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3 years ago

Which of the following statements best describes the relationship between a line and a point in a plane?

2 answers:

8 0

Exactly one plane contains a given line and a point not on the line.The statement that best describes the relationship between a line and a point in a plane is that, there is exactly one plane containing a given line and a point not on the line.

Tanzania [10]3 years ago

5 0

A line is an ongoing thing and a point is a specific location .

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What is the <img src="https://tex.z-dn.net/?f=%5Csqrt%5B3%5D%7B7%7D" id="TexFormula1" title="\sqrt[3]{7}" alt="\sqrt[3]{7}" alig

zvonat [6]

The answer you want will be 1.91293\dots

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3 years ago

Solve the triangle A = 2 B = 9 C =8

VARVARA [1.3K]

Answer:

$\begin{gathered} A=\text{ 12}\degree \\ B=\text{ 114}\degree \\ C=54\degree \end{gathered}$

Step-by-step explanation:

To calculate the angles of the given triangle, we can use the law of cosines:

$\begin{gathered} \cos (C)=\frac{a^2+b^2-c^2}{2ab} \\ \cos (A)=\frac{b^2+c^2-a^2}{2bc} \\ \cos (B)=\frac{c^2+a^2-b^2}{2ca} \end{gathered}$

Then, given the sides a=2, b=9, and c=8.

$\begin{gathered} \cos (A)=\frac{9^2+8^2-2^2}{2\cdot9\cdot8} \\ \cos (A)=\frac{141}{144} \\ A=\cos ^{-1}(\frac{141}{144}) \\ A=11.7 \\ \text{ Rounding to the nearest degree:} \\ A=12º \end{gathered}$

For B:

$\begin{gathered} \cos (B)=\frac{8^2+2^2-9^2}{2\cdot8\cdot2} \\ \cos (B)=\frac{13}{32} \\ B=\cos ^{-1}(\frac{13}{32}) \\ B=113.9\degree \\ \text{Rounding:} \\ B=114\degree \end{gathered}$ $\begin{gathered} \cos (C)=\frac{2^2+9^2-8^2}{2\cdot2\cdot9} \\ \cos (C)=\frac{21}{36} \\ C=\cos ^{-1}(\frac{21}{36}) \\ C=54.3 \\ \text{Rounding:} \\ C=\text{ 54}\degree \end{gathered}$

3 0

1 year ago

The height of the building where the wire is attached is 70 feet

Alexeev081 [22]

This is not a question...please rephrase.

3 0

3 years ago

What is the solution to the system of equations? 6x+2y=6 7x+3y=5

Stells [14]

The answer is (2,-3)

4 0

3 years ago

Read 2 more answers

I really need help. Find a. Round to the nearest tenth.

valina [46]

Answer:

a ≈ 1.8

Step-by-step explanation:

a / sin (180 - 105 - 15)° = 2 /sin 105°

a = (2 /sin 105°) x sin 60°

a = (2 / 0.97) x 0.87

a = 1.79 (≈ 1.8)

6 0

3 years ago