Answer:
A. 4x² - 2x + 11
Step-by-step explanation:
(4x² + 6) - (2x - 5) =
Drop the first set of parentheses since it is unnecessary.
= 4x² + 6 - (2x - 5)
To drop the second set of parentheses, you must change every sign inside the parentheses.
= 4x² + 6 - 2x + 5
Now combine like terms.
= 4x² - 2x + 11
Answer:
2, 6, 8, 11
Step-by-step explanation:
A number multiplied by itself gives a perfect square.
4 = 2²
36 = 6²
64 = 8²
121 = 11²
Answer:
Step-by-step explanation:
50(1+132/100)
50(232/100)
116cm
Total units of ratio = 2+4+4 = 10
value of 1 unit = 180/10 = 18
angles would be: 2(18), 4(18), 4(18) = 36, 72 & 72
Answer:
Step-by-step explanation:
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