Trigonometry

Trigonometric Equations

0 ≤ x ≤ 2 π, solve the equation 4 sec x + 8=0

What is a reasonable estimate of the - 3 4/5 + (-5.25) and the actual value?

Tamara purchased a building for $114,750. The land appreciates about 2.3% each year. What is the value of the land after 11 years?

3. A restaurant charges 6% sales tax on all items sold. Sylvia paid $20 for her check and received $4.63 in change. The equation 20-1.06x = 4.63 can be used to find x, the cost of Sylvia's meal before tax. What was the cost of the meal before tax? A.

What is 157% in a Fraction

It takes an hp printer 12 minutes longer to complete a 576 page print job by itself than it takes a canon printer to complete the same job by itself. Together the two printers can complete the job in 8 minutes.

The sum of three numbers is 185 The second number is 5 times the first. The third number is 13 less than the second. What is the second number?

Based on the generalization in (a) , find the sum of the sequence 9+27+45+6 ... + 117

After n years, the amount of money in William's saving account can be modeled by the function s (n) = 300 (1.0016) 12n, and the amount of money hiding in his desk drawer can be modeled by the function d (n) = 75.

Find the supplement of a 55° angle, in degrees.

Thomas rents a car for his vacation. the mileage included with the rental is 54 miles. For every mile he drives over 54 miles, he needs to pay $1 4/5. If he drives 69 miles, how much extra does he need to pay?