4,335 Answered Questions for the topic College Algebra

College Algebra

12/13/19

college algebra
The sum of three numbers is 108. The second number is 4 times the third. The first number is 6 more than the third. What are the numbers?
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College Algebra Math Algebra

12/12/19

Rectangles......
The length of a rectangle is 4 inches longer than it is wide. If the area is 45 square inches, what are the dimensions of the rectangle?
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College Algebra

12/12/19

word equations college algbra
Leila, Felipe, and Eric served a total of 79 orders Monday at the school cafeteria. Felipe served 7 more orders than Leila. Eric served 2 times as many orders as Leila. How many orders did they... more
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College Algebra Math

12/12/19

distance between two points
Calculate the distance between the points =E, (−6,0) and =N, (−2,3) in the coordinate plane.Give an exact answer (not a decimal approximation).
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College Algebra

12/12/19

Solving Rectangle Problems

If the perimeter of a rectangle is 48 cm and the area is 140 square cm then what are the dimension of the rectangle ?
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College Algebra Math

12/12/19

Graphing Question
I need to find all points on the x-axis that are 16 units from the point (6,-8). I’m not sure what formula to use to get an ordered pair.
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College Algebra

12/11/19

Form a polynomial whose zeros and degree are given

Zeros: 5, multiplicity 1, -1, multiplicity 2, Degree 3
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College Algebra

12/11/19

Form the polynomial whose real zeros and degree are given

Zeros: -3,-1,3,5 Degree:4type the polynomial with integer coefficients and a leading coefficient of 1
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College Algebra

12/11/19

The product of the number decreased by 6 and is increased by 2 is 20
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College Algebra

12/10/19

How do you find the equation of an ellipse satisfying the given conditions.

1a) vertices: (-7,0) and (7,0); foci (-3,0) and (3,0)b) vertices: (0,-8) and (0,8); length of minor axis: 10c) foci:(-2,0) and (2,0): length of major axis: 6d) foci: (0,-3) and (0,3): length of... more
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College Algebra Algebra

12/09/19

The perimeter of a rectangular floor is 180 feet. Find the dimensions of the floor if the length is twice the width.
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College Algebra

12/09/19

Suppose that y varies inversely as the square of x, and that y=7 when x=8. What is y when x=9
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College Algebra Math Algebra Mathematics

12/08/19

Find an equation for the line perpendicular
Find an equation for the line perpendicular to 3x+30y=270 and goes through the point (−7,−9).Write your answer in the form y=mx+b.
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College Algebra Math Algebra Mathematics

12/08/19

line parallel...
Find an equation for the line parallel to 4y−32x=20 and goes through the point (−3,7).Write your answer in the form y=mx+b.
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College Algebra Math Algebra

12/08/19

line perpendicular
Write an equation for a line perpendicular to 3y−12x=9 and passing through the point (-4,-2)
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College Algebra Math Algebra

12/08/19

Carlos is 25 years younger than Jessica.
Carlos is 25 years younger than Jessica. 9 years ago, Jessica's age was 2 times Carlos's age. How old is Carlos now?
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College Algebra Math

12/08/19

substitution method
A chemist has an 80% alcohol solution and a 30% alcohol solution. How many liters of each should he use to obtain 5 liters of a 60% alcohol solution?
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College Algebra

12/06/19

Find a formula of the form f( x ) = a ⋅ b^x for the exponential function which satisfies the given conditions: f(3)=1/81 and f(−1)=81.
I can't seem to get it
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College Algebra

12/05/19

The population of Adamsville grew from 8000 to 15000 in 5 years. Assuming uninhibited exponential​ growth, what is the expected population in an additional 3 ​years?
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College Algebra Precalculus

12/05/19

college precalculus question
in a single growing season at the Smith Family Orchard, the average yield per apple tree is 150 apples when the number of trees per acre is 100. For each additional tree over 100, the average yield... more
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College Algebra Algebra

12/05/19

A graphics designer is designing an advertising brochure for an art show
A graphics designer is designing an advertising brochure for an art show. Each page of the brochure is rectangular with an area of 56in^2 and a perimeter of 30 in. Find the dimensions of the... more
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College Algebra

12/04/19

College Algebra
Please help:if f(x)=2x²-5x-6find (f(x+h)-f(x))/h
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College Algebra Math Algebra 2 Calculus

12/04/19

The price of a gallon of milk has been rising about 1.36% per year since 2000.
The price of a gallon of milk has been rising about 1.36% per year since 2000.A.If milk costs $4.70 now, what will it cost next year?B.If milk costs $4.70 now, how long will it take for the price... more
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College Algebra

12/04/19

College Algebra
A Pizzeria sells pizza according to size: small pizzas cost $10, medium pizzas cost $15, and large pizzas cost $40. They usually sell as many small pizzas as medium and large pizzas combined. The... more
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College Algebra

12/03/19

I do not know how to solve this
the sum of the measures of the angles of a triangle is 180. if one angle is six more than two times the smallest angle and the other is three times the smallest angle, what are the measurements of... more
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