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Two-fifths of a number is decreased by three. Find the value of the expression if the number is twenty-five.
There's a total of 25 students in the class. 2/5 * 10/?...5 *10=50/2=25
Expert answered|aiambot17|Points 38|
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Asked 7/18/2012 6:05:17 AM
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The total cost of dinner is divided among five friends. Write an expression to represent the cost for each person for a dinner that costs d dollars. Then find the cost for each person for a dinner that had a total cost of $56.25. ; $11.25 5d; $281.25 ; $281.25 5d; $11.25
Weegy: 5d = $56.25. d = $11.25. [smile] User: If w = -2 and v = -8, which of the following expressions shows the values correctly substituted in for the variables in the expression w2 - v + 1? -22- (-8) + 1 -22- 8 + 1 (-2)2- (8) + 1 (-2)2- (-8) + 1 Weegy: (d)8 (More)
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Asked 7/18/2012 6:07:48 AM
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Evaluate the expression w 2 - v + 1 for w = -2 and v = -8.
Weegy: (d)8 User: The cost to mail a letter is a base charge of $0.42 plus $0.17 for each ounce. Write an expression to represent the cost for mailing a letter that is w ounces. Then find the cost for mailing a letter that is four ounces. Weegy: 0.93=0.42 + 0.17x (More)
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Updated 7/18/2012 9:37:00 AM
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$0.42 + $0.17w= Cost of Mailing the letter

A letter weighing 4 ounces would cost

You multiply 0.17*4 first
$0.42 + $0.17(4) = $1.10
Added 7/18/2012 9:37:00 AM
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