Sec theta/2 = cos theta/2

find all solutions of the equation; find solutions in the interval [0, 2pie)

The produce each product unit, the company spends $2.55 on material and $2.85 on labor. Its total fixed cost is $6000. Each unit sells for $7.05. What is the smallest number of units that must be sold for the company to realize a profit?

Students are selling hand made magnets at the school craft fair one magnet cost $ 0.30, 2 magnets cost $ 0.43, 3 magnets cost $ 0.56, and 4 magnets cost $ 0.69 if this pattern continues how much will 6 magnets cost explain how you found your answer

Zoey is making bracelets for her friends. each bracelet takes 5/6 foot of string. how much string will zoey need to make 12 bracelets?

A cheetah runs at a speed of 49 miles for every hour. If the distance traveled, in miles, is d and time, in hours, is t, which equation shows the relationship between d and t? d = 49 + t t = 49 + d d = 49t t = 49d

Twice the difference of 3x and y increased by 5 times the sum of x and 2y

Give an example of an addition problem in which you would and would not group the addenda differently to add

Solve for x. Round to the nearest hundredth. 3log (X) = 3.3. In (x) - 7=-3.2. 10e^x=140. 10^2x=33.

Ebony Lifts weights 3/4 hours a day five days a week. Adam lifts weights 1/2 as long 2 days a week and twice as long 3 days a week. How many hours does Adam lifts weights each week?

How do you factor 8x+56?

A manufacturer has tested 11 lithium-ion batteries, and finds that their lifetime is 400 charge cycles with a standard deviation of 10. An engineer is testing a cheaper design and wants to know if it has changed battery life.