Answer:
243cm^3
Step-by-step explanation:
By Pythagoras' Theorem,
height of the prism ^2 + 5.4^2 = 7.8^2
height of the prism = ±√(7.8^2 -5.4^2) = ±5.6285cm (5s.f.) (rej. - 5.6285 since height > 0cm)
volume of the prism = 1/2 x 5.4 x 5.6285 x 16 = 243cm^3 (3s.f.)
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Answer:to determine if a solution is extraneous, we simply plug the solution into the original equation.
Step-by-step explanation:
hope this helps!
<span>Step 1 :</span><span>Simplify 13y2-5yx - 23x2</span><span>
1.1 </span> Factoring <span> 13y2 - 5yx - 8x2</span> Try to factor this multi-variable trinomial using trial and error<span> </span>Found a factorization : (y - x)•(13y + 8x)
Final result :<span> (y - x) • (13y + 8x)</span>