Reference no: EM13122976
1. Simplify: (-4)(5)(-7)(2)
2. Two trains are approaching each other on the same track. They are 500 miles from each other. One train is traveling at 40 mph, the other at 60 mph. A bird is flying back and forth between them at 150 mph. How long before they collide?
3. Solve for y: x = (y-b) / m
4. Graph x - y = 4
5. A person wants to buy an article, and has a spending limit of $700.
If there is a 10% sales tax, write an inequality that shows the price range in in which he should be looking.
6. Graph the inequality y < 1/2 x +2
This graph will consist of a dashed line upward sloping with a y-intercept of 2, an x-intercept of -4, and passing thru (2, 3)
7. Convert 230 yards per second to miles per minute.
8. What are the x and y intercepts of 2x -y + 3 = 0
9 . Graph the inequality 2x -3y > 6.
Which portion of the grid satisfies the inequality?
10. A line with a slope of -1 has an x intercept of 3
What is the y intercept?
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How much work has been done
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: what is a rebuttal? What is a refutation? , what is a concession? what is the difference between a graph and a chart? What is the difference between a bar graph and a pie graph?
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Description of solving equations and inequalities
: Two trains are approaching each other on the same track. They are 500 miles from each other. One train is traveling at 40 mph, the other at 60 mph. A bird is flying back and forth between them at 150 mph. How long before they collide?
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Calculate the pressure of this same amount of gas
: A 952 cm3 container of gas is exerting a pressure of 108 kPa while at a temperature of 48 oC. Calculate the pressure of this same amount of gas in a 1236 cm3 container at a temperature of 64 oC
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: Find a 95% confidence interval for the true proportion of patients who experienced cotton mouth. Show your calculations and/or explain the process used to obtain the interval.
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: The temperature of a lead fishing weight rises from 26 degrees Celsius to 38 degrees Celsius as it absorbs 11.3 J of heat. What is the mass of the fishing weight in grams.
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: What is the amount of gain (loss) recognized by Rosa, Arvid, Pine, and Lodgepole on the organization?
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