Step-by-step explanation:
Substitute in the known values of
r = 9 and θ =150 into the formulas. (9) cos (150)
y = (9) sin (150)
x = 9 (− cos (30) ) y = (9) sin (150)
The exact value of cos. (30) is <u>√3</u><u> </u>
2
x = 9 ( − <u>√3</u><u>)</u>
2
y = (9) sin (150)
blah blah blah
(9, 150) <em>is</em><em> </em>
<em></em>
So 9 more than 3 times a number, would be:
9+(3x)=-6
then you would solve
subtract 9 from 9 and 9 from -6
you get 3x=-15
divide by 3 on both sides
x=-5
your welcome!!!! :)
- 8x + 44 ≥ 60
- 8x ≥ 60 - 44
- 8x ≥ 16
x ≤ - 2
- 4x + 50 < 58
- 4x < 58 - 50
- 4x < 8
x > - 2
Now put the two together. Logically, these two answers since a number cannot be both less than AND greater than - 2.
Your answer should be no solution.
Answer:
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Step-by-step explanation: