Answer:
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Answer:
Step-by-step explanation:
common difference d=3-1=2
first term a=1
an=a+(n-1)d
2n-1=1+(l-1)2
2n-1=1+2l-2
2n-1=2l-1
l=n
(i used l for number of terms)
number of terms=n
Y+8=3y
-2y=-8
y=4
104*2=208
360-208=152
152/2=76
x=76°
Answer:
-3x^2 - 5y^2 = 36
Step-by-step explanation:
x^2+y^2=r^2