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un cuerpo es lanzado verticalmente hacia arriba .Si alcanza una altura de 100 m,¿Cual fue el modulo de la velocidad en (m/s) con que se lanzo el cuerpo?
General
3 months ago
A diagnostic test for a disease is such that it (correctly) detects the disease in 90% of the individuals who actually have the disease. Also, if a person does not have the disease, the test will report that he or she does not have it with probability 0.9. Only 2% of the population has the disease in question. If a person is chosen at random from the population and the diagnostic test indicates that she has the disease, what is the conditional probability that she does, in fact, have the disease? (Round your answer to four decimal places.)
General
3 months ago
Solve x - (- 5) = 32. Show your work and keep your equation balanced.
General
3 months ago
a) In how many ways can 6 people be lined up to get on a bus? (b) If 4 specific persons, among 6, insist on following each other, how many ways are possible? (c) If 2 specific persons, among 6, refuse to follow each other, how many ways are possible?
General
3 months ago
The number 0.003 written in scientific notation is 3 X 10 to the Negative 3 Power. Why is the exponent negative?
General
3 months ago
An auto insurance company has 10,000 policyholders. Each policy is defined as: young or old male or female; and married or single. Of these policyholders, 3000 are young, 4600 are male, and 7000 are married. The policyholders can also be classified as 1320 young males, 3010 married males, and 1400 young married persons. Finally, 600 of the policyholders are young married males. How many of the company's policyholders are young, female, and single?
General
3 months ago
You need to hire a catering company to serve meals to guests at a wedding reception. Company A charges $500 plus $20 per guest. Company B charges $800 plus $16 per guest. For how many guests are the total costs the same at both companies?Set up the Cost equations for both companies where g is the number of guests:C(a) = 20g + 500C(b) = 16g + 800
General
3 months ago
While bear markets certainly hurt institutional investors, they are potentially devastating for individual investors, whose nest eggs - in many cases representing the sole source of retirement funds - can plummet or even vanish entirely.A. they are potentially devastating for individual investors, whoseB. they can potentially devastate individual investors in that theirC. for individual investors they are potentially devastating, because theirD. for individual investors, it is potentially devastating in that theirE. it can potentially devastate individual investors, whose
General
3 months ago
By cutting away identical squares from each corner of a rectangular piece of cardboard and folding up the resulting flaps, an open box can be made. If the cardboard is 18 in. long and 12 in. wide and the square cutaways have dimensions of x in. by x in., find a function giving the volume V(x) of the resulting box.
General
3 months ago
Find the three angles of the triangle formed using the position vectors i hat − j 4k and i hat 2j 3k and the line segment connecting their endpoints. Give your answers in degrees to two decimal places. (Enter your answers as a comma-separated list with no degree symbols.)
General
3 months ago
Clara works for a marketing company and is designing packing for a new product. Theproduct can come in various sizes. Clara has determined that the size of the packaging can beFound using the function, p(b) = (b)(2b + 1)(b + 5), where b is the shortest measurement of theProduct. After some research, Clara determined that packaging with 20, 500 cm^3 will be themost appealing to customers.What are the dimensions of the package?
General
3 months ago
You want to paint the walls of your bedroom. Two walls measure 12 ft by 7 ft, and the other two walls measure 13 ft by 7 ft. The paint you wish to purchase must be purchased in one-gallon cans and costs $17 per gallon. Each gallon will cover 400 ft2 of wall. Find the total amount you will spend on paint.
General
3 months ago
When choosing a bank, why might ATM availability be valuable to someone who values convenience over cost?a.ATMs allow you to conduct bank transactions without going to the bank, so a bank without ATMs will require you to come in to the main office for everything.b.Checks are deposited in ATMs, so some retailers will not accept checks from a bank without ATM service.c.A greater availability of ATMs may make it easier to do bank transactions. Someone may choose this availability over a higher savings interest rate.d.ATM cards double as debit cards, so a bank without ATM service cannot issue debit cards
General
3 months ago
What if tanisha needs 40 bowl’s for the picnic? Explain how to write an equation with a letter for an unknown factor to find the number of packs she should buy
General
3 months ago
On a morning of a day when the sun will pass directly overhead, the shadow of a 60-ft building on level ground is 25 ft long. At the moment in question, the angle theta the sun makes with the ground is increasing at the rate of 0.24 degrees/min. At what rate is the shadow decreasing? Remember to use radians in your calculations. Express your answer in inches per minute.
General
3 months ago
One half percent of the population has a particular disease. A test is developed for the disease. The test gives a false positive 3% of the time and a false negative 2% of the time. (a). What is the probability that Joe (a random person) tests positive? (b). Joe just got the bad news that the test came back positive; what is the probability that Joe has the disease?
General
3 months ago
John's House of Pancakes uses a weighted moving average method to forecast pancake sales. It assigns a weight of 5 to the previous month's demand, 3 to demand two months ago, and 1 to demand three months ago. If sales amounted to 3,000 pancakes in May, 2,200 pancakes in June, and 1,000 pancakes in July, what should be the forecast for August? A. 3,767 B. 1,622 C. 2,067 D. 2,400 E. 2,511
General
3 months ago
Using the formula, find the coefficient of skewness for each distribution, and describe the shape of the distribution. a. Mean 10, median 8, standard deviation 3. b. Mean 42, median 45, standard deviation 4. c. Mean 18.6, median 18.6, standard deviation 1.5. d. Mean 98, median 97.6, standard deviation 4.
General
3 months ago
there are 8 woman running in a race. how many different ways could, first, second, and third place finishers occur?
General
3 months ago
A construction company will produce identical, metal supports in the shape of a right triangle with legs of length 3 feet and 4 feet, the three sides of each triangular support are to be constructed of metal stripping, if the company has a total of 6,000 feet of metal stripping and there is no waste of material in the construction of the supports, what is the greatest possible number of supports that the company can produce?
General
3 months ago
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