4,322 Answered Questions for the topic College Algebra

College Algebra

09/27/20

college algebra word problem

Use the formula A=1/2 bh find the height to the nearest tenth of a triangle with a base of 15 and an area of 110
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College Algebra

09/27/20

College algebra word problems
The volume formula for a cylinder is V = π r 2h. Using the symbol π in your answer, find the volume of a cylinder with a radius, r, of 3 cm and a height of 17 cm
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College Algebra

09/27/20

college algebra word problem

Use the formula V = π r2h to find the radius of a cylinder with a height of 43 and a volume of 172 π
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College Algebra Math Algebra

09/25/20

I need help please!!
Step 1. Read the problem. Make sure all the words and ideas are understood. Step 2. Identify what we are looking for. Step 3. Name what we are looking for. Choose a variable to represent that... more
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College Algebra Algebra 1 Algebra 2 Calculus

09/25/20

Alan and Bill are going to have a 400-meter race, but Alan gets a head start because he is slower. Their best times of the season are 82 seconds and 76 seconds
Alan and Bill are going to have a 400-meter race, but Alan gets a head start because he is slower. Their best times of the season are 82 seconds and 76 seconds, respectively. How much (distance in... more
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College Algebra

09/24/20

College algebra word problem
A = P(1 + rt) is used to find the principal amount P deposited, earning r% interest, for t years. Use this to find what principal amount P David invested at a 4% rate for 15 yr if A = 10,000
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College Algebra

09/24/20

college algebra word problem

A chemistry teacher needs to mix a 20% salt solution with a 80% salt solution to make 25 qt of a 32% salt solution. How many quarts of each solution should the teacher mix to get the desired result?
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College Algebra

09/24/20

College algebra word problem

A wireless carrier offers the following plans that a person is considering.The Family Plan: $80 monthly fee, unlimited talk and text on up to 5 lines, and data charges of $40 for each device for up... more
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College Algebra

09/24/20

College algebra word problem

Paul has $70,000 to invest. His intent is to earn 12% interest on his investment. He can invest part of his money at 8% interest and part at 13% interest. How much does Paul need to invest in each... more
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College Algebra

09/24/20

College algebra word problem

Two planes fly in opposite directions. One travels 550 mi/h and the other 450 mi/h. How long will it take before they are 9,000 mi apart?
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College Algebra

09/24/20

College algebra word problem
A retired woman has $80,000 to invest but needs to make $9,000 a year from the interest to meet certain living expenses. One bond investment pays 15% annual interest. The rest of it she wants to... more
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College Algebra

09/24/20

college algebra word problem

A wireless carrier offers the following plans that a person is considering.The Family Plan: $120 monthly fee, unlimited talk and text on up to 5 lines, and data charges of $30 for each device for... more
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College Algebra

09/24/20

College Algebra word problem

Mark and Don are planning to sell each of their marble collections at a garage sale. If Don has 4 more than 3 times the number of marbles Mark has, how many does each boy have to sell if the total... more
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College Algebra Math

09/24/20

The area of a certain desert​ (Desert 1) is nine times the area of another desert​ (Desert 2). If the sum 40,000,000 of their areas is square​ miles, find the area of each desert
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College Algebra

09/24/20

word problems in algebra
It takes a boy 60 minutes to mow the lawn, but his sister can mow it in 40 minutes. How long would it take them to mow the lawn if they worked together, using two lawn mowers?  min
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College Algebra

09/24/20

word problems in algebra
A farmer plans to use 180 feet of fencing to enclose a rectangular region, using part of a straight river bank instead of fencing as one side of the rectangle, as shown in the figure.(a) Find the... more
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College Algebra

09/24/20

word problems in algebra
A runner starts at the beginning of a runners' path and runs at a constant rate of 6 mi/hr. Fifteen minutes later a second runner begins at the same point, running at a rate of 8 mi/hr and... more
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College Algebra

09/24/20

word problems in algebra
A pharmacist is to prepare 15 milliliters of special eye drops for a glaucoma patient. The eye-drop solution must have a 4% active ingredient, but the pharmacist only has 10% solution... more
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College Algebra

09/24/20

word problems in algebra
Six hundred people attended the premiere of a motion picture. Adult tickets cost $9, and children were admitted for $2. If box office receipts totaled $4910, how many children attended the premiere?
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College Algebra

09/24/20

word problems in algebra
An algebra student has won $510,000 in a lottery and wishes to deposit it in savings accounts in two financial institutions. One account pays 9% simple interest, but deposits are insured only to... more
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College Algebra

09/24/20

Word problems in Algebra
A couple does not wish to spend more than $70 for dinner at a restaurant. If a sales tax of 8% is added to the bill and they plan to tip 20% after the tax has been added, what is the most they can... more
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College Algebra

09/24/20

word problems in Algebra
A student in an algebra course has test scores of 71, 83, 79, and 84. What score on the next test will raise the student's average to 82?
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College Algebra Math Algebra 1 Graph

09/24/20

college algebra

Starting with the graph of f(x)=2x, write the formula for the function that results from(a) shifting f(x) 1 units downward. y=   (b) shifting f(x) 1 units to the right. y=   (c)... more
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College Algebra

09/23/20

Anurse mixes 80 cc of a 45% saline solution with a 10% saline solution to produce a 20% saline solution. How much of the 10% solution should he use?
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College Algebra

09/23/20

w is greater than or equal to 0 and less than 7
I would like to know how to get the answer along with the answer. Thanks.
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