It can be expressed by 4(3)+4(9) you take the digit outside of the bracket and multiple by each individual digit inside the bracket.
If the diameter is 100
The radios is 50 so using the formula
C=2π r
the circumferences is:
314.159
Answer:
12 fives
Step-by-step explanation:
6 tens is 60, so 60÷5 is 12
Answer:
7/20
Step-by-step explanation:
To add fractions, the first step is to get a common denominator
1/4 + 1/10
The common denominator is 20
1/4 *5/5 = 5/20
1/10 *2/2 = 2/20
5/20 + 2/20 = 7/20
Answer:
x =2 
Step-by-step explanation:
a2+b2=c2
(10*10)+(8*8)=x