364 Answered Questions for the topic College Math

08/14/18

math equation
define variables, write an equation, and then use the equation in the solving process.   A building has a ramp to its front doors to accommodate the handicapped. If the distance from the building... more
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College Math Word Problem

08/14/18

Math problem
 define variables, write an equation, and then use the equation in the solving process.On a sunny day, a flag pole and its shadow form the sides of a right triangle. If the hypotenuse is 50 m long... more
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College Math Word Problem

08/14/18

Math word problem
define variables, write an equation, and then use the equation in the solving process.     Martha can rake the leaves in her yard in 6 hours. Her younger brother can do the job in 7 hours. How... more
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College Math Exponential Equations

08/13/18

Exponential Equations
Find the time it takes for $6,700 to double when invested at an annual interest rate of 18%, compounded continuously. ____________________years   Find the time it takes for $670,000 to double when... more
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College Math Exponential Equations

08/13/18

Exponential Equations with like bases and by guess and check
Substance                       Use                               Half-lifegallium-67               nuclear medicine                   80 hours cobalt-60                ... more
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College Math Algebra

08/10/18

Word problem
A store sells two brands on peanut butter. One brand sells for $4.65 per jar while a no-name brand sells for $4.15 per jar. If there were 240 jars of peanut butter sold for a total of $1048.00, how... more
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College Math College Algebra

08/10/18

Not sure how to handle this
An inventory of two types of widgets showed a total of 50 widgets with a total value of $1700. If widget A cost $20 each and widget B cost $45 each, how many of each widget was in inventory?
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08/08/18

Exponential Functions math word problem
A bacteria culture starts with 620620 bacteria and grows at a rate proportional to its size. After 44 hours there will be 24802480 bacteria.   1) Express the population P after t hours as a... more
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08/08/18

Exponential Functions word problem
A person invested $3,500 in an account earning a nominal 7% per year compounded continuously. How much was in the account at the end of 5 years?A(t)=Pert   $_________ please round answer to 2... more
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College Math Exponential Functions

07/30/18

Exponential Functions
The population of a city was about 1.78 thousand in the year 2014, with an annual growth rate of about 1.3%. This situation is represented by the growth function P(t)=1.78(1.013)t, where t is the... more
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07/30/18

solving Rational Equations
Suppose that z varies jointly with x and y. Find the constant of proportionality k if z = 25.2 when y = 2 and x = 7. k = Using the k from above write the variation equation in terms of x and y. z... more
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07/28/18

Linear equation for attendance.
 A local theme park found that if the price of admission was $13 , the attendance was about 1950 customers per week. When the price of admission was dropped to $9 , attendance increased to about... more
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College Math Exponential Functions

07/27/18

Exponential Functions
If we invest $4,000.00 in an investment account paying 1% interest compounded monthly, how much will the account be worth in 7 years? A(t)=P(1+r/n)nt   the account in 7 years will be worth _______
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07/27/18

Exponential Functions word problem
A 529 Plan is a college-savings plan that allows relatives to invest money to pay for a child's future college tuition; the account grows tax-free. Lily wants to set up a 529 account for her new... more
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College Math

07/01/18

If the net price of a stove is $900 and the trade discount rate is 40 percent, the list price is:
a. $3,600b. $2,250c. $1,500d. $1,260e. $1,440
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College Math Algebra Weekly Assignment

06/01/18

Solve this is 1/4 of x is 6= show work
I need help for my weekly assignment college math class in algebra please 
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05/14/18

Use the formulas shown to write the company's profit function, P, from producing and selling x radios.
The formulas below are the cost and revenue functions for a company that manufactures and sells small radios.a. Use the formulas shown to write the company's profit function, P, from producing and... more
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04/29/18

Logarithim Question
Solve the Equations   1.log x=6   I got 100,000 but I am just checking to see if I am correct   2. log(lower)5 (regular)5^3   I got 3  
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04/26/18

Help with this word problem, I'm confused.
The first aircraft has 69 more seats than the second aircraft. The third aircraft has 30 fewer seats than the second aircraft. If their total number of seats is 372, find the number of seats for... more
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04/23/18

College math
A cannon ball is launched into the air with an upward velocity of 396 feet per second, from a 11-foot tall cannon. The height h of the cannon ball after t seconds can be found using the equation... more
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04/23/18

College math
A patient has an illness that typically lasts about 24 hours. The temperature, T, in degrees Fahrenheit, of the patient t hours after the illness begins is given by: T(t)=−0.03t^2+0.696t+98.3Round... more
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04/23/18

Length and width of a rectangle
A rectangle is drawn so the width is 7 inches longer than the height. If the rectangle's diagonal measurement is 17 inches, find the height.   Give your answer rounded to 1 decimal place.
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04/03/18

The half life of a radioactive element is 23 days. How long until 21% of the initial amount remains? Include units in your answer?
The half life of a radioactive element is 23 days. How long until 21% of the initial amount remains? Include units in your answer?
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College Math

03/31/18

If a high school employs 8 teachers for every 75 ​students, how many students are in the school if it employs 184 ​teachers?
i ned helpppppppppppp
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03/27/18

Word problem
A certain species of birds was introduced in a certain county 25 years ago. The population doubles every 10 years, and now the population is 13,000. a) What was the initial size of the population?... more
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