Answer:
count that many 9s by the number your multiplying by.
Step-by-step explanation:
so example think of it like this =
9 x 9
9 + 9 + 9 + 9 + 9 + 9 + 9 + 9 + 9 = 81
9 x 9 = 81
that easy ! just add the amount of 9s to the number your multiplying by . if u still need help, go on You Tube and search MathAntics .. he explains every different types of math amazing !
Answer:
If it has a diameter of 10, divide it by 2 to get Radius (5) because Area = πr²
Then you do r * π *r which would be 78.5. so C is your answer.
Step-by-step explanation:
Answer:
1.) $1
2.)$4
3.)$12
4.)3/4
Step-by-step explanation:
32(.5)=16
she had 16 left after lunch. 16(.25)=4
16-4=12
1/2=2/4
2/4+1/4=3/4
Answer:
17.5
Step-by-step explanation:
2:5
7 divided by 2 is 3.5
The difference is 3.5, now times each side by 3.5
7 inches:17.5 miles