Answer:
Perimetro = 4 cm + 7 cm + 12 cm
= 23 cm
Step-by-step explanation:
Answer:
it is the second statement x⇒∞ Y⇒ ∞
Step-by-step explanation:
Answer:
1. 7.6 = c
2. 45 = c
Step-by-step explanation:
1. 3^2 + 7^2 = c^2
9 + 49 = c^2
58 = c^2
square root both sides = 7.6 = c
2. 27^2 + 36^2 = c^2
729 + 1296 = c^2
2025 = c^2
square root both sides
c = 45
Answer: x = 2
Step-by-step explanation:

Replace y in the first equation by the value of y in the second equation.
