Answer:
maybe it's 10.because c is 10,b is 10,and so as s.
hence s is 10 also.
Answer:
none of the above (talk to your teacher about this)
Step-by-step explanation:
If a polynomial has real coefficients, complex roots come in conjugate pairs.
A root of
will have a conjugate of
, which will also be a root.
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Here, it looks like the given root is
, which is different from
. None of the listed choices is the complex conjugate of this value.
The value of
is ...
![-5+\sqrt{3i}=-5+(\sqrt{\dfrac{3}{2}}+\sqrt{\dfrac{3}{2}}i)](https://tex.z-dn.net/?f=-5%2B%5Csqrt%7B3i%7D%3D-5%2B%28%5Csqrt%7B%5Cdfrac%7B3%7D%7B2%7D%7D%2B%5Csqrt%7B%5Cdfrac%7B3%7D%7B2%7D%7Di%29)
so its conjugate is ...
![(-5+\sqrt{3i})^*=-5+\sqrt{\dfrac{3}{2}}-\sqrt{\dfrac{3}{2}}i=\boxed{-5+\sqrt{-3i}}](https://tex.z-dn.net/?f=%28-5%2B%5Csqrt%7B3i%7D%29%5E%2A%3D-5%2B%5Csqrt%7B%5Cdfrac%7B3%7D%7B2%7D%7D-%5Csqrt%7B%5Cdfrac%7B3%7D%7B2%7D%7Di%3D%5Cboxed%7B-5%2B%5Csqrt%7B-3i%7D%7D)
You will note that this is not among the answer choices.
_____
<em>Additional comment</em>
When a problem like this has an error in its presentation, we highly recommend you discuss it with your teacher (to get it corrected or deleted for future students). If you feel you must select one of the (erroneous) answer choices, your computer will probably accept the choice of
, the first one.
Answer:
The answer is 6.
Step-by-step explanation:
You need to have side x + 4 equal side 3x - 8. If you plug 6 into both equations, then you get x + 4 = 910and 3x - 8 = 10. The last side of the triangle equals 6. You then add all three sides together to get 25. 10 + 10 + 5 = 25.
Answer:
im too dumn
Step-by-step explanation: (1x-21)