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Dee bought 6 dolls and 2 toy trains for $55. At the same prices, Joy bought 4 dolls and 7 toy trains for $65. What is the price of a doll?
General
2 months ago
In Bill's physics class, he had to solve the equation 6 = 12kx2 for k. Each step of his work is shown below.Use the drop-down menus to explain each step. CLEARCHECKGiven Equation: 6 = 12kx2Step 1: 6x2 = 12k on both sides of the equation.Step 2: 12x2 = k on both sides of the equation
General
2 months ago
Help ASAP! 20 Points!Hilda looks at the blueprint plan of a four-walled room in which the walls meet each other at right angles. The length of one wall in the plan is 12 inches. The length of the diagonal of the floor of the room in the plan is approximately 16.97 inches.Is the room in the shape of a square? Explain how you determined your answer. Show all your work.
General
2 months ago
Alan works as a customer service executive for an electronics showroom. He has come across an angry customer who is complaining about a faulty product that he purchased from the showroom a week ago. If Alan has good customer service skills, which of these steps should he take? A. tell the customer to bring a written complaint later B. ignore the customer completely C. be responsive as well as polite D. keep the customer waiting as long as possible
General
2 months ago
Find the critical points of the following function. Use the Second Derivative Test to determine (if possible) whether each critical point corresponds to a local maximum, local minimum, or saddle point. Confirm your results using a graphing utility. f(x, y) = x^4 + y^4 + 32x - 4y + 5 What are the critical points? Select the correct choice below and fill in any answer boxes within your choice. The critical point(s) is/are. (Type an ordered pair Use a comma to separate answers as needed.) There are no critical points. Identify any local maxima. Select the correct choice below and fill in any answer boxes within your choice. There are local maxima at. (Type an ordered pair. Use a comma to separate answers as needed.) There are no local maxima. Identify any local minima. Select the correct choice below and fill in any answer boxes within your choice. There are local minima at. (Type an ordered pair. Use a comma to separate answers as needed.) There are no local minima. Identify any saddle points. Select the correct choice below and fill in any answer boxes within your choice. There are saddle points at. (Type an ordered pair. Use a comma to separate answers as needed.) There are no saddle points.
General
2 months ago
Find the absolute maximum and minimum values of the following function on the given interval. If there are multiple points in a single category list the points in increasing order in x value and enter N in any blank that you don't need to use. f(x)=3sin(x)+3cos(x), [0,π/3]
General
2 months ago
Coal is carried from a mine in West Virginia to a power plant in New York in hopper cars on a long train. The automatic hopper car loader is set to put 50 tons of coal into each car. The actual weights of coal loaded into each car are normally distributed, with mean = 50 tons and standard deviation = 0.9 ton.(a) What is the probability that one car chosen at random will have less than 49.5 tons of coal? (Round your answer to four decimal places.)(b) What is the probability that 35 cars chosen at random will have a mean load weight of less than 49.5 tons of coal? (Round your answer to four decimal places.)
General
2 months ago
Find the length of the arc, s, on a circle of radius r intercepted by a central angle theta. Express the arc length in terms of pi. Then round your answer to two decimal places. Radius, r = 5 inches; Central angle, theta = 30 degrees
General
2 months ago
You bought a 5 pound turkey for 14.45. How much would a 7 pound turkey cost?
General
2 months ago
As a part-time contractor, you want to test a new cement mixture for a project. You need 2 34 wheelbarrows of sand to make 8 wheelbarrows of concrete. How much sand will you need to make 248 cubic feet of concrete?
General
2 months ago
Timothy leaves home for skedunk 400 miles away. after 2 hours, he has to reduce his speed by 20 mph due to rain. if he takes 1 hour for lunch and gas, and reaches skedunk 9 hours after he left home, what was his initial speed?
General
2 months ago
Working together, merry and pippin can build a wall in 4.5 hours. if merry can do the job alone in 6 hours working alone, how long would it take pippin to build the wall when working alone?
General
2 months ago
The table shows the price for different numbers of chocolate boxes: Number of Chocolate Boxes Price (in dollars) 2 10 3 15 4 20 5 25 Does this table of numbers represent a proportional relationship? (1 point) Yes, because 5 times the price is the number of boxes No, because the price of 4 boxes should be $40 No, because the price of 3 boxes should be $11 Yes, because the price is 5 times the number of boxes PLEASE HELP ME !!!!!!!! PLEASE!!!!!!!
General
2 months ago
The length of a rectangle is 2 more than twice the width. find the dimensions of the rectangle if the perimeter is 76. if x represents the width of the rectangle, then which expression represents the perimeter? 2x + 2 4x + 4 6x + 4
General
2 months ago
What divisor is represented by the synthetic division below?
General
2 months ago
he cost of printing a catalog of the products that your company distributes is a flat rate of $52 plus $0.20 per copy. Let C represent the total cost of printing and x represent the number of copies. Write in symbolic form an equation that will relate C and x. Organize the data into a table of values. Begin with 500 copies, increase by increments of 500, and end with 2500
General
2 months ago
The composite figure is made up of two congruent rectangular pyramids joined at their bases. What is the total volume of the composite figure? units3
General
2 months ago
(05.03 MC)Ivy has purchased 150 songs from the internet. She plans to download an equal number of songs on her music player each week for 5 weeks. The graph shows the number of songs left to download, y, for a certain number of weeks, x:A graph titled Song Downloading shows Number of Weeks on x-axis and Number of Songs Left to Download on y-axis. The x-axis scale is shown from 0 to 5 at increments of 1, and the y-axis scale is shown from 0 to 210 at increments of 30. A straight line joins the ordered pairs 0, 150 and 1, 120 and 2, 90 and 3, 60 and 4, 30 and 5, 0.Part A: What is the rate of change and initial value of the function represented by the graph, and what do they represent in this scenario? Show your work to find the rate of change and initial value. (6 points) Part B: Write an equation in slope-intercept form to model the relationship between x and y.
General
2 months ago
At a restaurant, servers keep 75% of the tips from each table, and support staff keeps 25%. A $20 tip is left at a table. How much of the tip does the server keep? $5$5$10$15$20
General
2 months ago
A confectioner has 300 pounds of a chocolate that is 1 part cocoa butter to 7 parts caramel. How much chocolate that is 1 part cocoa butter to 15 parts caramel should be combined with the first in order to create a new chocolate that is 1 part cocoa butter to 9 parts caramel?
General
2 months ago
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