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## Algebra Answers

if x+1/x=5 then (x^4+1/x^2)/(x^2-3x+1)

y = 0.343t2+ 11.74t+5.17 where t = Time of day (hour) and y = Temperature (in degrees) The times are the hours since midnight. For instance, 7 means 7 am, and 13 means 1 pm. (a)Using...

Based on data about the growth of a variety of ornamental cherry trees, the following logarithmic model about these trees was determined: h(t) = 5.5 ln(t) + 8.105, where t = age of tree...

The current population of a small city is 22000 people. Due to a loss of jobs, the population is decreasing by an average of 200 people per year. How many years (from now) will it take for the population...

i need to solve for the quadratic equation 5s^2=45 im assuming i would need to write the equation in the form of ax^2+bx+c=0 ,but am not sure how.   'I need to factor completely...

Find the composite function (f o g)(x) and simplify the results

Each person, in an IT department of 60 people, works on at least one of 3 major projects: system security, program implementation, platform development. 23 people work on system security, 28 work...

We can use the formula r=√S/12.6 to relate a ball's surface area S (in square inches) to its radius r (in inches). Suppose a ball has a surface area of 415.8 square inches. What is its radius?