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MATH SOLVE
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he following data represent the times in minutes required for 18 co-workers to commute to work. 48 42 31 29 41 22 38 38 21 39 22 48 22 12 34 32 23 28 Determine the leaves for the given data points in the range 20 to 29 for this stem-and-leaf plot. Answer Selecting a stem will display the leaves necessary to complete the answer. Not all boxes may be used.
General
4 months ago
An automobile manufacturer claims that its car has a 35.935.9 miles/gallon (MPG) rating. An independent testing firm has been contracted to test the MPG for this car since it is believed that the car has an incorrect manufacturer's MPG rating. After testing 220220 cars, they found a mean MPG of 35.635.6. Assume the standard deviation is known to be 2.22.2. A level of significance of 0.020.02 will be used. Make a decision to reject or fail to reject the null hypothesis.
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4 months ago
Life expectancies in the United States are always rising because of advances in health care, increased education, and other factors. The rate of change (measured at the end of each year) of life expectancies for women in the United States between 1970 and 2010 can be modeled by f(t) = 0.0004t2 − 0.022t + 0.36 years per year where t is the number of years since 1970. Note: f is measured in years (life expectancy) per year (chronological)Between 1970 and 2010, when was the life expectancy for women growing least rapidly?
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4 months ago
An assembly consists of two mechanical components. Suppose that the probabilities that the first and second components meet specifications are 0.84 and 0.86. Assume that the components are independent. Determine the probability mass function of the number of components in the assembly that meet specifications. X = number of components that meet specifications. Round your answers to four decimal places (e.g. 98.7654).
General
4 months ago
About how many more inches of rain did Asheville get than Wichita? About how many more days did it rain in Asheville than Wichita? CITY INCHES DAYS Asheville 47.71 124 Wichita 28.61 85
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4 months ago
Hey there! Can you help with Math assignment? A cone has a radius of 3 and a height given by the expression 2a. Which expression represents the volume of the cone?A. 2aπ units³B. 4a2π units³C. 6aπ units³D.24aπ units³NOTE: ⇒ EXPLAIN YOUR ANSWER.⇒ Answers choices are given.⇒ Full explanation required.⇒ No spam answers, please!⇒ No plagiarism (copy & paste answers from other sites.)⇒ Please show your work!Thanks!-Charlie
General
4 months ago
Please help, I'm running out of points.Solve for x: −6 < x − 1 < 9 5 < x < 10 −5 < x < 10 −5 > x > 10 5 > x > −10
General
4 months ago
The figure shows square KLMN. Which of the following conditions satisfy the criteria for squares?Square KLMN with diagonals LN and KM segment LK is congruent to segment LN segment LM is parallel to segment LK segment LM is parallel to segment LK segment LM is parallel to segment KN
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4 months ago
6. All angles in the figure below are right angles. What is the area of the figure? (4 point)141S2836
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4 months ago
Endpoints of segment MN have coordinates (0, −3), (−2, −4). Endpoints of segment AB have coordinates (2, 5), (4, k). What value of k makes these segments parallel?
General
4 months ago
How many computers must the AB Computer Company sell to break even? Let x be the number of computers.Cost Function: C (x) = 145 + 1/4xRevenue Function: R (x) = 1.5x
General
4 months ago
Circle S is shown. Line segment R T is a diameter. The length of S T is 4. Sector R S T is shaded. The measure of central angle RST is radians. What is the area of the shaded sector? 4Pi units squared 8Pi units squared 16Pi units squared 20Pi units squared
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4 months ago
How many computers must the AB Computer Company sell to break even? Let x be the number of computers.Cost Function:c(x)=145+1/4xRevenue Function: r(x)=15xEnter in the number of computers only.
General
4 months ago
Some kids are selling lemonade for $1.50 per cup at a highschool baseball game. They spent $14 on all of the itemsneeded for the lemonade stand (cups, lemonade, tableoth, sign, etc) Create a function that would representprofit based on the number of cups of lemonade
General
4 months ago
A pharmaceutical company receives large shipments of aspirin tablets. The acceptance sampling plan is to randomly select and test 13 tablets, then accept the whole batch if there is only one or none that doesn't meet the required specifications. If a particular shipment of thousands of aspirin tablets actually has a 6% rate of defects, what is the probability that this whole shipment will be accepted?
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4 months ago
Dylan went to the grocery store and purchased cans of soup and frozen dinners. Eachcan of soup has 250 mg of sodium and each frozen dinner has 500 mg of sodium.Dylan purchased 3 times as many cans of soup as frozen dinners and they allcollectively contain 2500 mg of sodium. Determine the number of cans of souppurchased and the number of frozen dinners purchased.
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4 months ago
How many computers must the AB Computer Company sell to break even? Let x be the number of computers. Cost Function: C (x) - 145 + 1/4x Revenue Function: R (x) = 1.5xEnter in the number of computers only.
General
4 months ago
A map has a scale of 3 cm : 20 km. Which statements are true? Choose all that apply. A Two cities that are 7.5 cm apart on the map are actually 50 km apart. B Two cities that are 4 cm apart on the map are actually 30 km apart. C Two cities that are actually 45 km apart are 6.5 cm apart on the map. D Two cities that are actually 66 km apart are 9.9 cm apart on the map. Answer key
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4 months ago
From 1900 to 2000 the average temperature in July in Atlanta was LaTeX: 90^\circ F90 ∘ F. A researcher believes due to Global Warming that the average temperature is increasing in Atlanta. What could be the null hypothesis?
General
4 months ago
How many more students were enrolled at the University of Michigan in 195019501950 than in 190019001900? Express your answer in scientific notation. Year Approximate enrollment at the University of Michigan 185018501850 7.2 \cdot 10^17.2⋅10 1 7, point, 2, dot, 10, start superscript, 1, end superscript 190019001900 3.7 \cdot 10^33.7⋅10 3 3, point, 7, dot, 10, cubed 195019501950 2.7 \cdot 10^42.7⋅10 4 2, point, 7, dot, 10, start superscript, 4, end superscript 200020002000 3.8 \cdot 10^43.8⋅10 4 3, point, 8, dot, 10, start superscript, 4, end superscript
General
4 months ago
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