PLEASE HELP!! ILL MARK BRAINLIEST!
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2 answers:
Answer:
D. 12 cm
Step-by-step explanation:
Because the sum of two sides of a triangle must always be greater than the 3rd side, 12 cannot be the third side because 5+7=12.
Answer:
D 12
Step-by-step explanation:
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Answer:
x = 3
Step-by-step explanation:
- 4 = x - 7
- 4 + 7 = x
x = 3
Answer: -62.5 %
Step-by-step explanation:
6.7-2.3= 4.4 is the answer to the problem
C
expand factors, sum like terms and divide by 2
(x + 2)² + (x - 2)² = x² + 4x + 4 + x² - 4x + 4 = 2x² + 8
(2x² + 8 ) = x² + 4 → C
