4,322 Answered Questions for the topic College Algebra

College Algebra

02/01/20

The width of a rectangle is 4 units more than the length. If the area is 60 square units, then find the dimensions of the rectangle

The width of a rectangle is 4 units more than the length. If the area is 60 square units, then find the dimensions of the rectangle
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College Algebra Math

01/30/20

Find an equation of the line that passes through the point (1/2, -2/3) and is perpendicular to the line 4x-8y=1.
I really need help. None of the videos or text book examples are helping
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College Algebra Algebra 2

01/30/20

Intermediate Algebra Question
The written expression, "The distance between x and a" can be translated as |x-a|. Consider the statement, "The distance between x and 5 is 3."A) Think about a number line and find the two numbers... more
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College Algebra Algebra 2

01/30/20

an executive invest $25,000, some at 7% and the rest at 5% annual interest. if he receives an annual return of $1,490, how much is invested at each rate?
an executive invest $25,000, some at 7% and the rest at 5% annual interest. if he receives an annual return of $1,490, how much is invested at each rate?
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College Algebra Algebra 2

01/30/20

Solve the equation for e. C=1/4e•m
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College Algebra Algebra 2

01/30/20

one leg of a right triangle is 42 inches longer than the other leg, and the hypotenuse is 78 inches what is the length of the legs of the triangle
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College Algebra

01/30/20

I only need the set up to the problem. please and thanks
A cell phone plan includes 900 anytime minutes for ​$55 per​ month, plus a​ one-time activation fee of ​$35. Let x represent the number of months and y represent the cost in dollars. Answer parts... more
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College Algebra

01/30/20

What is the slope? -3x+5y=6

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College Algebra

01/29/20

Solve each equation by factoring or by making an appropriate substitution
2t1/3 + 3t1/6 -2 = 0answer is (1/64)
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College Algebra

01/29/20

find the value ,
Let f(x) = x2 − 3 and g(x) = 5x − 4. Find the value, if possible(f/g)(0) =
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College Algebra

01/29/20

Let the function f be defined by the equation y = f(x), where x and f(x) are real numbers. Find the domain of the function. (Enter your answer using interval notation) f(x) = x + 1 x − 2

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College Algebra

01/29/20

what is the doamin of f(x) = x3 − 6x + 7 (using interval notation)
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College Algebra

01/29/20

Find a solution to the linear equation 9x+4y=−36 by filling in the boxes with a valid value of x and y.
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College Algebra Algebra 2

01/29/20

The product of twice a number and 7 is 12
Write each sentence as an expression, equation, or inequality. Use X to represent the unknown number if a variable is not specified.
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College Algebra Algebra 2 Proportions

01/29/20

College student needs help with math
A 170 pound person weighs 85 pounds on Mars. How much would a 15400 pound elephant weigh on Mars
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College Algebra Algebra 2

01/29/20

What is the constant that should be added to the binomial so that it becomes a perfect square​ trinomial? x^2+18x
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College Algebra Algebra 2 Word Problem

01/29/20

College Algebra Word Problem
Linh has obtained scores of 88, 73, and 75 on her midterm algebra exams. If the final exam counts twice as much as a midterm, what score must she make on her final exam to get an average score of... more
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College Algebra Algebra 2

01/28/20

mechanic rates per hour
Two mechanics worked on a car. The first mechanic worked for 20 hours, and the second mechanic worked for 15 hours. Together they charged a total of $3450. What was the rate charged per hour by... more
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College Algebra Algebra 2

01/27/20

Can someone help me with this college algebra 2 word problem?!!
NASA launches a rocket at t=0 seconds. Its height, in meters above sea-level, as a function of time is given by h(t)=−4.9t2+247t+388. Assuming that the rocket will splash down into the ocean, at... more
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College Algebra

01/26/20

Vinegar problems
A chef plans to mix 100% vinegar with Italian dressing the talion dressing contains 4% vinegar the chef wants to make 320 mL of a make sure that contains 13% vinegar how much vinegar and how much... more
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College Algebra

01/25/20

Math 172 , College Algebra
For the function f(x)=5x2−3x+3, evaluate and fully simplify each of the following.f(x+h) =    f(x+h)−f(x)h =  
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College Algebra

01/25/20

What are the points on x-coordinate of 1 whose distance from the point (-2,6) is 5?
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College Algebra Algebra 2

01/22/20

Liner equation word problem
to pass algebra II requires an average of at least 70 on four tests. A student has scores 80, 62, and 73. What possible scores on the fourth test would guarantee this student a passing score in the... more
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College Algebra Algebra 2

01/21/20

How far did she travel to the appointment?
Margaret drove to a business appointment at 50 mph. Her average speed on the return trip was 40 mph. The return trip took 1/4 hr longer because of heavy traffic. How far did she travel to the... more
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College Algebra

01/20/20

One number is 3 more than twice the other number. If the sum of the two numbers is 12, find the two numbers.
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