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Suppose you were told that the company built the fence 4 hours and that they completed 1\6 mile of the fence each hour. How would you use the double number line to help you find he length of the fence?
General
6 months ago
The City Transit Authority plans to hire 12 new bus drivers. From a group of 100 qualified applicants, of whom 65 are men and 35 are women, 12 names are to be selected by lot. Suppose that Mary and John Lewis are among the 100 qualified applicants. 1. What is the probability that both Mary's and John's names will be selected? (Round your answer to four decimal places.) 2. If it is stipulated that an equal number of men and women are to be selected (6 men from the group of 65 men and 6 women from the group of 35 women), what is the probability that Mary's name will be selected? (Round your answer to four decimal places.) 3. What is the probability that Mary's and John's names will be selected? (Round your answer to four decimal places.)
General
6 months ago
Claim: Fewer than 93% of adults have a cell phone. In a reputable poll of 1021 adults, 88% said that they have a cell phone. Find the value of the test statistic. The value of the test statistic is nothing. (Round to two decimal places as needed.)
General
6 months ago
Rachel used 4.5 cups of apple juice in fruit punch that serves 12. Andy used 4.75 in his that serves 10. How much more apple juice is in one serving of andys punch
General
6 months ago
Write a real number with ten digits to the right of the decimal point need help with A. And B.
General
6 months ago
please helpSam deposits $12,500 each year into a retirement account with a 3% simple interestrate. If he deposits the same amount each year, how much money will he have at theend of his fourth year?$13,625 $26,725 $52,250$54,500
General
6 months ago
Given that ΔABC ≅ ΔDEF, m∠A = 70°, m∠B = 60°, m∠C = 50°,m∠D = (3x + 10)°, m∠E= (1/3y + 20)°, and m∠F = (z2 + 14)°, find the values of x and y.
General
6 months ago
Hello Kitty has created a new system of conversion for the residents of Kitty Nation. The standard for measurement of length in Kitty Nation is that 3 lenthii = 35 inches and 3 gianthii = 380.5 lenthii. If a design to be sent to Kitty Nation is 287.4 feet long, how many gianthii long will it be? (Include units)
General
6 months ago
Suppose that a fair coin is tossed ten times. Each time it lands heads you win a dollar, and each time it lands tails you lose a dollar. Calculate the probability that your total winnings at the end of this game total two dollars, and the probability that your total winnings total negative two dollars.
General
6 months ago
the radius of a cylinder is increasion at a rate of 1 meter per hour, and the height of the cylinder is decreasing at a rate of 4 meters per hour. at a certain instant, the base radius is 5 meters and the height is 8 meters. what is the rate of change of the volume of the cylinder at the instant? (Note the formula for volume of a cylinder is V r h)
General
6 months ago
consider the equation y=16-x. which of the following statements is true a. x is a function of y, but y is not a function of x.b. y is a function of x, but x is not a function of y.c. both x is a function of y and y is a function of x.d. neither x is a function of y, nor is a function of x
General
6 months ago
A postmix beverage machine is adjusted to release a certain amount of syrup into a chamber where it is mixed with carbonated water. A random sample of 25 beverages was found to have a mean syrup content of x¯=1.19 fluid ounces and the sample standard deviation is s=0.015 fluid ounces. Find a 95% two-sided confidence interval on the mean volume of syrup dispensed. Assume population is approximately normally distributed.
General
6 months ago
the diagram shows a triangle.all the measurements are in cmthe perimeter of the triangle is 70cm the area of the triangle is Acm squaredwork out the value of A
General
6 months ago
The bill is $330. We want to split it but a friend gave us $50 for it. Therefore we each owe $140 after the $50. Since I have the $50 in my possession I wok give him $165 since were splitting the $50. Correct?
General
6 months ago
The brand name of a certain chain of coffee shops has a 54% recognition rate in the town of Coffleton. An executive from the company wants to verify the recognition rate as the company is interested in opening a coffee shop in the town. He selects a random sample of 10 Coffleton residents. Find the probability that exactly 7 of the 10 Coffleton residents recognize the brand name.0.08240.1560.0008060.0850
General
6 months ago
Lily swims for 5 hours in stream that has a current of 1 mph. She leaves her dock, swims upstream for 2 miles and then swim back to her dock. What is her swimming speed in still water?
General
6 months ago
2/4+3/2 im trying fractions so can you tell me what that is
General
6 months ago
The data points represent the number of swimmers atCity Pool compared to the outside temperature.(66, 8), (71, 23), (72, 16), (75, 30), (78, 35), (80, 24),(82, 37), (86, 37), (87, 42), (90, 50)Use the regression equation to determine how manyswimmers will be at the pool when the temperature is88°F? Round to the nearest whole number.Swimmers
General
6 months ago
The distribution of resting pulse rates of all students at Adams High School was approximately normal with mean \mu = 80μ=80mu, equals, 80 beats per minute and standard deviation \sigma = 9σ=9sigma, equals, 9 beats per minute. Only students whose resting pulse rates are in the lower 40\%40%40, percent are eligible join the weight-lifting club. What is the maximum resting pulse rate for students who are eligible to join the weight-lifting club?
General
6 months ago
The equation below represents the trend line of a scatter plot showing the hours spent studying versus science test scores.y - 6.5x+424The equation below represents the trend line of a scatter plot showing the hours spent studying versus math test scores.y = 7.2x+34.7If a student does not study for either test, on which test should the student expect the higher score?o on the science test because the rate of change is greaterO on the math test because the rate of change is greateron the science test because the y-intercept is greatero on the math test because the y-intercept is greater
General
6 months ago
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