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MATH SOLVE
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At the state fair 4 employees were paid $8.20 an hour to work at a corn-dog stand. They worked for 10 hours at regular pay and then for 3 hours at overtime pay for an extra $2.20 an hour. How much money did they earn in total?
General
2 months ago
One morning, Justin drove 3 hours before stopping to eat lunch at Chick-fil-A. After lunch, he increased his speed by 10 mph. If he completed a 530-mile trip in 8 hours of driving time, how fast did he drive in the morning?
General
2 months ago
1-3(x-5)=5x-12/2 solve this equation
General
2 months ago
Find the length of the leg x. Enter the exact value, not a decimal approximation.Preview
General
2 months ago
You have two circular flower beds, as shown. The sum of the areas of two flower beds is 136 pi square feet. Find the radius of each bed.
General
2 months ago
the distribution of scores on a recent test closely followed a normal distribution wotb a mean of 22 and a standard deviation of 4 points. what proportion of the stidents scored at least 25 points on this test? what is the 31st percentile of the distribution of test scores
General
2 months ago
Which of the following best describes the pattern in the diagram shownbelow?OA. As you move from right to left, the number of points in the starincreases by 1.OB. As you move from left to right, the number of points in the starincreases by 1.OC. As you move from left to right, the number of points in the starremains the sameOD. As you move from left to right, the number of points in the stardecreases by 1.
General
2 months ago
Triangle R T S is sitting on a horizontal line. Line S R extends through point Q to form exterior angle T R Q. Angle R T S is (25 x) degrees. Angle T S R is (57 + x) degrees. Exterior angle T R Q is (45 x) degrees. Find the value of x. x = 2 x = 3 x = 33 x = 52
General
2 months ago
In an editorial, the Poughkeepsie Journal printed this statement: "The median price minus the price exactly in between the highest and lowest minus..." Does this statement correctly describe the median? Why or why not? a) No. It describes the? mean, not the median. b) No. It describes the? midrange, not the median. c) No. It describes the? mode, not the median. d) Yes. It correctly describes the median.
General
2 months ago
Use the given information to find the coefficient of determination. A regression equation is obtained for a collection of paired data. It is found that the total variation is 20.711, the explained variation is 18.592, and the unexplained variation is 2.119. a) 1.114. b) 0.102. c) ) 0.898. d) 0.114.
General
2 months ago
The waiting time for customers at MacBurger Restaurants follows a normal distribution with a population standard deviation of 1 minute. At the Warren Road MacBurger, the quality assurance department sampled 50 customers and found that the mean waiting time was 2.75 minutes. At the .05 significance level, can we conclude that the mean waiting time is less than 3 minutes? (a) State the null hypothesis and the alternate hypothesis. (b) State the decision rule. (c) Compute the value of the test statistic. (d) What is your decision regarding H0? (e) What is the p-value? Interpret it.
General
2 months ago
In 2003 there were 1078 JC Penney stores and in 2007 there were 1067 stores.(a) Write a linear equation that gives the number of stores (S) in terms of of the year(1). Let 1=3 represent2003.(b) Use your equation to predict the number of stores for the year 2012 and 2014.(c) Are you answers reasonable?
General
2 months ago
A 12-inch candle is lit and steadily burns until it is burned out. As the burned length of the candle increases from 4 to 7.5 inches, the remaining length of the candle varies from inches to inches. Suppose b represents the burned length of the candle in inches (or the number of inches that have burned from the candle since it was lit). Write an expression in terms of b that represents the remaining length of the candle (in inches).
General
2 months ago
Spaceship Earth, a spherical attraction at Walt Disney World’s Epcot Center, has a diameter of 50 meters. Find the surface area of the structure.
General
2 months ago
The weight of a bag of golf balls varies directly as the number of golf balls in the bag. If a bag of 69 golf balls weighs 2,553 grams, how many golfballs are in a bag that weighs 1,110 grams?
General
2 months ago
The weight w of an object varies inversely as the square of the distance d from the center of the earth. At sea level (3978 mi from the center of the earth), an astronautweighs 115 lb. Find her weight when she is 271 mi above the surface of the earth and the spacecraft is not in motion.Her weight is lbs.(Round the answer to one decimal place.)
General
2 months ago
The sum of the two 5 digit numbers ABC10 + ABC12 is 123422. What is A + B + C?
General
2 months ago
7 1/9 = 2 4/5 +m what is M
General
2 months ago
A TV show host asks his viewers to visit his website and respond to an online poll.What type of sample is this?Choose 1 answer:Simple random sample®Stratifed random sample©Cluster random sample0None of the above
General
2 months ago
please help with this i will give 10 points
General
2 months ago
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