Chapter 2: Problem 23
Find the difference. $$ -65-(-59) $$
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LOGICAL REASONING Decide whether the statement is true or false If false, rewrite the right-hand side of the equation so the statement is true. $$ -3.5(6.1+8.2) \stackrel{2}{=}-3.5(6.1)-3.5(8.2) $$
LOGICAL REASONING You are tutoring a friend in algebra. After learning the distributive property, your friend attempts to apply this property to multiplication and gets \(2(x y)=2 x \cdot 2 y\) Write a convincing argument to show your friend that this is incorrect.
SIMPLIFYING EXPRESSIONS Simplify the expression by combining like terms. $$ 107 a-208 a $$
BUYING JEANS You have 58 dollar, and you want to buy a pair of jeans and a \(\$ 20\) T-shirt. There is a \(6 \%\) sales tax. If \(x\) represents the cost of the jeans, then the following inequality is a model that shows how much you can spend on the jeans. $$ x+20+0.06(x+20) \leq 58 $$ If the jeans cost \(\$ 35,\) can you buy both the T-shirt and the jeans?
RECIPROCALS Find the reciprocal. $$ 435 $$
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