Answer:
1 = 21 m
2 = 120 cm
3 = 84 cm
4 = 3 km
5 = 10 m
6 = 55 mm
7 = 60 cm
8 = 500 mm
Step-by-step explanation: you see where it says "perimeter = 3s" right? for each question you have to replace "s" with the number given so for the first one it would be 3 x 7. You had to do the same thing with the others but sometimes we get confused in math :D
Answer:
6) AC could equal BD if ABCD were a square OR ABCD could be a rectangle.
7) I can't read all of #7
Step-by-step explanation:
Answer:
2.5 = X
Step-by-step explanation:
2.5^3 = 15.7 rounded up to 16
2 + 16 = 18
have a nice day and mark me brainliest! :)
Answer:
Answer is C. 3s + 9
Step-by-step explanation:
The perimeter is the sum of all 3 sides in a triangle
which is s+3 + s+3 + s+3
= 3s + 9
D. $67.90 would be your answer. Hope this helps and good luck darling!