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Mathematics Questions and Answers April 27, 2023

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y=2.63(1.47)^x Find the value of y if x = 1.2396211570973. Find the value of x if y = 1.6756930439158.

1.A farmer is painting a new barn. He will need to calculate the surface area of the barn to purchase the correct amount of paint. In which of the following units can the farmer expect to calculate the surface area? a. m b. m 2 c. ft d. ft 3 I think the answer is b.notsure. 2.A silo consists of a cone stacked on top of a cylinder, where the radii

2. You are ordering linoleum for an 18 ft by 15 it kitchen, but when you get to the store the measurements are in square yards, how much should you order? Round to nearest square yard
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Let , find the characteristic equation chi and use it to find the eigenvalues of A.'
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A child is prescribed amoxicillin (38mg/kg/day) to be given 2 times per day. If he weighs 59 pounds, what is the maximum dose that he should receive?(round to the nearest whole number)

2 marks 11. Write the equation of the hyperbola with vertices (4, 8) and (4, -4) and foci (4, 10) and (4, -6). 11. 2 marks 12. Determine the coordinates of the centre, vertices, and foci of the hyperbola with equation: (x-2)? ( 1-1)2 = 1 9 16 Sketch the graph including these points, the transverse and conjugate axis, the auxiliary rectangle, and
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Fluid is moving through a round duct at a velocity of 100 feet per minute. The duct diameter is 1.6 ft. What is the approximate volume of fluid moving through the duct in cubic feet per minute? Hint: One of the following equations can be used: Q = V * A; p = h* ?; Ff = N * ; F = s*A.

In parallelogram HJKL if mZKLH=170 find mLLHJ. K H/ xo 170 L Answer: Submit Answer problem 1 out of max
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Ms. N. Smart has $2200 to invest over the next five years. At the beginning of each year she can invest money in one-year or two-year term deposits. The bank pays 81 interest on one-year term deposits and 171 (total) on two-year term deposits. In addition, West World Limited will offer three-year certificates (total ) . . starting at the beginning
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b) A private plane takes 8 hours less to travel 960 km than a car. If the plane travels 3 times as fast as the car, what is the speed of the plane and the car
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The red arrow is wrong Choice 3: plane symmetry about an axisChoice 4: symmetry about an axis Identify whether the figure has plane symmetry, symmetry about an axis, or neither. plane symmetry
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Input is a social security number x; output is the full names of the children of the person with social security number x. Determine if the following can be calculated with a function and explain.

Write the equation of a line with a slope of -1 and a y-intercept of -6

. Which of the following groups of side lengths would not be a right triangle? a. 0.6, 0.8, 1.0 b. c. 27, 36, 45 d. 5, 5,

If f(x) = log(x), what is the transformation that occurs if g(x) = 3log(x)?

Matrices and Materix Operations History Bookmarks People Tab Window Help Dashboard X MA M3 Section 2: Matrices and M. X + C webassign.net/web/Student/Assignment-Responses/submit?dep=25419141&tags=autosave#Q22 32. [-/4 Points] DETAILS TANFIN 12 2.5.027. MY NOTES ASK YOUR Let A = ( 34]- and B = : 2]. (a) Compute AB. AB = (b) Compute BA. BA = (c)
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Minimize Z = 3x 1 + 6x 2 Subject to 3x 1 + 2x 2 18 x 1 + x 2 5 x 1 4 x 1 , x 2 0 GRAPH then Answer the following questions: a. Optimal Decision: X 1 =X 2 = b.What will the cost be? c. If this problem said " maximize profit" instead of "minimize cost", what would the optimal solution be? Optimal solution if "maximize": X 1 =X 2 =

x Suppose that the number of bacteria in a certain population increases according to acontinuous exponential growth model. A sample of 2400 bacteria selected from this population reached the size of 2751 bacteria in three hours. Find the hourly growth rate parameter. Note:This is acontinuousexponential growth model. Write your answer as a

MAT 134 Hmk Polynomials Evaluate the expression (-4)2

can someone help me with part b & c, not sure what im doing wrong \f
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6 Preview File Edit View Go Tools Window Help 'f a mhf4uc,practioe,test.pdf (page 5 of 13) v Q Q i] e mthuc_practice_t... d) The parent function's yintercept (0, 1) is transformed to (2, 4). Sketch the function y = 3(24'\" 8) 7 and its parent function including any relevant asymptotes. (3 marks) 5. Express the relationship I3 125 = 5 (without
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Cups are sold 5 to a package and plates are sold 10 to a package. If you want to have the same number of each item for a party, What is the least number of packages of each you need to buy? b) How many of each package will be needed for the party?

pls help me with this question 1 The functions fand g are defined by f(x) =9-2x and g(x) = ax + b respectively, where a and b are constants. If fg(x) = 1 - 6x, find the value of a and of b.
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Question 5 of 7, Step 3 of 4 6/17 Correct Consider the following equation of an ellipse. 49x2 + 36y2 + 392x + 360y - 80 = 0 Step 3 of 4: Find the endpoints of the major and minor axes of this ellipse. Answer Enter the coordinates to plot points on the graph. Any lines or curves will be drawn once all required points are plotted
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Solve the system of equations using the method of substitution: using steps 8x+4y=15 x+y=3 I need steps to figure out this equation

Hi I am studying for and upcoming test in two weeks and I am stuck on this question from my study guide. Brian has been playing a game where he can create towns and help his empire expand. Each town he has allows him to create 1.17 times as many villagers. The game gave Brian 8 villagers to start with. Help Brian expand his empire by solving for

how would I solve this problem from web assign? 2. o 41 points WaneFMAC7 8.4.004. 0/5 Submissions Used El My Notes Recall from Example 1 that whenever Suzan sees a bag of marbles, she grabs a handful at random. She has seen a bag containing four red marbles, two green ones, five white ones, and one purple one. She grabs eight of them. Find the
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Need helping finding the LCD and find the fractions to match Name Date Period Find the LCD and change the fractions to match. LCD: LCD: 1 . and Un I W 2. 8 2x x+5 x- 1 LCD: LCD: 3. 3x 2 5 x- 2 and x2 - 4 4 . and x2+2x-3 LCD: LCD: 5. 3 and X X x+4 x2-16 6. x2 + x- 2 and x + 2 13\f\f
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Evaluate (fg)(x) if f(x) = 3x 2 and g(x) = 3x - 1 when x = -2

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you cannot ______________all the solution to an inequality like x>6.

do fast as soon as A 27-by-40-inch sheet of paper is to be used for a poster, with the shorter side at the bottom. The margins at the sides and top are to have the same width, and the bottom margin is to be twice as wide as the other margins. Find the width of the margins if the printed area is to be 925 in? sides and top in bottom in
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Solve the system using Gaussian elimination or Gauss-Jordan elimination. x+4y=-7 4x+3y=11

How do i solve this ? So suppose a car accelerates at a rate of 13.6 feet per second each second over the course of 22 seconds. Then f (t) = 6.8t2 where d = f(t). Determine the formula for f '1: f'1(d) = _
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Translate this sentence into an equation. 66 is the sum of 16 and Craig's savings. Use the variable c to represent Craig's savings.

Y varies directly as x. y=20 when x=2. Find when x=17.

Thanks so much 12. Simplify: 5 15 + 1/4 V200 (A) 9V10 (B) V200 (C) 25V10 (D) 9V/5 10 (E) none of these 13. The carbon (C) in the compound C3H3Cls weighed 66 g. How much did the hydrogen (H) weigh ? (C, 12; H, 1; Cl, 35) (A) 3.4 g (B) 1.28 (C) 66 8 (D) 1.375 g (E) none of these 14. A dealer purchased an item for $ 600, marked it up (increased its
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Describe which of the following statements is wrong and how you know. You will get confirmation of your answer during today's Desmos activity. 10 10 5/ 5 -10 -5 0 10 -10 -5 There are TWO solutions. There are TWO solutions. Two Rights -5 and -10 -5 To 5 One Wrong There is ONE solution
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1. A fire ranger stands at an observation window 70 ft above the ground. She sees a fire in the distance. She takes a reading of the angle of depression and finds it O 63.9 e to be 24 . To the nearest tenth of a foot, how far away from the base of the tower is the fire? O 121.4 e ....... O 157.2 240 70 ft O 78.1

Hi, I need help setting up this problem please. A rectangular flower garden in a park is 25 feet wide and 35 feet long. A sidewalk around the perimeter of the garden is being planned, as shown in the figure. The gardener has enough money to pour 544 square feet of cement sidewalk. Find the width of the sidewalk? ft -35 ft
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how would I solve this problem from webassign.com? 1. + 0/1 points Previous Answers WaneFMAC7 8.4.001. 1/5 Submissions Used My Notes Recall from Example 1 that whenever Suzan sees a bag of marbles, she grabs a handful at random. She has seen a bag containing four red marbles, four green ones, five white ones, and two purple ones. She grabs eight
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Thehalf-life of radium is 1690 years. If 80 grams are presentnow, how much will be present in 260 years?

Hello please help me with this question, I'm stuck on it Let T be the plane 3xy = -15. Find the shortest distance d trom the point Po=(5: 4, -2) to T, and the point Q in T that is closest to Po- Use the square root symbol "J" where needed to give an exact value [or your answer. d:0 Q=(0.0,0)
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Help please Find the sequences of difference for those sequences given below. For example, for the sequence an : 1, 3,9, 27, 81, ..., you would find the sequence of first differences as an : 2, 6, 18, 54, .... bn : 1, 3, 7, 13, 21, 31, ... First differences of by : 2 4 6 8 10 Cn : 1, 2, 4, 8, 16, 32, ... First differences of Cn: dn : 0, 1, 3, 6,
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how do you find the maximum of a quadratic polynomial?

Recall that if the monic quadratic equation z + sz + r = 0 has roots (or zeroes) wj and w2, then we can write 2 2 + sz t r = (2 - w1 ) (z - W2). By comparing the coefficients of z on both sides, it follows that w1 + w2 = -S WJW2 = r So: i) The sum of the roots of Z - 3 z + 6 = 0 is 3 while the product of the roots is 6 ii) The monic quadratic
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given a function f defined on [a, b] and a set of nodes a = x0 < x1 < x2 ... a) S(x0)=S(xn)=0 b) S''(x0)=S''(xn)=0 c) S''(x0)=1 and S''(xn)=0 d) S'(x0)=S'(xn)=0

At the beginning of an environmental study, a forest covered an area of 1500 km 2 . Since then, this area has decreased by 1.4 % each year. Let t be the number of years since the start of the study. Let y be the area that the forest covers in km 2 . Write exponential function showing the relationship between y and t .

Consider the following system of linear equations: x+2y +3z = 0 -2x -4y + 5z = 0 3x + 6y - 2z = 0 Let W = {(a,b,c) R 3 | x = a, y = b, z = c is a solution to the above system} be the set of solutions to this system. Similarly let U be a sub space of R 3 be the set of solutions to the single equation: x + 2y + 3z = 0 (b) Are U and W subspaces of R

please help as soon as possible, thanks. nment5-2.pdf assignment5-1.pdf * Course Hero x + uginfile.php/313762/mod_page/content/3/assignment5-2.pdf ADLC Mathematics 20-1 Lesson 5.2: Solving Absolute Value Equations 2 7. An equation that describes the maximum and minimum temperatures at which a chemical compound is in a liquid state is given by the
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Which of the following is the least squares solution for the following system, Ax = b? 1 2 0 A = b = 3 1 1 O 22/5 = 7/2 O O [3/11 C = 5/11 O 1/2 i = O Trick question! There is no least squares solution for this system because it is inconsistent
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Problem 4 - (15 points) The entries of the matrix A = [ay] E MA are given as aj = j'- for all i, j E {1, 2, 3, 4}. (a) Determine the matrix A. (b) Use elementary row operations and/or cofactor expansion to calculate the determinant of A. NO CALCULATORS
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Word problems 1. Premium salad mix which costs $5/ oz is made by combining arugula which costs $3/oz with spinach which costs 6/oz. Find the number of oz of arugula and spinach required to make 9 oz of premium salad mix. 2. A metallurgist needs to make 15 lb. of an alloy containing 21% silver. He is going to melt and combine one metal that is 45%

Find a polynomial function of degree 3 with real coefficients that has the given zeros. -2,3,-4 The polynomial function is f(x)=

If y varies inversely as x, find the inverse variation equation for the situation. 19) y - 20 when x - 8 19) A) yi 160 By X X 160x Cy = 7X D)y= 160 Write an equation that expresses the relationship. Use k as the constant of variation. 20) x varies jointly as s and t. 20) A X ks B) x - kskt C) x = kst D X= kt S

Please help with full explanation. 1. Describe, with justification, the possible reduced row echelon forms of a matrix A in the following cases: (a) A is a 2 x 4 matrix whose columns span R2. (b) A is a 3 x 4 matrix whose columns span R3. (c) A is a 4 x 4 matrix whose columns span R4. 2. Let a, be R and a 0 A = b 1 a Find a spanning set for the
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Convert the equation2x+y=-3intoslope-intercept form. Graph the lineby plotting the y-intercept first, thenanother point using the given slope.

1.31. A thin skewed plate is subjected to a uniform distribution of stress along its sides, as shown in Fig. P1.31. Calculate (a) the stresses ox, cry, oxy, and (b) the principal stresses and their orientations
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Provided below are the sizes of 15 farms, in acres, randomly selected from the state of Oregon. The mean of this sample is 474 acres. 3200 117 358 233 512 383 96 88 468 346 182 172 251 358 336 a) Find the median of the sample and compare it to the mean and discuss the difference b) Find the mean and the median if you throw out the 3200 acre farm

Marcia, a lab technician, needs three litres of an 8% saline solution. She has a 5% saline solution and a 9% solution in the lab stock room. How many litres of the 5% and 9% solution should she mix together?

1- Ellen and her friend are playing a game.Ellen has a jar with 4 red marbles and 2 bluemarbles,and sherandomly picks marbles from the jar without looking.Ellen has the choice off whether to do so "with replacement" or "without replacement."To do so "with replacement" means that she will randomly pick the first marble,thenreturn the first marble

Can someone please help with and please show workings Are the following polynomial functions? Answer Yes or No. 3x 1. f(x) =- x -+x+1 2. f(x) =5x4 -0.7x' +x-5 3. h(x) =4' -7 4. Find the degree and leading coefficient: 3 x4 -2x3 - 7x* Describe the end behavior: 2 x4 - 2x5 -7x* 5. Find the degree and leading coefficient: 6x3 - 2x - 7 Describe the
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decode the hidden message by writing the indicated letter of the value of x \f
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Amortization Table Monthly nterest Monthly Payment Interest Expense Reduction in Unpaid Period Balance Unpaid Balance Original balance $143,000 1 $1,740 $1,430 $310 142,690
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If the Second term of the G.P is 2 and the 11th term is 1/256 , what is the first term ? what is the nth term ?

Righton Refrigeration specialises in the production of environmental engineering equipment. The cost of manufacture for a particular component, EC, is related to the production time (t)minutes, by the following formula C=1 6t'2+2t' Investigate the variation of cost over a range of productiontimes from 1 minute to 8 minutes: a) Plot the cost
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Give a constant factor approximation algorithm (that runs in polynomial time), and prove its correctness. (Your algorithm should always output a set of questions such that for every student in the class, there exists a question they got a non-zero score in. The size of this set should be approximately optimal)
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Why is the method of solving a system of linear equations by using the inverse of the coefficient matrix not a general method for solving such systems?

Find the median of the data 25, 37, 47, 18, 19, 26, 36.

Converge or diverge? 1. 2. 3. 4. (1)k k=1 k3 1 (1)k ln (k ) k=1 k1 (1) [2+(1) ] k=1 k k (1 )k+1 ( 43kk2+2 ) 3 k=1 1 5. (1)k+1 6. 1 (1)k kln(k) 7. find all valueof x for k=1 k k k k=2 (1)k (x3)k k +1 a) converges absolutely b) converges conditionally c) diverges 8. know p,q>0 show that ln ( k ) p (1) k q k converges

Simplify by writing the expression without absolute value bars. | w - 2|for w < 2 Select one: a. w + 2 b. w - 2 c.- w - 2 d.- w + 2

please answer the question in the picture 2. (Graded over 25%) Consider the following system of linear equations written in matricial form, where a is and b E R is a parameter, -1 1 b 1 Z a a) Solve the system whenever is possible. b) What is the relative position in the space of the three planes defined by each one of three equations of the
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1". Construct the circuit as a HANDHAND circuit and take its truth table. Ven'fy that this is the same as the truth table taken in step 3
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15. Which system has infinitely many solutions? . V- 2x+6 C. 4x+ 2y -5 y - Bx - 21 x- 1p-9 b. 4x - 4y=4 d. none of these X-PI 16. Which describes the number and type of roots of the equation 4x - 67 + 15x +2-07 a. 1 positive, 2 negative c. 3negative b. 2 positive, I negative d. 3 positive 17. For which of the following functions is / (-5) = 27 1.
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1)The width of a rectangular school auditorium is 14 feet less than its length. The area of the room is 1800 square feet. Find the dimensions of the room. A1) length =____feet A2) width =_____feet Hint: this problem can be solved efficiently by completing the square! 2) The path of a diver is given by y=-4/9x^2 + 24/9x +8 where y is the height in

The admission fee at an amusement park is $ 1.50 for children and $ 4.00 for adults. On a certain day, 299 people entered the park, and the admission fees collected totaled $936 . How many children and how many adults were admitted? can you please help me understand how to solve this problem

How would I solve this problem from web assign.com 3. 0 -l1 points WaneFMAC7 8.4.005. 0/5 Submissions Used R My Notes Recall from Example 1 that whenever Suzan sees a bag of marbles, she grabs a handful at random. She has seen a bag containing four red marbles, two green ones, three white ones, and two purple ones. She grabs five of them. Find the
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absolute value equations Hugo is pumping regular gas into his truck. Write and solve an absolute value equation to represent how many gallons of gas will be pumped when the total is $25 plus or minus $0.50 GAS STATION S/Gallon Regular $2.50 Plus $2.75 Premium $3.50 Diesel $2.75 Write the absolute value equation is The least amount of gallons of
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1. Ling wants to determine the average distance she travels each day in her car. She will use the odometer in her car to collect information because it measures the total distance her car has been driven since it was made. She decides to record the odometer reading each morning before driving it for the day. Below are the readings for each

11. Use this linear regression model to predict the sea level for the year 2050, or explain why you cannot
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Hello, Can you do question 5 on the document below? I'm not sure what else to include here but if you could submit an image of your work for it would be greatly appreciated! For the document https://www.coursehero.com/file/25844417/LinearProgrammingpdf/#/doc/qa

Johnny opened a retirement account with 3.25% APR in the year 2000. Her initial deposit was $12,750. How much will the account be worth in 2025 if interest compounds monthly? How much more would she make if interest compounded continuously? Round to the nearest cent. a.$28,687.50; $28,738.50 b.$28,700.25; $28,732.13 c.$28,701.02; $ 28,732.57

A tour group split into two groups when waiting in line for food at a fast food counter. The first group bought 6 slices of pizza and 4 soft drinks for $ 28.28. The second group bought 5 slices of pizza and 4 soft drinks for $ 24.50. How much does one slice of pizza cost? A.None of these. B.A slice of pizza costs $1.40. C.A slice of pizza costs

1) Find the equation of the line through (0, 2) that has a slope of A) y = - - 3 2 -x - 2 B) y = 3 -X - 2 2 Cy= x + 2 D) y = x + 2 E) None of these
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Exercise 4.6.10 Find the point on the line segment from P = (4,7,5) to Q = (2,2,3) which is 1/7 the way from P to Q.

Hello can you please help me with the answers? PRACTICE On Your Own... Reasoning and Proof Read each question. Then, fill in the correct answer on the answer document provided by your teacher or on a sheet of paper. 1. Which of the following is the inverse of 4. Which property justifies the following the statement, If it is Saturday, then
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need help with these questions detailed explanation 8. Determine the cubic equation that has zeros at -8. -4, and 13, if f(-10) = -138. (3) 9. Use long division to divide - 29x2 + 14x + 6x3 + 31 by 3x + 2. Write the multiplication statement. (4) 10. Calculate (6x3 + 5x2 -12x + 1) + (x + 2) using synthetic division, state the quotient and
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The question is attached below. Note: this is all that the question comes with! PLEASE TRY TO DO THIS QUESTION AS SOON AS POSSIBLE AS IT IS VERY URGENT!!! \f
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Oil is currently trading at $100 per barrel and storage is free. You are able to borrow and lend at 5% and 3%, respectively (both rate are annual rates with continuous compounding). (a) How would you exploit a six-month forward price for oil of $103 per barrel? (b) How would you exploit a six-month forward price for oil of $101 per barrel?

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List all vertices. (Order your answers from smallest to largest x, then from smallest to largest y.) ( x , y ) = ( x , y ) = A rancher raises goats and llamas on his 400-acre ranch. Each goat needs 2 acres of land and requires $100 of veterinary care per year, and each llama needs 5 acres of land and requires $80 of veterinary care per year. The

11) The IT department at Blue Lake College must connect each of the buildings (labeled A - J) with new fiber-optic cable. The cable costs $120 per linear foot. Identify the lowest cost to connect all of the building. D 20 E A 40 B 20 C 15
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Goods costing $18.13 at the beginning of the year 1941 cost $231.99 at the beginning of the year 1998. Find the average annual inflation rate over this time period. Express your answer the nearest thousandth of a percent.

What are the steps in solving this? + -/1 points WaneFMAC7 8.3.070. 0/5 Submissions Used The following table shows the profile, by the math section of the SAT Reasoning Test, of admitted students at UCLA for the Fall 2014 semester. SAT Reasoning Test-Math Section 700-800 600-699 500-599 400-499 200-399 Total Admitted 8,398 3,517 1,410 358 9 13,692
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That is the best thing ever 13. Write 1.14504 as a fraction of integers 11431 1 14504 11439 1261 (A) 900 (B) 100000 (C) 9990 (D) 1110 (E) none of these 14. Simplify: 47+ 12 _13 + 2 (A) - + - 5 1i 5 (B) OIN + 9/ (C) (D) WIA . + (E) none of these 15. Find a: C Iz+y b 1 =x a b X bc + x b ( A) y+z C (B) cy+ cz (C) - bxcty+z bc (D) bx - cy - cz (E)
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The concession stand at a school basketball tournament sells hotdogs, hamburgers, and chicken sandwiches. During onegame, the stand sold 16 16 hotdogs, 14 14 hamburgers, and 8 8 chicken sandwiches for a total of $93.00 93.00. During a secondgame, the stand sold 10 10 hotdogs, 13 13 hamburgers, and 5 5 chicken sandwiches for a total of $68.75

1. Explain how ratios are used when making conversions. B U Font Family - AA- A D = MOVE episodes 2. There are 2500 lbs in 1 ton

. 1. Each of the following sequences is monotone. Determine whether it is increasing or decreasing (try to do so without appealing to taking derivatives). Determine whether the Monotone Convergence Theorem applies to the sequences, and if so, try to determine the limit. 1.xn=1/ntan^(1)(n) 2.xn=(n^2+ 4n)n 3.xn=(2n^2+ 1)n

television game device has a list price of $266 and a trade discount series of 6/9. Find the net price and trade discount. The net price is: (Type an integer or decimal rounded to the nearest hundredth as needed.) The trade discount is:

Given thatSQ SQbisectsPSR PSRandPS SR PSSR,which of the following proves thatPQSRQS PQSRQS? Given thatAB AC ABACandAD ADbisectsBAC BAC, prove thatBDC BDCis an isosceles triangle.

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