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Chapter 0: Problem 138
Factor completely. $$x^{2 n}+6 x^{n}+8$$
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Determine whether each statement is true or false. If the statement is false, make the necessary change(s) to produce a true statement. $$x-0.02(x+200)=0.98 x-4$$
It takes you 50 minutes to get to campus. You spend t minutes walking to the bus stop and the rest of the time riding the bus. Your walking rate is 0.06 mile per minute and the bus travels at a rate of 0.5 mile per minute. The total distance walking and traveling by bus is given by the algebraic expression $$0.06 t+0.5(50-t)$$ a. Simplify the algebraic expression. b. Use each form of the algebraic expression to determine the total distance that you travel if you spend 20 minutes walking to the bus stop.
Factor Completely. $$y^{7}+y$$
Your local electronics store is having an end-of-the-year sale. The price on a plasma television had been reduced by 30%. Now the sale price is reduced by another 30%. If x is the television鈥檚 original price, the sale price can be modeled by original price, the sale price cafe $$(x-0.3 x)-0.3(x-0.3 x)$$
Determine whether each statement is true or false. If the statement is false, make the necessary change(s) to produce a true statement. $$ (-2)^{4}=2^{-4} $$
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