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srtero
09.04.2020 •
Mathematics
Continue the pattern.
69, 74, 78, 83, 87,92
Solved
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Ответ:
74-69 =5
78-74 =4
The numbers increase by 5 then by 4 92-87 = 5 so the next number would be increased by 4
92+ 4 = 96
The next number is 96
Ответ:
she would be having $64 on the sixth day
Step-by-step explanation:
Each day,she doubles the number of dollars she saved on the previous day. This amount of money that she saves each day is increasing in a geometric progression. The formula for the nth term of a geometric progression is
Tn = ar^(n - 1)
Where
a is the first term of the sequence
r is the common ratio
n is the number of terms
To determine how much she saves on the sixth day,
n = 6
a = 2
r = 2
T6 = 2×2^(6 - 1)
T6 = 2 × 2^5
T6 = 64