Answewhat are you spost to figur out?
Step-by-step explanation:
Answer:
B) 
Step-by-step explanation:
So basically it's divided into 3 similar triangles and using ratios we can try to find x
long side/short side = long side/short side
(20)/(x) = (x)/(15)
= 300
x = 
I really hope I didn't make that too complicated-
Answer:
3 1/2
21/4
Step-by-step explanation:
3 1/2= 7/2= 7 divided by 2=
21/4=21 divided by 4=
![\sqrt[4]{21}](https://tex.z-dn.net/?f=%5Csqrt%5B4%5D%7B21%7D)
4 goes into 21, five times which is 5 1/4
![\sqrt[2]{7}](https://tex.z-dn.net/?f=%5Csqrt%5B2%5D%7B7%7D)
2 goes into 7, six times which is 6 1/2
Hope this helps you whith Fractions
3
In a parallelogram, the diagonals (the lines inside from corner to corner) bisect each other. That means the two halves of the diagonal are equal to each other.
So
-9-6x=x-30
-9-6x+6x=x-30+6x
-9=7x-30
21=7x
x=3
Answer:
associative
Step-by-step explanation: