Chapter 11: Problem 25
Solve the percent problem. How much is \(8.2 \%\) of 800 tons?
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Simplify the expression. $$\frac{x+6}{x+1}-\frac{4}{2 x+3}$$
Simplify the radical expression. $$\frac{1}{2} \sqrt{28}$$
You will write and simplify a general expression for the average speed traveled when making a round trip. Let \(d\) represent the one-way distance. Let \(x\) represent the speed while traveling there and let \(y\) represent the speed while traveling back. What do you notice about the variables in the final answer? If your distance is doubled what happens to the average speed?
Evaluate the function for \(x=0,1,2,3,\) and 4. $$f(x)=-x^{2}$$
Simplify the expression. $$\frac{3}{x+3}+\frac{4 x}{2 x+6}$$
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