Why is cos (150⁰) not the same as cos (30⁰) ?

Is this because of the sign values of the cos. trig function that makes it negative in the 2nd quadrant?

Three out of every five cookies on the cookie treat our oatmeal raisin cookies if there are 45 cookies on the tray predict how many oatmeal cookies

A tree casts a shadow 18 feet long. At the same time, a vertical rod 12 feet high casts a shadow 4 feet long. How long is the tree?

In the month of October, the population of a species of fish in a river increased by a factor of 1.05 every day. The function below shows the number of fish in the river f (x) after x days: f (x) = 100 (1.

Why wouldn't the man stand in line to step on the scale? answer?

Ashley has 500 songs in his music player. Every week he adds 10 songs to his collection. How many songs will he have in his music player after 20 weeks? At the end of n weeks, the number of songs is given by the function

Lenora is a college student with a student loan of $7,500. Her tuition is $3,200 per year. She owns $470 worth of text books and a has a laptop computer worth $950. She also has a meal plan at school for which she pays $250 per month.

Solve the linear system of equations using addition. Graph the equations to verify your solution. - 4x=y+3 y = - 4 x - 3

Each costume needs 46 cm oc red ribbon and 3 times as much in yellow ribbon. What is thevtotal length of ribbon needed for 64 costumes? Ecpress yohr answer in meters.

Choose all the factors of 12. (Check all that apply.) 1 2 3 4 5 6 7 8 9 10 11 12

How do you show work for this problem? Bananas are $ 0.59/pound a. What is the constant of proportionality? b. How much does 25 pounds of bananas cost?