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Delilah writes down the positive factors of $12$ on a piece of paper, which she gives to Ezekiel. Next to each factor, Ezekiel writes all of the positive integers that are less than or equal to that number and that share no divisors with the factor other than $1.$ (So, for example, Ezekiel will write $``1"$ next to each of the factors Delilah writes.) How many numbers total does Ezekiel write?
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2 months ago
I need help with my math homework...
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2 months ago
$16.46 is what percent of $634.40?
General
2 months ago
Data from the Bureau of Labor Statistics’ Consumer Expenditure Survey show that annual expenditures for cellular phone services per consumer unit increased from $237 in 2001 to $634 in 2007. Let the standard deviation of annual cellular expenditure be $52 in 2001 and $207 in 2007. a. What is the probability that the average annual expenditure of 125 cellular customers in 2001 exceeded $220? (Round answer to 4 decimal places.) b. What is the probability that the average annual expenditure of 125 cellular customers in 2007 exceeded $607? (Round answer to 4 decimal places.)
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2 months ago
Add using the number line. −1.2+2.9 Select the location on the number line to plot the point. -2.52.5-2-1.5-1-0.500.511.52.
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2 months ago
A regular tube of toothpaste costs $2.50 for 3.2 ounces. A travel size tube costs $1.00 for 1.2 ounces. Compare the prices and weights using percent to decide which is better to buy
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2 months ago
Andre types 208 words in 4 minutes. Noah types 342 words in 6 minutes. Who types faster?
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2 months ago
Helllppp this is due today i need help fast 30 points!!!! The average cost of a compact car at a certain dealership over the last 10 years has ranged from $12,000 to $16,500. Suppose you were going to plot these points on a coordinate grid.(a) What is a good scale to use for the y-axis? Explain your reasoning. (b) What is a good interval to use for the x-axis? Explain your reasoning.I will give brainliest if correct! pls help... :(
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2 months ago
A man's speed with the current is 15 km/hr and the speed of the current is 2.5 km/hr. The man's speed against the current is:
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2 months ago
A toy airplane climbs 30 vertical feet while traveling 50 feet horizontally. A toy helicopter climbs 20 feet while traveling 40 feet horizontally. Assuming a steady rate of change, which toy traveled at a greater slope?
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2 months ago
A group of 140 tourists are going on a tour. the tour guide rents 15 vans. each van hold 9 tourists Write a division problem What does the remainder mean in the context of the problem?How can you use your answer to determine if the tour guide rented enough vans? Explain
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2 months ago
Which of the following examples is an error of addition by one? A. 7363 + 1535 = 8798 B. 3415 + 2174 = 5589 C. 5167 + 4622 = 9789 D. 2683 + 6215 = 8898
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2 months ago
Nicole is running for school president. Her best friend designed her campaign poster, which measured 3 feet by 2 feet. Nicole likes the poster so much, she reproduced the artwork on regular buttons that measured 2 inches by 1 1/3 inches. What is the scale factor?
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2 months ago
A shipping box in the shape of a cube has an edge length of 8 inches. It can hold 8 mugs with no extra space between them.If the dimensions of the shipping box are all doubled, what is the maximum number of mugs that the larger box can hold?16244864
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2 months ago
the average gas milage of a certain model car is 29.0 miles per gallon. if the gas mileages are normally distributed with a standard deviation of 0.6 miles per gallon, find the probability that a car has a gas mileage of between 28.8 and 29.2 miles per gallon.A:0.321 B:0.261C:0.851D:0.131
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2 months ago
students in a cooking class made 4 1/2 quarts of soup.They served 4/5 of the soup to friends.Each serving is 3/5 quart.Hector incorrectly says that there were 3 3/5 serving of soup.What is the correct number of servings ? what did Hector do wrong ?
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2 months ago
motorboat travels 9 miles downstream (with the current) in 30 minutes. The return trip upstream (against the current) takes 90 minutes. Which system of equations can be used to find x, the speed of the boat in miles per hour, and y, the speed of the current in miles per hour? Recall the formula d = rt. 9 = 0.5(x – y) 9 = 1.5(x + y) 9 = 1.5(x – y) 9 = 0.5(x + y) 0.5 = 9(x – y) 1.5 = 9(x + y) 1.5 = 9(x – y) 0.5 = 9(x + y)
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2 months ago
steven buys 2.32 pounds of trail mix and twice as many pounds of dried fruit what is the total cost
General
2 months ago
The equation of the quadratic relationship is y=−0.07(x−10.76)²+14.8. That equation references the coordinates (10.76,14.8). What is the significance of those coordinates?
General
2 months ago
the graph shows the solution to which system of inequalities
General
2 months ago
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