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aliina [53]
3 years ago
9

Find the measure of a regular 45 agon

Mathematics
2 answers:
Alla [95]3 years ago
8 0
172 degrees


explanatory: yes the person correct
lilavasa [31]3 years ago
6 0

Answer:

172 degrees

Step-by-step explanation:

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What is the value of 7x squared + 2x when x = 3
jolli1 [7]

So we know this expression:

7x^2 + 2x.

And we know x = 3.

(7*3)^2 + (2*3)

21^2 + 6.

441 + 6

447

7 0
3 years ago
Draw a number line and show all numbers that are 2/3 of a unit to the left of 1/2
zubka84 [21]

Answer:

See below.

Step-by-step explanation:

Draw a number line and draw points corresponding to -1, 0, and 1.

Mark 6 equal divisions between -1 and 0. Mark 6 equal divisions between 0 and 1.

Now you have the units between 1 and 0 and between 0 and -1 divided into sixths.

Now look at the point that corresponds to 1/2. It is the middle one-sixth mark between 0 and 1. Start there. That is 3/6 which is the same as 1/2.

You need to go 2/3 of a units to the left of 1/2.

2/3 = 4/6, so starting at 1/2, go 4 one-sixth marks to the left.

Now you are 2/3 unit to the left of 1/2.

See the number line below.

                -1                              0                              1

<----+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+------>

Start with a mark on 1/2, S in bold below.

                -1                              0             1/2             1

<----+---+---+---+---+---+---+---+---+---+---+---S---+---+---+---+---+------>

Now go 2/3 unit to left. 2/3 = 4/6, so go 4 one-sixth divisions to the left.

The point labeled with a bold E is the result. It is -1/6

                -1                      -1/6   0             1/2             1

<----+---+---+---+---+---+---+---E---+---+---+---S---+---+---+---+---+------>

8 0
3 years ago
What is the area of the base of a cylinder with a volume of 174π in.3 and a height of 12 inches?
nataly862011 [7]

Answer:

The area of the base is 14.5π in²

Step-by-step explanation:

The volume of a cylinder is given by

Volume =base\:area \times height

Or

V=Bh

It was given that the volume of the cylinder is 174π in³.

The height was given as 12 inches.

We substitute to get,

174π=12B

Divide both sides by 12 to get:

B=14.5π in²

Hence the area of the base is 14.5π in²

  • Hope this helps
  • Brainliest plz
  • and have a wonderful day
8 0
3 years ago
Read 2 more answers
Sami leave his house at 3:45 PM and walks to karlas house in 15 minutes he stays at karlas house for five minutes and then walks
chubhunter [2.5K]
Sami arrives at the library at 4:15. Why? Well is says she took 15 minutes to walk to karlas house so when she arrives it’s 4:00 PM. Than, she stays at karlas house for 5 minutes which puts her at 4:05 PM. After that is Sami took 10 minutes to get to the library so that puts Sami at 4:15 PM. Hope this helps!
6 0
3 years ago
A tree is 14 meters tall. What is its height in feet? Use the following conversion: 1 meter is 3.3 feet
pochemuha
The answer is 46.2ft tall
8 0
2 years ago
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