Answer:
don't know SORRY but I will try it
Answer:
(B)
Step-by-step explanation:
Let us denote rectangular tiles by R and square tile by S, then
According to figure.
3 rectangular tiles +2 square tiles +2 square tiles =2 rectangular tiles +4 square tiles +1 rectangular tiles +4 square tiles
∴3R+2S+2R=2R+4S+R+4S
⇒5R+2S=3R+8S
⇒5R-3R=8S-2S
⇒2R=6S
⇒R=3S
Hence, 0ne rectangle =3 square
"Porportional Relationships" means that the rate in which it increases is the same.
For example: 1, 3, 5, 7, 9 is a porportional relationship, because it increases each time by (+2).
Now, look at the first one.
From y to x, y being 2, x being 10, you divided 5 from x to get 2. Next, you divided 6 from 30 to get 5. Because the number dividing is different, it is not proportional
NOT PROPORTIONAL
Look at the second one.
From y to x, y being 12, x being 10, you divided 1.2
Now, look at the next one. 30/25 = 1.2
Finally, the last one. 48/40 = 1.2
Because all of them are 1.2, the answer is proportional
PROPORTIONAL
~
1. Three pairs of congruent angles are:
∠ R ≅ ∠ J
∠ S ≅ ∠ K
∠ T ≅ ∠ L
Three pairs of congruent sides are:
RS ≅ JK
ST ≅ KL
RT ≅ JL
2. RS = NO
3. ∠ L = ∠ P
4. ∠ Q = ∠ M
5. MN = QR
6. ASA Postulate
7. SSS Postulate
8. SAS Postulate
9. AAS Postulate
10. SAS Postulate