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Monica [59]
2 years ago
5

Write exponential equation for geometric sequence where t(1)=140 and t(2)=98

Mathematics
1 answer:
ser-zykov [4K]2 years ago
4 0

Step-by-step explanation:

common ratio r = 98/140

first term a = 140

geometric sequence formula is an = ar^(n-1)

an = 98^(n-1)

where n is the number of terms in the sequence

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<span>The lesser of two consecutive even integers is 10 more than one-half the greater. Find the integers.
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2nd: 2x+2
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EQUATION:
2x =(1/2)(2x+2)+10
2x = x + 11
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-------------
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2nd: 2x + 2 = 24
=================================== 

2) The greater of two consecutive even integers is 6 less than the times the lesser


</span><span>3) Find four consecutive integers such that twice the sum of the two greater integers exceeds three times the first by 91. 
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2nd: x+1
3rd: x+2
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Let side be n

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\\ \sf\longmapsto 120n=(n-2)180

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#2

\\ \sf\longmapsto 160n=(n-2)180

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