3 years ago

Proofs how do you solve them

1 answer:

3 0

Proofs are... well... just that. They are your proof for why a certain property works or what you did to show your work. So essentially, you just do math like normal, a proof is showing what you did and why it works.

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just as a piece of wood that is 8 foot long he needs to cut pieces that are seven eighths of a foot long how many pieces will he

BlackZzzverrR [31]

He would make 7 peices

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3 years ago

What is the measure of each angle of a regular pentagon? If necessary, round to the nearest tenth.

adelina 88 [10]

Answer: Find the measures of an exterior angle and an interior angle given the number of sides of each regular polygon. Round to the nearest tenth, if necessary. 24 b 15, 345 24, 156 7.5, 172.5 15, 165

Step-by-step explanation: sum, S, of the measure of the interior angles of a polygon with n sides is: ... The sum of the interior angles of a 24 -gon is 3960. ... angles of a polygon is (n−2)⋅180 , where n is the number of sides. ... Each exterior angle measures 36024=15 . ... The sum of the 24 interior angles is then 24⋅165=3960 .

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3 years ago

5x+4=-41 <br> answer? <br> explain!!

Ipatiy [6.2K]

Answer:

x = -9

Step-by-step explanation:

5x + 4 = -41 Your goal is to get x alone on on side

- 4 - 4 Subtract 4 from both sides to get 5x alone

5x = -45 Now you need to divide to get what x equals

$\frac{5x}{5} = \frac{-45}{5}$ Divide by 5 to get x