Vocab & Rules
What are the multiplication rules?
(-) * (-) = +
(+) * (+) = +
(-) * (+) = -
What is the answer?
-(9)^2
-81
What do we use to calculate percent increase & percent decrease?
percent increase: 100 + the specific %
percent decrease: 100 - the specific %
I have a 6 sided die & a spinner with three colors (orange, green, blue). What is the probability that I will roll a a even number & orange?
3/18 or 1/6
What is the name of the potion in the movie HP that can turn you into another person? (give your the body of another person)
POLY-JUICE potion
What are the addition & subtraction rules?
- keep, change, change
- same signs add & keep, different signs subtract, keep the sign of the larger number then you will be exact
what is the answer?
-50.5 + 205.5=
155
In a random sample of 55 people at a carnival, 8 people rode the Ferris wheel. There are 7,940 people at the carnival. Based on the results of the sample, how many people at the carnival are expected to ride the Ferris wheel?
& what equation can you use? (round answer)
a/b = c/d
1155
How will we write out theorectical & empirical probability?
In fraction form
7 sisters
What are the 4 main angles we used in geometry?
( Hint: angle types)
supplementary (180)
complementary (90)
acute
obtuse
-8(k-4)
-8k+32
What equation can I use to find the interest of a loan?
I= prt
I have 30 students in my math and 9 of those students play a sport. Out of all 4 of my math classes I have 106 students. I want you to find out how many students will play a sport between all four of my classes!!??!! ROUND YOUR ANSWER!!!!
About 32 students
Name the first two teams who made it to the NFL SUPER BOWL?
Green Bay Packers & Kansas City Chiefs