Answer:
equation is
2(x+10x)=1540
width= 70ft
length= 700ft
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<em>plz</em><em> </em><em>mark</em><em> </em><em>bra</em><em>inliest</em>
Answer:
-11
Step-by-step explanation:
X + 8 = -3
x = -11
11-8
3
-11 - 8 = -3
identity used is
x³ + y³+ z³– 3xyz = (x + y + z) (x² + y² + z² – xy – yz – zx).
then use
(x+y+z)² = x²+y²+z²+2(xy+yz+xz)
225= 83 + 2(xy+yz+xz)
xy+yz+xz = (225-83)/2
xy+yz+xz= 142/2
xy+yz+xz= 71
ok
now use identity
x³ + y³+ z³– 3xyz = (x + y + z) (x² + y² + z² – xy – yz – zx).
now
x³ + y³+ z³– 3xyz = 15 (83 – xy – yz – zx).
= 15[83 - (71)]
= 15×12
=180
What is step 4??? What is the statement?
