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neelydeY23
25.06.2019 •
Mathematics
Find the first four terms of the recursive sequence defined by the following formula: an = an-14 where a4 = 2 14 , , , 2 14
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Ответ:
144, 36, 9, 2![\frac{1}{4}](/tpl/images/0016/2700/0d86b.png)
Step-by-step explanation:
The recursive formula allows us to find a term in a sequence from the previous term.
Given
Given the fourth term we require to work back to the third term , second and so on. Rearrange the formula to give
Multiply both sides by 4, then
Given a₄ = 2
, then
a₃ = 4 × a₄ = 4 × 2
= 9
a₂ = 4 × a₃ = 4 × 9 = 36
a₁ = 4 × a₂ = 4 × 36 = 144
Ответ:
15 cubes
Step-by-step explanation:
V=lwh
V=1.5*1*2.5
V=3.75 cu ft
Volume of the rectangular prism: 3.75 cu ft
V=s^2
V=(1/2)^2
V=1/4 cu ft
Volume of the cubes: 1/4 cu ft
3.75/(1/4)=15
15 cubes can fit inside the rectangular prism.