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In a circle, a 225 degrees sector has area 490pi in2. What is the radius of the circle?
General
2 months ago
Bonnie can complete her paper route in 45 min. when her sister jean helps her it takes them 18 min to complete the route. how long would it take jean alone?
General
2 months ago
Haley measured the distances between her house and two of her friends' houses. ellen's house is 1.41 miles away from haley's, and dirk's house is 6,547 feet away from haley's. whose house is farther away from haley's, and how many feet farther away is it, to the nearest whole foot?
General
2 months ago
Now evaluate f(x) = 2x4 - 4x3-11x2+3x-6 for x=-2 f (-2) =
General
2 months ago
Urgent!! Need an answer ASAP! Professor Scott has 84 students in his college mathematics lecture class. The scores on the midterm exam are normally distributed with a mean of 72.3 and a standard deviation of 8.9. How many students in the class can be expected to receive a score between 63.4 and 81.2? Express the answer to the nearest student.
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2 months ago
Radical Expressions and Data Analysis Unit PortfolioALGEBRA 1 BDirections: Complete each of the tasks outlined below. Task 1For 7 days keep track of the number of pieces of mail you receive at your home.a. Put your data into a frequency table having intervals of 0–4, 5–9, 10–14, and 15–19.b. Use the frequency table to create a histogram of the data.c. Doyounoticeanypatternsinthehistogram?Task 2a. Pick 9 different dog breeds and find their average weights. List each breed and weight. Find the mean, median, and mode of the data. Which measure of central tendency best describes the data? Explain your answer.b. How much would a 10th dog have to weight for the average weight in part (a) to be 250 pounds? Explain how you determined your answer.Task 3Pick a city in Maryland and determine the average high temperatures for each month. Record this in a table.a. Create a box-and-whisker plot for the data.b. What is the median temperature?c. 75%ofthetemperaturesarebelowwhatvalue?Howdoyouknow? d. 75% of the temperatures are above what value? How do you know? e. What conclusions can you draw about the temperature in Maryland?
General
2 months ago
What kinds of symmetry do these letters and numbers have? Choosing best answer? What kind(s) of symmetry do these have? F 3 E Point, line, plane, or none?
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2 months ago
Which values in this data set are outliers?119, 65, 68, 78, 74, 85, 120, 86, 78, 65, 35Select outlier or not outlier to whether the following numbers are outliers.3565119120
General
2 months ago
Consider the polynomial 6x2 – 8x + 2. What is the GCF of the polynomial?
General
2 months ago
Barney has a balance of $780 on a credit card with an APR of 31.3%, compounded monthly. About how much will he save in interest over the course of a year if he transfers his balance to a credit card with an APR of 19.1%, compounded monthly? (Assume that Barney will make no payments or new purchases during the year, and ignore any possible late-payment fees.)
General
2 months ago
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