Answer:
5
Step-by-step explanation:
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Answer:
B
Step-by-step explanation:
2X4y = 8y
2X 1 = 2
8Y - 2 = 6
+2. +2
8Y = 8
8Y ÷ 8
Y = 1
Answer:
3
Step-by-step explanation:
Answer: D
Step-by-step explanation:
Formula: A = 2(wl+hl+hw)
A = 2(5*3 + 7*3 + 7*5)
A = 2(15 + 21 + 35)
A = 2(71) = 142 sq inches
F(x) = 4 [cos (x)]^2 - 3 = 0
4[cos(x)]^2 = 3
cos(x) = √3 / 2
That happens in the first and fourth quadrants, for the angles 30 degrees and 330 degrees.
Answer: x = 30 degrees and x = 330 degrees