1,642 Answered Questions for the topic Math Help For College

Math Help For College Math Precalculus Math Help

10/30/17

Find an nth degree polynomial function with real coefficients satisfying the given conditions
n=3     -2, and -2+3i are zeros   leading coefficient is 1
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Math Help For College

10/29/17

Suppose an initial population of 28 million people increases at a continuous percent rate of 1.8 % per year since the year 2000.
NEED ANSWERS FOR a-c   a.) Determine the function f that give the population (in millions) in terms of the number of years t since 2000.b.) Determine the population in the year 2019.c.) What is... more
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10/27/17

Maximums and Revenue
The demand function for a product is p=32-2q where p is the price in dollars when q units are demanded. Find the level of production that maximizes the total revenue and determine the maximum... more
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Math Help For College Math College Algebra Maximum Value

10/26/17

Maximum Area
You have 32 feet of fencing available to enclose a rectangular area bordering a river for a family of ducks. If no fencing is required along the river, find the dimensions of the enclosure that... more
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Math Help For College

10/26/17

((x-(5-i)(x-(5+i))(x-square root 14)(x+square root 14)
How do I get to f(x)=x^4-10x^3+12x^2-140x-364
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Math Help For College

10/26/17

Andy makes 20% more than Bob per paycheck. Carl makes 60% less than Bob per paycheck. Find the following. Draw a picture to demonstrate this problem.
Carl makes ___________ of Andy's paycheck.  Carl makes ___________ less than Andy's paycheck.  Andy makes __________ of Carl's paycheck.  Andy makes __________ more than Carl's paycheck. 
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Math Help For College

10/24/17

One number is 3 more than another. The difference between their squares is 93. What are the numbers?
One number is 3 more than another. The difference between their squares is 93. What are the numbers
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Math Help For College

10/20/17

Fill in the blanks
1. Your original Vitamin D intake was 8 micrograms and the doctor recommended you decrease your intake by 69%. Question: Part A:    Percent change in daily intake= ______%                Part... more
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Math Help For College

10/20/17

The value of Melvin's Alpha Biotechnology stock in 2013 is how many times as large as the value of his stock in 2014?
  In 2008 Melvin thought that he was making a sound investment by buying $100,000 worth of Alpha Biotechnology stock. Unfortunately, his investment has depreciated, losing 13% of its current value... more
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Math Help For College

10/20/17

For Job A, the salary for year 1 is $29,000 while the salary for year 2 will be $31,175.
Question for Job A: The salary in year 2 is ____% of the salary in year 1.     Question 2:  For Job B, the salary for Year 1 is $27,500 while the salary for Year 2 will be $28,600.   The... more
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Math Help For College

10/20/17

In what year did the town of Somers Point have a population of 9265 people?
The following functions give the population of three towns in terms of the number of years, t, since 1995. Use this information to answer the following questions.   Let S represent the population... more
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Math Help For College

10/20/17

What is this 1-year percent change?
The following functions give the population of three towns in terms of the number of years, t, since 1995. Use this information to answer the following questions.Let L represent the population of... more
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Math Help For College

10/20/17

A 45 mg of a vaccine is given to a patient to prevent measles. The vaccine leaves the body at a rate of 4.6% per hour.
Use your graphing calculator to determine how many hours passed before there were only 5mg of the vaccine remaining in the body.
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Math Help For College

10/20/17

Define a function to represent the situation
An air freshener starts with 35 grams and evaporates. In each of the following situations define a function that gives the remaining mass of the air freshener (in grams) in terms of the number of... more
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Math Help For College Math

10/20/17

The population of a town today is 40000 people.
If the population decreases with a constant rate of change and the decrease is 6% in the first year, what will the town's population be in 10 years?
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Math Help For College

10/19/17

Bob can row 9mph...
Bob can row 9 mph in still water. The total time to travel downstream and return upstream to the starting point is 3 hours and 36 minutes. If the total distance downstream and back is 26 miles,... more
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Math Help For College

10/19/17

One inlet pipe can
One inlet pipe can fill an empty pool in 8 hours, and a drain can empty the pool in 12 hours. How long will it take the pipe to fill the pool if the drain is left open?
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Math Help For College

10/19/17

Betty can mow a lawn...
Betty can mow a lawn in 40 minutes. Melissa can mow the same lawn in 60 minutes. How long does it take for both Betty and Melissa to mow the lawn if they are working together? Express your answer... more
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Math Help For College

10/19/17

Find the number.
If the same number is subtracted from both the numerator and the denominator of 5/9, the result is 1/3. Find the number. Find the number
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Math Help For College

10/19/17

What would the annual rate of interest have to be?
Chester hopes to earn $1200in interest in 3.3years time from $96,000that he has available to invest. To decide if it's feasible to do this by investing in an account that compounds daily, he needs... more
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Math Help For College

10/18/17

Confidence Intervals
Twenty-five seniors from a large metropolitan area school district volunteer to allow their math SAT test scores to be used in a study. These 25 seniors had a mean math SAT score of = 450. Suppose... more
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Math Help For College Math

10/18/17

In a certain year, the average email user sent or receive 110 emails each day. The number of emails received was 5 more than twice number sent. How many were
For each day, how many emails were sent and how many emails were received 
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Math Help For College

10/13/17

After paying income taxes of 48%, Megan's annual take-home income was $21,840. Calculate her income before taxes.
 Please include the steps you did 
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Math Help For College

10/13/17

charged her a tax of $39.00 . The manager explained to her that the restaurant charges 13% HST on the amount as per the rules of the province of Ontario.
calculate the cost of the meal before taxes   calculate the total cost of the meal including HST 
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Math Help For College

10/13/17

Home insurance is exempt from GST and only 8.00% PST is payable for such services in Ontario. If the insurance cost of a house in Ontario including taxes is $79
Having difficulty on understanding the correct steps for this question
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