4,322 Answered Questions for the topic College Algebra

College Algebra Algebra 2

04/23/19

college algebra

In 2005, Bhutan had a population of about 2200000 and an annual growth factor of 1.0211. Let  be the population  years after 2005 assuming growth continues at this rate. (a) Write a formula for... more
College Algebra Math Prealgebra

04/21/19

I need help with this word problem.

A hospital ordered: Promethazine 2 mg/kg of body weight. How many mgs should you give to a 42 lb. post-op child? Round to the nearest hundredth. (1 lb = 0.45 kg)
College Algebra Calculus Functions Algebra Help

04/19/19

I Need Help With Writing a Polynomial Function Equation (College Algebra)

The question asks"Find a degree 4 polynomial having zeros −5, −2, 4 and 5 and the leading coefficient is equal to −2. "P(x)=??? I need help finding the factored form, not simplified.I have tried 3... more
College Algebra Algebra 2

04/18/19

Exponential Equation

Not sure how to solve this .7^x+2=3^x
College Algebra Math

04/15/19

A lake has been measured to have a ‘murkiness’ constant of .04.

A lake has been measured to have a ‘murkiness’ constant of .04. If the intensity of light during the day is 20, how deep would you need to dive into the lake in order for the light’s intensity... more
College Algebra Math Algebra

04/15/19

Graph the function and find the intercepts

College Algebra Math Algebra 2

04/15/19

How can the graph of f(x) = -(x-5)^2+6 be obtained from the graph of y = x^2

How can the graph of f(x) = -(x-5)^2+6 be obtained from the graph of y = x^2
College Algebra Math Algebra 2

04/15/19

The population of a city in 2003 is 60000 and it triples its size every 20 years.

a.)How many people live in the city in 2019? b.)In what year will the city’s population reach 250000?
College Algebra Algebra 2 Chemistry

04/15/19

The radioactive element carbon-14 has a half life of 5750 years. A scientist determined that the bones from a mastodon had lost 61.9% of their carbon 14 how old were the bones at the time they were

The radioactive element carbon-14 has a half life of 5750 years. A scientist determined that the bones from a mastodon had lost 61.9% of their carbon 14 how old were the bones at the time they were... more
College Algebra Algebra 2

04/13/19

Polynomial function

Find a polynomial function of the lowest degree with rational coefficients that has the given numbers as some of its zeros. Square root of three, 4i
College Algebra

04/11/19

How do I solve this?

One integer is 4 less than another. The sum of their squares is 170 . Find the integers.
College Algebra Math Algebra 2

04/09/19

Math question below:

A sample of 500 grams of radioactive lead -210 decays to polonium -210 according to the function A(t) = 500e^(-.032t) where t is time in years. Find the amount of radioactive lead remaining after 8... more
College Algebra Math Algebra 2

04/09/19

Solve: 27^(4x) = 9^(x+1)

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