9x^2-16y^2=
(3x+4y)(3x-4y)
P=4s
s=p/4
a=s^2, using s found above
a=p^2/16, we were told that p=40 so
a=40^2/16
a=100 in^2
Answer:
3.9
Step-by-step explanation:
(76-62.10)÷3.55=3.91...
=3.9 (correct to nearest tenth)
Answer:
Step-by-step explanation:
(4x+3)²÷(x-10)
=(16x²+24x+9)÷(x-10)
x-10) 16x²+24x+9 (16x+184
16x²-160x
- +
------------------
184x+9
184x-1840
- +
----------------
1849
----------------
