3 years ago

Please help me?? I am struggling and i need help :?/

Mathematics

2 answers:

12345 [234]3 years ago

8 0

Answer:

ZYX-CBA

Step-by-step explanation:

welcome

Kobotan [32]3 years ago

7 0

Answer:

ZYX- CBA

Step-by-step explanation:

ZYX is backwards

so cba needs to be too

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Solve each equation. 6n+11=-13 and -4(x-5)=8

Luba_88 [7]

Answer:

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Step-by-step explanation:

6 0

3 years ago

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Ad is tangent to circle o at d. find ab. round to the nearest tenth if necessary

Naddik [55]

Check the picture below.

$\bf 0=AB^2+6AB-121\implies \stackrel{\textit{using the quadratic formula}}{AB=\cfrac{-6 \pm \sqrt{6^2-4(1)(-121)}}{2(1)}}
\\\\\\
AB=\cfrac{-6 \pm \sqrt{520}}{2}\implies AB=\cfrac{-6 \pm \sqrt{4\cdot 130}}{2}
\\\\\\
AB=\cfrac{-6 \pm \sqrt{2^2\cdot 130}}{2}\implies AB=\cfrac{-6 \pm 2\sqrt{130}}{2}
\\\\\\
AB=-3\pm\sqrt{130}\implies AB=
\begin{cases}
\boxed{-3+\sqrt{130}}\\\\
-3-\sqrt{130}
\end{cases}$

since the distance AB cannot be a negative value, thus is not -3-√(130).