4,322 Answered Questions for the topic College Algebra
Compare the surface area of a rectangular solid that is 2 inches by 4 inches by 7 inches to the surface area of a rectangular solid whose dimensions are double those of the first one.
Compare the surface area of a rectangular solid that is 2 inches by 4 inches by 7 inches to the surface area of a rectangular solid whose dimensions are double those of the first one. Explain your...
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If you wanted to cover (as nearly as possible) the floor of a 6-foot by 8-foot room with one thickness of nickels, how many nickels would it take?
If you wanted to cover (as nearly as possible) the floor of a 6-foot by 8-foot room with one thickness of nickels, how many nickels would it take? After you have done this, if you gathered up the...
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The area of a rectangle is 90 square inches and the perimeter is 42 inches. What are its dimensions? Demonstrate your method
The area of a rectangle is 90 square inches and the perimeter is 42 inches. What are its dimensions? Demonstrate your method.
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A rancher has a fence that encloses a square pen with an area of 25 square meters. If the rancher uses this fence to enclose a circular antique rose garden, what will the area of the garden be?
A rancher has a fence that encloses a square pen with an area of 25 square meters. If the rancher uses this fence to enclose a circular antique rose garden, what will the area of the garden be?
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Acme Products makes a very expensive pencil sharpener. Each sharper is carefully placed in a box that measures 4cm by 6 cm by 10 cm
Acme Products makes a very expensive pencil sharpener. Each sharper is carefully placed in a box that measures 4cm by 6 cm by 10 cm. To ship these items overseas Acme purchases special shipping...
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The average human heart pumps about 5 quarts of blood every minute. How much blood does it pump in one day? In one month? [assume a 30 day month]
The average human heart pumps about 5 quarts of blood every minute. How much blood does it pump in one day? In one month? [assume a 30 day month]
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College Algebra
10/19/20
Consider the function f(x)=-3x^2+30x-9
College Algebra
10/18/20
Polynomial and rational functions
Find a polynomial f(x) of degree 4 that has the following zeros.9, -3 (multiplicity 2), 0 leave answer in factored form
College Algebra Differential Equations
10/18/20
Quadratic Equation
Write the quadratic equation whose roots are −6 and 1, and whose leading coefficient is 4.
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College Algebra
10/18/20
college algebra word problem
Suppose the maximum cost allowed is $1600. What are the domain and range of the cost function, C(x)? (Enter your answers using interval notation.)
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If the radius of the circle is , what is the length of the curved line in the interior of the circle that separates the white region from the dark region?
If the radius of the circle is r , what is the length of the curved line in the interior of the circle that separates the white region from the dark region?
If each of the circles has a diameter of 10 meters, what is the area of the region inside the four circles? (Use π = 3.14. Round your answer to one decimal place.)
If each of the circles has a diameter of 10 meters, what is the area of the region inside the four circles? (Use π = 3.14. Round your answer to one decimal place.)
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College Algebra
10/18/20
College Algebra
The length of a rectangle is twice its width. If the perimeter is 72 meter, find the area of the rectangle.
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College Algebra
10/17/20
The volume V of a right circular cylinder of height h and radius r is V=(pie)r^2h. If the height is nine times the radius, express the volume V as a function of r.
this is for my college algebra class
College Algebra
10/17/20
Solving distance rate and time
A motorboat travels 120 kilometers in 4 hours going upstream. It travels 168 kilometers going down stream in the same amount of time. What is the rate of the current
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College Algebra
10/16/20
college algebra word problem
Let f(x) = 8x-3, x ≤ -5 Find f(−1), f(−5), and f(−6). -x^2, x > -5
College Algebra
10/16/20
What is a cubic polynomial function in extended form
Zeros are -6, -4, -1 Given f(-2)= -32
College Algebra
10/16/20
college algebra word problem
A company produces custom greeting cards. The cost C (in dollars) of producing n greeting cards per month can be modeled by the function C = 400 + 0.75n. Find the inverse of the model. Use the...
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College Algebra
10/16/20
college algebra word problem
Use the pair of functions to find f(g(x)) and g(f(x)).f(x) = x2 + 9, g(x)= square root of x+2
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College Algebra
10/16/20
college algebra word problem
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) = (1, 0), (x, y) = (0, 1)
College Algebra
10/16/20
college algebra word problem
Determine whether there is a minimum or maximum value to the quadratic function.f (x) = 2x^2 − 18x + 8Find the minimum or maximum value of f. Find the axis of symmetry.
College Algebra
10/16/20
College algebra word problem
Find an equation of a parabola with a vertex at the origin and the focus located at (x, y) = (4, 0).
College Algebra
10/16/20
college algebra word problem
Find the dimensions of the rectangular corral producing the greatest enclosed area given 320 feet of fencing. (Assume that the length is greater than or equal to the width.)
College Algebra
10/16/20
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) = −4.9t^2 + 14t + 6. How long does it take to reach...
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