Answer:
6p
Step-by-step explanation:
20 and 50
x + y = 70
y = 2x + 10
Use the substitution method:
y = 70 - x
70 - x = 2x + 10
3x = 60
x = 20
20 + y = 70
y = 50
<u>x = 20</u>
<u>y = 50</u>
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Theta=1.57rad, 4.71rad, 0rad, 2π rad, π rad and –π rad
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