Please help Help !!!!!!!

Mathematics

2 answers:

Vilka [71]2 years ago

6 0

I think the correct answer to the question is 9

lesantik [10]2 years ago

3 0

B. 9, we know that this triangle is a 30-60-90 and that c/hypotenuse=2a and b=a√3 so since you know that a=3√3 you can do 3√3 ² which would give you 9 for the hypotenuse

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For $A+\frac{2}{a}-\frac{5}{a}+\frac{1}{a^2}-8a+15$

Combine the fractions $\frac{2}{a} - \frac{5}{a} \ \textgreater \ \mathrm{Apply\:rule}\:\frac{a}{c}\pm \frac{b}{c}=\frac{a\pm \:b}{c} \ \textgreater \ \frac{2-5}{a}$

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Therefore our final answer is $A-\frac{3}{a}+\frac{1}{a^2}-8a+15$

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