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Bezzdna [24]
3 years ago
5

A regular polygon has 15 sides. Which is a possible angle of rotational symmetry for the figure? 12° 45° 72° 90°

Mathematics
1 answer:
Agata [3.3K]3 years ago
7 0

Answer:

12 degrees is the correct answer.

Step-by-step explanation:

please award brainliest I'm trying to move up in rank

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In the equation 11 - 4(x +4) = 6x, the first step is to simplify 11 - 4.<br> True<br> False
BaLLatris [955]

Answer:

False

Step-by-step explanation:

You first need to distribute the -4 to (x+4).

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2 years ago
Two brothers, Paul and Julio, left the schoolyard and decided to have a very long footrace. Julio started running at exactly 4:0
alina1380 [7]

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Step-by-step explanation:

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2 years ago
Find the distance round to the nearest tenth (-8, -6) (-3,-2)​
lina2011 [118]

Answer:

\displaystyle d \approx 6.4

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

<u>Algebra I</u>

  • Coordinates (x, y)

<u>Algebra II</u>

  • Distance Formula: \displaystyle d = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

Step-by-step explanation:

<u>Step 1: Define</u>

Point (-8, -6)

Point (-3, -2)

<u>Step 2: Find distance </u><em><u>d</u></em>

Simply plug in the 2 coordinates into the distance formula to find distance <em>d</em>

  1. Substitute in points [Distance Formula]:                                                   \displaystyle d = \sqrt{(-3+8)^2+(-2+6)^2}
  2. [√Radical] (Parenthesis) Add:                                                                        \displaystyle d = \sqrt{(5)^2+(4)^2}
  3. [√Radical] Evaluate exponents:                                                                    \displaystyle d = \sqrt{25+16}
  4. [√Radical] Add:                                                                                              \displaystyle d = \sqrt{41}
  5. [√Radical] Evaluate:                                                                                        \displaystyle d = 6.40312
  6. Round:                                                                                                            \displaystyle d \approx 6.4
7 0
3 years ago
Read 2 more answers
-5x+7y=-34<br> -5x+3y=-6
lisov135 [29]

Answer:

<h2>         x = -3,  y = -7</h2>

Step-by-step explanation:

-5x + 7y = -34     ⇒  -5x = -34  - 7y

    -5x + 3y = -6

-34  - 7y + 3y = -6

-34 - 4y = -6          {add 34 to both sides}

  -4y = 28             {divide both sides by (-4)}

     y = - 7

-5x + 3y = -6

-5x + 3(-7) = -6

-5x - 21 = -6        {add 21 to both sides}

-5x = 15            {divide both sides by (-5)}

  x = -3

7 0
2 years ago
Billy’s gave his dad 1/2 of his cookie. How much did billy have left to eat
Ugo [173]

Answer:

literally just 1/2 of the cookie left

4 0
3 years ago
Read 2 more answers
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