Trina has two spinners. one spinner has 4 equal sections that are numbered 1 through 4. the other spinner has 5 equal sections that are numbered 1 through 5. trina spins both spinners at the same time.

the random variable x is the sum of the numbers on which the spinners land. what is p(5≤x≤8) ?

enter your answer, in simplest fraction form, in the box

Which function is odd check all that apply a. y=sin x b. y=csc x c. y=cot x d. y=sec x

The rate of decay of a radioactive substance depends upon the amount present initially. the mass y (mg) of the radioactive substance cobalt-60 present in a sample at time t (years) is represented by the exponential equation y=50e −0.1315 t . answer the following questions in complete sentences. 1. how does the exponential equation above compare to the equation for simple interest that is compounded continuously? explain the similarities. 2. what is the initial amount of cobalt-60 in the sample? 2. how much cobalt-60 is left after 8.4 years? show your work. 3. what would be the y-intercept of the graph? what does it represent? 4. after how many years will the amount of cobalt-60 left be 6.25 mg? explain what happens to the cobalt-60 after 50 years? 5. discuss some “real-world” examples and uses of cobalt-60

Arecipe calls for 2 2/4 cups of raisins, but julie only has a 1/4 measuring cup. how many 1/4 cups is needed to measure out 2 2/4 cups of raisins?