X = 13
( x + 4) / 51 = (2x - 7) / 57
585 = 45x
585/45 = 45x/45
x = 13
12,5,13 are Pythagorean triplets..
so, missing side will be 12 inches
hope it helps
Hyp^2 = Base^2 + perpendicular^2
Answer is on the attachment. Brainlist pls.
Step-by-step explanation:
Answer:
-4.3
Step-by-step explanation:
5.4 +(-9.7)
= 5.4-9.7
=-4.3
X² + x - 20
= (x+5)(x-4)
x + 5 = 0
x = -5
x - 4 = 0
x = 4
hence the answer is C