1. T =34
2.143 =exterior A
The sum of the angles in a triangle is 180 degrees
T + 107+39 = 180
Combine like terms
T +146 = 180
Subtract 146 from each side
T +146-146 = 180-146
The exterior angle is the sum of the opposite interior angles in a triangle.
B+T =exterior A
66 +77 = exterior A
143 =exterior A
336 Hours = 1,209,600 Seconds = 1209600 Seconds
This conversion of 336 hours to seconds has been calculated by multiplying 336 hours by 3,600 and the result is 1,209,600 seconds.
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1. Geometric sequence
Since the number of letters sent is multiplied by 4 for any subsequent term, the sequence is an example of a geometric sequence as it grows exponentially.
Given a geometric sequence, the nth term is determined using the formula:
In this case,
a=1 (i.e. Nchathamtownfc.neth)
Since we want to determine how many letters will be sent on the sixth mailing(i.e after Nchathamtownfc.neth), n=7
To determine how many people would have participated by the sixth mailing, we are required to find the sum of the first seven terms of the geometric sequence.
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We use the sum of a geometric sequence formula
Therefore, excluding Nchathamtownfc.neth, 5460 people would have participated by the sixth mailing.
1 year ago
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