Exam 7: The Basic Concepts of Algebra

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Translate the verbal phrase into a mathematical expression. Use x to represent the unknown number. -The quotient of a number and 73

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Solve the problem. -The mathematical model C = 100x + 50,000 represents the cost in dollars a company has in manufacturing x items during a month. Based on this model, how much does it cost to produce 100 Items?

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Solve the problem. -A label printer prints 7 pages of labels in 2.9 seconds. How long will it take to print 406 pages of labels?

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Solve the formula for the specified variable. - A=P(1+nr);\mathrm { A } = \mathrm { P } ( 1 + \mathrm { nr } ) ; for r\mathrm { r }

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Solve the formula for the specified variable. - F=95C+32; for C\mathrm { F } = \frac { 9 } { 5 } \mathrm { C } + 32 ; \text { for } \mathrm { C }

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Solve the equation. - 22t30=8t1222 \mathrm { t } - 30 = 8 \mathrm { t } - 12

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The two largest oil spills together released 301 million gallons of oil into the oceans. The smaller of the two released 73 million gallons less than the larger of the two. How many million gallons did The larger one release?

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Solve and graph. - x2(x6)12xx - 2 ( x - 6 ) \leq 12 x  Solve and graph. - x - 2 ( x - 6 ) \leq 12 x

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Chuck and Dana agree to meet in Chicago for the weekend. Chuck travels 300 miles in the same time that Dana travels 264 miles. If Chuck's rate of travel is 6 mph more than Dana's, and they Travel the same length of time, at what speed does Chuck travel?

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Pizzicato Pizza, Inc. finds that the cost to make xx pizzas (with one topping) is C=2x+1885C = 2 x + 1885 , while the revenue produced from them is R=16xR = 16 x ( CC and RR are in dollars). What is the smallest whole number of pizzas, xx , that must be sold for the company to show a profit?

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Solve the formula for the specified variable. - A=12h(b1+b2);A = \frac { 1 } { 2 } h \left( b _ { 1 } + b _ { 2 } \right) ; \quad for b1b _ { 1 }

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Translate the verbal phrase into a mathematical expression. Use x to represent the unknown number. -68 more than a number

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Evaluate the expression. - (2)1( - 2 ) ^ { - 1 }

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Evaluate the expression. - 24+212 ^ { 4 } + 2 ^ { 1 }

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One side of a triangle is twice as long as a second side. The third side of the triangle is 12 feet long. The perimeter of the triangle cannot be more than 48 feet. Find the longest possible values for the Other two sides of the triangle.

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Match the inequality with its correct representation. - {x6x<6}\{ x \mid - 6 \leq x < 6 \}

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A line from the top of a cliff to the ground passes just over the top of a pole 8.0 ft high and meets the ground at a point 5.0 ft from the base of the pole. If the point is 66 ft from the base of the cliff, How high is the cliff? Round to the nearest unit.

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Evaluate. - 120+12012 ^ { 0 } + 12 ^ { 0 }

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Decide whether the statement translates into an expression or an equation. -16 is 3 less than a number.

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Solve and graph. - 9x15>3(2x6)9 x - 15 > 3 ( 2 x - 6 )  Solve and graph. - 9 x - 15 > 3 ( 2 x - 6 )

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