Answer:
perimeter= 46
Step-by-step explanation:
(3(3)-2) + (3(3)-2) + (5(3)+1) + (5(3)+1)
7 + 7 + 16 + 16
= 46
135 times because 675 divided by 5 is 135. you would divide the number of her heart beats by the number
Answer:
11
Step-by-step explanation:
| | takes the absolute value of a number so it wouldn't be negative
Answer:
1/3
Step-by-step explanation:
transfer 4 to the other side then the sign will be minus
then divide 1 by 3
which is similar to n:1 where 
<u>Step-by-step explanation:</u>
Here we have to Express in the form n:1 give n as a decimal 21:12 . Let's find out:
Given ratio as 21:12 . Let's convert it into n:1 , where n is decimal
⇒ 
⇒ 
⇒ 
⇒ 
⇒ 
{ dividing denominator & numerator by 4 }
⇒ 
⇒ 
⇒ which is similar to n:1 where
