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Quadrilateral DEFG is a rectangle. If DF = 2(x+5)-7 and EG = 3(x-2), find EG
1 answer:
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Answer:
The 3rd term is
Step-by-step explanation:
From the given information, the first term of the sequence is
The common ratio of the sequence is
The explicit formula for a geometric sequence is :
To find the third term, we put n=3 to get:
This simplifies to:
Answer:
Step-by-step explanation:
well, by using definition of tan of an angle
let the distance between Earth and shooting star is .
since ,
then