4,322 Answered Questions for the topic College Algebra

College Algebra Algebra

07/11/19

how do you find the area of this?
A gardener wishes to enclose her rectangular raspberry patch with exactly 40 feet of fencing. The raspberry bushes are planted along the garage, so no fencing is needed on that side. a. Find the... more
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College Algebra Algebra 1 Algebra 2 Algebra

07/10/19

write the domain and range of the function.

h(x)= -|x+1|+2
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College Algebra Algebra 1 Algebra 2 Algebra

07/10/19

College algebra help needed

For this statement, find the constant of variation and the variation equation.y varies jointly as x and the cube of z; y=432 when x=4 and z=3.
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College Algebra Algebra 1 Algebra 2 Prealgebra

07/09/19

The volume of a cone varies jointly as the square of its radius and its height.
If the volume of a cone is 12(pi) cubic inches when the radius is 2 inches and the height is 9 inches, find the volume of a cone when the radius is 3 inches and the height is 6 inches.express your... more
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College Algebra Algebra 1 Algebra 2 Algebra

07/09/19

math 96 college intermediate algebra/geometry help needed!!
Pairs of markings a set distance apart are made on highways so that police can detect drivers exceeding the speed limit. Over a fixed distance, the speed R varies inversely with the time T. In one... more
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College Algebra Algebra 1 Algebra 2 Algebra

07/09/19

if y varies inversely as x, find the constant variation k and the inverse variation equation for the situation.

y=1/5 when x=35
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College Algebra Algebra 1 Algebra 2 Algebra

07/09/19

The weight of a synthetic ball varies directly with the cube of its radius.
A ball with a radius of 2 inches weighs 1.20 pounds. Find the weight of a ball of the same material with a 3-inch radius.
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College Algebra Algebra 2 Word Problem

07/09/19

Algebraic Composition Word Problem

If x is twice y, and z is four less than x, write z as a function of y.
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College Algebra Algebra 2

07/08/19

College Math Question
A certain drug is made from only two ingredients: compound A and compound B. There are 8 milliliters of compound A used for every 5 milliliters of compound B. If a chemist wants to... more
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College Algebra

07/08/19

Alegbra Question
Charmaine, Reuben, and Alan sent a total of 111 text messages over their cell phones during the weekend. Alan sent 4 times as many messages as Charmaine. Charmaine sent 9 fewer messages... more
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College Algebra

07/08/19

Find the Equation of a parallel line

Find the equation of a line that is parallel to the line y=10 and passes through the point (-9,2). really need help with step by step solving
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College Algebra Algebra 2 Algebra

07/07/19

You need 845 mL of a 75% alcohol solution. On hand, you have a 35% alcohol mixture. How much of the 35% alcohol mixture and pure alcohol will you need to obtain the desired solution?
You will need ____ mL of the 35% solution and _____ mL of pure alcohol.
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College Algebra Algebra 2

07/07/19

What is the rate of the plane in still air and what is the rate of the wind?
An airplane travels 3605km against the wind in 5 hours and 4605km  with the wind in the same amount of time. What is the rate of the plane in still air and what is the rate of the wind?
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College Algebra Algebra 2

07/07/19

How many messages did they each send?
Linda, Justin, and Sam sent a total of 67 text messages over their cell phones during the weekend. Sam sent 2 times as many messages as Linda. Linda sent 9 more messages than Justin. How many... more
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College Algebra

07/05/19

College Algebra help
The ordered pair ( ,-9) is a solution to the equation y=5x-4
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College Algebra

07/04/19

Suppose $8000 is invested in a monthly compounded account at 4.2%. Approximately how long will it take for the balance to reach $21,200?
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College Algebra

07/04/19

A truck enters a highway - college algebra

A truck enters a highway driving 60 mph. A car enters the highway at the same place 15 minutes later and drives 72 mph in the same direction. From the time the car enters the​ highway, how long... more
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College Algebra Algebra 2

07/03/19

Find two functions f and g such that (f o g)(x)=h(x). Use not identity functions for f(x) and g(x).
h(x)=^3 radical symbol x^2-1(f(x), g(x))=
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College Algebra Math Algebra

07/02/19

Help me please I

In the​ 2009-2010 school year in country​ A, there were 131,000foreign students from country B. This number is 24​% more than the number of students from country C. How many foreign students were... more
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College Algebra Algebra 2

07/02/19

Mathematics 106
If f(x) is a linear function, f(−5)=2, and f(5)=−3, find an equation for f(x)
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07/01/19

Solve this application problem using a system of equations: The perimeter of a rectangular building is 234 feet. The width is 27 feet shorter than the length. What are the dimensions?
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College Algebra Math Algebra Polynomials

07/01/19

Find an​ nth-degree polynomial function with real coefficients satisfying the given conditions.

n=32 and 5i are zerosf(1)=26
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College Algebra

06/30/19

Let f(x)=6−1x+15x2. Calculate the following values:
f(a)=   f(a+h)=   f(a+h)−f(a)/h=for h≠0
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College Algebra Algebra 2

06/28/19

Did I write the equation in standard form of a parabola correctly?

Put the equation into the standard form of a parabola by completing the square.Given equation: 12y=5x^2-60x+26412y/12=5x^2/12-60x/12+264/12y=5x^2/12-5x+22
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College Algebra Algebra 2

06/28/19

How do I write an equation in slope-intercept form for the line- x-intercept (-9,0), y-intercept (0,7)
write an equation in slope-intercept form for the line described. x-intercept (-9,0), y-intercept (0,7)Is it y=7/9x+7????
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