4,322 Answered Questions for the topic College Algebra

College Algebra

08/27/19

An executive invests $29,000, some at 6% and the rest at 4% annual interest. If he receives an annual return of $1,380, how much is invested at each rate?
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College Algebra Math Quadratic Equation

08/27/19

Quadratic equation
 if someone throws a ball down from a height of 100 meters, the ball's distance from the ground can be modeled by the equation:  where t is the time in seconds and d is the distance in meters.
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College Algebra

08/26/19

Find three consecutive even integers such that the square of the third is 4 more than the square of the second.
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College Algebra Math Algebra 2 Algebra

08/25/19

Write the standard form of the equation of the circle with the given characteristics
Write the standard form of the equation of the circle with the given characteristics....Endpoints of a diameter: (2, 3), (−8, −9)
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College Algebra

08/24/19

Suppose you have 20 feet of fencing that you want to put around a hexagonal garden. How long will each side of the fence be?
How do I figure out an answer for this?
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College Algebra Algebra 2

08/22/19

What is -x squared
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College Algebra Algebra 2

08/22/19

How many quarts of pure antifreeze must be added to 9 quartz of a 40% antifreeze solution to obtain a 60% antifreeze solution?
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College Algebra Algebra 1 Geometry

08/21/19

What is the area of a rectangular driveway measuring 20 feet long and 15 feet wide?
What is the area of the rectangular driveway measuring 20 feet long and 15 feet wide?
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College Algebra Algebra 2

08/21/19

If 5 is added to a number and the sum is doubled the result is 22 less is the number
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08/20/19

Ed Moura has $29000 invested in stocks paying 7%. How much additional money should be invest in certificates of deposit paying 3% so that the average return on the two investments is 4%?
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College Algebra Algebra 2

08/20/19

A square had a side that measures 2x - 5. What is the perimeter of the figure ( A = s^2 P = 4s ) ?

A) 8x - 20 B) 4x^2 - 20x + 25 C) 4x - 25 D) 8x + 10
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College Algebra Algebra 2

08/15/19

college algebra question! Please help
The length of time it takes a pendulum to make one complete swing and return to its startingposition varies directly as the square root of the pendulum’s length. A pendulum that is 32.5cm long... more
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College Algebra Algebra 2

08/15/19

The number of students enrolled in a school district was 8500 in 2010. Enrollment has been dropping by 4% each year since that time. Predict the enrollment in 2016.
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College Algebra Algebra 2

08/13/19

inverse functions
what is the inverse function of F(x)=(x^3)-5
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College Algebra Algebra 2

08/13/19

Algebra Problem
A company that manufactures wheelchairs has a fixed costs of$500,000. The average cost per wheel chair, C, for the company to manufacture x wheelchairs per month is modeled by the... more
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College Algebra Algebra 2

08/12/19

You rent a car for a flat fee of 100 dollars plus 19 cents per mile. (write an equation for the rental fee– with x equal to the number of miles driven. Then solve for the cost of driving 50 miles)
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College Algebra Algebra 2

08/11/19

College Algebra

A bus averages 6 miles per hour faster than a trolley. If the bus travels 90 miles in the same time it takes the trolley to travels 75 miles, then what is the speed of each?
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College Algebra

08/08/19

Use interval notation to represent all values of x satisfying the given conditions y=9-|x/2+2| and y is at most 4
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College Algebra

08/08/19

How long before one plant becomes 20?
1 plant will populate into 20 before the original dies of age.Measurement of time starts at the beginning of the original plants growth cycle.The growth cycle of each plant is 3 time units to reach... more
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College Algebra

08/07/19

Can you explain Fermat's theorem or Fermat's Last Theorem in detail?

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College Algebra Algebra 2 Finance Logarithm

08/05/19

Find the accumulated value of an investment
Find the accumulated value of an investment of $10,000 for 7 years at an interest rate of 4% if the money is a. compounded semiannually ; b. compounded quarterly ; c. compounded monthly ;... more
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College Algebra Algebra 1 Algebra

08/02/19

radioactive isotope leaked into a stream
A certain radioactive isotope has leaked into a small stream. Three hundred days after the​ leak, 55​% of the original amount of the substance remained. Determine the​half-life of this radioactive... more
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College Algebra Algebra 2

08/01/19

Help solve algebra question
The radioactive substance krypton-85 has a decay rate of 6.3% per year. If you have 50 mg of krypton-85, how much will you have after seven years
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College Algebra Algebra 2

08/01/19

Determine whether the function shown is constant, linear, quadratic or none of these.
The function is m(x)=(13)/(6) I know it is not Linear.
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College Algebra Math Study Skills

07/31/19

x+y=7 y+z=9 z+t=13 what is the value of x+t?
X+Y=7Y+Z=9Z+T=13What is the value of X+T?Please show and explain your answers. This question is from the Clep study guide.
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