10% of 320 = 32
So 9.8% of 320 should be some number between 31 and 32
Just use the definitions and put them in order to explain the problem.m. for instance. why are angles a and b vertical angles? they are adjacent and they are supplementary.
Answer:
8
Step-by-step explanation:
let the numbers be x,x+1,x+2
x+x+1+x+2=27
3x+3=27
3x=27-3=24
x=24/3=8
Answer:
4/8 = 20/x
20 x 8 = 160
160 ÷ 4 = 40
the student will attend 40 weeks of school
Answer: C
Step-by-step explanation: If B is the set of colleges that have a physics department.
B’ is the set of colleges that do not have a physics department.
U is the union, so we are going to put every element from A and B' together. It can be translated as OR.
A U B’ is the set of elements in a country that have a hockey team (A) or do not have a physics department (B’)
.
