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Mathematics Questions and Answers October 16, 2021

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1.Find the slope of the line through the points (-2,2) and (0,-3) 2. Write in point-slope form, y-y1 = m(x-x1) , the equation of the line through the two points given in #1. 3. Convert the equation that you wrote in #2 t o slope-intercept form, y=mx+b 4. Convert the equation that you wrote in #2 to standard form, Ax+By=C, where A,B, and C are

8.2 Practice - Higher Roots Simplify

Analyze the different types of cancer, and suggest at least three (3) cost-saving strategies to deal with long-term cancer care. Evaluate the pragmatic value of early cancer detection.

Solve the inequality. Sketch the solution on a number line, then use interval notation to describe your solution \f
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A study finds that the correlation between hours slept each night and academic performance is r = 0.25. How much of the variability in academic performance can be explained by hours slept per night? a. 75% b. 0 % c. 6.25% d. 25% e. 50%

1.) 2.) 3.) 4.) 5.) 6.) 7.) 8.)

If the inverses of two functions are both functions, will the inverse of the composite function made by the original functions also be a function?

A six-month note for $19 300, with interest at 8%, is issued on April 1, 2018. Find the present value on June 20, 2018, if the money is worth 7.2%

Hey, so I'm having trouble with Radical Expressions. Basically, I don't understand the perfect cubes etc. I understand perfect squares and the basics of Radical Expressions, but when it comes to the others I have trouble.

1. For an integer n 1, we define (n) = number of positive integers less than n which are relatively prime to n. (a)Find (28). (b)Let p be a prime number. List all divisors of p 3 , and use your list to find (p 3 ). (c)Find an example showing that (mn) = (m)(n) does not hold.

1. Solve the following equation for n: n/4 - 5/6 = 5/12 2. Solve the following equation for x: 2x/3 - 4x/5 = 1/15 3. Solve the following equation for x: 9/(4x) + 1/3 = 5/(2x) 4. Solve the following equation for x: |5x-7| = 14 Hint :This absolute value equation will turn into 2 linear equations, so there will be two solutions! 5. Solve the

Hello i could not find the right answer for it. It would be great if you can solve before 8pm on Sunday. \f
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13.Randomly selected nonfatal occupational injuries and illnesses are categorized according to the day of week that they first occurred, and the results are listed below.Use a .05 significance level and that such injuries and illnesses occur with equal frequency on the weekend.State the null and alternative hypotheses, the pvalue, and conclusion.

A card is picked from a standard deck of 52, and then a coin is flipped four times . How many possible outcomes are there?

match each function name with its equation f(x)=x^2 f(x)= x f(x)=x f(x)=3x f(x)=1/x f(x)=1/x^2 f(x)=x^3 f(x)=|x| pick either reciprocal squared,cubic,absolute value,quadratic,square root,reciprocal,linear,cube root

Statistics Are you: N Valid 518903 Missing 79100 Mean 1.44 Median 1.00 Std. Deviation .496 Skewness .261 Std. Error of Skewness .003 Minimum 1 Maximum 2 Sum 744792 what this means

John and heather are married, filing jointly, and had a taxable income of $105.500 and a tax credit of $ 1,000 in 2013. Using the 2013 Marginal Tax Rate Table from your textbook, compute their federal income tax. (Round to the nearest whole number and do not include commas)

Do you give private tutor sessions for Algebra 1. Please let me know how to get the questions so we can review together

# 14 - The reduced row echelon form of the augmented matrix of a system of equations is given. Find the solutions of the system. 1 0 0 2 11 0 1 0 9 -2 0 0 1 0 -1 0 0 0 0 0 Enter the solutions of the system. Use w for the parameter x = y = z = w is any real number Note: the numbers above should have a large bracket around the first 4 and a line

Consider the finite geometry (Z5)2. Graph the line 2x + 3y = 4. Anything unusual? Now I want to do something slightly odd. Recall that (Z5)2 has exactly 25 points. I want to put the number 5 on both axes and include 11 new points for (Z5)2. Thus for example I now have points like (5, 3) and (2, 5) in addition to the 25 points before. However in Z5

Find the differential of the function. (Enter alpha for , beta for and mu for .) R = 9 cos( ) dR = (No Response) d + (No Response) d + (No Response) d

The functionc(x)=0.5x+70 c(x)=0.5x+70represents the costc c(in dollars) of renting a truck from a moving company, wherex xis the number of miles you drive the truck. a. identify the domain and range.

4.10.4 Test Ts: three demensinal solids need help with these answers can't get them this is due tom and need help badly \fE: I S \"9.8 u we 85 .923 39:3: 9 .5355: meg: 05 8 55% 50> .252 25 :03 50> 255w 65% 8563 0:00 we: we wo .203. $5 9.: 8 52mg 3.58 05 8: "E at .IIEU 0 II. den .506. or: uEh. $6.02 530% mm 0:3 9. a we mansw 9: :_ 3.52 m 0>mz 50>
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8.)(1 point) A test ofHH0:=1againstHHa:1has test statisticzz= 2.28. Answer "Yes/Y" or "No/N" to the following questions. Is this test significant at the 10% level ( = 0.1)? Is it significant at the 5% level ( = 0.05)? 10.) (1 point) Golf-course designers have become concerned that old courses are becoming obsolete since new technology has given

How much money would you have to invest at 8 8 % compounded semiannually so that the total investment has a value of $ 2 comma 150 2,150 after oneyear?

can you explain how to solve the equation by use of the quadratic formula: 5v^2 - 4v = 10

10. Suppose we already know that 2 , A Zink = 210. Which of the numbers below is equal to E 1 point O 420 O 2 O 40 O 210 11. Which of the numbers below is equal to the summation ), 1 point O 48 0 7 O 63 O 70 12. Which of the following numbers is the variance of the set Z = {-2, 4, 7}? 1 point O V14 O 69 O 14 O 42 13. Which of the following sets
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A famous painting was sold in 1945 for 21,900. In 1980 the painting was sold for 30.2 million. What rate of interest compounded continuously did this investment earn? (Round to one decimal place as needed).

Solve the inequality. Write the answer using both set builder notation and interval notation. Graph the solution set on a number line. 2x-4 <7(x+3)

PROJECT 2 - GENERAL VECTOR SPACES DISTRIBUTED: 27 MARCH 2017 DUE: 14 APRIL 2017 My original intention was to provide you with a paper describing vector spaces over fields other than the real numbers R. Vectors spaces over fields C, Q, F4 , etc. are extremely interesting and I'd be remiss to let you complete a linear algebra course without even a

H South Univcls'llyCampm- X I CollcgcAlgebIaIHMAT'ImSS. X a Do Homework-Bnggette... X X '- Ga httpsjfwww'mathleorn/SIudenI/PlayerHomework'aspx?homework|d=422061229&questionld=6&usher C' QSearcFJ a * ' 0 3 MostVrsrted httpszifwwwyahoox... Ii Facebook 5 South UnrversrtyCamm I Home-ROBLOX Currege Algebra u | r.. . Homework: Week 3 Homework Score: 3

Digby Corp. ended the year carrying $9,677,000 worth of inventory. Had they sold their entire inventory at their current prices, how much more revenue would it have brought to Digby Corp.? Select: 1 $5,578,000 $9,677,000 $20,817,000 $15,420,000

take this data and findthe correlation coefficient r,produce a scatter plottry to develop Y' = a(X) + b Time(in hours)units made ( per each hour) 12 22 34 43 54 64 75

Hello there. Can you please help me understand these. 1- (10 Pts) Solve the inequality I4 2x| 3: B and write the solution set in interval notation. Select one of the multiple choice answers. Show work. A. [-2, ) B. (00, -2] U [6, 0) 0 (40,61 U [-2, 0t) D. [-16] x + 3 . , , . . 2. (10 pts) Solve E s 0 and write the solution set in interval notatmn.
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Can anyone help me to answer this question? Really appreciate your help. Problem 5 (3 points) Evaluate / sins of mm? 2"" whare C is the circle [If radius 5, centre , positively I'iEIltd
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Jordan and Mike are both planning on attending university in Calgary. Jordan's parents rent him a one bedroom apartment for $750 per month. Mike's parents bought a 3 bedroom house for $285000 and made a down payment of 10%. The remaining amount was mortgaged over 20 years at an annual rate of 4.15% compounded semi-annually for a 5 year term. They

I NEED HELP! I am so bad at this venn diagram stuff. can someone solve this for me??? a Do Homework - Lisa Barton - Google Chrome X a Secure I https:fjwww.mathxl.coijtLiden't/PiayerHomeworkastPhomewnrkld:4279067758iquestionld:ETBt'i'Iushed:truetcld:4470522centerwin:yes L' MAT 11 5 A09 Homework: HW #2: Sec 2.1-2.4 Score: 0 0H pl 4 59 ores (61
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State the converse of the following sentence: "If today is Wednesday, then tomorrow is Thursday." If today is NOT Wednesday, then tomorrow is NOT Thursday. If tomorrow is Thursday, then today is Wednesday. If tomorrow is NOT Thursday, then today is NOT Wednesday. If today is NOT Thursday, then tomorrow is NOT Wednesday.

group in favor of freezing production of nuclear weapons believes that the proportion of7.individuals in favor of a nuclear freeze is greater for those who have seen the movie "The DayAfter" (population 1) than those who have not (population 2). In an attempt to verify thisbelief, random samples of size 500 are obtained from the populations of

The number of fish in a lake at any given time is approximated by the function N(t) = 10,000/1+29e*2t where t is the number of months measured from January 1st. Estimate the total number of fish that have populated this lake during the year. Round your estimate to the nearest thousand.

A rocket follows a path given by y=x- 1/55(x 3 ) (distances inmiles). If the horizontal velocity is given by v x = x, find the magnitude and direction of the velocity when the rocket hits the ground(assume levelterrain) if time is in minutes. Find the magnitude of the velocity of the rocket at the point Find the direction of the velocity of the

A truck requires 9 litres of gasoline for 72 kilometers. At the same rate of gasoline use, how far can the truck go if the gas tank holds 75 litres

show all steps and do not just give the final answers. Material is based on Chapter 8 and 9 from Ahn. Please upload your homework to Blackboard and you have two attempts to upload correctly for each homework. 1. A toxicologist wishes to investigate the relationship between the probability of a developmental defect and the level of a certain acid

Determine the set of points at which the function is continuous f(x,y,z)=sqrt(x+y+z)

In a certainyear, out-of-pocket expenses for an elderly person in poor health were $ 3340 more than for an elderly person in good health. Combinedout-of-pocket expenses for one person in poor health and one person in good health were $ 6626 . Find theout-of-pocket expenses for each type of person. What were theout-of-pocket expenses for an elderly

If f(u, v, w) is differentiable and u = x y, v = y z, and w = z x, show that f/x +f/y +f/z = 0.

I really need help with these problems. I am struggling big time. Any help. Which of the following is a complex fifth root of -3-3i3 ? The letters x and y represent rectangular coordinates. Write the following equation using polar coordinates ( r , ). xy=1 The letters x and y represent rectangular coordinates. Write the following equation using

bat fungus called white-no se syndrome has killed an estimated 500,000 bats throughout the country. This means about 2, 400,000 pounds of bugs arent eaten over the year, says Forest Service biologist Becky Ewing. How many pounds of insects does an average bat eat annually? Associated Press-Times-Standard 5/2/09

t, n 'wm \\ yr score was recorded. have attempted this problem 3 times. reoeived a score of 0% for this attempt. - .. , ' _ >

6.How many 9-member committees can be formed from a class consisting of 27 students?What if three particular students must be included on the committee? 7.In a game of musical chairs, 12 children will sit in 11 chairs arranged in a row.One child will be left out.In how many ways can the 12 children find seats? 8.A mailman has special delivery mail

(a) Find the equation of the regression line for the given data, letting Row 1 represent the x-values and Row 2 the y-values. Sketch a scatter plot of the data and draw the regression line. Part 2Input the values of the slope and intercept for the regression line when Row 1 represents the x-values. Modifying Above y with caret equals=nothing x

Write a matrix model that represents the female cheetah population dynamics using info below: There are 4 age classes: cubs(first year of life), adolescents( 2nd year of life), young adults(3rd year of life) and adults (4rth year of life) 6%of cubs survive to adolescence, 70%of adolescents survive to young adults, 80%of young adults survive to

Factor the trinomial 7y 4 -19y 3 -6y 9x 2 -6xy-8y 2 Factor completely 15x 2 -10x-5

Find an equation of the line that satisfies the given condition. (Let x be the independent variable and y be the dependent variable.) The line passing through the origin and parallel to the line passing through the points( 4 , 3 ) and ( 6 , 8 )

Draw a Venn diagram and use the given information to fill in the number of elements in each region. n(A)equals=2020, n(B) equals=1717, n( A union B) equals=2828, n left parenthesis Upper A prime right parenthesis A equals=14

11. A property that must be satised by the elements of V under the addition operation + in a vector space is that of closure: Ifu, v e V , then ll + v e V. Determine whether elements of the given set satisfy the closure property under the dened addition operation +. A) V = Set of all real-valued differentiable functions on (00, co). + is the usual

This is a homework question using Matlab. Hope someone can help me asap, thanks a lot!

toy rocket is launched from the top of a building 102 feet tall at an initial velocity of 217 feet per second. a) Give the function that describes the height of the rocket in terms of time t. b) Determine the time at which the rocket reaches its maximum height, and the maximum height in feet. c) For what time interval will the rocket be more than

I need to double check my work in the following problem. PROBLEM: Solve the quadratic equation using the quadratic formula. Approximate solution to the nearest thousandth. 31%2 + 8t 1 = 0 SOLUTION: 3t2+8t1=0 a=@,b=@,c=@ Hum 211 tZE i (EYMEXE) 2E] _ t 64+@: @i\\/E E] El @J_r2\\/@ Ei E+JE _ E E t: 12 3 3 +43588 NM "\" 3 '\" 3 The solutions are
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How much will you have accumulated over a period of 25 years if, in an IRA which has 10% interest rate compounded monthly, you annually invest

1. Find functions f and g so that f g = H(x) = (5 - 2x3)2. a. f(x) = 5 - 2x3 ; g(x) = x2 b. f(x) = (5 - 2x)3 ; g(x) = x2 c. f(x) = x2 ; g(x) = 5 - 2x3 d. f(x) = x3 ; g(x) = (5 - 2x)2 Q2. Find the inverse of the function and state its domain and range. {(-3, 4), (-1, 5), (0, 2), (2, 6), (5, 7)} a. {(3, 4), (1, 5), (0, 2), (-2, 6), (-5, 7)}; D = {3,

"lb question has several parts that mus to come back to the skipped part

This week, as we begin our study of square roots. A good starting point is to explore the life of Pythagoras and his contribution to the world of mathematics. provide us with a snapshot of one part of his life or his discoveries. Include in the post the famous theorem that we still use today, supported by a detailed example.

Find the coordinates of the vertex, the y-intercept, and the x-intercepts (if any exist) of the following quadratic function. g(x) = x(squared) 10x + 11 The vertex of the quadratic function g(x) is? The y-intercept of the quadratic function g(x) is? Is there an x-intercept? Or, the x-intercept of the quadratic function g(x) is (are) ?

Use the standard normal distribution to find P (-2.25 < z < 0)

Solve the inequality in #15, write its solution set in interval notation, and graph the solution set on a number line. 15) -(4 - 2n) 3(n + 1) Find the slope of the line. Assume that the scale on each axis is 1 unit per tick mark. 16) y x Find the x- and y-intercepts of the line represented by the equation below. Plot both intercepts on a

20. mfg) = 3x2 3' and 30:} = x 4. (:1) Find the composite function (f 0 30(1) and simplify. Show work. (b) Find (f :2 g)(6). Show work
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1. Construct a binary storage tree for words \"key, apple, lion, store, mouse, code, line, ace, king\". 2. Use both Kruskal's and Prim's algorithms to construct a minimal spanning tree in a weighted finite graph of your choice. 3. Is it possible to use Kruskal's or Prim's algorithm to construct a maximal spanning tree in a weighted graph

Find the volume of an ellipsoid with a semi-major axis of length 9, first semi-minor axis of length 5, and second semi-minor axis of length 4.5. Use = 3.14 and round your answer to the nearest tenth. 847.8 270 40.5 831.5

12. You have been hired to design a box (rectangular prism) with a volume of 24 ms. The height of the box must be 2 m
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I can't figure out what to do. I'm not sure what to do with the 3 feet tall. JBCOD IJOWI'IS v {atuuenc - sectlon: 1.14} l'l ADULU,H|I|IIIGII Laluulul u, rll lult E messages LOUI'SES Help Logout 4 ln w/t+1 (1+1)2 A certain plant grows at the rate 0f feet per year! years aer It is planted. If the plant was 3 Feet tall when it was planted, then how
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Find the Slope and the y-intercept of the line 3y+7x=-8. I don't know how to find the answer for this question.

Need full process for this question, From MTH411 Abstract Algebra \f
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The top and bottom margins of a poster are each 9 cm and the side margins are each 6 cm. If the area of printed material on the poster is fixed at 864 cm^2, find the dimensions of the poster with the smallest area.

As the VP of warranty claims in the Andrews Company, you and your team regularly review your insurance broker emails as a procedure to guard against insurance fraud. This review includes reviewing the emails of other VPs. You just received a call from your boss who was furious that you reviewed her email. You responded that she is not alone; you

Determine whether or not the four vectors listed above are linearly independent or linearly dependent. If they are linearly dependent, determine a non-trivial linear relation - (a non-trivial relation is three numbers which are not all three zero.) Otherwise, if the vectors are linearly independent, enter 0's for the coefficients, since that
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Mike took clothes to the cleaners three times last month. First, he brought 4 shirts and 2 pairs of slacks and paid $17.94. Then he brought 7shirts, 4 pairs of slacks, and 2 sports coats and paid $47.37. Finally, he brought 4 shirts and 2 sports coats and paid $23.94. How much was he charged for each shirt, each pair of slack, and each sports coat

hi, I need help with this assignment. I need it on word format. please see the attachment. thanks

a patient is admitted with hypovolemia. the MD orders a fluid challenge of 2 liters over 4 hours and then a maintenance iv dose at 75 ml an hour. you use a macrodrip for the original 2 liters (10 gtt/ml) and a micro-drip for the maintenance. What is the drip rate for the fluid challenge? gtt/min What is the rate for the iv maintenance? gtt/min

f an object is propelled upward from a height of s feet at an initial velocity of v feet per second, then its height h after t seconds is given by the equation h= 16t^2+vt+s, where h is in feet. If the object is propelled from a height of 12 feet with an initial velocity of 96 feet per second, its height h is given by the equation h=16t^2+96t+12.

I am not sure what this means... " What are 3 methods of solving systems of equations?" Can someone please explain and show me examples for a better understanding?

what is the total cost of restringing racquets for 150 tennis racquets with a total cost of restraining fixed cost of $950 and a variable cost is $24?

Suppose that the function g is defined, for all real numbers, as follows. \f
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What is the pair with the sum of -37 is? i dont understand what this means

Lee just purchased a new house costing $125,000. Houses in the area are appreciating at the rate of 3.50% per year .If this rate holds steady for 5 years, what will the house be worth assuming that this 3.50% rate is compounded annually?

4. The sides data over the last 10 yours for the Acme Hardware Store are as follows: 2003 $230,000 2008 $526,000 2001 276,000 2009 605 000 2005 328.000 2010 690/000 2006 388 000 2011 7791000 2007 158 000 2012 873.000 a. Calculate the compound growth rate for the period of 2003 to 2012. b. Based on your answer to part a, forecast sales for both
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Dr. Green is conducting a study to examine the effects of diet type (vegetarian, omnivorous) and exercise frequency (none, moderate, high) on weight loss. The results show that participants on a vegetarian diet lost more weight than those on an omnivorous diet, regardless of their exercise frequency. This finding demonstrates _____. a. an

Please show all work using the equation tool on microsoft word, so that it'll be easier to see and be more understandable. Thank you. 2) Given the line with equation: 3X + 4y 2 24 NOTE: You can use desmosxom to graph your response digitally. This is the only,r DNLINE calculator that will be allowed, :1) Convert the equation to slope-intetoept
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what this means - The mean of the data was 1.44 with a standard deviation of 0.496

Complete part a through b using the probability distribution below. Complete parts (a) and (b) using the probability distribution below. The number of overtime hours worked in one week per employee Overtime hours 0 1 2 3 Probability 0.044 0.054 0.152 0.279 {a} Find the mean, variance, and standard deviation of the probability distribution. Find
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Jamaal is planning to invest up to $22,000in City Bank or State Bank. He wants to invest at least $5,000 in CityBank, but not more than$8,000;since State Bank does not insure more than $15,000 he wants to invest no more than this amount in State Bank. The interest at City Bank is 4%,and the interest at State Bank is 5%.How much should he invest in

1. Let B = {3, 5, 10, 11, 14}. Is the following statement true or false: 3 B 1 point O True O False 2. Let A = {1, 3, 5} and B = {3, 5, 10, 11, 14). Which of the following sets is equal 1 point to the union AU B? O {1, 10, 18} O {3, 5, 10, 11, 14} O {1, 3, 5, 10, 11, 14} O {1, 3, 5, 3, 5, 10, 11, 14} 3. How many real numbers are there between the
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Answer the questions about the following function. f(x)=18x^2/x^4+81 (a) Is the point (3,1) on the graph off? (b) If x=2, what isf(x)? What point is on the graph off? (c) If f(x)=1, what isx? Whatpoint(s) is(are) on the graph off? (d) What is the domain off? (e) List thex-intercepts, ifany, of the graph of f. (f) List they-intercept, if there

state whether the winning time in a 200 meter sprint could accurately be described by the whole numbers.

Write the quadratic equation whose roots are 5 and 5, and whose leading coefficient is 5. (Use the letter x to represent the variable).

o AT&T as HW 3 2: Problem 6 (1 point) Use the given graph of the function fto answer the following questions. 1. Find the open interval(s) on which fis concave upward- Answer (in interval notation): (0.2)U(4.5)U(5.8) 2. Find the open intervai(s) on which f is concave downward. Answer (in interval notation): (2,5) 3. Find the coordinates of the

How many years does it take an investment of $10,000 to increase in value to $16,000 at the annual rate of 3.5%, compounded monthly? Round your answer to 2 decimal places. Please explain and show the equation/work

Multiply as indicated and simplify. 15) (2a -4 )(2a 2 -8a-6) Solve the equation by factoring. 16) 6k 2 =7+19k Solve the equation by completing the square. 17) x 2 +14x+29=-12 Solve the equation by use of the quadratic formula. 18) 5b 2 =4b+2 State the excluded values for the following expression. Then simplify the expression. 19) (x 2 -2x-3) / (x

If a,b,c are natural numbers, a>3, b is a multiple of c, a is a multiple of 3, and c cannot equal to 3, then determine if each of the following is always true, is sometimes (but not always) true, or is never true. Thoroughly explain your answer. A) If c is a multiple of 3, then both c> 3 and b is a multiple of 3 B) 3*c is a multiple of a*b C) a*b

The total power P (in W) transmitted by an AM radio station is given by P=500+250m^2 where m is the modulation index. Find the instantaneous rate of change of P with respect to m for m = 0.86 The instantaneous rate of change is____ W.

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