Prove that cosx. cosy-sinx. siny = cos (x+y)

The first ferris wheel was built in 1893. Its diameter was 250 feet. How many feet did the ferris wheel rotate with one complete turn. Include youre unit of mesuere with youre answer

How do I expand 1/6 (18X_24)

Blueprint paper can be purchased in a roll that is 36 inches wide. If unrolled, the paper would extend 150 feet in length. What is the total area of the blueprint paper in square feet?

computer can do a computation in 6.8 x 10 to the negative 9th power seconds. how many computations can the computer do in 5 minutes

if tom spins the spinner 80 times work out an estimate for the number of times the spinner will land on 3

A machine fills cans of soda which are labeled 12 ounces, according to a normal distribution with mean 12.1 ounces and standard deviation 0.1 ounces.

Let's say that 64% the people on an island are get a rash when they touch a poisonous plant. studies have shown that these people must have at least one copy of a particular dominant allele.

What is the solution to the equation square root 2x+10 - 6=2

The sum of three consecutive odd numbers is 105 what is the smallest out of the three

State whether the data are best described as a population or a sample. To estimate size of trout in a lake, an angler records the weight of 11 trout he catches over a weekend.