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ozzi
3 years ago
15

Which rule best describes the following pattern?

Mathematics
2 answers:
mr Goodwill [35]3 years ago
5 0
I think it is Add 1, add 8, repeat :))
Oksanka [162]3 years ago
3 0

Answer:

Add I, add 9, repeat.

Step-by-step explanation:

It is because if you look at the Add 9 subtract 8, repeat. it won't work

If you look at add 10, subtract 9, repeat. it its just like the first one, it won't work.

If you look at add 1, add 10, repeat, it also won't work from when you are getting 6 to 15.

So if you look at Add I, add 9, repeat., it works for all.

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T object]user: what is the slope of a line that passes through (–4,–13) and (19,11)?
Ray Of Light [21]
<span>Slope is difference in "y" divided by difference in "x"
(–4,–13) (19,11)

slope = (-13 -11) / (-4, -19) = -24 / -23


</span>
8 0
3 years ago
This pre-image was rotated 180° about the origin. Use the segment to draw the image.
PilotLPTM [1.2K]

Answer:

The answer is (1,2) (4,4) (3,7)

Step-by-step explanation:

6 0
3 years ago
HURRY for 100 points
lawyer [7]
I think it’s always cause how can something that’s false be sometimes false or never false
4 0
2 years ago
Which best describes how to solve the equation below?
kirill115 [55]
The answer is C
Divide both sides by 64
You already want to get rid of the number next to the variable when you are trying to solve for x
3 0
3 years ago
I'm having trouble in my trigonometry class... I don't understand the Law of Sines
Alina [70]
I can help! I'm going to tell you really fast, right now. The law of sines is used to find angles of a general triangle.
What it is, is, a/sin A = b/sin B = c/sin C. This is the law. Basically, at the moment, it says sin

Okay, so, first you should identify the right angle. Obviously, it's < C. This means that they hypotenuse, hyp as they use it in class, is opposite it. Side AB.

It gives us the side c, or CB underneath. c=12. Sine is simple to remember, it's the opposite over the hypotenuse.
So first, we should acknowledge that sin A = sin 75°, sin B = sin 26°, and sin C = sin 90°.
So, here we go. sin 75° is opposite to side c, (12), so we line them up like this.
sin 75° sin 26° sin 90°
--------- = --------- = ----------
12 b a

We're going to find side b and side a. Because we're given side c, we can use it in two ways. As an adjacent side, or an opposite side.

Problem here is the hypotenuse, we don't know it. Now, to use sin, we need side a, which is the hypotenuse, we don't have. So we have to find that side first.
We have the adjacent side, (we're using angle B.) and the angle. We have the adjacent, and need the opposite, so for this we're going to use tan.

tan 26°/1 = 12/x
We cross multiply here.
tan 26°x=12.
We need to get x alone, so we divide tan 26° from both sides as so:
tan 26°x=12
------------ ---
tan 26° tan 26°

Dividing tan 26° from 12 will give us 24.60 (Rounded)
So, side b is 24.50.
This helps us a lot now, because we can use that side to find the hypotenuse.
We'll use angle B again, to be consistent, and we'll use sine, opposite/hypotenuse.
Sine 26° 24.50
----------- = ---------
1 x

Just like we did above with tan, we cross multiply, giving us: sin 26°x = 24.50
Divide sin 26° from both sides to get the x alone. sin 26° is .4383711468.
Divide that from 24.50, and we get 55.89 (once again, rounded to the correct number of significant digits.)

So, we have our sides, which was what we needed to figure out. side a is 55.89, and side b is 24.50, and side c is 12.

The Law of Sines corresponds with the Law of Cosines. The key of the Law of Cosines is if you have two angles and a side, you can find out everything else about the triangle.

And that's what we've done.

I hope this made sense, and if it's counted wrong on your test, please forgive me. I'm still fairly new to the Law of Sines.
7 0
3 years ago
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