treezstreazurs
Calculators
General
Algebra
Geometry
Coordinate-geometry
Statistics
Calculus
Qna
Math
treezstreazurs
treezstreazurs
Home
General
Algebra
Geometry
Coordinate-geometry
Statistics
Calculus
Qna
Math
MATH SOLVE
Home
General
Triangle ABC is similar to triangle XYZ. The length AB is 10. The length BC is 7. Find the length XY if the length YZ is 14
General
4 months ago
Given: Q = 7m + 3n, R = 11 - 2m, S = n + 5, and T = -m - 3n + 8. Simplify R - S + T. m - 2n - 2-m + 2n - 23m - 4n + 14-3m - 4n + 14
General
4 months ago
Java traveled 135 miles in 3 hours. Andrew traveled 228 miles in 6hours. Both jada and Andrew traveled at a constant speed. 1. How far did jada travel in 1 hr? 2. How fard did Andre travel in hour 3. Wgo traveled faster? Explain or show your reasoning
General
4 months ago
The hiking trail through glacier gorge is 9 3/5 miles round trip. If you hike 1 3/5 miles an hour how many hours will the round trip take carnegie math
General
4 months ago
The flower box is 5 ft long, and its ends are in the shape of a trapezoid. The upper and lower bases of the trapezoid measure 18 in. and 10 in., respectively, and the height is 9 in. Find the volume of the flower box.
General
4 months ago
Use the following results from a test for marijuana use, which is provided by a certain drug testing company. Among 148 subjects with positive test results, there are 28 false positive results; among 156 negative results, there are 4 false negative results. If one of the test subjects is randomly selected, find the probability that the subject tested negative or did not use marijuana. (Hint: Con
General
4 months ago
5. A factory produces lemon-scented widgets. You know that each unit is cheaper, the moreyou produce. But you also know that costs will eventually go up if you make too manywidgets, due to the costs of storage of the overstock. The guy in accounting says that yourcost for producing.x thousands of units a day can be approximated by the formula ( = 0.04x2 –8.504x + 25302. Find the daily production level that will minimize your costs.
General
4 months ago
Solve each of the following inequalities for x. a. 3 + x > 8 b. x + 12 < 10 c. x – 23 > 15 d. x – 49 <6
General
4 months ago
suppose a 5 minute overseas call costs $5.91and a 10 minute call costs $10.86. The cost of the call and the length of the call are related. The cost of each minute is constant.
General
4 months ago
Find 3 consecutive even integers such that the sum of twice the smallest and three times the largest is 42
General
4 months ago
If the farmer has 250 feet of fencing to create a rectangular pen, define a function f that expresses the area of the field (measured in square feet) as a function of the width of the side of the field w (measured in feet). What is the maximum area possible?
General
4 months ago
please solve.this question
General
4 months ago
If a particular set of data is approximately normally distributed, we would find that approximately A) 2 of every 3 observations would fall between ±1 standard deviation around the mean. B) 4 of every 5 observations would fall between ±1.28 standard deviations around the mean. C) 19 of every 20 observations would fall between ±2 standard deviations around the mean. D) All of the above.
General
4 months ago
One positive number is 8 more than twice another. If the product is 731
General
4 months ago
A restaurant offers the following limited lunch menu. Main Courses: Beef, Pork Roast, Duck, Quiche, Vegetables Corn, Green Beans. Beverages: Coffee, Tea, Milk. Desserts: Ice Cream, Brownies. If one item is selected from each of the four groups, in how many ways can a meal be ordered?
General
4 months ago
Get the general term for the sequence being your t3 = 11 and the t20 = 244.2
General
4 months ago
Given below are the number of successes and sample size for a simple random sample from a population. xequals6, nequals50, 90% level a. Determine the sample proportion. b. Decide whether using the one-proportion z-interval procedure is appropriate. c. If appropriate, use the one-proportion z-interval procedure to find the confidence interval at the specified confidence level. d. If appropriate, find the margin of error for the estimate of p and express the confidence interval in terms of the sample proportion and the margin of error.
General
4 months ago
How would you describe the relationship between the real zeros and x-intercepts of the function y=log4(x-2)
General
4 months ago
A study was conducted in order to estimate ?, the mean number of weekly hours that U.S. adults use computers at home. Suppose a random sample of 81 U.S. adults gives a mean weekly computer usage time of 8.5 hours and that from prior studies, the population standard deviation is assumed to be ? = 3.6 hours.Based on this information, what would be the point estimate for ??(a) 81(b) 8.5(c) 3.6(d) None of the above.We are 95% confident that the mean number of weekly hours that U.S. adults use computers at home is:(a) between 8.1 and 8.9.(b) between 7.8 and 9.2.(c) between 7.7 and 9.3.(d) between 7.5 and 9.5.(e) between 7.3 and 9.7.Which of the following will provide a more informative (i.e., narrower) confidence interval than the one in problem 3?(a) Using a sample of size 400 (instead of 81).(b) Using a sample of size 36 (instead of 81).(c) Using a different sample of size 81.(d) Using a 90% level of confidence (instead of 95%).(e) Using a 99% level of confidence (instead of 95%).(f) Both (a) and (d) are correct.(g) Both (a) and (e) are correct.How large a sample of U.S. adults is needed in order to estimate ? with a 95% confidence interval of length 1.2 hours?(a) 6(b) 12(c) 20(d) 36(e) 144
General
4 months ago
CHAPTER SUMMARY647Using x skilled and y anskilled workers, a manufacturer can produce Q(x, y) = 60x^1/3y^2/3 units per day.Currently the manufacturer employs 10 skilledworkers and 40 unskilled workers and is planningto hire 1 additional skilled worker. Use calculus toestimate the corresponding change that themanufacturer should make in the level of unskilledlabor so that the total output will remain theER SUMMARYsame.
General
4 months ago
Previous
1
2
3
Next