What is the perimeter and area of a rectangle with sides equal to 4cm and 9cm?
The perimeter of the rectangle is 26cm perimeter = adding up all the sides 4cm + 4cm + 9cm + 9cm = 26 The area of the rectangle is 36cm^2 (squared) area of a rectangle = length x width 4cm x 9cm = 36cm^2
Use the words "there", "their" and "they're" correctly in sentences.
- I would love to go there one day. (pertaining to a certain place) - They love that dog but it isn't theirs. (their is possessive, something that belongs to someone) - They're just going through a very hard time. (they're = they + are)
Use your knowledge of equations to answer the following question. Solve for x. -4 + 3x = 17
Solving for x: -4 + 3x = 17 first move the 4 over to the other side (because we are isolating x); -4 becomes +4 3x = 17 +4 3x = 21 divide both sides by 3 x = 7