent positive real numbers. Then indicate whether the line through the points rises, falls, is horizontal, or is vertical. (a,0) (b,0) Select the correct choice below and fill in the answer box within your choice. A. The slope is: . B.The slope is

1. Based on the depreciation worksheets you completed for the desk and the computer, what is the amount of depreciation which can be claimed in 2016? a) $398 b) $433 c} $360 d) $652 2. Based on the depreciation worksheets you completed for the desk and the computer, what is the amount of depreciation which can be claimed in 2017? a) $ 0 b) $573 c)
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Hello, Can I please request a breakdown of the following question and how the answer was found? Thank you [2] Calculate the acceleration of a hamster if it increases its velocity 'om rest to 10 M5 in two seconds. Answer: 5.0 mishz
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. {9 points} You have gained access to a dataset that includes commercial real estate transaction that took place during the REIDEDIE time period in l'varni FL and in San Francisco= CA- Aer general data "clean up" you ran the following regression: Price = :1 + ISQFT+ Bgl'ear + 33cm: -1- .34umMiami Where: Price is the price in dollars paid for each
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\\JIUUUIII. I'uIIIU. ULUUUII I UIIIUUILUII 1. Top administrators in a university hospital have approved a project to improve the efciency of the pharmaceutical services department by the end of the fiscal year to satisfy new state regulations for the coming year. However. they are concerned about four potential threats: (1) The cost to implement
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12- The function C (r) = 17r2 60 gives cost in dollars of producing r items. What is the marginal cost of increasing r by 1 item from the current production level of r=10
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By graphing, find the set of points that satisfy all the following inequalities. 5x + 13y 390 9x + 10y 367 16x + 3y 416 x 0, y 0 a) What is the corner point that lies farthest to the right in the solution region? b) What is the corner point that lies next farthest to the right (in other words the corner point with the next largest x-coordinate)?

Q. The average error of a forecast is called its: a. bias. b. mean squared error. e. trend factor. d. least squared error. 1D.As the size of the smoothing constant increases: a. more weight is put on historic demand data. b. more weight is put on reoent demand data. o. the sensitivity of the model decreases. d. the stability of the model increases
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. Explain what methods will be used to set the parameters for the query. . Dene the specic questions that need to be asked and answered in order to address the specied business problem. . Explain how the entity relationship diagram [ERD] was used in addressing questions 12 above. . Describe ethical dilemmas that could be encountered as a result of
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v. State your conclusion in the form of atheorem, and then prove the theorem using a two-column proof. When you write the proof, refer to the diagram you created in part 1. ltwill be helpful to use point labels to state what is given and what you have to prove and to use those labels throughout the proof. As part of the proof, you'll have to
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how do I figure out what is the product in simplest form, and if there is any restrictions on the variable? y 2 y 2 - y - 6 ____ . ________ y - 3 y 2 + y

If $ 10,000 is invested at 10 % compounded (a) annually, (b) semiannually, or (c) quarterly, what is the amount after 8 years?

If the estimated market rent for the subject property is $1,280 and the gross monthly rent multiplier is 115 what is the indicated value of the property?

please assist me with this question on my daughters hw, i wish to see the formula along with how you arrived the answer Solve the following 109 3 ( 3 x + 7 50 Select the correct choice below and if necessary , fill in the answer box to complete your choice A . The solution is ( Simplify your answer . Type your answer in interval notation . Use
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What is the correct graph of the function f(x)= 8/x-2 \f
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what is the relationship between the three elementary row operations performed on an augmented matrix and the operations that lead to equivalent systems of equations? What are the advantages in convertinga system of equations to an equivalent augmented matrix?

Let X be a compact metric space and let f : X X be a continuous function. Prove that if f has no fixed points, then there exists a > 0 such that d(x,f(x)) >= a whenever x X. Show by example that the compact hypothesis cannot be dropped.

Create an degree 3 polynomial in the form f(x)=ax^3 +bx^2+cx+d such that f(-6)=0 and f(-2+1)=0

What is the interquartile range (IQR) of the data set represented by this box plot? apex 44,51,56,73,81 What is the interquertile range [IQR} of the data set represented by this box pnlet'i'I
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If you know a map, FoG, is surjective, prove F is or isn't Surjective. repeat this, replacing surjective with injective(onto)

ensen's Travel Agency has a 7 percent preferred stock outstanding that is currently selling for $48 a share . The preferred stock has a $100 par value . The market rate of return is 10 percent and the firm's tax rate is 34 percent What is the Jensen's cost of preferred stock ? A . 14 .58 percent B . 8 75 percent
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5.Find (f+g)(8) and (fg)(2) where g(x) is the piecewise function from 4 and f(x) =3x26. 3.a Find the AROC of g(x) = 5x3 from x= 1 tox= 5 I solved this and got 5 3.b Estimate f(3) using the AROC or average rate of change. Is the estimate equal to f(3)? If it is, why do you think it is in this case, but not in others? the question is complete i got

The average annual tuition and fees at all 4-year institutions inastatein 1982 was $10,385 and in 2012 was $ 23,872.Let y be the average tuition and fees in the year x, where x = 0 represents the year 1982. I. composelinear equation, in slope-intercept form, that models the growth in average tuition and fees at all 4-year institutions in thestate

This question is about convex NLPS and KKT conditions, which I do not quite understand. I just want to know how to show that constraint 3 is tight at x'(any optimal solution to NLP) in question b. Thank you for your help! Question 5. Convex NLPs and KKT conditions (15 marks) Consider the following non-linear program. min 333 (NLP) 8.1}. 1'1 + 1172
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Suppose the charge account of Black's Mailing Service at the local supply store had a 1.5 % interest rate per month on the average daily balance. Find the Black's finance charge on April 1 if Black's had an unpaid balance on March 1 of $ 134.35 a payment of $ 15.00 posted on March 14 and a purchase of $ 28.97 posted on March 19 The billing cycle

Let f Qlx]. Let f'(x)=x^d*f(1/x) where d=deg f > 0. Show that f' Q[x], and that assuming x does not divide f, we have that f is irreducible in Q{x] if and only if f' is irreducible in Q[x] f ' = x^d f(1/f) where d = degree of f >0 looking to show that the polynomial f in Q[x} is irreducible if and only if f ' in irreducible in Q[x}

Its one problem, just a few questions pertaining to the one problem. Question: 1.John calculated that he would need an additional $1,000 a month during his 25 years of retirement.His annuity pays 4.75% interest compounded monthly.What is the necessary present value he needs in his account the day he retires? 2.From problem 1, how much interest did

For each equation use implicit differentiation to find dy/dx. Show all work. y 2 =x 4 y 2 =4x+1 xy=12 x 3 +2xy 2 +y 3 =1

. Determine the interval(s) on which the function is decreasing \f
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Suppose Ruth Ann has 3 routes she can choose from to get from school to the library. and 5 routes from the library:r to her home. How many routes are there from Ruth Ann's school to her home with a stop at the library
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please assist me with this question on my daughters hw, i wish to see the formula along with how you arrived the answer ? The magnitude R . measured on the Richter scale of an earthquake of intensity I is defined as R = 109 . Where lo Is a minimum intensity used nsity of an earthquake was 10 8.36 . 1 . what used for comparison . If the intensity
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I need help filling out this magic square. Thank you Find a 3-by-3 magic square using the numbers 4, 6, 8, 13, 15, 17, 22, 24, and 26. Fill in the magic square
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we a bioup Leader , the stall member must enter Have more than HIVICE ears or be a college graduate n cell K 2 enter a form ula using the IF and OR functions , as well as structured eferences , to determine if Adam Moriarty can be a group leader The IF function should first determine if the staff member's Service Years is greater than 3 OR if the
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Answer all the following: i) What is the exact cell entry in 313? Give the entry in terms of cell references not variable names (e.g., =A12+320) ii) What is the exact cell entry in 314? iii) What is the exact cell entry in 315? iv) In columns D and E, we want to produce the savings values using Excel's data table option. What is the exact entry in
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c. Now, observe the graphs of the horizontal and vertical components of velocity versus time: . On the graph of x vs r. click the x and from the drop-down list, select vx. . To display the graph of v,, vs. I, repeat step 1, using the graph of yvs. 1'. What do you observe about the velocity components of the snowboarder before and after time t: 0?
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3. Modeling rates of change; the width. More information about Lake Travis. The base of Manseld Dam is 210 feet. For modeling purposes, we will assume the width of the water on Manseld Dani when Lake Travis is at the full state is 900 yards, using the information in Figure 2, Dam Face [goes straight down) When Full' 900 yd across _ Figure 2: (a)
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SHDRT ANSWER: 13. Multiva and simplify: {5 + 2{8 + 3:}. Write the answer in the form a + 321', where a and I: are real numbers. Answer: . . . . x + 4 l4. Solve, and write the answer in mteival notation: 1 E [l . Answer: x 15. A bowl of soup at 175 F. is placed in a room ofconstant temperature of TI)\" F. The temperature Tof the soup :' minutes
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the second of two complementary angles is 57 degrees larger than 2 times the first angle, find the degree measure of both angles

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The lengths of pregnancy terms for a particular species of mammal are nearly normally distributed about a mean pregnancy length with a standard deviation of 16 days. About what percentage of births would be expected to occur within 48 days of the mean pregnancy length?

Jose left the mall and drove west. Scott left one hour later driving 10 mph faster in an effort to catch up to him. After five hours Scott finally caught up. Find Jose's average speed.

2. Is 1the random variable given in the accompanying table discrete Number of or continuous? Explain. Girls, x
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Explain why the values of an increasing exponential functions will eventually overtake the values of an increasing linear function.

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Question 10 (Multiple Choice Worth 1 pints ) 104 07 Use the table below of the function t( x ) = * - 4x to answer this question ( x ) What is the average rate of change from x to x = 2 Question 1 1 ( Multiple Choice Worth 1 pain s ) (04.04 ) What are the possible rational zeros of f ( x ) = * + 2x -3x-4x+ 12 + 1 . + 2 + 3 . + 4 . + 6 + 12 + 1 , +
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What are the similarities and differences between the Chain Rule for differentiation of x^n versus the Power Rule for differentiation? Thank you!

Which of the following are differences of squares? m^2-9, x^2+4, 5y^2-16, 25b^2-9 select all that apply A. x^2+4 B. m^2-9 C. 5y^2-16 D. 25b^2-9

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