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Evaluate the expressions when x=3 and y=8 we must show all. Three answers were given directly without any extra steps or explanation, essay.
A motorboat travels 595 mi in 7 hours going upstream and 484 mi in 4 hours going downstream. What is the rate of the boat.
Algebra: Linear Equations and Inequalities.The surface area S of a right prism is given by S = 2B + Ph.
Write the equation of the line passing through each of the given points with the indicated slope. Give your results in slope-intercept form, where possible
If a function f of one variable is differentiable at x_0, it has a derivative at x_0 (via the limit definition of derivative)
How many liters of a 40%-alcohol solution must be mixed with 10 liters of a solution that is 80% alcohol to get a solution that is 60% alcohol?
Write a computer program or Excel spreadsheet that:
Find the cost per ounce of each of the following sets of products, and tell which one is the better buy for each pair. You must show your work for both parts.
Use the discriminate to determine whether the following equations have solutions that are: two different rational solutions; two different irrational solutions.
Create a binary relation between X and Y that contains at least 6 ordered pairs, given that X and Y are the following:
A stuntman jumps from a rooftop 330 ft off the ground. How long will it take him, falling freely, to reach the ground? Show your work.
If we identify the rational numbers with a subset of R(t), what function corresponds to a given rational number r?
The perimeter of a rectangular building is 234 feet. The width is 25 feet shorter than the length. What are the dimensions?
A line passes through the point (x,y) = (-2,-1) and has a slope of -2 . Write an equation for this line.
How does solving an equation differ from manipulating an expression? How are they alike?
The manager of a weekend flea market knows from past experience that if he charges x dollars for a rental space at the flea market, then the number y of spaces
Cleaning solution is made by mixing 1/3 teaspoon baking soda, 2 tablespoon of dishwashing liquid and 2 cups lukewarm water.
The monthly cost of driving a car depends on the number of miles driven. Lynn found that in May it cost her $380 to drive 480 mi and in June it cost her $460
Evaluate the difference quotient for the given function. Simplify your answer.
What is the formula for the volume of a rectangular solid? Find an object in your residence that has the shape of a rectangular solid.
Flight of a Ball If a ball is thrown upward at 96 feet per second from the top of a building that is 100 feet high, the height of the ball can be modeled
Show that none of the following mappings f:X?X have a fixed point and explain why the Contraction Mapping Principle is not contradicted.
Indicate whether the given points below are on line 1, on line 2, on both line 1 and line 2, or on neither one of the two lines:
Prove that if {f_n:R?R} is a sequence of continuously differentiable functions such that the sequence of derivatives {f_n^':R?R} is uniformly convergent
The price of a certain product varies according to how much is available. At a production level of x units the price per units the price per unit is 3.40-0.01x.