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navik [9.2K]
4 years ago
7

What is the value of (12-8)^2+21-4

Mathematics
2 answers:
AnnZ [28]4 years ago
8 0

Answer: I'm just gonna help you out a little,the answer is use the online website. It also will show step by step. GOOD LUCK!

Step-by-step explanation:

kompoz [17]4 years ago
5 0

Answer:

33

Step-by-step explanation:

First, simplify.

(4)² + 17

16 + 17 = 33

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Problem 10

You are correct. You divide 360 over the exterior angle measure to get 360/72 = 5

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Problem 11

x = 33 is correct as this angle is an alternate interior angle pair with the 33 degree angle up top

y = 38 is correct since y+33+109 = 180 solves to y = 38. In other words: 38+33+109 = 180

z = 109 is correct. The opposite angles of a parallelogram are congruent

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