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3 years ago

Explain how you would plot point m (-4,6)on the coordinate plane

Mathematics

2 answers:

Marina86 [1]3 years ago

3 0

Graph the -4 on the X-axis, and the 6 on the Y-axis

~theLocoCoco

IceJOKER [234]3 years ago

3 0

Answer:

I added a picture of a coordinate plane below.

First of all, you should know that the first number should always be on the X-axis, and the second is always on the y-axis.

The x-axis is the horizontal line. The y-axis is the vertical line.

I have this little trick that will help you find the place to put the dot:

So, now you have to look for -4 on the x-axis. Put your finger on it.

Now, search for 6 on the y-axis. Put your finger on there once you found it.

Finally, push your finger on the -4 up, and push up your finger on 6 until they meet. That's where your dot will go.

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3 years ago

To the nearest tenth, what is the area of the shaded segment when BN = 8 ft?

laila [671]

Answer:

Step-by-step explanation:

Answer is

39.3 ft²

======

We need to find the area of that sector of the circle.

Then we subtract that by the area of the ΔBNW.

Area of a sector of a circle where \theta is the cent. ang of the sector (in degrees) and r is the radius:

A_{\text{sector}} = \pi r^2 \frac{\theta}{360}

We know that the radius is 8 ft; it is given to us. The central angle is also given as 120°

Number crunching:

\begin{aligned}
A_{\text{sector}} &= \pi(8)^2 \frac{120}{360} \\
&= 64 \pi \cdot \frac{1}{3} \\
&= \frac{64}{3}\pi
\end{aligned}

Area of a triangle is given by

A_{\text{triangle}} = \frac{1}{2}ab\sin C

where a and b are sides that are not opposite to angle C.

Well we know two sides of the triangle; they're identical sides because they're both the same length of the radius. We also know an angle in the triangle that is not opposite to either of our known sides.

C = 120° and a = b = 8 ft, therefore

\begin{aligned}
A_{\text{triangle}} &= \tfrac{1}{2}(8)(8) \sin120 \\
&= 32\sin 120
\end{aligned}

Area of the shaded segment (use a calculator, degree mode)

\begin{aligned}
A_\text{shaded} &= A_{\text{sector}} - A_{\text{triangle}} \\
&= \tfrac{64}{3}\pi - 32\sin 120 \\
&= 39.3\text{ ft}^2
\end{aligned}

Read more on Brainly.com - brainly.com/question/4113822#readmore

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3 years ago

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3 years ago

Read 2 more answers

Explain how you would plot point m (-4,6)on the coordinate plane​

Explain how you would plot point m (-4,6)on the coordinate plane