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identify the sequence as arithmetic or geometric, and write a recursive formula for the sequence. Besure to identify your starting valueThe local football team won the championship several years ago, and since then, ticket prices have been increasing$20 per year. The year they won the championship, tickets were $50. Write a recursive formula for a sequencethat models ticket prices. Is the sequence arithmetic or geometric?
General
3 months ago
A 2017 poll found that 56% of college students were very confident that their major will lead to a good job. If 15 college students are chosen at random, what's the probability that 13 of them were very confident their major would lead to a good job? Let a success be a college student being very confident their major would lead to a good job.
General
3 months ago
A merchant doing business in Lucca doubled his money there and then spent 12 denarii. On leaving, he went to Florence, where he also doubled his money and spent 12 denarii. Returning home to Pisa, he there doubled his money and again spent 12 denarii, nothing remaining. How much did he have in the beginning?
General
3 months ago
Find an explicit form f(n) of the arithmetic sequence where the 2nd term is 25 and the sum of the 3rd term and 4thterm is 86.
General
3 months ago
3 + x, 9 + 3x, 13 + 4x, ... is an arithmetic sequence for some real number x. b. Find the 10th term of the sequence.
General
3 months ago
Let Dn denote the number of ways to cover the squares of a 2-by-n board using plain dominos. Then it is easy to see that D1 = 1, D2= 2, and D3 = 3. Compute a few more values of Dn and guess an expression for the value of Dn and use induction to prove you are right.
General
3 months ago
The Zagat Restaurant Survey provides food, decor, and service ratings for some of the top restaurants across the United States. For 15 restaurants located in Boston, the average price of a dinner, including one drink and tip, was $48.60. You are leaving for a business trip to Boston and will eat dinner at three of these restaurants. Your company will reimburse you for a maximum of $50 per dinner. Business associates familiar with these restaurants have told you that the meal cost at one-third of these restaurants will exceed $50. Suppose that you randomly select three of these restaurants for dinner.What is the probability that none of the meals will exceed the cost covered by your company?What is the probability that one of the meals will exceed the cost covered by your company?What is the probability that two of the meals will exceed the cost covered by your company?What is the probability that all three of the meals will exceed the cost covered by your company?
General
3 months ago
find an equation of the line that pases (8,17) and is perpendicular to the line x+2y=2
General
3 months ago
A school chorus has 90 sixth-grade students and 75/7 grade students the music director wants to make groups of performers with the same combination of sixth and seventh grade students in each group she wants to form as many groups as possible what is the largest number of groups that could be formed explain or show your reasoning
General
3 months ago
Find the common ratio and an explicit form in each of the following geometric sequences.c.4 / 3,2 / 3,1 / 3,1 / 6 , ...
General
3 months ago
The graph of function f is shown on the coordinate plane. Graph the line representing function g, if g is defined as shown below. G(x)=1/2f(x+2)
General
3 months ago
A group consists of seven men and seven women. Four people are selected to attend a conference.a. In how many ways can four people be selected from this group of fourteen?b. In how many ways can four women be selected from the seven women?c. Find the probability that the selected group will consist of all women.a. The number of ways to select four people from the group of fourteen is nothing.b. The number of ways to select four women from the group of seven women is nothing.c. The probability is nothing.(Type an integer or a simplified fraction.)
General
3 months ago
a bag contains 10 white gold balls and 6 striped golf balls. a golfer wants to add 112 golf balls to the bag. he wants the ratio of white to striped golf balls to remain the same how many of each should he add>
General
3 months ago
Use the drop-down menus to complete the statements about the function p(x) = x(x - 1)+1.The value of a is .The value of b isThe value of cisThe value of the discriminant isThe quadratic function will intersect the x-axis times.
General
3 months ago
The label on 1-gallon can of paint states that the amount of paint in the can Is sufficient to paint at least 400 square feet (on average). Suppose the amount of coverage Is approximately normally distributed, and the overall standard deviation of the amount of coverage is 27 square feet. A random sample of 16 cans yields the sample mean amount of coverage of 390 square feet. Test the claim on the label at a 5% level of significance. Enter the test statistic in the first box and your decision in the second box (0 if you reject and 1 if you don't (i.e if you accept) Find the p value of the test in part (a)
General
3 months ago
A cable network offers members a Basic plan for $7.31 per month. For $3.00 more per month, the cable network offers a Standard plan, which includes HD movies. During one week, 280 new subscribers paid a total of $2286.80 for their plans. How many Basic plans and how many Standard plans were purchased?
General
3 months ago
Toys for boys and for girls are donated to a benefit event by two groups. The Lakeville Do-Gooders donated 5 toys for boys and 7 for girls. The Southside Champions Club donated 6 toys for boys and 5 for girls. The master of ceremonies pulls the first toy out of a bin and it’s a toy for a boy. Find the probability that it was donated by the Do-Gooders.
General
3 months ago
Consider the following binomial experiment. The probability that a green jelly bean is chosen at random from a large package of jelly beans is 2/5. If Sally chooses 13 jelly beans, what is the probability that at most two will be green jelly beans?a) 0.0349b) 0.3100c) 0.0579d) 0.9421e) 0.5000
General
3 months ago
Beth read a total of 12 books over 7 months.If Beth has read 84 books so far, how many months has she been with her book club?Solve using unit rates.
General
3 months ago
Let V denote the set of ordered triples (x, y, z) and define addition in V as inR3.For each of the following definitions of scalar multiplication, decide whether V is a vector space.(a) a(x,y,z)=(ax,y,az)(b) a(x,y,z)=(ax,0,az)(c) a(x,y,z)=(0,0,0)(d) a(x,y,z)=(2ax,2ay,2az)
General
3 months ago
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