Part +part = whole
?+.5=4.6
4.6-0.5=4.1
rock A weighs 4.1 kilos
Answer:
30
Step-by-step explanation:
DE=10
AE=12
AD=8
So the perimeter is 30
First, add 2x on both sides. then add 29 on both sides. you want to remove the negatives when you're doing this. now you have 7x equals 56. now you divide 7 on both sides. you want to do this because your isolating the variable. now to get x equals 8.
