Basic Math question and answers for July 21, 2024
- Q A car was valued at $27,000 in the year 1991. The value depreciated to $11,000 by the year 2007.A) What was the annual rate of change between 1991 and 2007?r...
- Q At a certain intersection, the light for eastbound traffic is red for 15 seconds, yellow for 5 seconds, and green for 30 seconds. What is the probability that the light...
- Q What effect does the "h" value have on the function f(x) = log(x)? The "h" value moves the graph left or right.The "h" value moves the graph up or down.The...
- Q In a study of the effects of diet on blood pressure, one group of 85 people followed a vegetarian diet for 4 months, after which time their mean systolic blood...
- Q Use the following statement to answer parts a) and b). Five hundred raffle tickets are sold for $3 each. One prize of $500 is to be awarded. Winners do not...
- Q Two buildings in a sports complex are shaped and positioned like a portion of the branches of the hyperbola 144x^2 -625y^2 =90,000, where x and y are in meters.(a) How...
- Q The distribution of times that it takes college students to finish a specific exam is strongly skewed to the left. Suppose the professor took many samples of size 55 and...
- Q Is the set of negative integers a commutative group under the operation of addition?Is the set of negative integers a commutative group under the operation of addition? If not, why...
- Q Mandy wants to invest $1000 in an account that earns 7.2% interest, compounded quarterly. How many years will it take for he account to have a value of $5000? Round...
- Q Assume that Sunday is represented as day 0, Monday is represented by day 1, and so on. If today is Friday (day 5), determine the day of the week it...
- Q A commercial claims that 8 out of 10 dentists recommend a certain brand of toothpaste. To test this claim, a random sample of 85 dentists is obtained. Of these 85...
- Q Solve the system by using Gaussian elimination or Gauss-Jordan elimination.2x+7y = 15x+4y = -11The solution set is {(____,_____)}.
- Q Sketch the graphs of f and g in the same coordinate plane. (Include two full periods.)f(x) = 5 sin ?xg(x) = 5 sin ?x - 4Step 1To sketch the graph...
- Q Fill in the table using this function rule.y= 2x+4 x y -2 -1 ...
- Q Find the rate of change for the table of values.x 2 5 6 9y 5 11 13 19(A) -2(B) 2(C) 1/2
- Q At the fair there is a game: If a player rolls a die and gets a 1, he wins $5. If the person rolls a die and gets a 2,...
- Q Translate each of these statements into logical expressions using predicates, quantifiers, and logical connectives.a) Something is not in the correct place.b) All tools are in the correct place and are...
- Q Suppose a Ferris Wheel reached a maximum height of 80 ft and a minimum height of 3 ft. What would the vertical shift of the sinusoidal function be to model...
- Q Two softball teams submit equipment lists to show their sponsors. BATS SOFTBALLS ...
- Q Find the indicated terms in the expansion of(2x2 - 4x + 3)(2x 9) (5x2 + 2x + 4)The degree 1 term isThe degree 4 term is
- Q A one-to-one function is given. Write an equation for the inverse function.f(x) = (5 - x)/ 7f^-1(x) =
- Q Jocelyn is going to invest in an account paying an interest rate of 2.3% compounded continuously. How much would Jocelyn need to invest, to the nearest hundred dollars, for the...
- Q Solve the following system by graphing.2x - y = 64x - 2y = 6Use the graphing tool to graph the lines.Select the correct choice below and, if necessary, fill in...
- Q Graph the linear inequality.y? 3x
- Q Graph the linear equation.f(x) = - 3x + 5Use the graphing tool to graph the linear equation.
- Q A small radio transmitter broadcasts in a 38 mile radius. If you drive along a straight line from a city 49 miles north of the transmitter to a second city...
- Q A plane flies 405 miles with the wind and 315 miles against the wind in the same length of time. If the speed of the wind is 20 mph, find...
- Q Do each of the following: 1) Describe some of the similarities and differences among Euclidean, Spherical, and Hyperbolic geometries with respect to:a) trianglesb) models for the geometriesc) parallels
- Q A growing deer population increases by 3 animals per year. If the current population is 47 animals, what will it be in 6 years?In 6 years the population will be...
- Q Find the first four terms of the arithmetic sequence.a? = -5, d= -9What is the first term?a? = ?
- Q Graph the feasible region for the following system of inequalities. Tell whether the region is bounded or unbounded.x + y ? 4x - y ? 5
- Q A political party is planning a ninety-minute television show. The show will have at least 9 minutes of direct requests for money from viewers. Three of the party's politicians will...
- Q There were 636 students enrolled in a freshman-level chemistry class. By the end of the semester, the number of students who passed was 5 times the number of students who...
- Q Tell the maximum number of zeros that the polynomial function may have. Then use Descartes' Rule of Signs to determine how many positive and how many negative real zeros the...
- Q (a) Find the magnitude of an earthquake that has an intensity that is 73.7 (that is the amplitude of the seismograph reading is 73.7 cm). [Round your answer to one...
- Q You need a 25% alcohol solution. On hand, you have a 225 mL of a 20% alcohol mixture. You also have 70% alcohol mixture. How much of the 70% mixture...
- Q You invest $1134 in a special savings account that earns 1.2 % interest, compounded continuously. The money will be invested for t years. Write the equation that represents the situation.
- Q A museum gift shop sells hats with embroidered logos of the museum.The hats are available in small, medium, and large sizes. They are availablein the colors red and green.Make a...
- Q The half-life of radium-223 is approximately 11.43 days.Step 3 of 3: How much of an 8 gram sample of radium-223 would remain after 9 days? Round to three decimal places.Answer
- Q Compute the simple interest. If the time is given in months, let one month be 1/12 of a year. Round the answer to the nearest cent.Principal, Rate, and Time Interest$1,500...
- Q Find the interval I and radius of convergence R for the given power series. (Enter your answer for interval of convergence using interval notation.)? k = 0 to ? k!...
- Q Directions: Simplify each of the following expressions. Partial credit will be given if enough work is shown to indicate some understanding of the process. You are highly encouraged to show...
- Q Find all zeros of the following polynomial. Be sure to find the appropriate number of solutions (counting multiplicity) using the Linear Factors Theorem.f(x) = x^5 + 4x^4+21x +66x + 80x...
- Q Three different bacteria are cultured in one environment and feed on three nutrients. Each individual of species I consumes 1 unit of each of the first and second nutrients and...
- Q Consider the following equation. -4x+2y-26 = 0Step 3 of 3: Plot the point on the line with the x-coordinate x = -4.
- Q Your pet groomer charges according to how much your dog weighs. For adog that weighs 20 pounds or less, the groomer charges $25. For a dogthat weighs more than 20...
- Q Yum Yum Sandwich Shop has a lunch special. Customers can choose one sandwich, one bag of chips, and one drink. The options are below.Sandwich Chips...
- Q Historical data show that the average number of patient arrivals at the intensive care unit of General Hospital is 3 patients every two hours. Assume that the patient arrivals are...
- Q Heather drove 268 miles using 12 gallons of gas. At this rate, how many miles would she drive using 9 gallons of gas?
- Q Consider the equation and the following ordered pairs: (-4, y) and (x, 2).y = 2x + 8Step 1 of 2: Compute the missing x and y values so that each...
- Q The population in a certain town is increasing linearly each year. The population at time t = 3 is 1285 and at time t = 8 is 2460, where t...
- Q 1. Which of the following rules correctly represents the translation from ABC to MNP? A (x,y) ? (x + 5,y - 2)B (x,y) ? (x-2, y + 5)C (x,y) ?...
- Q The rate R that a certain disease spreads is proportional to the number of infected individuals and is also proportional to the number of uninfected individuals. The total population is...
- Q A truck costs $80,000. It depreciates in value $6,000 per year. Write a linear model in the form v(t) = mt + b where v(t) represents the current value of...
- Q Internetlivestats.com reported in December 2017 around 38% of the world population has an Internet connection today. If there are 3,074,488,191 users, what is the world population? (Round your answer to...
- Q Express the repeating decimal as a fraction in lowest terms.0.97= 97/100 + 97/10,000 + 97/1,000,000 + ...
- Q Use the distributive property to remove the parentheses.2+14+26+...+ (12k-10)+(12(k+1)-10) = k(6k-4) + 12(k+1)-10=6k-4k+....Then we simplify the right side of the formula.2+14+26+...+ (12k-10)+(12(k+1)-10) = 6k-4k+ 12k+12-10 = ....Factor the right side.2+14+26+...+(12k-10)+(12(k+1)-10)...
- Q A statement S, about the positive integers is given below. Write statements Sk and Sk+ 1.Sn: 4+10+16+...+(6n-2) = n(3n+1)Sk: 4+10+16+...+(6k-2)=Sk+1:4+10+16+...+ [6(k+ 1)-2] =
- Q The selling price of a refrigerator, is $537.90. If the markup is 10% of the dealer's cost, what is the dealer's cost of the refrigerator?
- Q What is the missing factor?6 x ? = 26450444030
- Q A farmer is building a fence to enclose a rectangular area consisting of two separate regions. The four walls and one additional vertical segment (to separate the regions) are made...
- Q Find the middle term in the expansion of (8/x+x/8)^10.
- Q Find the sum of the first 25 terms of the sequence.5, 8, 11, 14,..
- Q A company claims that the mean monthly residential electricity consumption in a certain region is more than 860 kilowatt-hours (kWh). You want to test this claim. You find that a...
- Q Find the sum of the odd integers between 20 and 48.
- Q Momentum is mass times velocity. Suppose the momentum of a 275 g object is kg m measured to be 219 kg*m/s. Calculate the object's velocity. Be sure your answer has...
- Q Solve the following inequality.?9x + 10??9Choose the correct answer below and fill in the values. Round to three decimal places if needed.?x?x? OR x ?All real numbers.There is no solution.
- Q Use technology to help you test the claim about the population mean, ?, at the given level of significance, a, using the given sample statistics. Assume the population is normally...
- Q Find the fourth term in the expansion of (x-2)^8.(Simplify your answer.)The fourth term is
- Q Consider a function that describes how a particular car's gas mileage depends on its speed. What would an appropriate domain for this function be? Choose the correct answer below. A....
- Q Describe the basic differences between linear growth and exponential growth. Choose the correct answer below. A. Linear growth occurs when a quantity grows by the same absolute amount in each...
- Q Choose the best answer to the following question. Explain your reasoning with one or more complete sentences. Which of the following is necessary if you want to make monthly contributions...
- Q Summarize how average spending patterns change with age. How can comparing your own spending to average spending patterns help you evaluate your budget? Summarize how average spending patterns change with...
- Q Briefly summarize the story of the bacteria in the bottle. Explain the answers to the four questions in the text.Briefly summarize the story of the bacteria in a bottle. Choose...
- Q What does the fact that the Dow Jones Industrial Average (DJIA) changes from day to day say?Choose the correct answer below.A. Time is a function of the DJIA because the...
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