4,335 Answered Questions for the topic College Algebra

College Algebra Math Algebra 1 Algebra 2

05/01/20

Changing an equation from Rectangular to Polar
So here's the question:"Write the equation x2 + xy + y2 -2x +4y = -3 in polar coordinates and solve for r"So so far I changed all the x's and y's to polar and used any identities I could to get the... more
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College Algebra Algebra 1 Algebra 2 Prealgebra

05/01/20

Domain, Slope and Y-intercept of a Function

According to Betty a 2 lb. tenderloin roast put in the oven at 425 degrees will take 45 minutes to cook to medium doneness. A 4 lb. tenderloin at the same temperature will take an hour to reach... more
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College Algebra

04/30/20

Find two numbers whose sum 5is and whose product is-50 . Write the answers as integers or simplified fractions.
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College Algebra

04/30/20

For the following​ equation, ​(a) give a table with at least three ordered pairs that are​ solutions, and ​(b) graph the equation.
For the following​ equation, ​(a) give a table with at least three ordered pairs that are​ solutions, and ​(b) graph the equation.y=|x-7|Complete tableX | Y-------------3 |------------7 ... more
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College Algebra

04/30/20

Find the coordinates of the other endpoint of the​ segment
Find the coordinates of the other endpoint of the​ segment, given its midpoint and one endpoint.​ (Hint: Let​ (x,y) be the unknown endpoint. Apply the midpoint​ formula, and solve the two equations... more
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College Algebra

04/30/20

College Algebra
I need help understanding and breaking these questions down please... In 1996, an outbreak of a disease infected 11 people in a large community. By 1997, the number of those infected had grown to... more
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College Algebra Algebra 1 Algebra 2 Prealgebra

04/30/20

Two-Part Mixture Math Problem (Algebra)
A grocer sells one grade of ground beef at 3.95 per pound and another grade at 4.20 per pound. He wants to mix the two grades at 4.15 per pound. What percentage of each grade should he use?
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College Algebra Quadratic Equation

04/30/20

quadratic equation
The area of a rectangular book shelf is 28 square feet. The length is 2 feet longer than the width. What are the dimensions of the book shelf to the nearest tenth?(a) Draw and label an appropriate... more
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College Algebra Math Algebra

04/29/20

linear function

You and your company partner are researching how many coffee mugs must be produced and sold for maximum revenue. After extensive research, you concluded that you could give away 50 coffee mugs... more
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College Algebra Algebra 1 Algebra 2 Calculus

04/28/20

How much should she invest into each one?
Julie has $8,000 to invest, and hopes to earn $330 in interest in the first year. She wants her investment in treasury bills to be $3000 less than her investment into corporate bonds. The expected... more
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College Algebra Algebra 1 Algebra 2 Calculus

04/28/20

Determine which of the following is a solution to the system of equations
Determine which of the following is a solution to the system of equations3x − 3y + 6z = 6x + 2y − z = 5 5x − 8y + 13z = 7a. (5, 3, 0) Yes or Nob. (−2, 6, 5) Yes or No(thank you in advance!!!!)
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College Algebra

04/27/20

write a system of equations with a give solution set
Linear equations with (-3,-9) as its solution
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College Algebra Algebra 1 Algebra 2 Calculus

04/27/20

FInd the inverse thanks in advance
Find the inverse of 𝑓(𝑥) = 1 / (𝑥+7) and then verify your result .(Show that (𝑓 ∘ 𝑓 −1 )(𝑥) = 𝑥 and (𝑓 −1 ∘ 𝑓)(𝑥) = 𝑥.)
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College Algebra Algebra 1 Algebra 2 Calculus

04/27/20

Write as a single logarithm and simplify.
Write as a single logarithm and simplify. Do not evaluate with a calculator. a. ) log(52x) – 2 log (2y) – log (4x) b.) 4 ln 5 – ln 15 + ln 2
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College Algebra Algebra 1 Algebra 2 Calculus

04/27/20

expand completely
expand completely using the properties of logarithms.𝑙𝑛 ( 𝑥 ^2 𝑦^ 4 / √𝑥−1 )𝑙𝑜𝑔2 ( 𝑥 5 / √𝑦𝑧 4 )
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College Algebra Algebra 1 Algebra 2 Calculus

04/27/20

THANK YOU IN ADVANCE!!
If you invest $2100 in a money market account at an annual interest rate of 6.7%: a. How much money will you have in the account at the end of 5 years if it is compounded quarterly?... more
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College Algebra Algebra 1 Algebra 2 Calculus

04/27/20

determine the function.
The profit of Spacely’s SprocketsTM at time t is calculated by the function 𝑃(𝑡) = 156(3𝑡 + 2)^1/ 2, where P is measured in millions of dollar. The Number of sprockets in production is calculated... more
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College Algebra

04/27/20

You invested a total of $15,000 at 4 1 2 % and 5% simple interest. During one year, the two accounts earned $715. How much did you invest in each account?
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College Algebra Algebra 1 Algebra 2 Algebra

04/25/20

Find the Domain (interval notation), Range (interval notation), and Horizontal Asymptote. Show step by step work.
𝑓(𝑥) = 2^𝑥 − 4Find the Domain (interval notation), Range (interval notation), and Horizontal Asymptote. Show step by step work.What is f(x) when x is -2,-1,0,1,2, and 3? Show step by step work
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College Algebra Math Algebra 1 Algebra 2

04/25/20

Solve the following logarithmic equation. Show step by step work.
Solve the following logarithmic equation. Show step by step work.log4 (𝑥 − 3) = 2 − log4 (𝑥 + 12)
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College Algebra Math Algebra 1 Algebra 2

04/25/20

Solve the following exponential equation. Give an exact answer in terms of the natural logarithm.
Solve the following exponential equation. Give an exact answer in terms of the natural logarithm (other methods will not receive full credit) and a decimal rounded to 3 decimals. Show step by step... more
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College Algebra Math Algebra 1 Algebra 2

04/25/20

Find the height of an aircraft if the atmospheric pressure is 247 millimeters of mercury.
The atmospheric pressure 𝑝 on a balloon or an aircraft decreases with increasing height. This pressure, measured in millimeters of mercury, is related to the height ℎ (in kilometers) above sea... more
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College Algebra Algebra 2

04/25/20

baseball height
a baseball is hit from ground level with an initial velocity of 160 ft per second, then its height is a function of time, given that s=16t2+160t. what is the maximum height reached by the ball
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College Algebra Mathematics

04/24/20

Can you write the standard and general form of the equation of each circle of radius r and center (h,k). Graph each circle : r=2 ; (h,k) = (0,0)
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College Algebra Algebra 2

04/24/20

The point (12,7) Lies on the graph of g(x). What point must lie on the graph of g(4x)?
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