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111E1-F2010

111E1-F2010 - MA 11100 1 Exam 1A Which choice is a...

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MA 11100 Exam 1A Fall 2010 1 1) Which choice is a translation of the phrase ‘five less than double the sum of a number and one’? Let n = the number. 2( 1) 5 2 1 5 5 2( 1) 2 5 5 2 1 A n B n C n D n E n + - + - - + - - + 2) Which statement(s) is(are) true ? I Every integer is a rational number. II Every irrational number is a real number. III Some rational numbers can be irrational numbers. A II only B II and III only C I and II only D I and III only E III only 3) Evaluate this expression, if 8, 6, and 4 x y z = = - = - . ( ) 2 y xz y - + 62 24 2 10 74 A B C D E - - -

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MA 11100 Exam 1A Fall 2010 2 4) Which statement is false ? 1 5 2 2 3 12 8 4 3( 5) 2(3 8) 9 31 6 7 1 4 7 11 2 18 6 6 (4 2) 7 1 4 4 3(2 5) 12 10 7 A a b b a a b B m m m C r t r t r t D y y E x x x - + - = - - - - - = - + - + - - - = - - - - - = - + - + = + 5) Solve the equation. 1 (3 5) 3 2 3 x x - = - 3 2 11 6 11 6 1 2 1 6 A x B x C x D x E x = - = - = = - = 6) The length of a small herb garden is 1.6 feet less than double the width of the garden. If the perimeter of the garden is 26.8 feet, which equation could be used to find the width of the garden, if w represents the width?
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111E1-F2010 - MA 11100 1 Exam 1A Which choice is a...

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