It should b 5.6cm if I’m not mistaken
Answer:
18
Step-by-step explanation:
divide 36 by 2
Answer:
No
Step-by-step explanation:
(-5 + x)( x + 4)= -5*(x+4) +x*(x +4 )
= -5x -20 +x² + 4x
= -5x + 4x + x² -20 = -x + x² -20
= x² - x - 20
(5 + x) (x -4) = 5*(x-4) + x (x-4)
= 5x - 20 + x² - 4x
= 5x - 4x +x² -20 = x + x² - 20
= x² + x - 20
On the left side use distributive property:
3(n) + (3)(4) = -6 + 15n
3n + 12 = -6 + 15n
Subtract 3n:
12 = -6 + 12n
Add 6:
18 = 12n
Divide 12:
18/12 = n
You can simplify it further:
n = 3/2 or 1.5