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MATH SOLVE
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A grocer want to mix two kinds of coffee. One kind sells for $1.15 per pound, and the other sell for $1.40 per pound. He wants to mix a total of 30 pounds and sell for $1.35 per pound. How many pounds of each kind should he use in the new mix? Rozier want to mix two kinds of coffee. One kind sell for $1.15 per pound, and the other sell for $1.40 per pound. He wants to mix a total of 30 pounds and sell for $1.35 per pound. How many pounds of each kind should he use in the new mix
General
4 months ago
Find the equation for the exponential function f (x) = b .aˣ that passes through the points (0,6) and (1,11).
General
4 months ago
17. Which of the following is TRUE? ( 5 points) a. The mean tells us, roughly, how much the data deviate from the average. b. The mean is the more reliable measure of center because it is not affected by extreme values ( outliers) c. The Mean of Normal Distribution is related to the average of the data set. The Standard deviation is related to data variation. d. The standard deviation is calculated by adding the data values and dividing the total by the number of data values.
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4 months ago
michelle hong noticed that her gross pay per period increased by 2,800 when her employer changed from a bi weekly pay plan to a monthly pay plan. what is michelle’s annual salary?
General
4 months ago
points C,D, and E are collinear on CE, and CD:DE = 3/5. C is located at (1,8), D is located at (4,5), and E is located at (x,y). What are the values of x and y
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4 months ago
NEED HELP ASAP!The volume of the cube below is 1/8 to the power of twoWhat is the value of x? A. x = 1/8 B. x = 1/4 C. x = 1/2 D. x = 8
General
4 months ago
Going into the final exam, which will count as two tests, Brooke has test scores of 79 comma 82 comma 70 comma 63 comma and 94. What score does Brooke need on the final in order to have an average score of 80?
General
4 months ago
A marketing demographic survey is undertaken to determine the market potential for a new product. One of the questions asked is: What type of residence do you live in? Respondents are offered several possible answers including: house, apartment, or condominiums. In order to computerize the survey answers, the responses are coded as a 1 if the answer is "house", a 2 if the answer is an "apartment", and a 3 if the answer is a "condominium". These numbers, 1, 2, and 3, are examples of which level of data?
General
4 months ago
HELP PLSSSS MATH IS NOT MY THING :(Picture included:)
General
4 months ago
2. Elena finds that the area of a house on a scale drawing is 25 square inches. Theactual area of the house is 2,025 square feet. What is the scale of the drawing?
General
4 months ago
A piece of cardboard is 1 meter by 1/21/2 meter. A square is to be cut from each corner and the sides folded up to make an open-top box. What are the dimensions of the box with maximum possible volume?
General
4 months ago
In a large metropolitan area, 20% of the commuters currently use the public transportation system, whereas the remaining 80% commute via automobile. The city has recently revitalized and expanded its public transportation system. It is expected that 6 months from now 40% of those who are now commuting to work via automobile will switch to public transportation, and 60% will continue to commute via automobile. At the same time, it is expected that 20% of those now using public transportation will commute via automobile and 80% will continue to use public transportation. (a) Construct the transition matrix for the Markov chain that describe:s the change in the mode of transportation used by these commuters (b) Find the initial distribution vector for this Markov chain. (c) What percentage of the commuters are expected to use public transportation 6 months from now? (Round your answer to the nearest percent.)
General
4 months ago
The angels of a triangle have a sum of 180°. The angles of a rectangle have a sum of 360°. The angels of a pentagon have a sum of 540°. Continue this pattern to find the sum of the angles of an octagon
General
4 months ago
A continuous random variable is uniformly distributed between 150 and 250. (a) What is the probability a randomly selected value will be greater than 230? (b) What is the probability a randomly selected value will be less than 170? (c) What is the probability a randomly selected value will be between 170 and 230?
General
4 months ago
Subtract. Write the difference in simplest form. (5n - 3) - (-2n + 7) 7n - 10 3n + 4 3n - 10 7n + 4Which of the following expressions is equivalent to 18m - 12?-3(-6m - 4)2(-9m + 6)-1(18m + 12)6(3m - 2)Which of the following expressions is in its simplest form?8m + 4n - 5mn + 715bd + 5 - 2b + 3d + 23xy + 6xy2 - 7 + 12xy35 - a2 - ab2 + ab - 2ab2Four friends are going to split the cost of a pizza. If p stands for the cost of the pizza, which of the following expressions could represent what each friend will pay?4pp - 4pp/4Tommy and his family drove home from his grandparent's house in three and a half hours. If they drove at an average rate of 48 miles per hour, which of the following formulas could be used to find how far away Tommy lives from his grandparents?d = rtt = d/rr = d/tTommy and his family drove home from his grandparent's house in three and a half hours. If they drove at an average rate of 48 miles per hour, about how far away does Tommy live from his grandparents?144 miles192 miles168 miles180 miles
General
4 months ago
The line represented by the equation y=−4x +2 intercepts the y-axis __________ the x-axis. Question 2 options: above below on with
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4 months ago
A rectangular tabletop has a length of 4 3/4 feet and an area 11 7/8 square. What is the width of the tabletop
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4 months ago
A riverboat can sail 28 mph in calm waters. Sailing with the Gulf Stream, the boat can sail 170 miles in the same amount of time as it takes to sail 110 miles against the Gulf Stream. Find the rate of the Gulf Stream.
General
4 months ago
A fair coin is tossed three times in succession. The set of equally likely outcomes is StartSet HHH comma HHT comma HTH comma THH comma HTT comma THT comma TTH comma TTT EndSet. Find the probability of getting exactly zero tails.
General
4 months ago
we saw two distributions for triathlon times:N(μ= 4313,σ=583) forMen, Ages 30 - 34andN(μ= 5261,σ= 807) for theWomen, Ages 25 - 29group. Times are listedin seconds. Use this information to compute each of the following: (a) The cutoff time for the fastest 5% of athletes in the men’s group, i.e. those who took the shortest 5%of time to finish. (b) The cutoff time for the slowest 10% of athletes in the women’s group.
General
4 months ago
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