4,322 Answered Questions for the topic College Algebra

College Algebra Math

09/22/20

Elementary Algebra
The length of a regulation tennis court is 6 feet greater than twice its width.  The perimeter of the court is 228 feet.  Find the dimensions of the court.
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College Algebra Math Mathematics

09/21/20

MATH QUESTION, HELP NEEDED!

One positive number is one-fifth of another number. The difference between the two numbers is 300, find the numbers. The two numbers increasing in order are ____ and ______.
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College Algebra

09/21/20

Find mathematical model,function, & sales tax

State sales tax S is directly proportional to retail price p. An item that sells for 152dollars has a sales tax of 12.32 dollars.find a mathematical model that gives the amount of sales tax S in... more
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College Algebra

09/21/20

Modeling with equations
The length of a rectangle is nine more than double the width. If the perimeter is 78, inches, find the dimensions
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College Algebra Precalculus Algebra

09/21/20

Solve the problem
The formula for converting Celsius temperature, C, to Fahrenheit temperature, F, is F= 9/5C + 32. If Fahrenheit temperature ranges from 50° to 122°, inclusive, what is the range for the Celsius... more
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College Algebra Precalculus Algebra

09/21/20

When making a long distance call from a pay phone, the first three mins of a call cost $2.25. After that, each add. min or portion of a min of that call cost

When making a long distance call from a certain pay phone, the first three minutes of a call cost $2.25. After that, each additional minute or portion of a minute of that call cost $0.25. Use an... more
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College Algebra

09/20/20

College algebra word problem
Complete the square and find the minimum value of the quadratic function.(a)    y = 2x2 − 4x − 9
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College Algebra

09/19/20

College Algebra word problem
If f(x) = ax^ 2 − 13x − 7 has the roots -1/2 and 7, find the value of a
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College Algebra

09/19/20

college algebra word problems
Use the vertex (h, k) and a point on the graph (x, y) to find the general form of the equation of the quadratic function.(h, k) = (−5, −1),    (x, y) = (−8, 8)
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College Algebra

09/19/20

College Algebra word problems
Find the maximum value of the quadratic function.y = −3x^ 2 − 6x − 24
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College Algebra

09/19/20

College Algebra

Find the dimensions of the rectangular corral split into 2 pens of the same size producing the greatest possible enclosed area given 300 feet of fencing. (Assume that the length is greater than or... more
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College Algebra

09/19/20

College Algebra Word problem

Find the maximum value of the quadratic function.y = −3x2 − 6x − 24
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College Algebra

09/19/20

college algebra

Rewrite the quadratic function in standard form.f(x) = x2 − 18x + 89
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College Algebra

09/19/20

College Algebra

f(x) = 2x2 − 14x + 6 find the minimum or maximum value of f.
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College Algebra

09/19/20

College algebra word problem

Find the dimensions of the rectangular corral producing the greatest enclosed area given 240 feet of fencing. (Assume that the length is greater than or equal to the width.)
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College Algebra

09/19/20

College Algebra word problem

A ball is thrown in the air from the top of a building. Its height, in meters above ground, as a function of time, in seconds, is given by h(t) = −4.9t2 + 22t + 12. How long does it take to reach... more
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College Algebra

09/19/20

cylinder dimensions
what is the height of a cylinder if the radius is 6 inches and the volume is 144 pie r^3
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College Algebra Precalculus Algebra

09/18/20

Find an equation of the line that passes through the point and has the indicated slope m which is undefined. Point (-3,6)
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College Algebra

09/18/20

Solving a decimal word problem

Chau is going to rent a truck for one day. There are two companies he can choose from, and they have the following prices.Company A charges $94 and allows unlimited mileage.Company B has an initial... more
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College Algebra

09/17/20

The length of a rectangle is 4 yd longer than the width. The area is 70 yd'. Find length and width.
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College Algebra

09/17/20

Quadratic equation
A rectangular piece of cardboard measuring 12 ft by 10 ft is to be made into a box by cutting equal size squares from each corner and folding up the sides. Let x represent the length of a side of... more
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College Algebra

09/17/20

Combinations, Permutations, and Multiplying rule
How many ways can 2 Replublicans, 2 Democrats, and 1 Independent be chosen from 11 Republicans, 9 Democrats, and 5 Independents to fill 5 positions on City Council?There are ?  different ways the... more
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College Algebra

09/17/20

Jessica leaps from a tall bridge and falls toward the river below.The bridge is 150 feet above the water and Jessica’s bungee cord is 80 feet long unstretched.When will Jessica’s cord begin to stretch
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College Algebra

09/17/20

How many ounces of a 11% alcohol solution and a 31% alcohol solution must be combined to obtain 75 ounces of a 15 % solution?
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College Algebra Math Algebra

09/17/20

Distance problem.
Hillary and Zoe are 105 miles apart, traveling towards each other. If Zoe travels 14 mph and Hillary travels 7 mph how long until they meet
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