4,322 Answered Questions for the topic College Algebra

College Algebra

02/09/22

Solve for C: š¹ = 9 5 š¶ + 32

(this is conversion between temperature Fahrenheit and Celsius)
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College Algebra

02/09/22

Use a system of linear equations with two variables and two equations to solve
185 students enrolled in a freshman-level chemistry class. By the end of the semester, 4 times the number of students passed as failed. Find the number of students who passed, and the number of... more
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College Algebra

02/05/22

How do I solve this?
The difference of the squares of two positive consecutive even integers is 84. Find the integers. Use the factā€‹Ā that, if x represents an evenā€‹Ā integer, then x+2 represents the next consecutive even... more
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College Algebra Algebra

02/04/22

Express the rule in function notation. (For example, the rule "square, then subtract 5" is expressed as the function f(x) = x2 āˆ’ 5.) Add 3, take the square root, then divide by 7.
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College Algebra

02/04/22

Find one possible missing coordinate so that the point becomes a solution to the given inequality is (x,7) a solution to 3x-2<y.
show your work explaining how i came about the answer
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College Algebra

02/03/22

College Algebra
After one yearā€‹Ā Jonny's two mutual funds returned a total of ā€‹$13,480. The first fund returned 15ā€‹% and theā€‹second, in which he had invested $4000 more, returned 1ā€‹%. What was the amount... more
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College Algebra

02/03/22

College Algebra
Trent can deliver his newspapers in 10 minutes. It takes Lois 40 minutes to do the same route. How long would it take them to deliver the newspapers if they workā€‹Ā together?
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College Algebra

02/02/22

15% of the class got an A. 6 people got an A. How many kids are in the class?
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College Algebra Science Chemistry Biochemistry

02/02/22

Aqueous sulfuric acid (H2SO4) will react with solid sodium hydroxide (NaOH) to produce aqueous sodium sulfate (Na2SO4) and liquid water (H2O).
SupposeĀ 18. gĀ of sulfuric acid is mixed withĀ 24.3 gĀ of sodium hydroxide. Calculate the minimum mass of sulfuric acid that could be left over by the chemical reaction. Round your answer... more
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02/02/22

Aqueous hydrobromic acid (HBr) will react with solid sodium hydroxide (NaOH) to produce aqueous sodium bromide (NaBr) and liquid water (H2O).

Suppose 46.1 g of hydrobromic acid is mixed with 10. g of sodium hydroxide. Calculate the maximum mass of sodium bromide that could be produced by the chemical reaction. Round your answer... more
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College Algebra

01/31/22

The height of a rectangular box is 8 ft. The length is 2 ft longer than thrice the width x. The volume is 448 ft.
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College Algebra Algebra Mathematics

01/30/22

College Algebra
A newspaper carrier has ā€‹$6.85 in change. He has eight more quarters than dimes but two times as many nickels as quarters. How many coins of each type does heā€‹ have?How many quarters?How many... more
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College Algebra

01/29/22

Find the equation of the line that passes through the pair of points. Write your answer in slope-intercept form.

Find the equation of the line that passes through the pair of points. Write your answer in slope-intercept form. (2,4),(4,3)
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College Algebra

01/29/22

College student in desperate help
My professor is grading us on a 80% of the grade comes from the tests and 20% comes from the homework, if a student gets a 50% in the test but in their homework it's a 80 to 100.... what's the... more
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College Algebra

01/29/22

the year 2005, a total of 7.9 million passengers took a cruise vacation. The global cruise industry has been growing at 7% per year for the last decadeAssume that this growth rate continues
(a)Write a formula for to approximate the the number, N, of cruise passengers(in millions) t years after 2005.b)How many cruise passengers (in millions) are predicted in the year 2010? Answer... more
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College Algebra Math Algebra 1 Algebra 2

01/29/22

Humicide algebra problem (help)
A coroner arrives on the scene of a homicide at 8:00 pm in a temperature-controlled room, held at 60 degrees F. The temperature of the body is given by the functionĀ š‘‡(š‘”)Ā =Ā 28.6š‘’^-0.0008t +Ā 60,... more
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College Algebra Math Algebra 1 Algebra 2

01/29/22

Homicide algebra problem (help please)
A coroner arrives on the scene of a homicide at 8:00 pm in a temperature-controlled room, held at 60 degrees F. The temperature of the body is given by the functionĀ š‘‡(š‘”)Ā =Ā 28.6š‘’^ -0.0008t + 60... more
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College Algebra Math Algebra 1 Algebra 2

01/29/22

Flu Algebra problem (someone help please )
A flu patient is prescribed a course of an antivirus drug. The number of mg of the drug in the bloodstreamĀ š‘”Ā hours after the first dose is taken is given by the functionĀ š“(š‘”)Ā =Ā 400š‘”š‘’^-3ta. Sketch... more
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College Algebra

01/28/22

The difference between two numbers...
The difference between two numbers is 33 . Three times the smaller is equal to 5 more than the larger. What are the numbers?
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College Algebra Math Algebra 1 Algebra 2

01/28/22

Algebra Caffeine problem
Rebecca drinks a cup of coffee every morning at 5:00 am. The amount of caffeine (in mg) in her body as a result of drinking this coffee is given by the functionĀ š“(š‘”)Ā =Ā 200(1/2)^t/6, whereĀ š‘”Ā is time... more
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College Algebra

01/28/22

A small plane flew miles

A small plane flew 916 miles in 4 hours with the wind. Then on the return trip, flying against the wind, it traveled only 548 miles in 4 hours. What were the wind velocity and the speed of... more
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College Algebra Algebra 2

01/27/22

A soda company had sales of $35,137 million in 2010 and $45,954 million in 2014. Use the Midpoint Formula to estimate the sales in 2012. Assume that the sales followed a linear pattern.
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College Algebra Math

01/27/22

While walking in the country, you count 35 heads and 100 feet in a field of cows and geese. How many of each animal are there?
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College Algebra

01/26/22

f (x) =6x+4/ -4x- 10 evaluate f(2)
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College Algebra

01/25/22

a varies directly as b and inversely as the square of c. If a=65 when b=9 and c=7, find a if b=3 and c=8. Round your answer to two decimal places if necessary.
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