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EleoNora [17]
3 years ago
13

I need help with finding x.

Mathematics
2 answers:
lianna [129]3 years ago
7 0

Answer:

Step-by-step explanation:

x+100+x = 180 (angles in a straight line)

2x=180-100

2x = 80

x =80/2

x = 40

please mark me as the brainliest

hope it helps you.

Pepsi [2]3 years ago
4 0
Get a hint and tell me when you get a hint of where the x and I’ll tell you
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A circle has a radius of 5 in. A central angle that measures 150° cuts off an arc.
marishachu [46]

Answer:

Part 1) The exact value of the arc length is \frac{25}{6}\pi \ in

Part 2) The approximate value of the arc length is 13.1\ in

Step-by-step explanation:

ind the circumference of the circle

The circumference of a circle is equal to

C=2\pi r

we have

r=5\ in

substitute

C=2\pi (5)

C=10\pi\ in

step 2

Find the exact value of the arc length by a central angle of 150 degrees

Remember that the circumference of a circle subtends a central angle of 360 degrees

by proportion

\frac{10\pi}{360} =\frac{x}{150}\\ \\x=10\pi *150/360\\ \\x=\frac{25}{6}\pi \ in

Find the approximate value of the arc length

To find the approximate value, assume

\pi =3.14

substitute

\frac{25}{6}(3.14)=13.1\ in

3 0
3 years ago
Write an negative number whose absolute value is greater than 3
klio [65]

Answer:

4+is the absolute value is greater than 3

4 0
4 years ago
Solve the inequality.<br> - 27&gt; -3(4x-3)
Readme [11.4K]
The answer is 3>x because first you divide by three on both sides leaving you with positive 9>4x-3 then you add three on both side leaving you with 12>4x and lastly you divide four on bottom sides ending with 3>x. 
4 0
3 years ago
30 POINTS! Find an explicit formula for the geometric sequence −1,−7,−49,−343<br> d(n)=
e-lub [12.9K]

Answer:

<h2>d(n) = { - 7}^{n - 1}</h2>

Step-by-step explanation:

Since the sequence above is a geometric sequence

For an nth term in a geometric sequence

<h3>d(n) = a ({r})^{n - 1}</h3>

where

a is the first term

r is the common ratio

n is the nth term

To find the common ratio divide the previous term by the next term

That's

<h3>r =  \frac{ - 7}{ - 1}  = 7 \:  \:  \:  \: or \\ r =  \frac{ - 49}{ - 7}  = 7 \:  \:  \:  or \\ r =   \frac{ - 343}{ - 49}   = 7</h3>

So the common ratio / r = 7

the first term is - 1

Substitute the values into the above formula

<h3>d(n) =  - 1( {7})^{n - 1}  \\</h3>

We have the final answer as

<h3>d(n) = { - 7}^{n - 1}</h3>

Hope this helps you

3 0
4 years ago
Its complete solution <br>and answer is 45​
lora16 [44]

Answer:

8

Step-by-step explanation:

6 0
3 years ago
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