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GETS BRAINILIST!!!!!!What is the length of the line segment PQ on the coordinate grid? A fourquadrant coordinate grid from negative 50 to positive 50 in increments of 10 is drawn. Point P is plotted on the ordered pair negative 20, 10. Point Q is plotted on the ordered pair 10, 10. The points are connected by a line. 20 units 30 units 40 units 50 units
General
2 months ago
Tammy makes $ 7 per hour plus $4 for each item she sells, and lisa makes $10 per hour plus 3.00 for each item she sells. in an hour , how many items do they need to sell to make the same amount of money?show steps
General
2 months ago
Jon is looking into a $4,250 vacation package that is offered for 25% off. There is a 9% resort fee added on to the total. How much will the vacation cost Jon.
General
2 months ago
Your family goes to a restaurant for dinner. There are 7 people in your family. Some order the chiken dinner for $ 12 dollars and some order the steak dinner for $ 17 dollars. If the bill was $ 109 dollars, how many people ordered each dinner?
General
2 months ago
Pumps A, B and C operate at their respective constant rates. Pumps A and B, simultaneously, can fill a certain tank in 6/5 hours. Pump A and C, operating simultaneously, can fill the tank in 3/2 hours; abd pumps B and C, operating simultaneously, can fill the tank in 2 hours. How many hours does it take pumps A, B, and C, operating simultaneously, to fill the tank?(A) 1/3(B) 1/2(C) 2/3(D) 5/6(E) 1
General
2 months ago
If a time series plot exhibits a horizontal pattern, then a. the data fluctuates around the variable mean. b. it is evident that the time series is stationary. c. there is still not enough evidence to conclude that the time series is stationary. d. there is no relationship between time and the time ser
General
2 months ago
A random sample of 49 measurements from one population had a sample mean of 15, with sample standard deviation 5. An independent random sample of 64 measurements from a second population had a sample mean of 18, with sample standard deviation 6. Test the claim that the population means are different. Use level of significance 0.01
General
2 months ago
Two pennies, a nickel, and a dime are placed in a cup. You draw a first coin and then a second coin.a. Assuming you are sampling without replacement (i.e. you do NOT replace the first coin before taking the second), write the sample space of all ordered pairs of letters P, N, and D that represent the outcomes, and give the appropriate weights for each element of the sample space.b. What is the probability of getting 11 cents?
General
2 months ago
A study was conducted to examine whether the proportion of females was the same for five groups (Groups A, B, C, D, and E). How many degrees of freedom would the χ2 test statistic have when testing the hypothesis that the proportions in each group are all equal? a. 1 b. 4 c. 5 d. 0.20
General
2 months ago
% of U.S. adults think that political correctness is a problem in America today. You randomly select six U.S. adults and ask them whether they think that political correctness is a problem in America today. The random variable represents the number of U.S. adults who think that political correctness is a problem in America today. Answer the questions below. Find the mean of the binomial distribution (Round to the nearest tenth as needed) et Find the variance of the binomial distribution (Round to the nearest tenth as needed) e Find the standard deviation of the binomial distribution verl the ơrD(Round to the nearest tenth as needed) Interpret the results in the context of the real-life situation. Most samples of 6 adults would differ from the mean by no more than
General
2 months ago
Periodically, Merrill Lynch customers are asked to evaluate Merrill Lynch financial consultants and services (2000 Merrill Lynch Client Satisfaction Survey). Higher ratings on the client satisfaction survey indicate better service with 7 the maximum service rating. Independent samples of service ratings for two financial consultants are summarized here. Consultant A has 10 years of experience, whereas consultant B has 1 year of experience. Use = .05 and test to see whether the consultant with more experience has the higher population mean service rating.ConsultantA Consultant Bn1=16 n2 =10x1 =6.82 (with bar overx) x2 = 6.25(with bar over x)s1 =0.64 s2 = 0.75a.) State the null and alternative hypothesis.b.) compute the value of the test statistic.c.)What is the p-value?d.) What is your conclusion?
General
2 months ago
The cost to rent a jet ski is $80 per hour. in addition there also includes fee for a lesson on how to use the jet ski. Steve rented a jet ski for 3 hours and the total bill was $265. Write the equation for the total cost of renting a jet ski y for x hours.
General
2 months ago
How do we figure this out
General
2 months ago
if a number is subtracted from its square, the result is 132. find the number
General
2 months ago
41. Which of the following describes the graphrepresenting a direct variation?A. Always a straight lineB. Never crosses the y-axisC. Always a horizontal lineD. Never intersects the origin
General
2 months ago
If x = -10 and x + √7 - 7p = -3 solve for p
General
2 months ago
Seven out of every eight students surveyed owns a bike the difference between the numbers of students who own a bike and those who do not is 72 how many students were surveyed
General
2 months ago
Elimination using multiplication What is the best answer? 2x+y=0 5x+3y=2
General
2 months ago
d= number of dollarsn= number of ouncesDrag each table and equation to the unit rate it matches.
General
2 months ago
Your local pizza chain claims that the delivery time of their pizzas is normally distributed with a mean of 30 minutes and standard deviation of 10 minutes. Twenty of your friends in different locations order pizzas and the average delivery time is 42 minutes with standard deviation of 10 minutes. Compute a one-sample t statistic. Do you have a reason to disbelieve the chain’s claim?
General
2 months ago
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