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anygoal [31]
3 years ago
14

How many sides do 2 heptagons, 5 quadrilaterals, and 4 pentagons have in all?

Mathematics
1 answer:
Kipish [7]3 years ago
5 0

Answer:

54sides

Step-by-step explanation:

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Anyone help meee ?? Plsss
zvonat [6]

Answer:

<h2>5x - 4</h2>

Step-by-step explanation:

= 8x - 4 - 3x =  8x - 3x - 4

= 5x - 4

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Step-by-step explanation:

lol

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Read 2 more answers
The measure of a central angle is 3x + 18 and the measure of its arc is 147 which equation can you use to find the value of x
steposvetlana [31]

3x + 18 = 147

3x = 129

x = 43

7 0
3 years ago
Anyone know how to do this
Artist 52 [7]

Answer:

Look in explanation

Step-by-step explanation:

I will assume that you're trying to solve for "x".

For number 1: 49+(5x+1) is a supplementary angle(180 degrees) so you can subtract 180-49 to get 131.

Now, 131 = 5x+1

        -1            -1

         130 = 5x

         /5      /5

Now, we isolate the x to get x=26.

Number 2: There is a supplementary angle as well so we can put 5x+12+6x+3=180.

Now, combine the like terms to get 11x+15=180 so we now isolate x.

                                                              -15   -15

                                                            11x=165

                                                            /11    /11

                                                               x=15

Now, try the rest and set the terms to 180.

5x+1+8+4x=180

2x+1+x-10=180

6+x+5x=180

x+2+153=180(This is similar to #1)

CHECK YOU ANSWERS BELOW AFTER YOU HAVE ATTEMPED THE REST OF THE PROBLEMS.

3. x=19

4. x=63

5. x=29

6. x=25

3 0
3 years ago
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