394174837803 x 441870879=?
2 answers:
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Answer:
BE = 72 cm
Step-by-step explanation:
(BPT Theorem)
⇒ 4 =
⇒BE = 18 × 4
∴ BE = 72 cm
Hope this helps...
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Answer:
A.
Step-by-step explanation:
1) to rewrite the given equation:
f(x)=2(x²+4x)-3; ⇔ f(x)=2(x²+4x+4)-3-8; ⇔ f(x)=2(x²+4x+4)-11; ⇔ f(x)=2(x+2)²-11;
2) the roots are:
3) finally, the correct answer is A.