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Julli [10]
3 years ago
11

Write an expression to describe each sequence.Then find the 10th term. -18,-36,-54,-72...

Mathematics
1 answer:
Eduardwww [97]3 years ago
7 0
The patter seems to be +18 therefore...
the 10th term is 180
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What are the coordinates of the terminal point determined by t= 10 pie/3
Vanyuwa [196]

Answer:

we know that

10*pi/3------> convert to degrees------> 10*180/3=600 degrees

600=360+240

240 degrees belong to the III quadrant

so

the x-coordinate is negative

the y-coordinate is negative

240°=180°+60°

60 degrees is the angle to find the terminal point

let

∅=60°

in the unit circle

r=1 units

x=-r*cos ∅----> x=-cos 60------> x=-(1/2)

y=-r*sin ∅----> y=-sin 60------> y=-(√3)/2

the point is

-1/2,-√3/2

the answer is the option A

Step-by-step explanation:

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5 0
3 years ago
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