4,335 Answered Questions for the topic College Algebra
College Algebra
09/24/20
word problems in algebra
An algebra student has won $510,000 in a lottery and wishes to deposit it in savings accounts in two financial institutions. One account pays 9% simple interest, but deposits are insured only to...
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College Algebra
09/24/20
Word problems in Algebra
A couple does not wish to spend more than $70 for dinner at a restaurant. If a sales tax of 8% is added to the bill and they plan to tip 20% after the tax has been added, what is the most they can...
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College Algebra
09/24/20
word problems in Algebra
A student in an algebra course has test scores of 71, 83, 79, and 84. What score on the next test will raise the student's average to 82?
college algebra
Starting with the graph of f(x)=2x, write the formula for the function that results from(a) shifting f(x) 1 units downward. y= (b) shifting f(x) 1 units to the right. y= (c)...
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College Algebra
09/23/20
Anurse mixes 80 cc of a 45% saline solution with a 10% saline solution to produce a 20% saline solution. How much of the 10% solution should he use?
College Algebra
09/23/20
w is greater than or equal to 0 and less than 7
I would like to know how to get the answer along with the answer. Thanks.
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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.
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 ______.
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...
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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
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...
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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...
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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...
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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
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.
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.)
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...
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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
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...
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