2 answers:
Answer:
Step-by-step explanation:
<u>Given is a GP with:</u>
- Common ratio r = 2
- First term a = 4*2¹⁻¹ = 4*1 = 4
<u>We need to find the sum of the first 10 terms:</u>
- Sₙ = a(rⁿ - 1)/(r - 1)
- S₁₀ = 4*(2¹⁰ - 1)/(2 - 1) = 4*(1024 - 1)/1 = 4(1023) = 4092
Answer:
4092
Step-by-step explanation:
r = 2
a1 = 4×(2)^(1 - 1) = 4
S10 = a1×((1 - r^10)/(1 - r)
= 4×((1 - 2^10)/(1 - 2))
= 4×((1 - 2^10)/-1)
= 4×(-(1 - 2^10))
= -4×(1 - 2^10)
= -4 + 4 × 2^10
= -4 + 2^2 × 2^10
= -4 + 2^12
= -4 + 4096
= 4092
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Answer:
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Step-by-step explanation:
(When solving for a variable, always do the opposite of PEMDAS)
-5 + 4 = 3x - 9
-1 = 3x - 9
8 = 3x
8/3 = x
Refer to the diagram shown below.
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By definition,
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Answer: 2,712.2 ft
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Answer:
10x+4b+3
Step-by-step explanation:
x+x+x+x+x+x+x+x+x+x+b+b+b+b+3
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4 b
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