Answer:
a = 24
r = 1/2
<h3>8th term = ar^(n-1)</h3><h3> = 24. (1/2)^-1/2</h3>
Answer:
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Step-by-step explanation:
Let ,, and be scalars such that:
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The question states that . In other words:
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Make use of the fact that whereas .
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The question also states that the scalar multiple here is positive. Hence, .
Therefore:
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could also be expressed in terms of and :
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Equate the two expressions and solve for and :
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Hence:
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Not exactly sure but I think it's 74.2
Step-by-step explanation
b = 2h is given
2 b + h = 4 hours is given sub in the top equation
2 (2h) + h = 4
5h = 4
h = 4/5 hr or 48 minutes