Answer: 18
Step-by-step explanation:
0.25 or 1/4 can be answered correctly
there's 72 questions
0.25*72=18
Answer:
(3, 1), (9, -1), (7, -4), and (1, -2)
(-1, 3), (5, 1), (3, –2), (–3, 0)
+4 +4 +4 +4
(3, 3), (9, 1), (7, -2), (1, 0)
-2 -2 -2 -2
(3, -1), (9, -1), (7, -4), (1, -2)
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2x²√13
√52x⁴ = √4×13×x⁴ = 2x²√13
X=5
move variable to the left side and change its sign.
move constant to the right side and change its sign
collect like terms x=4+1, add the numbers x=5
