Using Pythagoras in the first question
c=

which is approximately 16.5
for the second question
we also use Pythagoras

Answer:
Un alambre de acero de 1.5 m se estira 2.0 mm con fuerza F. El diámetro del alambre de acero es 4.0 mm. El módulo de Young del acero es 2.0 x 1011 Nm-2. Determine la fuerza F aplicada sobre el alambre.
Step-by-step explanation:
Answer:
x=3, y= - 2
Step-by-step explanation:
4x + 3y = 6
x-3y= 9
x=9+3y
4.(9+3y)+3y=6
36+12y+3y=6
15y = - 30
y = - 2
=> x= 9+3y
x= 9+ 3.(- 2)
x= 3
Answer:
0.8
Step-by-step explanation:
Answer:
8ab^2(3ab - 2).
Step-by-step explanation:
24a^2b^3 - 16ab^2
= 8ab^2(3ab - 2).