How do you find an exact value for sin of 40 degrees without using a calculator

What is the equation of the axis of symmetry for the parabola y equals start fraction one over three end fraction left parenthesis x plus one right parenthesis squared minus three?

2/5 of a class are girls. 3/4 of the boys are called Paul. What fraction of the whole class is not called Paul?

If s varies directly as t, and s=8 when t=16, then find t when s=16

Find all the zeroes of the equation. -3x^4 + 27x^2 + 1200 = 0

Find the circumference and the area of a circle with the diameter of 4

Olivia enjoys watching little birds at the many feeders in her yard. She counts how many of them she can see in her yard every morning before she leaves for school. Her data for two weeks can be seen below.

A father leaves money for his four child's one got 1/3 second got 1/6 the third got 2/5 how much did the remaining child get

The two south pole ends of two magnets are touching. which of the following could be concluded

Find the first four iterates of the function f (x) = (x - 5) 2 with an initial value of x0 = 4. a. 4; 19; 645; 12,645 c. 1; 19; 645; 12,645 b. 1; 16; 121; 13,456 d. 4; 16; 121; 13,456

Express in the form n : 1 12 : 2