An amusement park sells adult tickets and children’s tickets, with adults tickets costing $5 and children’s tickets costing $3. If Ed bought 15 tickets and spent a total of $57, how many children’s tickets did he buy? 3 5 6 9 Question solved general 7 months ago 7148
There is a 70% chance that a person eats dinner, a 50% chance a person eats dessert and a 35% chance the person will eat dinner and dessert. Which of the following is true?A. Eating dinner and eating dessert are dependent events because P(dinner)*P(dessert)=0.7*0.5=0.35 which is equal to P(dinner and dessert)=0.35.B. Eating dinner and eating dessert are independent events becauseP(dinner)-P(dessert)=0.7-0.5=0.2 which is less than P(dinner and dessert)=0.35.C. Eating dinner and eating dessert are dependent events because P(dinner)-P(dessert)=0.7-0.5=0.2 which is less than P(dinnerand dessert)=0.35.D. Eating dinner and eating dessert are independent events because P(dinner)*P(dessert)=0.7*0.5=0.35 which is equal to P(dinnerand dessert)=0.35. Question solved general 7 months ago 3747
In the first round of a golf tournament there were 2 eagles, 16 birdies, 39 pars, 16 bogies, and 8 double bogies on the 18th hole. if a player is selected at random, what is the probability that he had a birdie on the 18th hole during the first round Question solved general 7 months ago 3113
A truck's gas tank holds 50 gallons of gas. if one gallon takes 30 seconds to pump, how many minutes will it take to fill the empty tank? Question solved general 7 months ago 8638
The function graphed models the profits, P(c), in thousands of dollars a store earns as a function of the number of clerks, c, working that day.Which statements are true based on the model?Select each correct answer.A) The store earns about $19,500 in profits on its best days.B) The store loses money when 20 or more clerks are working.C) The store earns profits when no clerks are working.D) Maximum profits are earned when there are 19 clerks working.E) Maximum profits are earned when there are 10 clerks working. Question solved general 7 months ago 9102
2 arithmetic sequences and series find the indicated term of each arithmetic sequence. 1. find the sixtieth term of the arithmetic sequence if a1 = 418 and d = 12. 2. find a23 in the sequence, –18, –34, –50, –66, .... write an equation for the nth term of each arithmetic sequence. 3. 45, 30, 15, 0, ... 4. –87, –73, –59, –45, ... find the sum of each arithmetic series. 5. 5 + 7 + 9 + 11 + ... + 27 6. –4 + 1 + 6 + 11 + ... + 91 7. 13 + 20 + 27 + ... + 272 8. 89 + 86 + 83 + 80 + ... + 20 9. ∑ (1 − 2n) 4 n=1 10. ∑ (5 + 3j) 6 j=1 11. ∑ (9 − 4n) 5 n=1 12. ∑ (2k + 1) 10 k=4 13. ∑ (5n − 10) 8 n=3 14. ∑ (4 − 4n) 101 n=1 find the first three terms of each arithmetic series described. 15. a1 = 14, an = –85, sn = –1207 16. a1 = 1, an = 19, sn = 100 17. n = 16, an = 15, sn = –120 18. n = 15, an = 54 5 , sn = 45 name _____________________________________________ date_____________________________ period _____________ 19. stacking a health club rolls its towels and stacks them in layers on a shelf. each layer of towels has one less towel than the layer below it. if there are 20 towels on the bottom layer and one towel on the top layer, how many towels are stacked on the shelf? 20. windows a side of an apartment building is shaped like a steep staircase. the windows are arranged in columns. the first column has 2 windows, the next has 4, then 6, and so on. how many windows are on the side of the apartment building if it has 15 columns? 21. training more than 380,000 people run in u.s. marathons each year. matthew is training to run a marathon. he runs 20 miles his first week of training. each week, he increases the number of miles he runs by 4 miles. how many total miles did he run in 8 weeks of training? Question solved general 7 months ago 5434
A cell culture contains 6 thousand cells, and is growing at a rate of r ( t ) = 11 e 0.23 t r(t)=11e0.23t thousand cells per hour. find the total cell count after 3 hours. give your answer accurate to at least 2 decimal places. Question solved general 7 months ago 9433
A new baby is born every .08 seconds. how many babies are born in two hours? Question solved general 7 months ago 7413
A pizza parlor offers mushrooms, tomatoes, and sausages as toppings for the plain cheese base. how many different types of pizzas can be made Question solved general 7 months ago 6448
Determine whether these lines are parallel, perpendicular, or neither. parallel perpendicular neither nextreset Question solved general 7 months ago 4972
To find the volume of a pyramid you use the formula v=1/3bh. which equation solves this formula for b Question solved general 7 months ago 5821
Which is the equation of an ellipse centered at the origin with vertices (8,0) and (-8,0) and a minor axis length of 8? Question solved general 7 months ago 9751
F(x) =(x+3)2−1 G(x) =−2x2+8x+3 H (t) =−16t2+28t Part A: What are the x- and y-intercepts of the graph of the function f(x)? Identify the coordinates of any maxima or minima of the function. Explain your answers. Part B: Write the function g(x) in the form y=a(x−h)2+k . Write the equation for the line of symmetry for the graph of g(x). Show all your work and explain your answer. Part C: The function h(t) gives the approximate height, in feet, of a dolphin's jump out of water, where t represents the time, in seconds. What is the total length of time, in seconds, it took the dolphin to complete one jump? Show your work. Question solved general 7 months ago 1364
Sales for a company were 3 million dollars more the second year than the first, and sales for the third year were doubled the sales for the second year. If sales for the third year were 26 million dollars, what were sales, in millions of dollars, for the first year? A) 6 B) 7 C) 10 D) 12 Question solved general 7 months ago 8975
An experiment consists of drawing a marble out of a bag, observing the color, and then placing it back in the bag. Suppose the experiment is repeated 75 times, with the following results: red 38 blue 23 green 11 yellow 3 What is the probability of drawing two yellow marbles in a row Question solved general 7 months ago 5096
Which relationships would most likely be causal? Check all that apply. A.) a positive correlation between time spent exercising and the number of calories burned B.) a negative correlation between temperature and coat sales C.)a positive correlation between time spent practicing free throws and free throw percentage D.)a positive correlation between time spent on the phone with friends and the number of friends E.) a negative correlation between temperature and the number of speeding tickets Question solved general 7 months ago 4865
What additional information could be used to prove ΔEFG ΔE'F'G' using AAS? Check all that apply. EG = 12 and E'G' = 12 FG = 15 and F'G' = 15 EF = 10 and E'F'= 12 m∠G = 42° and m∠G' = 42° EG ≅ E'G Question solved general 7 months ago 2815
Last year, your store had total sales of $190,000. Because of a downturn in the economy, you expect sales to decrease by 3% this year. What are your planned sales for next year? Question solved general 7 months ago 6931
hey there ! can you please help me out on this question posted picture Question solved general 7 months ago 7809
The admission fee for a charity event is $7 for children and $10 for adults. The event was attended by 700 people, and the total amount collected in admissions was $6,400.There were _children and _adults at the show. Question solved general 7 months ago 3303